08 July 2016 : Clinical Research
Impact of Combination Epidural and General Anesthesia on the Long-Term Survival of Gastric Cancer Patients: A Retrospective Study
Jiangling WangABCDEF, Wenjing GuoABD, Qicheng WuBCD, Runze ZhangBD, Jun FangACDEDOI: 10.12659/MSM.899543
Med Sci Monit 2016; 22:2379-2385
Abstract
BACKGROUND: Whether regional anesthesia is associated with tumor-free and long-term survival is controversial. Here, we focused on whether epidural anesthesia affects the long-term survival of gastric cancer patients after surgery.
MATERIAL AND METHODS: We obtained the records of 273 patients undergoing gastric cancer surgery between August 2006 and December 2010. All patients received elective surgery, and the end-point was death. The general anesthesia group comprised 116 patients and the epidural-supplemented group comprised 157 patients. The results were analyzed using a multivariable model to determine the relationship between epidural use and long-term survival.
RESULTS: No obvious association was detected between epidural use and long-term survival according to the Cox model (P=0.522); the adjusted estimated hazard ratio was 0.919 (95% CI 0.71–1.19). However, according to Kaplan-Meier analysis, epidural anesthesia was associated with long-term survival among younger patients (age up to 64) (p=0.042, log-rank) (but not among older patients (p=0.203, log-rank). A lower American Society of Anesthesiologists (ASA) class and less chemoradiotherapy exposure were also associated with a longer survival. However, advanced tumor stage still has a significant negative impact on survival.
CONCLUSIONS: No obvious difference was detected between the 2 anesthesia groups, but younger patients may benefit from epidural anesthesia.
Keywords: Anesthesia, Caudal, Survivors
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