产褥感染(英文).pptVIP

Puerperal Infection UNION HOSPITAL Min Jie Definition Puerperal Infection: Puerperal Infection is defined as all infections originating in the female genital tract subsequent to parturition ? Puerperal Morbidity: Puerperal morbidity is defined as temperature of 38℃ or higher on any 2 of the first 10 days postpartum exclusive of the initial 24 hours and to be taken by mouth with a standard technique at least four times daily ? Puerperal Infection is a conspicuous determinant of puerperal disability Nowadays it still ranked as the prime cause of maternal mortality in the country Etiology ? 1.Predisposing Factors: (1)Delivery,special in obstatric manipulation,prolnged labor (2)Premature rupture of membrane (3)Multiple pelvic examination (4)Chorioamnionitis (5)Postpartum hemorrage (6)Traumas of genital tract during labor ? 2.Organisms involved puerperal infection: (1)?Aerobicβ-hemolytic treptococci it is the major infective agent introduceted from outside resulting in puerperal infection. it can produce extratoxin, resulting in severe infection and septicemia. ? Clinic feature: Pyrexia of as much as 38℃ in early phase Chills Rapid pulse rate Abdominal distension Delayed involution of uterus Tenderness in the position of uterus and uterine adnexia ? (2)Anaerobic Streptococci: Peptococci and peptostreptococci are usually involved . They are the organisms that normally reside in the vagina. When genital trauma and placenta retained occur,or in the presence of damaged and devitalized tissues,they may reproduce promptly and become pathogenic bacteria. ? (3)Escherichia coli: It is the major pathogenic agent result in septicemia and septic shock,which reside in the vagina,perineum and urethral orifice. It has different sensitivity to antibiotics at the different environment. ? (4)Staphylococcus : Major pathogenic agent include Staphylococcus aureus Staphylococcus epider