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===Diagnostic testing===
The American Journal of Gastroenterology guidelines recommend that '''endoscopy''' should be performed to rule out [[peptic ulcer disease]], esophagogastric [[malignancy]], and other rare upper gastrointestinal tract disease in the following settings:
* [[Dyspeptic]] patients <u>more than 55 years old</u> {{or2}}
* [[Dyspeptic]] patients with <u>alarm features</u>
:* [[Bleeding]]
:* [[Anemia]]
:* [[Early satiety]]
:* Unexplained [[weight loss]] (> 10% body weight)
:* Progressive [[dysphagia]]
:* [[Odynophagia]]
:* Persistent [[vomiting]]
:* A family history of gastrointestinal cancer
:* Previous esophagogastric [[malignancy]]
:* Previous documented [[peptic ulcer]], [[lymphadenopathy]], or an abdominal mass
In patients aged 55 years or younger with no alarm features, two management options may be considered:
* '''Test-and-treat strategy''' using a validated noninvasive test (urea breathing test or stool antigen test) for ''[[H. pylori]]'' and a trial of acid suppression if eradication is successful but symptoms do not resolve – preferable in populations with a moderate to high prevalence of ''[[H. pylori]]'' infection (≥ 10%)
* '''Empiric trial of acid suppression''' with a [[proton pump inhibitor]] for 4–8 weeks – preferable in low prevalence situations
Repeat [[endoscopy]] is not recommended once a firm diagnosis of functional [[dyspepsia]] has been established, unless new symptoms or alarm features develop.<ref>{{Cite journal| doi = 10.1111/j.1572-0241.2005.00225.x| issn = 0002-9270| volume = 100| issue = 10| pages = 2324–2337| last1 = Talley| first1 = Nicholas J.| last2 = Vakil| first2 = Nimish| last3 = Practice Parameters Committee of the American College of Gastroenterology| title = Guidelines for the management of dyspepsia| journal = The American Journal of Gastroenterology| date = 2005-10| pmid = 16181387}}</ref>  Testing to prove ''[[H. pylori]]'' eradication is most accurate if performed 4 weeks after the completion of therapy.<ref>{{Cite journal| doi = 10.1136/gutjnl-2012-302084| issn = 1468-3288| volume = 61| issue = 5| pages = 646–664| last1 = Malfertheiner| first1 = Peter| last2 = Megraud| first2 = Francis| last3 = O'Morain| first3 = Colm A.| last4 = Atherton| first4 = John| last5 = Axon| first5 = Anthony T. R.| last6 = Bazzoli| first6 = Franco| last7 = Gensini| first7 = Gian Franco| last8 = Gisbert| first8 = Javier P.| last9 = Graham| first9 = David Y.| last10 = Rokkas| first10 = Theodore| last11 = El-Omar| first11 = Emad M.| last12 = Kuipers| first12 = Ernst J.| last13 = European Helicobacter Study Group| title = Management of Helicobacter pylori infection--the Maastricht IV/ Florence Consensus Report| journal = Gut| date = 2012-05| pmid = 22491499}}</ref>

Revision as of 20:42, 27 October 2017

The ACG’s 2007 treatment guideline on the management of H. pylori infection (26) listed the following as established indications for diagnosis and treatment:

Active PUD (gastric or duodenal).

Confirmed history of PUD (not previously treated for H. pylori)

Gastric MALT lymphoma (low grade).

After endoscopic resection of EGC.

Recommenend first line treatment for Helicobacter pylori

Regimen Drug dose Dosing frequency Duration(days) FDA approval
Clarithromycin triple PPI(standard or double dose

Clarithromycin(500mg)

Amoxicillin(1gm)or Metronidazole(500mg TID)

BID 14 days YES
Bismuth Quadruple PPI(standard dose)

Bismuth subcitrate (120-300mg)or Subsalicylate (300mg)

Tetracyclin(500mg)

Metronidazole(250-500mg)

BID

QID

QID

TID to QID (500mg)

10-14 days NO
Concomitant PPI (standard dose)

Clarithromycin (500mg)

Amoxicillin(1gm)

Nitroimidazole(500mg)

BID 10 -14 days NO
Sequential PPI(standard dose)+Amoxicillin(1gm)

PPI,Clarithromycin(500mg)+Nitroimidazole(500mg)

BID

BID

5-7 days

5-7 days

NO
Hybrid PPI(standard)+Amoxicillin(1gm)

PPI,Amoxicillin,Clarithromycin(500mg),Nitroimidazole(500mg)

BID

BID

7 days

7 days

NO
Levofloxacin triple PPI(standard dose)

Levofloxacin(500mg)

Amoxicillin(1gm)

BID

QID

BID

10-14 days NO
Levofloxacin sequential PPI(standard or double dose)+Amoxicillin(1 gm)

PPI,Amoxicillin,Levofloxacin(500mg QD),Nitroimidazole(500mg)

BID

BID

5-7 days NO
LOAD Levofloxacin(250mg)

PPI(double dose)

Nitazoxanide(500mg)

Doxycycline(100mg)

QD

QD

BID

QD

7-10 days NO

: Several PPI,Clarithromycin and Amoxicillin combination have achieved FDA approval ,PPI,Clarithromycin,Metronidazole is not an FDA approved treatment regimen.

‡: PPI,Bismuth,Tetracycline and metronidazole precribed separately is not an FDA approval treatment regimen .However ,Pylera,a combination product conataining Bismuth subcitrate,Tetracycline ,Metronidazole combination with PPi for 10 days is an FDA approved regimen.

Adjuvant therapy in the treatment of H. pylori infection:

Emerging evidence suggests an inhibitory effect of Lactobacillus and Bifidobacterium species on H. pylori. Furthermore, these probiotic strains may also help to reduce the side effects of eradication therapies and improve compliance with therapy.

Selection of firstline Treatment

 
 
 
 
 
 
 
 
•Is there a penicillin (PCN) allergy?
•Previous macrolide (MCL) exposure for any reason ?
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
•PCN allergy: No
•MCL exposure: No
 
 
•PCN allergy: No
•MCL exposure: Yes
 
•PCN allergy: Yes
•MCL exposure: No
 
•PCN allergy: Yes
•MCL exposure: Yes
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Recomended treatment:
•Bismuth quadruple
•Clarithromycin triple with amoxicillin
Other options:
•Sequential
•HYBRID
•Levofloxacin triple
•Levofloxacin sequential
•LOAD
 
 
Recomended treatment:
•Bismuth quadruple
•Levofloxacin sequential
Other options:
•Concomitant therapy
•Sequential therapy
• HYBRID
•LOAD
 
Recomended treatment:
•Bismuth quadruple
•Clarithromycin triple
with metronidazole
•Bismuth quadruple
 
Recomended treatment:
•Bismuth quadruple
•Clarithromycin triple with metronidazole
•Bismuth quadruple


 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Persistent Helicobacter pylori infection
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Patient recieved clarithromycin triple therapy
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Patient received Bismuth quadriple therapy
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
{{{ C01 }}}
 
{{{ C02 }}}
 
 
 
{{{ C03 }}}
 
{{{ C04 }}}
 
{{{ C05 }}}
 
{{{ C06 }}}
 
 
 
{{{ C07 }}}
 
{{{ C08 }}}


Diagnostic testing

The American Journal of Gastroenterology guidelines recommend that endoscopy should be performed to rule out peptic ulcer disease, esophagogastric malignancy, and other rare upper gastrointestinal tract disease in the following settings:

In patients aged 55 years or younger with no alarm features, two management options may be considered:

  • Test-and-treat strategy using a validated noninvasive test (urea breathing test or stool antigen test) for H. pylori and a trial of acid suppression if eradication is successful but symptoms do not resolve – preferable in populations with a moderate to high prevalence of H. pylori infection (≥ 10%)
  • Empiric trial of acid suppression with a proton pump inhibitor for 4–8 weeks – preferable in low prevalence situations

Repeat endoscopy is not recommended once a firm diagnosis of functional dyspepsia has been established, unless new symptoms or alarm features develop.[1] Testing to prove H. pylori eradication is most accurate if performed 4 weeks after the completion of therapy.[2]

  1. Talley, Nicholas J.; Vakil, Nimish; Practice Parameters Committee of the American College of Gastroenterology (2005-10). "Guidelines for the management of dyspepsia". The American Journal of Gastroenterology. 100 (10): 2324–2337. doi:10.1111/j.1572-0241.2005.00225.x. ISSN 0002-9270. PMID 16181387. Check date values in: |date= (help)
  2. Malfertheiner, Peter; Megraud, Francis; O'Morain, Colm A.; Atherton, John; Axon, Anthony T. R.; Bazzoli, Franco; Gensini, Gian Franco; Gisbert, Javier P.; Graham, David Y.; Rokkas, Theodore; El-Omar, Emad M.; Kuipers, Ernst J.; European Helicobacter Study Group (2012-05). "Management of Helicobacter pylori infection--the Maastricht IV/ Florence Consensus Report". Gut. 61 (5): 646–664. doi:10.1136/gutjnl-2012-302084. ISSN 1468-3288. PMID 22491499. Check date values in: |date= (help)