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【目的】研究加温膀胱冲洗液对经尿道前列腺电切术患者心率变异性的影响。【方法】选取硬膜外麻醉下行经尿道前列腺电切术（TURP）患者60例，随机分为膀胱冲洗液加温组（试验组）和不加温组（对照组）。分别观察记录两组患者在麻醉前（T0）、麻醉后15 min（T1）、前列腺电切开始后5 min（T2）、前列腺电切后开始后10 min（T3）、前列腺电切开始后15 min（T4）、切除前列腺结束后5 min（T5）的6个时段患者的心率变异性（HRV）、低频功率（1ow frequency ，LF）、高频功率（high frequency ，HF）、LF／HF值。【结果】在两组内， HRV 值T0与T1、T2、T3、T4比较差异有统计学意义（ P ＜00．5）；LF／HF、LF、HF值 T0与 T2、T3、T4比较差异有统计学意义（ P ＜00．5）；在两组间，T2、T3、T4时间点LF／HF、LF、HF相比较差异有统计学意义（ P＜00．5）。【结论】膀胱冲洗液加温可减轻TURP患者术中的 HRV的影响，减少循环系统并发症。“,”Objective]To investigate the effect of the warm urinary bladder irrigation fluid on heart rate variability(HRV) in patients transurethral resection of prostate(YURP) .[Methods]Sixty cases of epidural an‐esthesia in patients undergoing TURP were selected and divided into two groups :the experimental group (Ⅰgroup) as bladder irrigation fluid warming group and the control group (Ⅱ group) which was not warmed . Values of HRV ,low frequency power (LF) ,high frequency power (HF) ,LF /HF were observed and recor‐ded before anesthesia (T0 ) ,15min after anesthesia (T1 ) ,5min (T2 ) ,10min (T3 ) ,15min (T4 ) after TURP start and 5 minutes(T5 ) after excision[.Results]In the two groups ,the difference of HRV value was statisti‐cally significant at T0 ,T1 ,T2 ,T3 and T4 ( P <0 0.5) ,In the two groups ,the different HRV values were sta‐tistically significant at T0 ,T1 ,T2 ,T3 and T4 ( P <0 0.5);Values of LF/HF ,LF ,HF at T0 T2 ,T3 and T4 were compared ,the difference was statistically significant ( P <0 0.5);In the two groups ,LF/HF ,HF and LF at T3 ,T4 and T2 were compared ,the difference was statistically significant ( P <0 0.5)[.Conclusion]Blad‐der irrigation fluid warming can reduce the impact of HRV in patients with TURP and reduce the complica‐tions of the circulatory system .