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Role of frailty and sarcopenia in predicting outcomes among patients undergoing gastrointestinal surgery

World Journal of Gastrointestinal Surgery 2016年第1期8卷 27-40页

作者： doris wagner mara mcadams demarco neda amini stefan buttner dorry segev faiz gani timothy m pawlik division of surgical oncology department of surgerythe johns hopkins hospitalbaltimoreMD 21287United States department of epidemiology the johns hopkins hospitalBaltimoreMD 21287United States

According to the United States census bureau 20% of Americans will be older than 65 years in 2030 and half of them will need an operation- equating to about 36 million older surgical patients. Older adults are prone to complications during gastrointestinal cancer treatment and therefore may need to undergo special pretreatment assessments that incorporate frailty and sarcopenia assessments. A focused, structured literature review on Pub Med and Google Scholar was performed to identify primary research articles, review articles, as well as practice guidelines on frailty and sarcopenia among patients undergoing gastrointestinal surgery. The initial search identified 450 articles; after eliminating duplicates, reports that did not include surgical patients, case series, as well as case reports, 42 publications on the impact of frailty and/or sarcopenia on outcome of patients undergoing gastrointestinal surgery were included. Frailty is defined as a clinically recognizable state of increased vulnerability to physiologic stressors resulting from aging. Frailty is associated with a decline in physiologic reserve and function across multiple physiologic systems. Sarcopenia is a syndrome characterized by progressive and generalized loss of skeletal muscle mass and strength. Unlike cachexia, which is typically associated with weight loss due to chemotherapy or a general malignancy-related cachexia syndrome, sarcopenia relates to muscle mass rather than simply weight. As such, while weight reflects nutritional status, sarcopenia- the loss of muscle mass- is a more accurate and quantitative global marker of frailty. While chronologic age is an important element in assessing a patient's peri-operative risk, physiologic age is a more important determinant of outcomes. Geriatric assessment tools are important components of the preoperative work-up and can help identify patients who suffer from frailty. Such data are important, as frailty and sarcopenia have repeatedly been demons

关键词： Sarcopenia Outcomes Frailty Morbidity Mortality

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