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凡由于分娩造成产道深部血管破裂,血液不能外流,积于局部形成血肿称为产道血肿,可以发生于外阴,阴道、阔韧带甚至肾区。虽然它是少见的分娩并发症,文献报告发生率为1∶259,1∶422不等,但可以导致出血,造成产后出血甚至休克、继发贫血、继发感染等危害,大部分血肿还需要再次手术治疗,给患者带来痛苦。因此每一个产科工作者都应该熟悉此病,做到积极预防,早期发现,正确处理。引起产道血肿的诱因:由于分娩的创伤,女阴皮下或阴道粘膜下深部的血管破裂时可以形成血肿,自然分娩或阴道手术产,产道撕裂,未能及时修补或修补时止血不良均可发生,侧切伤口由于没有缝合到顶部,或没有缝合住切开的血管或缝合时穿过了较大的静脉都可引起血肿发生。有作者报告侧切伤口血肿可占全部血肿的61%。因此侧切、胎吸、产钳、臀助产、臀牵引等手术产是引起产道血肿的重要原因。妊高征患者组织水肿,弹性差,血管脆性增加,因此是发生
Where due to childbirth caused by deep rupture of blood vessels, the blood can not flow, product in the local formation of hematoma called the birth canal hematoma, can occur in the vulva, vagina, broad ligament and even the kidney area. Although it is a rare complication of childbirth, the incidence of the reported literature is 1: 259, 1: 422, but it can cause bleeding, postpartum hemorrhage or even shock, secondary anemia, secondary infection and other hazards. Most hematomas also need Surgical treatment again, to patients with pain. Therefore, every obstetric worker should be familiar with the disease, so that he can actively prevent, detect and find the right treatment. Causes of hematoma caused by the birth canal: Due to childbirth trauma, subcutaneous vaginal or vaginal submucosal deep blood vessels rupture can form hematoma, natural childbirth or vaginal surgery, birth canal tear, failed to repair or repairs in time to stop bleeding can occur , The cut wound can cause hematoma as it is not sutured to the top or sutured into a severed vessel or sutured through a larger vein. Some authors report lateral wound hematoma can account for 61% of all hematoma. Therefore, lateral incision, fetus, forceps, hip midwifery, hip traction and other surgical production is an important cause of birth canal hematoma. PIH patients with tissue edema, poor flexibility, increased vascular fragility, it is occurring