英语学习-剖宫产用药指南.pptVIP

Cesarean delivery procedures Content Background Organisms Efficacy Choice of agent Timing Duration Recommendation Background Approximately 1.2 million infants are born by cesarean delivery in the United States annually.The infection rate after cesarean delivery has been reported to be 4–15%, though recent NHSN data showed an infection rate of 2–4%. Postpartum infectious complications are common after cesarean delivery. Endometritis (infection of the uterine lining) is usually identified by fever, malaise, tachycardia, abdominal pain, uterine tenderness, and sometimes abnormal or foul-smelling lochia. Fever may also be the only symptom of endometritis. cesarean adj. 剖腹产的； n. 剖腹产 Postpartum adj. 产后的 adv. 在产后 Endometritis n. [妇产] 子宫内膜炎 uterine adj. 子宫的；同母异父的 malaise n. 不舒服；心神不安 tachycardia n. [内科] 心动过速；心跳过速 lochia n. 恶露；产褥排泄物 Background Endometritis has been reported to occur in up to 24% of patients in elective cesarean delivery and up to approximately 60% of patients undergoing nonelective or emergency section. Risk factors for endometritis include cesarean delivery, prolonged rupture of membranes, prolonged labor with multiple vaginal examinations, intrapartum fever, and low socioeconomic status. Patients with low socioeconomic status may have received inadequate prenatal care. prolonged rupture of membranes 延迟破膜 vaginal adj. 阴道的；叶鞘的 intrapartum adj. 分娩期的 Background The factor most frequently associated with infectious morbidity in postcesarean delivery is prolonged labor in the presence of ruptured membranes. Intact chorioamniotic membranes serve as a protective barrier against bacterial infection. Rupture of the membrane exposes the uterine surface to bacteria from the birth canal. The vaginal fluid with bacterial flora is drawn into the uterus when it relaxes between contractions during labor. Women undergoing labor for more than six to eight hours in the presence of rupture