Low phase angle in hepatobiliary and pancreatic surgery inpatients and its impact on clinical outcomes: A cross-sectional study

作者：Jianyong Cui, Jin-Dong Ma, Xiao-Rong Liu, Zhi-Wei Liu, J. Zhang, Chun-Hui Zheng, Qiang Wei, Qiang-Pu Chen · 发表于：Medicine · 年份：2026 · DOI：10.1097/md.0000000000048379 · 研究领域：Body Composition Measurement Techniques、Nutrition and Health in Aging、Electrical and Bioimpedance Tomography

This study investigates abnormalities in bioimpedance phase angle (PA) among hepatobiliary and pancreatic surgery inpatients and analyzes their impact on clinical outcomes for surgical patients. A cross-sectional study method was employed to analyze general data, body mass index (BMI), grip strength, step speed, appendicular skeletal muscle index (ASMI), serology-related indices, body composition analysis, and NRS 2002 scores of hepatobiliary and pancreatic surgery inpatients admitted between December 2019 and September 2022. Comorbidity with sarcopenia was determined for each patient. Regarding PA, a bioelectrical impedance of <5.0° in men and <4.6° in women at 50 kHz was judged to be abnormal. The relationship between PA and sarcopenia and nutritional assessment indicators was examined with the help of univariate and multivariate logistic regression. A total of 1305 inpatients met the inclusion criteria, with 334 (25.59%) having a low phase angle. The PA abnormality rate was 6.57% for the participants under 60 years old, and 41.49% for those 60 or over. There were 349 patients with malignant disease and 956 with benign disease, and the rate of PA abnormalities in patients with malignant tumors was 28.94% and 24.37%. In 71 emaciated cases, 567 normal body masses, and 687 overweight body masses, the abnormal PA rates were 71.83%, 30.51%, and 16.01%, respectively. BMI, serum albumin level, hemoglobin level, NRS 2002 score, and age were identified as factors influencing PA (P <...