MacKay H T, Schulz K F, Grimes D A
Obstet Gynecol. 1985 Nov;66(5):661-5.
In 1980, approximately 100,000 women underwent abortion by dilatation and evacuation between 13 and 24 weeks' gestation; an estimated 500 women experienced serious complications. The comparative safety of local versus general anesthesia for second-trimester dilatation and evacuation is unknown. To compare the serious complications (hemorrhage requiring transfusion, unintended major surgery, and a temperature of greater than or equal to 38 C for greater than three days), 4147 women who received general anesthesia and 5389 women who received local anesthesia at 13 centers in the United States from 1975 to 1978 were studied. Women who had a dilatation and evacuation abortion under general anesthesia had a relative risk of serious complications of 2.6 (95% confidence interval 1.4 to 4.9) compared with women who underwent dilatation and evacuation abortion under local anesthesia. Local anesthesia for second-trimester dilatation and evacuation appears to be both safer and less expensive than general anesthesia.
1980年，约10万名妇女在妊娠13至24周期间接受了扩张刮宫流产手术；据估计，有500名妇女出现了严重并发症。关于孕中期扩张刮宫流产手术采用局部麻醉与全身麻醉的相对安全性尚不清楚。为比较严重并发症（需要输血的出血、意外的大手术以及体温≥38摄氏度持续超过三天），对1975年至1978年期间在美国13个中心接受全身麻醉的4147名妇女和接受局部麻醉的5389名妇女进行了研究。与接受局部麻醉进行扩张刮宫流产手术的妇女相比，接受全身麻醉进行扩张刮宫流产手术的妇女出现严重并发症的相对风险为2.6（95%置信区间为1.4至4.9）。孕中期扩张刮宫流产手术采用局部麻醉似乎比全身麻醉更安全且成本更低。
