Skeletal-muscle index predicts survival after percutaneous transhepatic biliary drainage for obstructive jaundice due to perihilar cholangiocarcinoma

Surgical Endoscopy And Other Interventional Techniques - Tập 35 - Trang 6073-6080 - 2020
Jin-Xing Zhang1, Ye Ding2, Hai-Tao Yan1, Chun-Gao Zhou1, Jin Liu3, Sheng Liu1, Qing-Quan Zu1, Hai-Bin Shi1
1Department of Interventional Radiology, The First Affiliated Hospital with Nanjing Medical University, Nanjing, China
2Department of Maternal, Child, and Adolescent Health, School of Public Health, Nanjing Medical University, Nanjing, China
3Department of Clinical Medicine Research Institution, The First Affiliated Hospital With Nanjing Medical University, Nanjing, China

Tóm tắt

Sarcopenia is emerging as a prognostic factor in patients with malignant diseases. The prognostication of perihilar cholangiocarcinoma (PHC) with obstructive jaundice was complex, because these patients suffered compete mortality events beyond cancer itself. Our study was to investigate the association between low skeletal-muscle index and overall survival (OS) after percutaneous transhepatic biliary drainage (PTBD) for obstructive jaundice due to PHC. We performed a retrospective survival analysis of patients undergoing PTBD for PHC-related obstructive jaundice between January 2016 and March 2019. Using computed tomography, we measured skeletal-muscle mass at the third lumbar vertebra (L3) to obtain a skeletal-muscle index (SMI). Then, we compared OS between low- and high-SMI groups. Furthermore, factors that could potentially affect OS were assessed. One hundred and four patients (56 males; mean age 66 ± 12 years) were analyzed. Median OS after PTBD was 150 days. OS was shorter in patients with low SMI than in those with high SMI (median OS, 120 vs. 270 days; P < 0.001). Multivariate analysis indicated that low SMI (hazard ratio [HR] 3.46; 95% confidence interval [CI] 1.14–5.60; P < 0.001), intrahepatic metastasis (HR 2.98; 95% CI 1.89–4.69; P < 0.001) and elevated carbohydrate antigen (CA) 19–9 level (HR 1.00; 95% CI 1.00–1.00; P = 0.04) were significantly associated with OS. Low SMI was a predictor of dismal OS after PTBD for patients with PHC-related obstructive jaundice.

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