SUMMARY ObjectiveTo determine whether antiplatelet agents are associated with endoscopic sphincterotomy-related haemorrhage as few well-controlled data exist on this controversial issue. MethodsA case-control study in a tertiary care setting included cases with bleeding following endoscopic sphincterotomy, matched with 2-3 controls selected according to age AE 15 years, sex, and procedural date AE 2 years. Cases and controls were compared for possible risk factors of postendoscopic sphincterotomy bleeding (presence of a coagulopathy and cholangitis). The main outcome measurement was the association between the use of antiplatelet medications and postendoscopic sphincterotomy bleeding after adjustment for possible confounding. ResultsThe 40 cases [mean age 68 AE 17 (s.d.) years, 50% female] and 86 controls [68 AE 16 years, 50% female] were comparable except for differences noted in International Normalized Ratio (INR) (>2 in four cases vs. two controls), and pre-endoscopic sphincterotomy cholangitis (45% vs. 20%). Amongst cases, 13% were on aspirin and 3% on clopidogrel; 17% of controls took aspirin, and 4% a non-steroidal anti-inflammatory drug. 53% of cases bled immediately; the remainder haemorrhaged at 2 AE 3 days. After adjustment for an elevated INR and cholangitis, exposure to antiplatelet agents was not significantly associated with procedure-related bleeding (odds ratio ¼ 0.41, 95% CI [ 0.13; 1.31]). ConclusionThis case-control study provides controlled data suggesting that antiplatelet agents do not significantly increase the risk of clinicallyimportant bleeding related to endoscopic sphincterotomy. The low prevalences of non-steroidal anti-inflammatory drugs and clopidogrel use limit any definite conclusion on their elective use before endoscopic sphincterotomy.
Background/Aim:A large number of diseases are ascribed to Helicobacter pylori (H. pylori), particularly chronic active gastritis, peptic ulcer disease and gastric cancer. Successful treatment of H. pylori infection with antimicrobial agents can lead to regression of H. pylori–associated disorders. Antibiotic resistance against H. pylori is increasing, and it is necessary to find new effective agents. Nigella sativa seed (NS), a commonly used herb, possesses in vitro anti-helicobacter activity. The present study was undertaken to evaluate the efficacy of NS in eradication of H. pylori infection in non-ulcer dyspeptic patients.Materials and Methods:The study was conducted on 88 adult patients attending King Fahd Hospital of the University, Al-Khobar, Saudi Arabia, from 2007 to 2008, with dyspeptic symptoms and found positive for H. pylori infection by histopathology and urease test. Patients were randomly assigned to four groups, receiving i) triple therapy (TT) comprising of clarithromycin, amoxicillin, omeprazole [n= 23], ii) 1 g NS + 40 mg omeprazole (OM) [n= 21], iii) 2 g NS + OM [n= 21] or iv) 3 g NS + OM [n= 23]. Negative H. pylori stool antigen test four weeks after end of treatment was considered as eradication.Results:H. pylori eradication was 82.6, 47.6, 66.7 and 47.8% with TT, 1 g NS, 2 g NS and 3 g NS, respectively. Eradication rates with 2 g NS and TT were statistically not different from each other, whereas H. pylori eradication with other doses was significantly less than that with TT (P < 0.05). Dyspepsia symptoms improved in all groups to a similar extent.Conclusions:N. sativa seeds possess clinically useful anti-H. pylori activity, comparable to triple therapy. Further clinical studies combining N. sativa with antibiotics are suggested.
SUMMARY BackgroundInappropriate use of intravenous proton pump inhibitors is prevalent.
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