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目的：了解体位干预在预防和减少剖宫产术中仰卧位低血压综合征的作用。方法选择我院剖宫产术的产妇284例，随机分组，观察组在手术的不同时段采用不同的体位。对照组术中采用常规的平卧位。两组病人均监测血压、血氧饱和度、胎心率、临床症状和体征变化。结果观察组低血压等临床症状的发生率低于对照组，差异有统计学意义（P<0.01）。结论体位干预可以预防和减少手术中仰卧位低血压综合征的发生，提高手术安全，保证母婴平安。“,”Objective To investigate the role of postural intervention in the prevention and reduction of cesarean section supine hypotensive syndrome.Methods Choose 284 cases randomly, in observation group use the different position while use routine supine position in control group. Both of them were monitored blood pressure, oxygen saturation, fetal heart rate, clinical symptoms and signs of change.Result The incidence of hypotension and other clinical symptoms in observation group was lower than control group, the difference was statistically significant (P <0.01).Conclusion Postural intervention can prevent and reduce the incidence of surgical supine hypotensive syndrome, improve surgical safety and ensure maternal and child safety.