Abstract
Background:
The reduction of muscle tissue after bariatric surgery (BS) can lead to surgical treatment failure and the lack of consensus for the diagnosis of sarcopenia results in different frequencies of sarcopenic obesity (SO), making its diagnosis difficult.
Methods:
This study compared, in a group of patients referred to BS, the prevalence of using different methods and the agreement between them. For the diagnosis of SO, the combination of low muscle strength, measured by dynamometry, and muscle mass reserve adjusted by the following parameters was used: body mass index (BMI), weight, and height. The kappa test was performed to analyze the agreement between the methods.
Results:
The prevalence of sarcopenia ranged from 0% to 2.1% with substantial agreement between the diagnostic methods of sarcopenia adjusted for BMI and weight (kappa: 0.662; p < 0.001).
Conclusion:
The lack of consensus on how to diagnose SO leads to uncertainty regarding the prevalence of this condition and makes it difficult to treat the individuals affected by it.
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