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Bariatric Surgery Outcomes in Sarcopenic Obesity


Diego Mastino|Maud Robert|Cecile Betry|Martine Laville|Christian Gouillat|Emmanuel Disse.

OBES SURG DOI 10.1007/s11695-016-2102-7

BACKGROUND: Sarcopenic obesity is the combination of low muscle mass and strength with increased fat mass. This condition is associated with negative health outcomes. We hypothesized that sarcopenia could be a pejorative factor on surgical weight loss.

SUBJECTS /METHODS: Sixty-nine obese patients who benefited from bariatric surgery were included. Skeletal muscle mass was determined by the Janssen’s equation. Physical performance and muscle strength were determined using the 6-min walk test and the wall sit test. Obese subjects from the lowest tertile of the Skeletal Muscle mass Index (SMI) of Baumgartner were set as sarcopenic.

RESULTS: Weight loss outcomes and rate of weight loss failure were not influenced by sarcopenia. At 1 year, mean EBMIL% was 75.4 %± 5 in sarcopenic subjects vs 67.8 % ±4 in the non-sarcopenic subjects (p = 0.242). Improvement rates of co-morbidities were similar between groups. Skeletal muscle mass was no more different between groups at 1 year after surgery. There was no patient lost to follow-up.

CONCLUSION: Bariatric surgery remains effective in achieving weight loss target in sarcopenic patients, with similar remission rates of main comorbidities and similar safety profile than in the non-sarcopenic group. Whether bariatric surgery could result in improvement or deterioration of daily living activities disabilities and functional autonomy in sarcopenic obese patients still have to be evaluated.

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