Effect of Bariatric Surgery on Liver Fibrosis.
Summary of "Effect of Bariatric Surgery on Liver Fibrosis."
Although bariatric surgery has been shown to improve hepatic steatosis in morbidly obese patients, the effect of weight loss on hepatic fibrosis has not been determined. Since the prognosis of patients with nonalcoholic fatty liver disease is closely related to the development of hepatic fibrosis, it is important to determine the hepatic histology of these patients after weight loss. We therefore evaluated the prevalence of hepatic fibrosis in morbidly obese patients undergoing bariatric surgery and assessed the correlation of histologic changes with weight loss.
We retrospectively evaluated 78 morbidly obese patients who underwent gastric bypass. Liver biopsies were taken during surgery and after weight loss, and the correlations between histologic findings and hepatic fibrosis were determined.
Of the 78 patients, 35 (44.8%) had fibrosis at first biopsy, and 24 (30.8%) had hepatic fibrosis after weight loss, including 19 of the 35 patients (54.3%) with fibrosis at first biopsy and 5 of the 43 (11.6%) without hepatic fibrosis at first biopsy (P = 0.027).
Weight loss in morbidly obese patients was associated with a reduction in the prevalence of hepatic fibrosis.
Centro da Obesidade e Síndrome Metabólica do Hospital São Lucas, Pontifícia Universidade Católica do Rio Grande do Sul, Av. Ipiranga 6690/302, 90610-000, Porto Alegre, Brazil, email@example.com.
This article was published in the following journal.
Name: Obesity surgery
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/22108808
- DOI: http://dx.doi.org/10.1007/s11695-011-0559-y
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Medical and Biotech [MESH] Definitions
Surgical procedures aimed at producing major WEIGHT REDUCTION in patients with MORBID OBESITY.
Liver disease lasting six months or more, caused by an adverse drug effect. The adverse effect may result from a direct toxic effect of a drug or metabolite, or an idiosyncratic response to a drug or metabolite.
Activities related to WEIGHT REDUCTION in patients with OBESITY. Treatment methods include DIET; EXERCISE; BEHAVIOR MODIFICATION; medications; and BARIATRIC SURGERY.
FIBROSIS of the hepatic parenchyma due to chronic excess ALCOHOL DRINKING.
An effect usually, but not necessarily, beneficial that is attributable to an expectation that the regimen will have an effect, i.e., the effect is due to the power of suggestion.