What's new in gastroenterology and hepatology from UpToDate

35% of UpToDate topics are updated every four months. The editors select a small number of the most important updates and share them via "What's new" page. I selected the brief excerpts below from What's new in gastroenterology and hepatology:

Hepatitis C virus (HCV) infection

Peginterferon alfa-2a was superior to peginterferon alfa-2b with regard to virologic response rates in patients with chronic hepatitis C virus infection, genotypes 1, 2, 3, or 4. Patients being treated for chronic hepatitis C virus infection should receive peginterferon alfa-2a rather than peginterferon alfa-2b.

72 weeks of therapy with peginterferon alfa-2a plus ribavirin in patients with HCV genotype 1 or 4 was not better than 48 weeks.

Chronic use of proton pump inhibitors (PPIs)

Chronic use of proton pump inhibitors (PPIs) may lead to an increased risk of fractures. FDA recommends that healthcare professionals who prescribe proton pump inhibitors should consider whether a lower dose or shorter duration of therapy would adequately treat the patient's condition.

Ulcerative colitis

Once daily dosing of delayed-release mesalamine (Asacol 400 mg tablets) 1.6 to 2.4 g/day was as effective as twice daily dosing for maintenance of clinical remission in patients with ulcerative colitis. Remission rates were 85% in both groups.

Crohn's disease

Capsule endoscopy was not a cost-effective third test for establishing the diagnosis of Crohn's disease after a negative ileocolonoscopy and either a CT enterography or small bowel follow-through x-ray.

Azathioprine in combination with infliximab or infliximab alone had a higher rate of glucocorticoid-free clinical remission than those treated with azathioprine alone. Combination therapy and infliximab monotherapy led to significantly more complete bowel healing than azathioprine alone.

Obscure gastrointestinal bleeding

Double balloon enteroscopy (DBE) detected bleeding sources in 78% of patients with obscure gastrointestinal bleeding. Small intestinal ulcers and erosions were the most common findings.

References:
What's new in gastroenterology and hepatology. UpToDate.

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