15 Jan, 2021

BYPASS VS. SLEEVE AND ITS EFFECTS IN NON-ALCOHOLIC FATTY LIVER DISEASE: WHAT IS THE BEST TECHNIQUE?

Marcos Bertozzi GOLDONI
Paulo Roberto Ott FONTES
Marcela Menuci GUIMARÃES
João Alfredo DIEDRICH-NETO
Tiele NOGUEIRA
Uirá Fernandes TEIXEIRA
Caroline Becker GIACOMAZZI
Guillermo KISS
Sérgio Ricardo PIONER
Pablo Duarte RODRIGUES
DOI: 10.1590/0102-672020200003e1549
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Background:

Strongly associated with obesity, non-alcoholic fatty liver disease is considered the hepatic manifestation of the metabolic syndrome. It presents as simple steatosis and steatohepatitis, which can progress to cirrhosis and its complications. Among the therapeutic alternatives is bariatric surgery.

Aim:

To compare the effect of the two most frequent bariatric procedures (sleeve and bypass) on liver disease regarding to epidemiological, demographic, clinical and laboratory parameters.

Methods:

The results of intraoperative and 12 months after surgery liver biopsies were used. The NAFLD activity score (NAS) was used to assess and compare the stages of liver disease.

Results:

Sixteen (66.7%) patients underwent Bypass procedure and eight (33.3%) Sleeve. It was observed that the variation in the NAFLD activity score was significantly greater in the Bypass group than in Sleeve (p=0.028) and there was a trend regarding the variation in fibrosis (p=0.054).

Conclusion:

Both surgical techniques were effective in improving the hepatic histology of most operated patients. When comparing sleeve and bypass groups, bypass showed better results, according to the NAS score.


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