Abdominal aortic aneurysm diagnostic study of choice: Difference between revisions

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{{Abdominal aortic aneurysm}}
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== Overview ==
== Overview ==
 
Diagnostic study of choice for an abdominal aortic aneurysm is [[ultrasound]], which has near 100% [[Sensitivity (tests)|sensitivity]] and 91% [[Specificity (tests)|specificity]]. due to its high sensitivity, it is also performed as a [[Screening (medicine)|screening]] test especially in patients who are considered at risk for an abdominal aortic aneurysm.
== Diagnostic Study of Choice ==
== Diagnostic Study of Choice ==


=== Study of choice ===
=== Study of choice ===
[Name of the investigation] is the gold standard test for the diagnosis of [disease name].
OR
The following result of [gold standard test] is confirmatory of [disease name]:
* [Result 1]
* [Result 2]
OR
[Name of the investigation] must be performed when:
* The patient presents with [symptom/sign 1], [symptom/sign 2], and [symptom/sign 3].
* A [name of test] is positive for [sign 1], [sign 2], and [sign 3] in the patient.
OR
[Name of the investigation] is the gold standard test for the diagnosis of [disease name].
OR
The diagnostic study of choice for [disease name] is [name of the investigation].
OR
There is no single diagnostic study of choice for the diagnosis of [disease name].


OR
* Abdominal [[ultrasound]] is the gold standard test for the diagnosis of abdominal aortic aneurysm.<ref name="Lynch2004">{{cite journal|last1=Lynch|first1=Richard M|title=Accuracy of abdominal examination in the diagnosis of non-ruptured abdominal aortic aneurysm|journal=Accident and Emergency Nursing|volume=12|issue=2|year=2004|pages=99–107|issn=09652302|doi=10.1016/j.aaen.2003.09.005}}</ref>
*Ultrasound is both convenient and easy to preform with high [[Specificity (tests)|specificity]] and [[Sensitivity (tests)|sensitivity]].<ref name="pmid23074490">{{cite journal| author=Medical Advisory Secretariat| title=Ultrasound screening for abdominal aortic aneurysm: an evidence-based analysis. | journal=Ont Health Technol Assess Ser | year= 2006 | volume= 6 | issue= 2 | pages= 1-67 | pmid=23074490 | doi= | pmc=3379169 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23074490  }}</ref>


There is no single diagnostic study of choice for the diagnosis of [disease name], but [disease name] can be diagnosed based on [name of the investigation 1] and [name of the investigation 2].
[[File:PMC4374579 12876 2015 258 Fig2 HTML.png|center|thumbnail|Abdominal contrast-enhanced ultrasound: abdominal aortic aneurysm.<ref name="CocotaBadea2015">{{cite journal|last1=Cocota|first1=Ileana|last2=Badea|first2=Radu|last3=Scridon|first3=Traian|last4=Dumitrascu|first4=Dan L|title=Ischemic acute pancreatitis with pancreatic pseudocyst in a patient with abdominal aortic aneurysm and generalized atheromatosis – case report|journal=BMC Gastroenterology|volume=15|issue=1|year=2015|issn=1471-230X|doi=10.1186/s12876-015-0258-6}}</ref>]]
==== Ultrasound specificity and sensitivity in abdominal aortic aneurysm ====


OR
* These two factors are very dependent on performer's skill.<ref name="Mohler-2012">{{Cite journal  | last1 = Mohler | first1 = ER. | last2 = Gornik | first2 = HL. | last3 = Gerhard-Herman | first3 = M. | last4 = Misra | first4 = S. | last5 = Olin | first5 = JW. | last6 = Zierler | first6 = E. | last7 = Wolk | first7 = MJ. | last8 = Mohler | first8 = ER. | last9 = Dixon | first9 = BS. | title = ACCF/ACR/AIUM/ASE/ASN/ICAVL/SCAI/SCCT/SIR/SVM/SVS 2012 appropriate use criteria for peripheral vascular ultrasound and physiological testing part I: arterial ultrasound and physiological testing: a report of the American College of Cardiology Foundation Appropriate Use Criteria Task Force, American College of Radiology, American Institute of Ultrasound in Medicine, American Society of Echocardiography, American Society of Nephrology, Intersocietal Commission for the Accreditation of Vascular Laboratories, Society for Cardiovascular Angiography and Interventions, Society of Cardiovascular Computed Tomography, Society for Interventional Radiology, Society for Vascular Medicine, and Society for Vascular Surgery. | journal = J Vasc Surg | volume = 56 | issue = 1 | pages = e17-51 | month = Jul | year = 2012 | doi = 10.1016/j.jvs.2012.05.054 | PMID = 22694919 }}</ref>


[Disease name] is primarily diagnosed based on the clinical presentation.


OR
Investigations:
* Among the patients who present with clinical signs of [disease name], the [investigation name] is the most specific test for the diagnosis.
* Among the patients who present with clinical signs of [disease name], the [investigation name] is the most sensitive test for diagnosis.
* Among the patients who present with clinical signs of [disease name], the [investigation name] is the most efficient test for diagnosis.
==== The comparison of various diagnostic studies for [disease name] ====
{|
{|
|- style="background: #4479BA; color: #FFFFFF; text-align: center;"
|- style="background: #4479BA; color: #FFFFFF; text-align: center;"
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! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Specificity
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Specificity
|-
|-
! style="background: #696969; color: #FFFFFF; text-align: center;" |Test 1
! style="background: #696969; color: #FFFFFF; text-align: center;" |Ultrasound
| style="background: #DCDCDC; padding: 5px; text-align: center;" |...%
| style="background: #DCDCDC; padding: 5px; text-align: center;" |100%
| style="background: #DCDCDC; padding: 5px; text-align: center;" |...%
| style="background: #DCDCDC; padding: 5px; text-align: center;" |96%
|-
|}<br />
! style="background: #696969; color: #FFFFFF; text-align: center;" |Test 2
| style="background: #DCDCDC; padding: 5px; text-align: center;" |...%
| style="background: #DCDCDC; padding: 5px; text-align: center;" |...%
|}
<small> [Name of test with higher sensitivity and specificity] is the preferred investigation based on the sensitivity and specificity</small>
 
===== Diagnostic results =====
The following finding(s) on performing [investigation name] is(are) confirmatory for [disease name]:
* [Finding 1]
* [Finding 2]
 
===== Sequence of Diagnostic Studies =====
The [name of investigation] must be performed when:
* The patient presented with symptoms/signs 1, 2, and 3 as the first step of diagnosis.
* A positive [test] is detected in the patient, to confirm the diagnosis.
 
OR
 
The various investigations must be performed in the following order:
* [Initial investigation]
* [2nd investigation]
 
=== Name of Diagnostic Criteria ===
 
'''It is recommended that you include the criteria in a table. Make sure you always cite the source of the content and whether the table has been adapted from another source.'''
 
[Disease name] is primarily diagnosed based on clinical presentation. There are no established criteria for the diagnosis of [disease name].
 
OR
 
There is no single diagnostic study of choice for [disease name], though [disease name] may be diagnosed based on [name of criteria] established by [...].
 
OR
 
The diagnosis of [disease name] is made when at least [number] of the following [number] diagnostic criteria are met: [criterion 1], [criterion 2], [criterion 3], and [criterion 4].
 
OR
 
The diagnosis of [disease name] is based on the [criteria name] criteria, which includes [criterion 1], [criterion 2], and [criterion 3].
 
OR
 
[Disease name] may be diagnosed at any time if one or more of the following criteria are met:
* Criteria 1
* Criteria 2
* Criteria 3
 
OR
 
'''IF there are clear, established diagnostic criteria'''
 
The diagnosis of [disease name] is made when at least [number] of the following [number] diagnostic criteria are met: [criterion 1], [criterion 2], [criterion 3], and [criterion 4].
 
OR
 
The diagnosis of [disease name] is based on the [criteria name] criteria, which include [criterion 1], [criterion 2], and [criterion 3].
 
OR
 
The diagnosis of [disease name] is based on the [definition name] definition, which includes [criterion 1], [criterion 2], and [criterion 3].
 
OR
 
'''IF there are no established diagnostic criteria'''
 
There are no established criteria for the diagnosis of [disease name].


==References==
==References==

Latest revision as of 13:31, 7 January 2020

Abdominal Aortic Aneurysm Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Ramyar Ghandriz MD[2]

Overview

Diagnostic study of choice for an abdominal aortic aneurysm is ultrasound, which has near 100% sensitivity and 91% specificity. due to its high sensitivity, it is also performed as a screening test especially in patients who are considered at risk for an abdominal aortic aneurysm.

Diagnostic Study of Choice

Study of choice

Abdominal contrast-enhanced ultrasound: abdominal aortic aneurysm.[3]

Ultrasound specificity and sensitivity in abdominal aortic aneurysm

  • These two factors are very dependent on performer's skill.[4]


Test Sensitivity Specificity
Ultrasound 100% 96%


References

  1. ↑ Lynch, Richard M (2004). "Accuracy of abdominal examination in the diagnosis of non-ruptured abdominal aortic aneurysm". Accident and Emergency Nursing. 12 (2): 99–107. doi:10.1016/j.aaen.2003.09.005. ISSN 0965-2302.
  2. ↑ Medical Advisory Secretariat (2006). "Ultrasound screening for abdominal aortic aneurysm: an evidence-based analysis". Ont Health Technol Assess Ser. 6 (2): 1–67. PMC 3379169. PMID 23074490.
  3. ↑ Cocota, Ileana; Badea, Radu; Scridon, Traian; Dumitrascu, Dan L (2015). "Ischemic acute pancreatitis with pancreatic pseudocyst in a patient with abdominal aortic aneurysm and generalized atheromatosis – case report". BMC Gastroenterology. 15 (1). doi:10.1186/s12876-015-0258-6. ISSN 1471-230X.
  4. ↑ Mohler, ER.; Gornik, HL.; Gerhard-Herman, M.; Misra, S.; Olin, JW.; Zierler, E.; Wolk, MJ.; Mohler, ER.; Dixon, BS. (2012). "ACCF/ACR/AIUM/ASE/ASN/ICAVL/SCAI/SCCT/SIR/SVM/SVS 2012 appropriate use criteria for peripheral vascular ultrasound and physiological testing part I: arterial ultrasound and physiological testing: a report of the American College of Cardiology Foundation Appropriate Use Criteria Task Force, American College of Radiology, American Institute of Ultrasound in Medicine, American Society of Echocardiography, American Society of Nephrology, Intersocietal Commission for the Accreditation of Vascular Laboratories, Society for Cardiovascular Angiography and Interventions, Society of Cardiovascular Computed Tomography, Society for Interventional Radiology, Society for Vascular Medicine, and Society for Vascular Surgery". J Vasc Surg. 56 (1): e17–51. doi:10.1016/j.jvs.2012.05.054. PMID 22694919. Unknown parameter |month= ignored (help)

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