Conclusion The prevalence of sarcopenia depends mostly on the diagnostic cut-off points of different criteria .
Preoperative sarcopenia is a risk factor for both long-term and short-term outcomes
Background The impact of sarcopenia on the outcome of gastrointestinal ( GI ) oncological patients is still controversial .
We aim to discuss the prevalence of sarcopenia and its relation to the oncological outcome .
Impact of different sarcopenia stages on the postoperative outcomes after radical gastrectomy for gastric cancer
Background . The association between sarcopenia and postoperative outcomes has been well reported . However , the impact of different sarcopenia stages on postoperative outcomes has never been investigated . Methods . We conducted a large , prospect i ve study of patients who underwent radical gastrectomy for gastric cancer from August 2014 to December 2015 .  Sarcopenia was staged as “ presarcopenia , ” “ sarcopenia , ” and “ severe sarcopenia ” according to the definition of the European Working Group on Sarcopenia in Older People . Univariate and multivariate analyses evaluating the risk factors for total , surgical , and medical complications were performed . Results . A total of 470 patients were included , in which 20.6 % , 10 % , and 6.8 % of the patients were identified as having “ presarcopenia , ” “ sarcopenia , ” and “ severe sarcopenia  , ” respectively . Postoperative complications , duration of hospital stays , and costs increased with advancing sarcopenia stages . Severe sarcopenia , visceral fat area to total abdominal muscle area ratio , American Society of Anesthesiologists grade III , and tumor located at the cardia were independent risk factors for total complications . Visceral fat area to total abdominal muscle area ratio and tumor located at the cardia were independent risk factors for operative complications . Presarcopenia , sarcopenia , and severe sarcopenia were all identified as independent risk factors for medical complications , as well as age ≥75 years and Charlson Comorbidity Index . Conclusion . Patients had worse  postoperative outcomes after gastric cancer operation with advancing sarcopenia stages . Severe sarcopenia , but not presarcopenia or sarcopenia , was an independent risk factor for total postoperative complications . The 3 sarcopenia stages independently influence medical but not surgical complications . Recognizing sarcopenia stages is important for preoperative risk stratification
Conclusion The prevalence of sarcopenia depends mostly on the diagnostic cut-off points of different criteria .
Preoperative sarcopenia is a risk factor for both long-term and short-term outcomes
Background The impact of sarcopenia on the outcome of gastrointestinal ( GI ) oncological patients is still controversial .
We aim to discuss the prevalence of sarcopenia and its relation to the oncological outcome .