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{{familytree/start |summary= | {{familytree/start |summary=Pulsatile abdominal mass management Algorithm.}} | ||
{{familytree | | | | | | | | A01 |A01= '''Pulsatile abdominal mass'''<ref name="pmid22470694">{{cite journal |vauthors=Moussa O, Al Samaraee A, Ray R, Nice C, Bhattacharya V |title=A Tender Pulsatile Epigastric Mass is NOT Always an Abdominal Aortic Aneurysm: A Case Report and Review of Literature |journal=J Radiol Case Rep |volume=4 |issue=10 |pages=26–31 |date=2010 |pmid=22470694 |pmc=3303349 |doi=10.3941/jrcr.v4i10.458 |url=}}</ref><ref>{{cite book | last = Starnes | first = Benjamin | title = Ruptured abdominal aortic aneurysm : the definitive manual | publisher = Springer | location = Cham | year = 2017 | isbn = 9783319238449 }}</ref><br> | {{familytree | | | | | | | | A01 |A01=<div style="float: left; text-align: left; line-height: 150% ">'''Pulsatile abdominal mass'''<ref name="pmid22470694">{{cite journal |vauthors=Moussa O, Al Samaraee A, Ray R, Nice C, Bhattacharya V |title=A Tender Pulsatile Epigastric Mass is NOT Always an Abdominal Aortic Aneurysm: A Case Report and Review of Literature |journal=J Radiol Case Rep |volume=4 |issue=10 |pages=26–31 |date=2010 |pmid=22470694 |pmc=3303349 |doi=10.3941/jrcr.v4i10.458 |url=}}</ref><ref name="urlAbdominal aortic aneurysm | Radiology Reference Article | Radiopaedia.org">{{cite web |url=https://radiopaedia.org/articles/abdominal-aortic-aneurysm#:~:text=CT%20angiography%20(CTA)%20is%20considered,arteries%20and%20the%20aortic%20bifurcation. |title=Abdominal aortic aneurysm | Radiology Reference Article | Radiopaedia.org |format= |work= |accessdate=}}</ref><ref name="urlwww.nice.org.uk">{{cite web |url=https://www.nice.org.uk/guidance/ng156/documents/short-version-of-draft-guideline |title=www.nice.org.uk |format= |work= |accessdate=}}</ref><ref>{{cite book | last = Starnes | first = Benjamin | title = Ruptured abdominal aortic aneurysm : the definitive manual | publisher = Springer | location = Cham | year = 2017 | isbn = 9783319238449 }}</ref><br>❑History (such as associated pain, past medical, surgical history)<br>❑Physical exam (such as location and extent of the mass, change in size) <br>❑Risk factors for the development of [[AAA|Abdominal AOrtic Aneurysm]] (AAA)}} | ||
{{familytree | | | | | | | | |!| | | | | | }} | {{familytree | | | | | | | | |!| | | | | | }} | ||
{{familytree | | | | | | | | D01| | | | | |D01=Assess hemodynamic stability }} | {{familytree | | | | | | | | D01| | | | | |D01=Assess hemodynamic stability }} | ||
{{familytree | | | | |,|-|-|-|^|-|-|-|.| | | }} | {{familytree | | | | |,|-|-|-|^|-|-|-|.| | | }} | ||
{{familytree | | | B01 | | | | | | | B02 | | |B01= Unsable|B02= Stable}} | {{familytree | | | B01 | | | | | | | B02 | | |B01= '''Unsable'''|B02= '''Stable'''}} | ||
{{familytree | | | |!| | | | | | | | |!| }} | {{familytree | | | |!| | | | | | | | |!| }} | ||
{{familytree | | | C01 | | | | | | | G01| |C01=<div style="float: left; text-align: left; line-height: 150% ">❑'''A'''irway, '''B'''reathing and '''C'''irculation (ABC)<br>❑Clinical diagnosis of ruptured [[AAA]] considered if patient is/was a smoker, >60 years old,<br> [[HTN]] history, an existing diagnosis of [[AAA]], and abdominal/back pain. <br>❑Immediate bedside aortic [[US]]<br>❑[[Systolic blood pressure|Systolic BP]] >70 acceptable (permissive hypotension)|G01=<div style="float: left; text-align: left; line-height: 150% ">❑Abdominal [[ultrasound]] scan (US)<br> | {{familytree | | | C01 | | | | | | | G01| |C01=<div style="float: left; text-align: left; line-height: 150% ">❑'''A'''irway, '''B'''reathing and '''C'''irculation (ABC)<br>❑Clinical diagnosis of ruptured [[AAA]] considered if patient is/was a smoker, >60 years old,<br> [[HTN]] history, an existing diagnosis of [[AAA]], and abdominal/back pain. <br>❑Immediate bedside aortic [[US]]<br>❑[[Systolic blood pressure|Systolic BP]] >70 acceptable (permissive hypotension)|G01=<div style="float: left; text-align: left; line-height: 150% ">❑Abdominal [[ultrasound]] scan (US)<br> | ||
❑Abdominal [[ultrasound|US]] (100% [[sensitivity|Sn]] and [[specificity|Sp]] but visualization among 1-3% [[patients]])<br>❑[[CT angiogram|CTA]] serves as first line modality to assess [[AAA]] in few cases}} | |||
{{familytree | | | |!| | | | | | | | |!| }} | {{familytree | | | |!| | | | | | | | |!| }} | ||
{{familytree | | | D01 |-| D03 | | | |!|D01=Emergency repair (open or endovascular) if expertise are available|D03=Transfer to a facility with vascular specialist expertise}} | {{familytree | | | D01 |-| D03 | | | |!|D01=<div style="float: left; text-align: left; line-height: 150% ">Emergency repair (open or endovascular) if expertise are available|D03=<div style="float: left; text-align: left; line-height: 150% ">Transfer to a facility with vascular specialist expertise}} | ||
{{familytree | | | | | | | | | | | | |!| }} | {{familytree | | | | | | | | | | | | |!| }} | ||
{{familytree | | | | | | | | | | | | |!| |}} | {{familytree | | | | | | | | | | | | |!| |}} | ||
{{familytree | | | | | | | | | | | | |!| }} | {{familytree | | | | | | | | | | | | |!| }} | ||
{{familytree | | | | | | | | |,|-|-|-|^|.| }} | {{familytree | | | | | | | | |,|-|-|-|^|.| }} | ||
{{familytree | | | | | | | | E01 | | | E02 |E01=[[AAA]] not demonstrated|E02=[[AAA]] demonstrated}} | {{familytree | | | | | | | | E01 | | | E02 |E01='''[[AAA]] not demonstrated'''|E02='''[[AAA]] demonstrated'''}} | ||
{{familytree | | | | | | | | |!| | | |!| }} | {{familytree | | | | | | | | |!| | | |!| }} | ||
{{familytree | | | | | | | | F01 | | |!| F01=<div style="float: left; text-align: left; line-height: 150% ">Look for other possible causes on a [[CT]] scan<br> | {{familytree | | | | | | | | F01 | | |!| F01=<div style="float: left; text-align: left; line-height: 150% ">Look for other possible causes on a [[CT]] scan<br> | ||
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{{familytree | | | | | | | | | | | | |!| }} | {{familytree | | | | | | | | | | | | |!| }} | ||
{{familytree | | | | | | |,|-|-|-|-|-|^|.|}} | {{familytree | | | | | | |,|-|-|-|-|-|^|.|}} | ||
{{familytree | | | | | | G01 | | | | | | G02 |G01=<5.5cm|G02=≥5.5cm}} | {{familytree | | | | | | G01 | | | | | | G02 |G01='''<5.5cm'''|G02='''≥5.5cm'''}} | ||
{{familytree | | | | | | |!| | | | | | | |!| | }} | {{familytree | | | | | | |!| | | | | | | |!| | }} | ||
{{familytree | | |,|-|-|-|^|-|.| | | | |,|^|-|-|-|.|}} | {{familytree | | |,|-|-|-|^|-|.| | | | |,|^|-|-|-|.|}} | ||
{{familytree | | E01 | | | | E02 | | | E03 | | | E04 | E01=No pain demonstrated<br>Rupture risk<operative repair risk (1 year)|E02=Pain is present<br> Search for risk factors: female, [[smoker]],<br> height, [[age]], [[HTN]] history or other causes|E03=No Pain demonstrated<br>Rupture risk>operative repair risk (1 year)<br>Elective repair considered|E04=Pain is present<br>High rupture risk}} | {{familytree | | E01 | | | | E02 | | | E03 | | | E04 | E01=<div style="float: left; text-align: left; line-height: 150% ">'''No pain demonstrated'''<br>Rupture risk<operative repair risk (1 year)|E02=<div style="float: left; text-align: left; line-height: 150% ">'''Pain is present'''<br> Search for risk factors: female, [[smoker]],<br> height, [[age]], [[HTN]] history or other causes|E03=<div style="float: left; text-align: left; line-height: 150% ">'''No Pain demonstrated'''<br>Rupture risk>operative repair risk (1 year)<br>Elective repair considered|E04=<div style="float: left; text-align: left; line-height: 150% ">'''Pain is present'''<br>High rupture risk}} | ||
{{familytree | |!| | | |,|-|-|^|.| | | | | | | | |!| | }} | {{familytree | |!| | | |,|-|-|^|.| | | | | | | | |!| | }} | ||
{{familytree | |!| | | H01 | | H02 | | | | | | | |!| | | H01=Other causes<br>(low rupture risk)|H02=No other causes <br>(moderate-high risk of rupture)}} | {{familytree | |!| | | H01 | | H02 | | | | | | | |!| | | H01=<div style="float: left; text-align: left; line-height: 150% ">Other causes<br>(low rupture risk)|H02=<div style="float: left; text-align: left; line-height: 150% ">No other causes <br>(moderate-high risk of rupture)}} | ||
{{familytree | |!| | | |!| | | |`|-|-|-|-|-|-|-| F01| |F01=<div style="float: left; text-align: left; line-height: 150% ">❑[[RFTs]]<br> | {{familytree | |!| | | |!| | | |`|-|-|-|-|-|-|-| F01| |F01=<div style="float: left; text-align: left; line-height: 150% ">❑[[RFTs]]<br> | ||
:❑[[Creatinine|Crt]]<2mg/dl=[[CT angiography|CTA]]<br> | :❑[[Creatinine|Crt]]<2mg/dl=[[CT angiography|CTA]]<br> |
Revision as of 13:37, 15 August 2020
Shown below is an algorithm summarizing the diagnosis of abdominal mass according the the [...] guidelines.
Abbreviations: ACS: Acute coronary syndrome; AAA: Abdominal aortic aneurysm; RUQ: Right upper quadrant; RLQ: Right lower quadrant; LUQ: Left upper quadrant; LLQ: Left lower quadrant
Abdominal mass | |||||||||||||||||||||||
History and brief physical exam Past medical history | |||||||||||||||||||||||
Hemodynamic instability | Stable | ||||||||||||||||||||||
{{{ ! }}} | {{{ ! }}} | ||||||||||||||||||||||
Characterize the mass:
Associated symptoms
Detailed history:
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Examine the patient: ❑ Vital signs
❑ Skin
❑ Inspection
❑ Auscultation
❑ Palpation
❑ Psoas sign (suggestive of retrocecal appendix) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Consider extraabdominal differential diagnosis: ❑ aaaa | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
❑ Assess hemodynamic stability | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
If the patient is unstable, Stabilize the patient: ❑ Establish two large-bore intravenous peripheral lines ❑ NPO until the patient is stable ❑ Supportive care (fluids and electrolyes as required) ❑ Place nasogastric tube if there is bleeding, obstruction, significant nausea or vomiting ❑ Place foley catheter to monitor volume status ❑ Cardiac monitoring ❑ Supplemental oxygen as needed ❑ Administer early antibiotics if indicated | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
If the patient is stable, Order laboratory tests: ❑ Pregnancy test (required in women of child-bearing age) ❑ CBC ❑ Hematocrit ❑ Urinalysis ❑ Serum electrolytes ❑ ESR ❑ ABG ❑ D dimer ❑ Serum lactate ❑ BUN ❑ Creatinine ❑ Amylase ❑ Lipase ❑ Triglyceride ❑ Total bilirubin ❑ Direct bilirubin ❑ Albumin ❑ AST ❑ ALT ❑ Alkaline phosphatase ❑ GGT ❑ Stool for ova and parasites ❑ C. difficile culture and toxin assay Order imaging studies: *Order the tests to rule in a suspected diagnosis or to assess a case of unclear etiology *In case of elderly patients, immunocompromised or those unable to provide a comprehensive history, order broader range of tests | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Signs of peritonitis or shock ❑ Fever ❑ Abdominal tenderness ❑ Abdominal gaurding ❑ Rebound tenderness (blumberg sign) ❑ Diffuse abdominal rigidity ❑ Confusion ❑ Weakness ❑ Low blood pressure ❑ Decreased urine output ❑ Tachycardia | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
No | Yes | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Pulsatile abdominal mass[1][2][3][4] ❑History (such as associated pain, past medical, surgical history) ❑Physical exam (such as location and extent of the mass, change in size) ❑Risk factors for the development of Abdominal AOrtic Aneurysm (AAA) | |||||||||||||||||||||||||||||||||||||||||||||
Assess hemodynamic stability | |||||||||||||||||||||||||||||||||||||||||||||
Unsable | Stable | ||||||||||||||||||||||||||||||||||||||||||||
❑Airway, Breathing and Circulation (ABC) ❑Clinical diagnosis of ruptured AAA considered if patient is/was a smoker, >60 years old, HTN history, an existing diagnosis of AAA, and abdominal/back pain. ❑Immediate bedside aortic US ❑Systolic BP >70 acceptable (permissive hypotension) | |||||||||||||||||||||||||||||||||||||||||||||
Emergency repair (open or endovascular) if expertise are available | Transfer to a facility with vascular specialist expertise | ||||||||||||||||||||||||||||||||||||||||||||
AAA not demonstrated | AAA demonstrated | ||||||||||||||||||||||||||||||||||||||||||||
Look for other possible causes on a CT scan ❑Heart failure (hepatomegaly, portal hypertension, pulmonary edema, and contrast reflux into IVC and hepatic veins) | |||||||||||||||||||||||||||||||||||||||||||||
<5.5cm | ≥5.5cm | ||||||||||||||||||||||||||||||||||||||||||||
No pain demonstrated Rupture risk<operative repair risk (1 year) | No Pain demonstrated Rupture risk>operative repair risk (1 year) Elective repair considered | Pain is present High rupture risk | |||||||||||||||||||||||||||||||||||||||||||
Other causes (low rupture risk) | No other causes (moderate-high risk of rupture) | ||||||||||||||||||||||||||||||||||||||||||||
❑Follow-up in 6M ❑Repair of aneurysm if it grows >0.4cm/year or becomes symptomatic | |||||||||||||||||||||||||||||||||||||||||||||
❑Unruptured AAA (moderate risk)
| ❑Ruptured AAA
| ||||||||||||||||||||||||||||||||||||||||||||
Abdominal US (100% Sn and Sp but visualization among 1-3% patients). [2]
- AAAs are more likely to rupture in women than men.[3]
CT angiography (gold standard for evaluation of AAA).
- ↑ Moussa O, Al Samaraee A, Ray R, Nice C, Bhattacharya V (2010). "A Tender Pulsatile Epigastric Mass is NOT Always an Abdominal Aortic Aneurysm: A Case Report and Review of Literature". J Radiol Case Rep. 4 (10): 26–31. doi:10.3941/jrcr.v4i10.458. PMC 3303349. PMID 22470694.
- ↑ 2.0 2.1 "Abdominal aortic aneurysm | Radiology Reference Article | Radiopaedia.org".
- ↑ 3.0 3.1 "www.nice.org.uk".
- ↑ Starnes, Benjamin (2017). Ruptured abdominal aortic aneurysm : the definitive manual. Cham: Springer. ISBN 9783319238449.