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腹腔镜下肾上腺肿瘤切除术

2020-06-09 阅读量:2015次

腹腔镜下肾上腺肿瘤切除术,患者先取平卧位,在脐旁作1cm切口,置入腹腔导气针实施腹腔灌气至2kPa,置入手术套管后调整患者为侧卧位。腹腔镜进入腹腔后,依次观察肝脏、胆囊、脾脏及肠道情况。使用内视镜手术刀切开结肠外侧腹膜,将结肠向内侧游离。

为保持肾门血管张力便于游离操作,此时需保留肾脏外侧与腹壁的连接结构,避免肾脏向内侧移位增加血管游离难度。右侧手术需注意避免损伤十二指肠,左侧手术需注意保护胰腺。游离肾门时,通常先从前侧分离出肾静脉,再从其下方寻找肾动脉。肾动脉游离2~3cm后可使用大号血管夹固定,近端一般放置至少3个血管夹,远端放置2个血管夹。切断肾动脉后继续游离肾静脉,因肾静脉壁较薄,右侧肾静脉较短,操作时需注意避免过度牵拉导致下腔静脉与肾静脉连接处损伤。肾静脉完全游离后可使用血管自动吻合器(Endo GLA)进行离断。

若仅使用血管夹固定可能存在闭合不完全的情况,离断时需特别注意操作安全。处理完肾门血管后,需注意肾上腺动脉及静脉的处理。随后将肾脏上极与肝脏(右侧)或脾脏(左侧)进行游离。

继而自上而下完整游离肾脏,最后分离输尿管,离断输尿管后用镊子固定肾脏,置入尼龙袋中粉碎后取出。检查手术区域确认无脏器损伤及活动性出血后,逐层缝合腹壁套管切口。

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