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{{Peptic ulcer}}
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==Overview==
==Overview==
*Etiological classification of peptic ulcers:<ref name="pmid19683340">{{cite journal| author=Malfertheiner P, Chan FK, McColl KE| title=Peptic ulcer disease. | journal=Lancet | year= 2009 | volume= 374 | issue= 9699 | pages= 1449-61 | pmid=19683340 | doi=10.1016/S0140-6736(09)60938-7 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=19683340  }} </ref>
There is no specific diagnostic laboratory test for [[peptic ulcer disease]] but in the patient with the history of [[peptic ulcer disease]], the laboratory test is used to rule out [[bleeding]] and to document the status of eradication therapy and to test refractory [[ulcers]].
**Positive for Helicobacter pylori infection.
**Drug NSAID-induced.
**H pylori and NSAIDs positive.
**H pylori and NSAIDs negative (requires search for other causes).
*Approach of patients <55 years, depending of the Helicobacter pylori (H. pylori) prevalence (≥10%):<ref name="pmid16181387">{{cite journal| author=Talley NJ, Vakil N, Practice Parameters Committee of the American College of Gastroenterology| title=Guidelines for the management of dyspepsia. | journal=Am J Gastroenterol | year= 2005 | volume= 100 | issue= 10 | pages= 2324-37 | pmid=16181387 | doi=10.1111/j.1572-0241.2005.00225.x | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=16181387  }} </ref>
**Test and treat for H. pylori using a validated noninvasive test and a trial of acid suppression if eradication is successful but symptoms do not resolve '''OR'''
**Empiric trial of acid suppression with a proton pump inhibitor (PPI) for 4-8 weeks.  


==Laboratory Findings==
==Initial Laboratory Studies==
The methods of diagnostic testing for ''[[Helicobacter pylori]]'' can be classified into those that do and those that do not require endoscopy:<ref name="pmid17608775">{{cite journal| author=Chey WD, Wong BC, Practice Parameters Committee of the American College of Gastroenterology| title=American College of Gastroenterology guideline on the management of Helicobacter pylori infection. | journal=Am J Gastroenterol | year= 2007 | volume= 102 | issue= 8 | pages= 1808-25 | pmid=17608775 | doi=10.1111/j.1572-0241.2007.01393.x | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17608775  }} </ref>
*There are no diagnostic laboratory findings associated with [[peptic ulcer disease]]
*Breath testing (does not require EGD);*Direct culture from an EGD biopsy specimen;
*If there is the history of [[peptic ulcer disease]] then following laboratory test are done:<ref name="pmid10086037">{{cite journal |vauthors=Graham DY, Rakel RE, Fendrick AM, Go MF, Marshall BJ, Peura DA, Scherger JE |title=Recognizing peptic ulcer disease. Keys to clinical and laboratory diagnosis |journal=Postgrad Med |volume=105 |issue=3 |pages=113–6, 121–3, 127–8 passim |year=1999 |pmid=10086037 |doi=10.3810/pgm.1999.03.594 |url=}}</ref><ref name="pmid2216988">{{cite journal |vauthors=Rosen SD, Rogers AI |title=Clinical recognition and evaluation of peptic ulcer disease |journal=Postgrad Med |volume=88 |issue=5 |pages=42–7,51,55 |year=1990 |pmid=2216988 |doi= |url=}}</ref><ref name="pmid25955624">{{cite journal |vauthors=Fashner J, Gitu AC |title=Diagnosis and Treatment of Peptic Ulcer Disease and H. pylori Infection |journal=Am Fam Physician |volume=91 |issue=4 |pages=236–42 |year=2015 |pmid=25955624 |doi= |url=}}</ref><ref name="pmid100860372">{{cite journal |vauthors=Graham DY, Rakel RE, Fendrick AM, Go MF, Marshall BJ, Peura DA, Scherger JE |title=Recognizing peptic ulcer disease. Keys to clinical and laboratory diagnosis |journal=Postgrad Med |volume=105 |issue=3 |pages=113–6, 121–3, 127–8 passim |year=1999 |pmid=10086037 |doi=10.3810/pgm.1999.03.594 |url=}}</ref><ref name="pmid26354049">{{cite journal |vauthors=Chung CS, Chiang TH, Lee YC |title=A systematic approach for the diagnosis and treatment of idiopathic peptic ulcers |journal=Korean J. Intern. Med. |volume=30 |issue=5 |pages=559–70 |year=2015 |pmid=26354049 |pmc=4578017 |doi=10.3904/kjim.2015.30.5.559 |url=}}</ref><ref name="pmid21263414">{{cite journal |vauthors=Mehmedović-Redzepović A, Mesihović R, Prnjavorac B, Kulo A, Merlina K |title=Hematologic and laboratory parameters in patientis with peptic ulcer bleeding treated by two modalities of endoscopic haemostasis and proton pump inhibitors |journal=Med Glas (Zenica) |volume=8 |issue=1 |pages=151–7 |year=2011 |pmid=21263414 |doi= |url=}}</ref>
*Direct detection of [[urease]] activity in a biopsy specimen;
**[[Complete blood count]]
*Measurement of [[antibody]] levels in [[blood]] (does not require EGD). It is still somewhat controversial whether a positive antibody without EGD is enough to warrant eradication therapy.
**[[Liver function tests]]
 
**Serum [[lipase]] and [[amylase]]
The possibility of other causes of ulcers, notably [[malignancy]] ([[gastric cancer]]) needs to be kept in mind. This is especially true in ulcers of the ''greater (large) curvature'' of the [[stomach]]; most are also a consequence of chronic ''H. pylori''infection.
**[[Iron]] studies
**Some patients with [[Peptic ulcer disease]] may have reduced serum [[ferritin]], which is usually suggestive of [[bleeding]] which requires further [[endoscopy]] to rule out [[bleeding]]
'''Patient with a family history of peptic ulcer or there is history of refractory ulcer to treatment''' :
*A fasting serum [[gastrin]] level can be done to screen for [[Zollinger-Ellison syndrome]]
*If the diagnosis of Zollinger-Ellison syndrome cannot be made on the basis of the serum gastrin level, then next step is to measure  [[secretin]] stimulation test
'''Following test can be done to document the residual infection after eradication therapy''':<ref name="pmid23551920">{{cite journal |vauthors=Korkmaz H, Kesli R, Karabagli P, Terzi Y |title=Comparison of the diagnostic accuracy of five different stool antigen tests for the diagnosis of Helicobacter pylori infection |journal=Helicobacter |volume=18 |issue=5 |pages=384–91 |year=2013 |pmid=23551920 |doi=10.1111/hel.12053 |url=}}</ref><ref name="pmid11922552">{{cite journal |vauthors=Odaka T, Yamaguchi T, Koyama H, Saisho H, Nomura F |title=Evaluation of the Helicobacter pylori stool antigen test for monitoring eradication therapy |journal=Am. J. Gastroenterol. |volume=97 |issue=3 |pages=594–9 |year=2002 |pmid=11922552 |doi=10.1111/j.1572-0241.2002.05535.x |url=}}</ref><ref name="pmid21264478">{{cite journal |vauthors=Shimoyama T, Sawaya M, Ishiguro A, Hanabata N, Yoshimura T, Fukuda S |title=Applicability of a rapid stool antigen test, using monoclonal antibody to catalase, for the management of Helicobacter pylori infection |journal=J. Gastroenterol. |volume=46 |issue=4 |pages=487–91 |year=2011 |pmid=21264478 |doi=10.1007/s00535-011-0371-4 |url=}}</ref><ref name="pmid16091438">{{cite journal |vauthors=Erzin Y, Altun S, Dobrucali A, Aslan M, Erdamar S, Dirican A, Kocazeybek B |title=Evaluation of two enzyme immunoassays for detecting Helicobacter pylori in stool specimens of dyspeptic patients after eradication therapy |journal=J. Med. Microbiol. |volume=54 |issue=Pt 9 |pages=863–6 |year=2005 |pmid=16091438 |doi=10.1099/jmm.0.45914-0 |url=}}</ref><ref name="pmid15545164">{{cite journal |vauthors=Asfeldt AM, Løchen ML, Straume B, Steigen SE, Florholmen J, Goll R, Nestegard O, Paulssen EJ |title=Accuracy of a monoclonal antibody-based stool antigen test in the diagnosis of Helicobacter pylori infection |journal=Scand. J. Gastroenterol. |volume=39 |issue=11 |pages=1073–7 |year=2004 |pmid=15545164 |doi=10.1080/00365520410007944 |url=}}</ref>
*[[Urea breath test]] (carbon 13) tests: This is used to document eradication therapy  and should be performed four to six weeks after completion of eradication therapy
**[[Urea breath test]] require the ingestion of [[urea]] labeled with the nonradioactive isotope carbon 13 or carbon 14
**[[Proton pump inhibitor|Proton pump inhibitors]] (PPIs) should be stopped for  two weeks before the test 
*Stool monoclonal antigen tests-This detect  active [[infection]] and can be used as a test of cure
**PPIs should be stopped for two weeks before testing
**This can be done by following methods:
***[[Enzyme immunoassay]]
***Immunochromatography
***[[Antibody tests]]


==References==
==References==
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{{reflist|2}}
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Latest revision as of 23:37, 29 July 2020

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2017 ACG Guidelines for Peptic Ulcer Disease

Guidelines for the Indications to Test for, and to Treat, H. pylori Infection

Guidelines for First line Treatment Strategies of Peptic Ulcer Disease for Providers in North America

Guidlines for factors that predict the successful eradication when treating H. pylori infection

Guidelines to document H. pylori antimicrobial resistance in the North America

Guidelines for evaluation and testing of H. pylori antibiotic resistance

Guidelines for when to test for treatment success after H. pylori eradication therapy

Guidelines for penicillin allergy in patients with H. pylori infection

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Manpreet Kaur, MD [2] Guillermo Rodriguez Nava, M.D. [3]

Overview

There is no specific diagnostic laboratory test for peptic ulcer disease but in the patient with the history of peptic ulcer disease, the laboratory test is used to rule out bleeding and to document the status of eradication therapy and to test refractory ulcers.

Initial Laboratory Studies

Patient with a family history of peptic ulcer or there is history of refractory ulcer to treatment :

  • A fasting serum gastrin level can be done to screen for Zollinger-Ellison syndrome
  • If the diagnosis of Zollinger-Ellison syndrome cannot be made on the basis of the serum gastrin level, then next step is to measure secretin stimulation test

Following test can be done to document the residual infection after eradication therapy:[7][8][9][10][11]

  • Urea breath test (carbon 13) tests: This is used to document eradication therapy and should be performed four to six weeks after completion of eradication therapy
  • Stool monoclonal antigen tests-This detect active infection and can be used as a test of cure

References

  1. Graham DY, Rakel RE, Fendrick AM, Go MF, Marshall BJ, Peura DA, Scherger JE (1999). "Recognizing peptic ulcer disease. Keys to clinical and laboratory diagnosis". Postgrad Med. 105 (3): 113–6, 121–3, 127–8 passim. doi:10.3810/pgm.1999.03.594. PMID 10086037.
  2. Rosen SD, Rogers AI (1990). "Clinical recognition and evaluation of peptic ulcer disease". Postgrad Med. 88 (5): 42–7, 51, 55. PMID 2216988.
  3. Fashner J, Gitu AC (2015). "Diagnosis and Treatment of Peptic Ulcer Disease and H. pylori Infection". Am Fam Physician. 91 (4): 236–42. PMID 25955624.
  4. Graham DY, Rakel RE, Fendrick AM, Go MF, Marshall BJ, Peura DA, Scherger JE (1999). "Recognizing peptic ulcer disease. Keys to clinical and laboratory diagnosis". Postgrad Med. 105 (3): 113–6, 121–3, 127–8 passim. doi:10.3810/pgm.1999.03.594. PMID 10086037.
  5. Chung CS, Chiang TH, Lee YC (2015). "A systematic approach for the diagnosis and treatment of idiopathic peptic ulcers". Korean J. Intern. Med. 30 (5): 559–70. doi:10.3904/kjim.2015.30.5.559. PMC 4578017. PMID 26354049.
  6. Mehmedović-Redzepović A, Mesihović R, Prnjavorac B, Kulo A, Merlina K (2011). "Hematologic and laboratory parameters in patientis with peptic ulcer bleeding treated by two modalities of endoscopic haemostasis and proton pump inhibitors". Med Glas (Zenica). 8 (1): 151–7. PMID 21263414.
  7. Korkmaz H, Kesli R, Karabagli P, Terzi Y (2013). "Comparison of the diagnostic accuracy of five different stool antigen tests for the diagnosis of Helicobacter pylori infection". Helicobacter. 18 (5): 384–91. doi:10.1111/hel.12053. PMID 23551920.
  8. Odaka T, Yamaguchi T, Koyama H, Saisho H, Nomura F (2002). "Evaluation of the Helicobacter pylori stool antigen test for monitoring eradication therapy". Am. J. Gastroenterol. 97 (3): 594–9. doi:10.1111/j.1572-0241.2002.05535.x. PMID 11922552.
  9. Shimoyama T, Sawaya M, Ishiguro A, Hanabata N, Yoshimura T, Fukuda S (2011). "Applicability of a rapid stool antigen test, using monoclonal antibody to catalase, for the management of Helicobacter pylori infection". J. Gastroenterol. 46 (4): 487–91. doi:10.1007/s00535-011-0371-4. PMID 21264478.
  10. Erzin Y, Altun S, Dobrucali A, Aslan M, Erdamar S, Dirican A, Kocazeybek B (2005). "Evaluation of two enzyme immunoassays for detecting Helicobacter pylori in stool specimens of dyspeptic patients after eradication therapy". J. Med. Microbiol. 54 (Pt 9): 863–6. doi:10.1099/jmm.0.45914-0. PMID 16091438.
  11. Asfeldt AM, Løchen ML, Straume B, Steigen SE, Florholmen J, Goll R, Nestegard O, Paulssen EJ (2004). "Accuracy of a monoclonal antibody-based stool antigen test in the diagnosis of Helicobacter pylori infection". Scand. J. Gastroenterol. 39 (11): 1073–7. doi:10.1080/00365520410007944. PMID 15545164.

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