Cystitis medical therapy: Difference between revisions

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__NOTOC__
__NOTOC__
{{Cystitis}}
{{Cystitis}}
{{CMG}} {{AE}} {{YD}}
{{CMG}} {{AE}} {{YD}}, {{USAMA}}
==Overview==
==Overview==
A major proportion of the urinary tract infections resolves on its own if left untreated. Complications can occur but not very frequently. Cystitis can though increase morbidity and the goal of therapy is early resolution of infectious symptoms. Antimicrobial therapy is indicated in cystitis. The treatment of cystitis depends on the disease course (acute uncomplicated vs. complicated) and the rates of resistance in the community. Due to the risk of the infection spreading to the kidneys (complicated [[Urinary tract infection|UTI]]) and the high complication rate in diabetics and the elderly population, prompt treatment is almost always recommended.<ref name="pmid21292654">{{cite journal| author=Gupta K, Hooton TM, Naber KG, Wullt B, Colgan R, Miller LG et al.| title=International clinical practice guidelines for the treatment of acute uncomplicated cystitis and pyelonephritis in women: A 2010 update by the Infectious Diseases Society of America and the European Society for Microbiology and Infectious Diseases. | journal=Clin Infect Dis | year= 2011 | volume= 52 | issue= 5 | pages= e103-20 | pmid=21292654 | doi=10.1093/cid/ciq257 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21292654  }} </ref> The increasing resistance to various drugs is a growing challenge. One aspect of increasing drug resistance is the gram negative bacteria population that produces extended spectrum beta lactamase. <ref name="pmid21706226">{{cite journal| author=Meier S, Weber R, Zbinden R, Ruef C, Hasse B| title=Extended-spectrum β-lactamase-producing Gram-negative pathogens in community-acquired urinary tract infections: an increasing challenge for antimicrobial therapy. | journal=Infection | year= 2011 | volume= 39 | issue= 4 | pages= 333-40 | pmid=21706226 | doi=10.1007/s15010-011-0132-6 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21706226 }} </ref>Hyperbaric Oxygen is used to treat hemorrhagic cystitis associated with exposure to radiation and emphysematous cystitis, as presence of gas in the bladder wall interferes with the tissue oxygenation and proper oxygenation may help to curtail the associated damage.<ref name="pmid27906922">{{cite journal| author=Chong V, Rice M| title=The effectiveness of hyperbaric oxygen therapy (HBOT) in radiation-induced haemorrhagic cystitis. | journal=N Z Med J | year= 2016 | volume= 129 | issue= 1446 | pages= 79-83 | pmid=27906922 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=27906922  }} </ref><ref name="pmid26331400">{{cite journal| author=Garde H, Useros E, Hernando A, Chávez C, Paños E, Quijano P et al.| title=[Emphysematous cystitis: Report of 2 cases with different outcomes]. | journal=Arch Esp Urol | year= 2015 | volume= 68 | issue= 7 | pages= 627-32 | pmid=26331400 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=26331400  }} </ref>
A major proportion of the [[urinary tract infections]] resolves on its own if left untreated. Complications can occur but not very frequently. Cystitis can though increase morbidity and the goal of therapy is early resolution of infectious symptoms. [[Antimicrobials|Antimicrobial therapy]] is indicated in cystitis. The treatment of cystitis depends on the disease course (acute uncomplicated vs complicated) and the rates of resistance in the community. Due to the risk of the infection spreading to the [[Kidney|kidneys]] (complicated [[Urinary tract infection|UTI]]) and the high complication rate in [[diabetics]] and the elderly population, prompt treatment is almost always recommended<ref name="pmid21292654">{{cite journal| author=Gupta K, Hooton TM, Naber KG, Wullt B, Colgan R, Miller LG | display-authors=etal| title=International clinical practice guidelines for the treatment of acute uncomplicated cystitis and pyelonephritis in women: A 2010 update by the Infectious Diseases Society of America and the European Society for Microbiology and Infectious Diseases. | journal=Clin Infect Dis | year= 2011 | volume= 52 | issue= 5 | pages= e103-20 | pmid=21292654 | doi=10.1093/cid/ciq257 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21292654  }} </ref><ref name="pmid12020306">{{cite journal| author=Bent S, Nallamothu BK, Simel DL, Fihn SD, Saint S| title=Does this woman have an acute uncomplicated urinary tract infection? | journal=JAMA | year= 2002 | volume= 287 | issue= 20 | pages= 2701-10 | pmid=12020306 | doi=10.1001/jama.287.20.2701 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12020306 }} [https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=&cmd=prlinks&id=12402822 Review in: Evid Based Nurs. 2002 Oct;5(4):119] </ref>.
 
The increasing resistance to various drugs is a growing challenge. One aspect of increasing drug resistance is the [[Gram-negative bacteria|gram negative bacteria]] population that produces extended spectrum beta lactamase. [[Hyperbaric oxygen]] is used to treat hemorrhagic cystitis associated with exposure to [[Radiation therapy|radiation]] and emphysematous cystitis, as presence of gas in the [[Urinary bladder|bladder]] wall interferes with the tissue [[oxygenation]]. Proper [[oxygenation]] may help to curtail the associated damage.


==Principles of Medical Therapy==
==Principles of Medical Therapy==
*The choice of therapy depends on whether the patient has uncomplicated vs. complicated cystitis, known patient allergies, and regional resistance patterns.
*The choice of therapy depends on whether the patient has uncomplicated vs complicated cystitis, known patient allergies, and regional resistance patterns.<ref name="pmid21292654">{{cite journal| author=Gupta K, Hooton TM, Naber KG, Wullt B, Colgan R, Miller LG et al.| title=International clinical practice guidelines for the treatment of acute uncomplicated cystitis and pyelonephritis in women: A 2010 update by the Infectious Diseases Society of America and the European Society for Microbiology and Infectious Diseases. | journal=Clin Infect Dis | year= 2011 | volume= 52 | issue= 5 | pages= e103-20 | pmid=21292654 | doi=10.1093/cid/ciq257 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21292654  }} </ref><ref name="pmid21706226">{{cite journal| author=Meier S, Weber R, Zbinden R, Ruef C, Hasse B| title=Extended-spectrum β-lactamase-producing Gram-negative pathogens in community-acquired urinary tract infections: an increasing challenge for antimicrobial therapy. | journal=Infection | year= 2011 | volume= 39 | issue= 4 | pages= 333-40 | pmid=21706226 | doi=10.1007/s15010-011-0132-6 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21706226  }} </ref>
*Cystitis among men is always considered complicated cystitis and should be managed accordingly.
*Cystitis among men is always considered complicated cystitis and should be managed accordingly.<ref name="pmid27906922">{{cite journal| author=Chong V, Rice M| title=The effectiveness of hyperbaric oxygen therapy (HBOT) in radiation-induced haemorrhagic cystitis. | journal=N Z Med J | year= 2016 | volume= 129 | issue= 1446 | pages= 79-83 | pmid=27906922 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=27906922  }} </ref><ref name="pmid26331400">{{cite journal| author=Garde H, Useros E, Hernando A, Chávez C, Paños E, Quijano P et al.| title=[Emphysematous cystitis: Report of 2 cases with different outcomes]. | journal=Arch Esp Urol | year= 2015 | volume= 68 | issue= 7 | pages= 627-32 | pmid=26331400 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=26331400  }} </ref>
*Symptomatic women with NO history of urinary tract infection or a lab-confirmed infection are recommended to undergo testing for urinary tract infection by urinalysis or dipstick testing for the detection of pyuria.<ref name="pmid18159518">{{cite journal| title=ACOG Practice Bulletin Clinical Management Guidelines For Obstetrician-Gynecologists Number 91 |  year= 2008| url=http://www.lowmg.com/info/urology/urinary_tract_infection.pdf  }} </ref>
*Symptomatic women with no history of [[urinary tract infection]] or a lab-confirmed [[infection]] are recommended to undergo testing for [[urinary tract infection]] by [[Urine|urinalysis]] or dipstick testing for the detection of [[pyuria]].<ref name="pmid18159518">{{cite journal| title=ACOG Practice Bulletin Clinical Management Guidelines For Obstetrician-Gynecologists Number 91 |  year= 2008| url=http://www.lowmg.com/info/urology/urinary_tract_infection.pdf  }} </ref>
*Symptomatic women who have had frequent recurrences in the past and prior confirmation of urinary tract infections may be treated empirically.<ref name="pmid18159518">{{cite journal| title=ACOG Practice Bulletin Clinical Management Guidelines For Obstetrician-Gynecologists Number 91 | year= 2008| url=http://www.lowmg.com/info/urology/urinary_tract_infection.pdf  }} </ref>
*Symptomatic women who have had frequent recurrences in the past and prior confirmation of [[urinary tract infections]] may be treated empirically.<ref name="pmid18159518">{{cite journal| title=ACOG Practice Bulletin Clinical Management Guidelines For Obstetrician-Gynecologists Number 91 | year= 2008| url=http://www.lowmg.com/info/urology/urinary_tract_infection.pdf  }} </ref>
*For women with first-time cystitis, a urine culture is not required prior to administration of empiric therapy.
*For women with first-time cystitis, a [[urine culture]] is not required prior to administration of [[empiric therapy]].
*Discontinuation of the drug causing cystitis is the first approach for cystitis caused by a drug. Similarly in case of a foreign body like a stone or catheter, that lead to cystitis, removal is necessary. The associated conditions like BPH etc have to be treated to make sure that the patient does not have to face recurrence of Urinary Tract Infection.
*Discontinuation of the drug causing cystitis is the first approach for cystitis caused by a drug. Similarly in case of a foreign body like a stone or catheter that lead to cystitis, removal is necessary. The associated conditions like [[BPH]], have to be treated to make sure that the patient does not have to face recurrence of [[urinary tract infection]].


===Acute Uncomplicated Cystitis===
===Acute Uncomplicated Cystitis===


Patients with acute uncomplicated cystitis may be treated using a single antimicrobial therapy using either a single dose or a 3-day regimen. Nitrofurantoin is preferred over [[Fluoroquinolones]] in treating uncomplicated cystitis due to the increasing resistance to [[Fluoroquinolones]]. The following list of antimicrobial agents may be administered:<ref name="pmid21292654">{{cite journal| author=Gupta K, Hooton TM, Naber KG, Wullt B, Colgan R, Miller LG et al.| title=International clinical practice guidelines for the treatment of acute uncomplicated cystitis and pyelonephritis in women: A 2010 update by the Infectious Diseases Society of America and the European Society for Microbiology and Infectious Diseases. | journal=Clin Infect Dis | year= 2011 | volume= 52 | issue= 5 | pages= e103-20 | pmid=21292654 | doi=10.1093/cid/ciq257 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21292654  }} </ref><ref name="pmid12236276">{{cite journal| author=Christiaens TC, De Meyere M, Verschraegen G, Peersman W, Heytens S, De Maeseneer JM| title=Randomised controlled trial of nitrofurantoin versus placebo in the treatment of uncomplicated urinary tract infection in adult women. | journal=Br J Gen Pract | year= 2002 | volume= 52 | issue= 482 | pages= 729-34 | pmid=12236276 | doi= | pmc=1314413 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12236276  }} </ref>
Patients with acute uncomplicated cystitis may be treated using a single [[antimicrobial]] therapy using either a single dose or a 3-day regimen. [[Nitrofurantoin]] is preferred over [[Fluoroquinolones]] in treating uncomplicated cystitis due to the increasing resistance to [[fluoroquinolones]]. The following list of antimicrobial agents may be administered:<ref name="pmid21292654">{{cite journal| author=Gupta K, Hooton TM, Naber KG, Wullt B, Colgan R, Miller LG et al.| title=International clinical practice guidelines for the treatment of acute uncomplicated cystitis and pyelonephritis in women: A 2010 update by the Infectious Diseases Society of America and the European Society for Microbiology and Infectious Diseases. | journal=Clin Infect Dis | year= 2011 | volume= 52 | issue= 5 | pages= e103-20 | pmid=21292654 | doi=10.1093/cid/ciq257 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21292654  }} </ref><ref name="pmid12236276">{{cite journal| author=Christiaens TC, De Meyere M, Verschraegen G, Peersman W, Heytens S, De Maeseneer JM| title=Randomised controlled trial of nitrofurantoin versus placebo in the treatment of uncomplicated urinary tract infection in adult women. | journal=Br J Gen Pract | year= 2002 | volume= 52 | issue= 482 | pages= 729-34 | pmid=12236276 | doi= | pmc=1314413 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12236276  }} </ref>


*'''Empiric Therapy''':
*'''Empiric Therapy''':
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:*Preferred regimen (3): [[Trimethoprim-Sulfamethoxazole]] 160/800 mg PO double-strength tablet bid for 3 days
:*Preferred regimen (3): [[Trimethoprim-Sulfamethoxazole]] 160/800 mg PO double-strength tablet bid for 3 days
:*Preferred regimen (4): [[Trimethoprim]] 100 mg PO bid for 3 days
:*Preferred regimen (4): [[Trimethoprim]] 100 mg PO bid for 3 days
:*Preferred regimen (5): [[Pivmecillinam]]  400 mg bid for 5 days
:*Alternative regimen (1): [[Ciprofloxacin]] 250 mg PO bid for 3 days
:*Alternative regimen (1): [[Ciprofloxacin]] 250 mg PO bid for 3 days
:*Alternative regimen (2): [[Levofloxacin]] 250 mg PO qd for 3 days
:*Alternative regimen (2): [[Levofloxacin]] 250 mg PO qd for 3 days
:*Alternative regimen (3): [[Norfloxacin]] 400 mg PO bid for 3 days
:*Alternative regimen (3): [[Ofloxacin]]  200–400 mg po bid
:*Alternative regimen (4): [[Gatifloxacin]] 200 mg PO qd for 3 days
:*Alternative regimen (4): [[Norfloxacin]] 400 mg PO bid for 3 days
:*Alternative regimen (5): [[Gatifloxacin]] 200 mg PO qd for 3 days
:*Alternative regimen (6): [[Amoxicillin-clavulanate]]  500/125 mg po tid or 875/125 mg po bid
:*Alternative regimen (7): [[Cefdinir]]  300 mg po q12h or 600 mg po q24 {{or}} [[Cefaclor]]  250-500 mg po q8h {{or}} [[Cefpodoxime-proxetil]]  100-200 mg po q12h
:*Note (1): Avoid [[Nitrofurantoin]] and [[Fosfomycin]] if pyelonephritis is suspected
:*Note (1): Avoid [[Nitrofurantoin]] and [[Fosfomycin]] if pyelonephritis is suspected
:*Note (2): Avoid [[Trimethoprim]]-based regimens if resistance regional prevalence exceeds 20% or if patient had a prior UTI within the past 3 months
:*Note (2): Avoid [[Trimethoprim]]-based regimens if resistance regional prevalence exceeds 20% or if patient had a prior UTI within the past 3 months
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:*Presence of symptoms for more than 7 days
:*Presence of symptoms for more than 7 days
:*Metabolic diseases like [[diabetes mellitus]]
:*Metabolic diseases like [[diabetes mellitus]]
:*Hospital Acquired Cystitis
:*Hospital acquired cystitis
:*Children with genitourinary abnormalities
:*Children with genitourinary abnormalities
:*Patients suspected to be at high risk of developing complications or treatment failure, including:
:*Patients suspected to be at high risk of developing complications or treatment failure, including:
::*Patients with ureteric stents
::*Patients with ureteric stents
::*Patients with urinary stone
::*Patients with [[urinary stone]]
::*Patients with neurogenic bladder
::*Patients with [[neurogenic bladder]]
::*Immunocompromised patients
::*Immunocompromised patients
::*Renal failure patients
::*[[Renal failure]] patients
::*Renal transplant patients
::*[[Renal transplantation|Renal transplant]] patients
 
*'''Empiric Therapy''':
:*Preferred regimen (1): [[Ofloxacin]]  200–400 mg po bid.
:*Preferred regimen (2): [[Ciprofloxacin]]  250 mg bid po or Cipro XR 500 mg q24h
:*Preferred regimen (3): [[Levofloxacin]]  250–750 mg po q24.


*Special attention to the choice of antimicrobial therapy is required when administering antimicrobial agents to children and pregnant/lactating women. In pregnancy, [[Nitrofurantoin]], [[Sulfonamide]], [[Trimethoprim]], and fluoroquinolones should be avoided.<ref>{{Cite journal  | last1 = Ben David | first1 = S. | last2 = Einarson | first2 = T. |last3 = Ben David | first3 = Y. | last4 = Nulman | first4 = I. | last5 = Pastuszak | first5 = A. | last6 = Koren | first6 = G. | title = The safety of nitrofurantoin during the first trimester of pregnancy: meta-analysis. | journal = Fundam Clin Pharmacol | volume = 9 | issue = 5 | pages = 503-7 |month =  | year = 1995 | doi =  | PMID = 8617414 }}</ref><ref>{{Cite journal  | last1 = Crider | first1 = KS. | last2 = Cleves | first2 = MA. | last3 = Reefhuis | first3 = J. | last4 = Berry | first4 = RJ. | last5 = Hobbs | first5 = CA. | last6 = Hu | first6 = DJ. | title = Antibacterial medication use during pregnancy and risk of birth defects: National Birth Defects Prevention Study. | journal = Arch Pediatr Adolesc Med | volume = 163 | issue = 11 | pages = 978-85 | month = Nov | year = 2009 | doi = 10.1001/archpediatrics.2009.188 | PMID = 19884587 }}</ref><ref name="pmid19446980">{{cite journal| author=Ho PL, Yip KS, Chow KH, Lo JY, Que TL, Yuen KY| title=Antimicrobial resistance among uropathogens that cause acute uncomplicated cystitis in women in Hong Kong: a prospective multicenter study in 2006 to 2008. | journal=Diagn Microbiol Infect Dis | year= 2010 | volume= 66 | issue= 1 | pages= 87-93 | pmid=19446980 | doi=10.1016/j.diagmicrobio.2009.03.027 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=19446980  }} </ref>
*Special attention to the choice of antimicrobial therapy is required when administering antimicrobial agents to children and pregnant/lactating women. In pregnancy, [[Nitrofurantoin]], [[Sulfonamide]], [[Trimethoprim]], and fluoroquinolones should be avoided.<ref>{{Cite journal  | last1 = Ben David | first1 = S. | last2 = Einarson | first2 = T. |last3 = Ben David | first3 = Y. | last4 = Nulman | first4 = I. | last5 = Pastuszak | first5 = A. | last6 = Koren | first6 = G. | title = The safety of nitrofurantoin during the first trimester of pregnancy: meta-analysis. | journal = Fundam Clin Pharmacol | volume = 9 | issue = 5 | pages = 503-7 |month =  | year = 1995 | doi =  | PMID = 8617414 }}</ref><ref>{{Cite journal  | last1 = Crider | first1 = KS. | last2 = Cleves | first2 = MA. | last3 = Reefhuis | first3 = J. | last4 = Berry | first4 = RJ. | last5 = Hobbs | first5 = CA. | last6 = Hu | first6 = DJ. | title = Antibacterial medication use during pregnancy and risk of birth defects: National Birth Defects Prevention Study. | journal = Arch Pediatr Adolesc Med | volume = 163 | issue = 11 | pages = 978-85 | month = Nov | year = 2009 | doi = 10.1001/archpediatrics.2009.188 | PMID = 19884587 }}</ref><ref name="pmid19446980">{{cite journal| author=Ho PL, Yip KS, Chow KH, Lo JY, Que TL, Yuen KY| title=Antimicrobial resistance among uropathogens that cause acute uncomplicated cystitis in women in Hong Kong: a prospective multicenter study in 2006 to 2008. | journal=Diagn Microbiol Infect Dis | year= 2010 | volume= 66 | issue= 1 | pages= 87-93 | pmid=19446980 | doi=10.1016/j.diagmicrobio.2009.03.027 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=19446980  }} </ref>
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*The general consensus is to treat complicated cases of complicated cystitis for 7 days.
*The general consensus is to treat complicated cases of complicated cystitis for 7 days.
*Long-term therapy among high-risk patients is not established and is often tailored on an individual basis.
*Long-term therapy among high-risk patients is not established and is often tailored on an individual basis.
===Catheter Associated UTIs===
*Urinary infections in catheterized patients tend to be polymicrobial with more resistant uropathogens.
*'''[[Urine culture]]''':should be taken before initiation the [[antimicrobial]] therapy.<ref name="Nicolle-2001">{{Cite journal  | last1 = Nicolle | first1 = LE. | title = A practical guide to antimicrobial management of complicated urinary tract infection. | journal = Drugs Aging | volume = 18 | issue = 4 | pages = 243-54 | month =  | year = 2001 | doi =  | PMID = 11341472 }}</ref> For infected patients with indwelling catheters more than 2 weeks, the catheter should be replaced, and urine culture should be sampled from the new catheter to improve the out come of treatment with less complications.<ref name="Raz-2000">{{Cite journal  | last1 = Raz | first1 = R. | last2 = Schiller | first2 = D. | last3 = Nicolle | first3 = LE. | title = Chronic indwelling catheter replacement before antimicrobial therapy for symptomatic urinary tract infection. | journal = J Urol | volume = 164 | issue = 4 | pages = 1254-8 | month = Oct | year = 2000 | doi =  | PMID = 10992375 }}</ref>
:::* Regimen : [[TMP-SMX]] DS 1 tab bid x 3 days
'''Duration of treatment'''
*Depends on the response to treatment regardless of the catheter is still placed or not. For quick resolution, a 7 days regimen is recommended. While delayed clinical improvement needs extended regimen (10-14 days).<ref name="-1992">{{Cite journal  | title = The prevention and management of urinary tract infections among people with spinal cord injuries. National Institute on Disability and Rehabilitation Research Consensus Statement. January 27-29, 1992. | journal = J Am Paraplegia Soc | volume = 15 | issue = 3 | pages = 194-204 | month = Jul | year = 1992 | doi =  | PMID = 1500945 }}</ref>
*For mild catheter associated UTI, levofloxacin for 5 days is recommended. While 3 days regimen of antimicrobials is recommended for women≤65 with lower urinary symptoms only after catheter removal.<ref name="Mohler-1987">{{Cite journal  | last1 = Mohler | first1 = JL. | last2 = Cowen | first2 = DL. | last3 = Flanigan | first3 = RC. | title = Suppression and treatment of urinary tract infection in patients with an intermittently catheterized neurogenic bladder. | journal = J Urol | volume = 138 | issue = 2 | pages = 336-40 | month = Aug | year = 1987 | doi =  | PMID = 3496470 }}</ref>
===Relapses===
True relapses may be caused by uropathogenic Escherichia coli that is protected under a biofilm<ref name="pmid16961644">{{cite journal| author=Soto SM, Smithson A, Horcajada JP, Martinez JA, Mensa JP, Vila J| title=Implication of biofilm formation in the persistence of urinary tract infection caused by uropathogenic Escherichia coli. | journal=Clin Microbiol Infect | year= 2006 | volume= 12 | issue= 10 | pages= 1034-6 | pmid=16961644 | doi=10.1111/j.1469-0691.2006.01543.x | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=16961644  }} </ref><ref name="pmid20231390">{{cite journal| author=Blango MG, Mulvey MA| title=Persistence of uropathogenic Escherichia coli in the face of multiple antibiotics. | journal=Antimicrob Agents Chemother | year= 2010 | volume= 54 | issue= 5 | pages= 1855-63 | pmid=20231390 | doi=10.1128/AAC.00014-10 | pmc=2863638 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=20231390  }} </ref><ref name="pmid24667805">{{cite journal| author=Blango MG, Ott EM, Erman A, Veranic P, Mulvey MA| title=Forced resurgence and targeting of intracellular uropathogenic Escherichia coli reservoirs. | journal=PLoS One | year= 2014 | volume= 9 | issue= 3 | pages= e93327 | pmid=24667805 | doi=10.1371/journal.pone.0093327 | pmc=3965547 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=24667805  }} </ref>.


===Recurrent Cystitis===
===Recurrent Cystitis===
In case of a case of Recurrent Cystitis, urine cultures must be performed and long acting agent be used initially like a [[Fluroquinolone]].<ref name="pmid22417256">{{cite journal| author=Hooton TM| title=Clinical practice. Uncomplicated urinary tract infection. | journal=N Engl J Med | year= 2012 | volume= 366 | issue= 11 | pages= 1028-37 | pmid=22417256 | doi=10.1056/NEJMcp1104429 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=22417256  }} </ref>
In case of a case of recurrent cystitis, urine cultures must be performed and long acting agent be used initially like a [[Fluroquinolone]].<ref name="pmid22417256">{{cite journal| author=Hooton TM| title=Clinical practice. Uncomplicated urinary tract infection. | journal=N Engl J Med | year= 2012 | volume= 366 | issue= 11 | pages= 1028-37 | pmid=22417256 | doi=10.1056/NEJMcp1104429 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=22417256  }} </ref>
*Recurrent Cystitis may be attributed to the developing resistance to the old therapies. This can be related to the extended spectrum beta lactamase producting gram negative bacteria.<ref name="pmid21706226">{{cite journal| author=Meier S, Weber R, Zbinden R, Ruef C, Hasse B| title=Extended-spectrum β-lactamase-producing Gram-negative pathogens in community-acquired urinary tract infections: an increasing challenge for antimicrobial therapy. | journal=Infection | year= 2011 | volume= 39 | issue= 4 | pages= 333-40 | pmid=21706226 | doi=10.1007/s15010-011-0132-6 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21706226  }} </ref>  It can also be attributed to a particular strain of Ecoli Sequence type 131 (ST131).<ref name="pmid23926177">{{cite journal| author=Lautenbach E| title=Editorial commentary: flying under the radar: the stealth pandemic of Escherichia coli sequence type 131. | journal=Clin Infect Dis | year= 2013 | volume= 57 | issue= 9 | pages= 1266-9 | pmid=23926177 | doi=10.1093/cid/cit505 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23926177  }} </ref><ref name="pmid23926176">{{cite journal| author=Colpan A, Johnston B, Porter S, Clabots C, Anway R, Thao L et al.| title=Escherichia coli sequence type 131 (ST131) subclone H30 as an emergent multidrug-resistant pathogen among US veterans. | journal=Clin Infect Dis | year= 2013 | volume= 57 | issue= 9 | pages= 1256-65 | pmid=23926176 | doi=10.1093/cid/cit503 | pmc=3792724 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23926176  }} </ref>
*Recurrent Cystitis may be attributed to the developing resistance to the old therapies. This can be related to the extended spectrum beta lactamase producting gram negative bacteria.<ref name="pmid21706226">{{cite journal| author=Meier S, Weber R, Zbinden R, Ruef C, Hasse B| title=Extended-spectrum β-lactamase-producing Gram-negative pathogens in community-acquired urinary tract infections: an increasing challenge for antimicrobial therapy. | journal=Infection | year= 2011 | volume= 39 | issue= 4 | pages= 333-40 | pmid=21706226 | doi=10.1007/s15010-011-0132-6 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21706226  }} </ref>  It can also be attributed to a particular strain of Ecoli Sequence type 131 (ST131).<ref name="pmid23926177">{{cite journal| author=Lautenbach E| title=Editorial commentary: flying under the radar: the stealth pandemic of Escherichia coli sequence type 131. | journal=Clin Infect Dis | year= 2013 | volume= 57 | issue= 9 | pages= 1266-9 | pmid=23926177 | doi=10.1093/cid/cit505 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23926177  }} </ref><ref name="pmid23926176">{{cite journal| author=Colpan A, Johnston B, Porter S, Clabots C, Anway R, Thao L et al.| title=Escherichia coli sequence type 131 (ST131) subclone H30 as an emergent multidrug-resistant pathogen among US veterans. | journal=Clin Infect Dis | year= 2013 | volume= 57 | issue= 9 | pages= 1256-65 | pmid=23926176 | doi=10.1093/cid/cit503 | pmc=3792724 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23926176  }} </ref>
*Patients with recurrent cystitis may require prolonged prophylactic antimicrobial therapy for 6-12 months.<ref name="pmid18159518">{{cite journal| author=Nicolle LE, AMMI Canada Guidelines Committee*| title=Complicated urinary tract infection in adults. | journal=Can J Infect Dis Med Microbiol | year= 2005 | volume= 16 | issue= 6 | pages= 349-60 | pmid=18159518 | doi= | pmc=PMC2094997 | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=18159518  }} </ref>
*Patients with recurrent cystitis may require prolonged prophylactic antimicrobial therapy for 6-12 months.<ref name="pmid18159518">{{cite journal| author=Nicolle LE, AMMI Canada Guidelines Committee*| title=Complicated urinary tract infection in adults. | journal=Can J Infect Dis Med Microbiol | year= 2005 | volume= 16 | issue= 6 | pages= 349-60 | pmid=18159518 | doi= | pmc=PMC2094997 | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=18159518  }} </ref>
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*[[Hyaluronic acid]] is considered to be effective in patients with recurrent Cystitis, interstitial cystitis and hemorrhagic cystitis.<ref name="pmid17383810">{{cite journal| author=Iavazzo C, Athanasiou S, Pitsouni E, Falagas ME| title=Hyaluronic acid: an effective alternative treatment of interstitial cystitis, recurrent urinary tract infections, and hemorrhagic cystitis? | journal=Eur Urol | year= 2007 | volume= 51 | issue= 6 | pages= 1534-40; discussion 1540-1 | pmid=17383810 | doi=10.1016/j.eururo.2007.03.020 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17383810  }} </ref>
*[[Hyaluronic acid]] is considered to be effective in patients with recurrent Cystitis, interstitial cystitis and hemorrhagic cystitis.<ref name="pmid17383810">{{cite journal| author=Iavazzo C, Athanasiou S, Pitsouni E, Falagas ME| title=Hyaluronic acid: an effective alternative treatment of interstitial cystitis, recurrent urinary tract infections, and hemorrhagic cystitis? | journal=Eur Urol | year= 2007 | volume= 51 | issue= 6 | pages= 1534-40; discussion 1540-1 | pmid=17383810 | doi=10.1016/j.eururo.2007.03.020 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17383810  }} </ref>
====Prophylaxis for Recurrent Cystitis====
====Prophylaxis for Recurrent Cystitis====
The following aspects about prophylaxis of Recurrent Cystitis must be kept in mind.<ref name="pmid21292654">{{cite journal| author=Gupta K, Hooton TM, Naber KG, Wullt B, Colgan R, Miller LG et al.| title=International clinical practice guidelines for the treatment of acute uncomplicated cystitis and pyelonephritis in women: A 2010 update by the Infectious Diseases Society of America and the European Society for Microbiology and Infectious Diseases. | journal=Clin Infect Dis | year= 2011 | volume= 52 | issue= 5 | pages= e103-20 | pmid=21292654 | doi=10.1093/cid/ciq257 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21292654  }} </ref>
The following aspects about prophylaxis of recurrent cystitis must be kept in mind.<ref name="pmid21292654">{{cite journal| author=Gupta K, Hooton TM, Naber KG, Wullt B, Colgan R, Miller LG et al.| title=International clinical practice guidelines for the treatment of acute uncomplicated cystitis and pyelonephritis in women: A 2010 update by the Infectious Diseases Society of America and the European Society for Microbiology and Infectious Diseases. | journal=Clin Infect Dis | year= 2011 | volume= 52 | issue= 5 | pages= e103-20 | pmid=21292654 | doi=10.1093/cid/ciq257 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21292654  }} </ref>
*If recurrence is associated with sexual activity, prophylaxis can be given after each intercourse.
*If recurrence is associated with sexual activity, prophylaxis can be given after each intercourse.
*If recurrence is relate to pregnancy, the patient can be given a prophylaxis for the duration of pregnancy.
*If recurrence is relate to pregnancy, the patient can be given a prophylaxis for the duration of pregnancy.
*If recurrence is associated with [[Diabetes]], [[BPH]] or another disease prophylaxis is give after first episode of cystitis to prevent subsequent episodes.
*If recurrence is associated with [[diabetes]], [[BPH]] or another disease prophylaxis is give after first episode of [[cystitis]] to prevent subsequent episodes.
*To view the list of regimens indicated for the primary prevention of cystitis, click [[Cystitis prevention|'''here''']].
*To view the list of regimens indicated for the primary prevention of cystitis, click [[Cystitis prevention|'''here''']].


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Latest revision as of 14:27, 5 September 2020

Urinary Tract Infections Main Page

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Yazan Daaboul, M.D., Usama Talib, BSc, MD [2]

Overview

A major proportion of the urinary tract infections resolves on its own if left untreated. Complications can occur but not very frequently. Cystitis can though increase morbidity and the goal of therapy is early resolution of infectious symptoms. Antimicrobial therapy is indicated in cystitis. The treatment of cystitis depends on the disease course (acute uncomplicated vs complicated) and the rates of resistance in the community. Due to the risk of the infection spreading to the kidneys (complicated UTI) and the high complication rate in diabetics and the elderly population, prompt treatment is almost always recommended[1][2].

The increasing resistance to various drugs is a growing challenge. One aspect of increasing drug resistance is the gram negative bacteria population that produces extended spectrum beta lactamase. Hyperbaric oxygen is used to treat hemorrhagic cystitis associated with exposure to radiation and emphysematous cystitis, as presence of gas in the bladder wall interferes with the tissue oxygenation. Proper oxygenation may help to curtail the associated damage.

Principles of Medical Therapy

  • The choice of therapy depends on whether the patient has uncomplicated vs complicated cystitis, known patient allergies, and regional resistance patterns.[1][3]
  • Cystitis among men is always considered complicated cystitis and should be managed accordingly.[4][5]
  • Symptomatic women with no history of urinary tract infection or a lab-confirmed infection are recommended to undergo testing for urinary tract infection by urinalysis or dipstick testing for the detection of pyuria.[6]
  • Symptomatic women who have had frequent recurrences in the past and prior confirmation of urinary tract infections may be treated empirically.[6]
  • For women with first-time cystitis, a urine culture is not required prior to administration of empiric therapy.
  • Discontinuation of the drug causing cystitis is the first approach for cystitis caused by a drug. Similarly in case of a foreign body like a stone or catheter that lead to cystitis, removal is necessary. The associated conditions like BPH, have to be treated to make sure that the patient does not have to face recurrence of urinary tract infection.

Acute Uncomplicated Cystitis

Patients with acute uncomplicated cystitis may be treated using a single antimicrobial therapy using either a single dose or a 3-day regimen. Nitrofurantoin is preferred over Fluoroquinolones in treating uncomplicated cystitis due to the increasing resistance to fluoroquinolones. The following list of antimicrobial agents may be administered:[1][7]

  • Empiric Therapy:
  • Preferred regimen (1): Fosfomycin tromethamine 3 g PO single dose
  • Preferred regimen (2): Nitrofurantoin monohydrate/macrocrystals 100 mg PO bid for 5 days
  • Preferred regimen (3): Trimethoprim-Sulfamethoxazole 160/800 mg PO double-strength tablet bid for 3 days
  • Preferred regimen (4): Trimethoprim 100 mg PO bid for 3 days
  • Preferred regimen (5): Pivmecillinam 400 mg bid for 5 days
  • Alternative regimen (1): Ciprofloxacin 250 mg PO bid for 3 days
  • Alternative regimen (2): Levofloxacin 250 mg PO qd for 3 days
  • Alternative regimen (3): Ofloxacin 200–400 mg po bid
  • Alternative regimen (4): Norfloxacin 400 mg PO bid for 3 days
  • Alternative regimen (5): Gatifloxacin 200 mg PO qd for 3 days
  • Alternative regimen (6): Amoxicillin-clavulanate 500/125 mg po tid or 875/125 mg po bid
  • Alternative regimen (7): Cefdinir 300 mg po q12h or 600 mg po q24 OR Cefaclor 250-500 mg po q8h OR Cefpodoxime-proxetil 100-200 mg po q12h
  • Note (1): Avoid Nitrofurantoin and Fosfomycin if pyelonephritis is suspected
  • Note (2): Avoid Trimethoprim-based regimens if resistance regional prevalence exceeds 20% or if patient had a prior UTI within the past 3 months
  • Note (3): β-lactam-based regimens are less effective than other available agents and are only indicated when other agents cannot be used.
  • Pivmecillinam and Fosfomycin are considered first line agents for uncomplicated cystitis due to their strong action against gram negative organisms like the EColi, which are the most common pathogens causing cystitis and their ability to cause less side effects as compared to Fluroquinolonesand beta lactam drugs.[1][8][9]
  • The use of ibuprofen marks the alternate therapeutic option for treating uncomplicated symptomatic Cystitis.[10]

Complicated Cystitis

  • Patients with complicated cystitis generally require a longer duration of therapy compared with patients with uncomplicated cystitis.[11]
  • Patients who meet at least one of the following criteria are considered to have complicated cystitis:[12][13]
  • Male gender
  • Pregnant women
  • Presence of symptoms for more than 7 days
  • Metabolic diseases like diabetes mellitus
  • Hospital acquired cystitis
  • Children with genitourinary abnormalities
  • Patients suspected to be at high risk of developing complications or treatment failure, including:
  • Empiric Therapy:
  • Preferred regimen (1): Ofloxacin 200–400 mg po bid.
  • Preferred regimen (2): Ciprofloxacin 250 mg bid po or Cipro XR 500 mg q24h
  • Preferred regimen (3): Levofloxacin 250–750 mg po q24.
  • Special attention to the choice of antimicrobial therapy is required when administering antimicrobial agents to children and pregnant/lactating women. In pregnancy, Nitrofurantoin, Sulfonamide, Trimethoprim, and fluoroquinolones should be avoided.[14][15][16]
  • A single dose of Fosfomycin is a good option to treat cystitis in a pregnant patients. [17]
  • The duration of therapy for the management of cases of complicated cystitis is not well established. The majority of clinical trials evaluated the efficacy of antimicrobial agents over 7-14 days (range: 5-20 days).
  • The general consensus is to treat complicated cases of complicated cystitis for 7 days.
  • Long-term therapy among high-risk patients is not established and is often tailored on an individual basis.

Catheter Associated UTIs

  • Urinary infections in catheterized patients tend to be polymicrobial with more resistant uropathogens.
  • Urine culture:should be taken before initiation the antimicrobial therapy.[18] For infected patients with indwelling catheters more than 2 weeks, the catheter should be replaced, and urine culture should be sampled from the new catheter to improve the out come of treatment with less complications.[19]
  • Regimen : TMP-SMX DS 1 tab bid x 3 days

Duration of treatment

  • Depends on the response to treatment regardless of the catheter is still placed or not. For quick resolution, a 7 days regimen is recommended. While delayed clinical improvement needs extended regimen (10-14 days).[20]
  • For mild catheter associated UTI, levofloxacin for 5 days is recommended. While 3 days regimen of antimicrobials is recommended for women≤65 with lower urinary symptoms only after catheter removal.[21]

Relapses

True relapses may be caused by uropathogenic Escherichia coli that is protected under a biofilm[22][23][24].

Recurrent Cystitis

In case of a case of recurrent cystitis, urine cultures must be performed and long acting agent be used initially like a Fluroquinolone.[25]

  • Recurrent Cystitis may be attributed to the developing resistance to the old therapies. This can be related to the extended spectrum beta lactamase producting gram negative bacteria.[3] It can also be attributed to a particular strain of Ecoli Sequence type 131 (ST131).[26][27]
  • Patients with recurrent cystitis may require prolonged prophylactic antimicrobial therapy for 6-12 months.[6]
  • The same antimicrobial agents that are indicated for uncomplicated cystitis are also indicated for recurrent cystitis.
  • In case of a recurrent infection within 6 months of adequate therapy, a different first line agent should be used to treat the recurrence.[11]
  • Patients with recurrent cystitis should be re-evaluated at the time of completion of therapy.[6]
  • Hyaluronic acid is considered to be effective in patients with recurrent Cystitis, interstitial cystitis and hemorrhagic cystitis.[28]

Prophylaxis for Recurrent Cystitis

The following aspects about prophylaxis of recurrent cystitis must be kept in mind.[1]

  • If recurrence is associated with sexual activity, prophylaxis can be given after each intercourse.
  • If recurrence is relate to pregnancy, the patient can be given a prophylaxis for the duration of pregnancy.
  • If recurrence is associated with diabetes, BPH or another disease prophylaxis is give after first episode of cystitis to prevent subsequent episodes.
  • To view the list of regimens indicated for the primary prevention of cystitis, click here.

References

  1. 1.0 1.1 1.2 1.3 1.4 Gupta K, Hooton TM, Naber KG, Wullt B, Colgan R, Miller LG; et al. (2011). "International clinical practice guidelines for the treatment of acute uncomplicated cystitis and pyelonephritis in women: A 2010 update by the Infectious Diseases Society of America and the European Society for Microbiology and Infectious Diseases". Clin Infect Dis. 52 (5): e103–20. doi:10.1093/cid/ciq257. PMID 21292654.
  2. Bent S, Nallamothu BK, Simel DL, Fihn SD, Saint S (2002). "Does this woman have an acute uncomplicated urinary tract infection?". JAMA. 287 (20): 2701–10. doi:10.1001/jama.287.20.2701. PMID 12020306. Review in: Evid Based Nurs. 2002 Oct;5(4):119
  3. 3.0 3.1 Meier S, Weber R, Zbinden R, Ruef C, Hasse B (2011). "Extended-spectrum β-lactamase-producing Gram-negative pathogens in community-acquired urinary tract infections: an increasing challenge for antimicrobial therapy". Infection. 39 (4): 333–40. doi:10.1007/s15010-011-0132-6. PMID 21706226.
  4. Chong V, Rice M (2016). "The effectiveness of hyperbaric oxygen therapy (HBOT) in radiation-induced haemorrhagic cystitis". N Z Med J. 129 (1446): 79–83. PMID 27906922.
  5. Garde H, Useros E, Hernando A, Chávez C, Paños E, Quijano P; et al. (2015). "[Emphysematous cystitis: Report of 2 cases with different outcomes]". Arch Esp Urol. 68 (7): 627–32. PMID 26331400.
  6. 6.0 6.1 6.2 6.3 "ACOG Practice Bulletin Clinical Management Guidelines For Obstetrician-Gynecologists Number 91" (PDF). 2008.
  7. Christiaens TC, De Meyere M, Verschraegen G, Peersman W, Heytens S, De Maeseneer JM (2002). "Randomised controlled trial of nitrofurantoin versus placebo in the treatment of uncomplicated urinary tract infection in adult women". Br J Gen Pract. 52 (482): 729–34. PMC 1314413. PMID 12236276.
  8. Ferry SA, Holm SE, Stenlund H, Lundholm R, Monsen TJ (2007). "Clinical and bacteriological outcome of different doses and duration of pivmecillinam compared with placebo therapy of uncomplicated lower urinary tract infection in women: the LUTIW project". Scand J Prim Health Care. 25 (1): 49–57. doi:10.1080/02813430601183074. PMC 3389454. PMID 17354160.
  9. Graninger W (2003). "Pivmecillinam--therapy of choice for lower urinary tract infection". Int J Antimicrob Agents. 22 Suppl 2: 73–8. PMID 14527775.
  10. Bleidorn J, Gágyor I, Kochen MM, Wegscheider K, Hummers-Pradier E (2010). "Symptomatic treatment (ibuprofen) or antibiotics (ciprofloxacin) for uncomplicated urinary tract infection?--results of a randomized controlled pilot trial". BMC Med. 8: 30. doi:10.1186/1741-7015-8-30. PMC 2890534. PMID 20504298.
  11. 11.0 11.1 Hooton TM (2003). "The current management strategies for community-acquired urinary tract infection". Infect Dis Clin North Am. 17 (2): 303–32. PMID 12848472.
  12. Hooton, TM. (2012). "Clinical practice. Uncomplicated urinary tract infection". N Engl J Med. 366 (11): 1028–37. doi:10.1056/NEJMcp1104429. PMID 22417256. Unknown parameter |month= ignored (help)
  13. Zilberberg MD, Shorr AF (2013). "Secular trends in gram-negative resistance among urinary tract infection hospitalizations in the United States, 2000-2009". Infect Control Hosp Epidemiol. 34 (9): 940–6. doi:10.1086/671740. PMID 23917908.
  14. Ben David, S.; Einarson, T.; Ben David, Y.; Nulman, I.; Pastuszak, A.; Koren, G. (1995). "The safety of nitrofurantoin during the first trimester of pregnancy: meta-analysis". Fundam Clin Pharmacol. 9 (5): 503–7. PMID 8617414.
  15. Crider, KS.; Cleves, MA.; Reefhuis, J.; Berry, RJ.; Hobbs, CA.; Hu, DJ. (2009). "Antibacterial medication use during pregnancy and risk of birth defects: National Birth Defects Prevention Study". Arch Pediatr Adolesc Med. 163 (11): 978–85. doi:10.1001/archpediatrics.2009.188. PMID 19884587. Unknown parameter |month= ignored (help)
  16. Ho PL, Yip KS, Chow KH, Lo JY, Que TL, Yuen KY (2010). "Antimicrobial resistance among uropathogens that cause acute uncomplicated cystitis in women in Hong Kong: a prospective multicenter study in 2006 to 2008". Diagn Microbiol Infect Dis. 66 (1): 87–93. doi:10.1016/j.diagmicrobio.2009.03.027. PMID 19446980.
  17. Rodríguez-Baño J, Alcalá JC, Cisneros JM, Grill F, Oliver A, Horcajada JP; et al. (2008). "Community infections caused by extended-spectrum beta-lactamase-producing Escherichia coli". Arch Intern Med. 168 (17): 1897–902. doi:10.1001/archinte.168.17.1897. PMID 18809817.
  18. Nicolle, LE. (2001). "A practical guide to antimicrobial management of complicated urinary tract infection". Drugs Aging. 18 (4): 243–54. PMID 11341472.
  19. Raz, R.; Schiller, D.; Nicolle, LE. (2000). "Chronic indwelling catheter replacement before antimicrobial therapy for symptomatic urinary tract infection". J Urol. 164 (4): 1254–8. PMID 10992375. Unknown parameter |month= ignored (help)
  20. "The prevention and management of urinary tract infections among people with spinal cord injuries. National Institute on Disability and Rehabilitation Research Consensus Statement. January 27-29, 1992". J Am Paraplegia Soc. 15 (3): 194–204. 1992. PMID 1500945. Unknown parameter |month= ignored (help)
  21. Mohler, JL.; Cowen, DL.; Flanigan, RC. (1987). "Suppression and treatment of urinary tract infection in patients with an intermittently catheterized neurogenic bladder". J Urol. 138 (2): 336–40. PMID 3496470. Unknown parameter |month= ignored (help)
  22. Soto SM, Smithson A, Horcajada JP, Martinez JA, Mensa JP, Vila J (2006). "Implication of biofilm formation in the persistence of urinary tract infection caused by uropathogenic Escherichia coli". Clin Microbiol Infect. 12 (10): 1034–6. doi:10.1111/j.1469-0691.2006.01543.x. PMID 16961644.
  23. Blango MG, Mulvey MA (2010). "Persistence of uropathogenic Escherichia coli in the face of multiple antibiotics". Antimicrob Agents Chemother. 54 (5): 1855–63. doi:10.1128/AAC.00014-10. PMC 2863638. PMID 20231390.
  24. Blango MG, Ott EM, Erman A, Veranic P, Mulvey MA (2014). "Forced resurgence and targeting of intracellular uropathogenic Escherichia coli reservoirs". PLoS One. 9 (3): e93327. doi:10.1371/journal.pone.0093327. PMC 3965547. PMID 24667805.
  25. Hooton TM (2012). "Clinical practice. Uncomplicated urinary tract infection". N Engl J Med. 366 (11): 1028–37. doi:10.1056/NEJMcp1104429. PMID 22417256.
  26. Lautenbach E (2013). "Editorial commentary: flying under the radar: the stealth pandemic of Escherichia coli sequence type 131". Clin Infect Dis. 57 (9): 1266–9. doi:10.1093/cid/cit505. PMID 23926177.
  27. Colpan A, Johnston B, Porter S, Clabots C, Anway R, Thao L; et al. (2013). "Escherichia coli sequence type 131 (ST131) subclone H30 as an emergent multidrug-resistant pathogen among US veterans". Clin Infect Dis. 57 (9): 1256–65. doi:10.1093/cid/cit503. PMC 3792724. PMID 23926176.
  28. Iavazzo C, Athanasiou S, Pitsouni E, Falagas ME (2007). "Hyaluronic acid: an effective alternative treatment of interstitial cystitis, recurrent urinary tract infections, and hemorrhagic cystitis?". Eur Urol. 51 (6): 1534–40, discussion 1540-1. doi:10.1016/j.eururo.2007.03.020. PMID 17383810.

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