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结肠切除术

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ID: ANH00020chis
医学动画文字记录:如果你患有结直肠癌或一些其他疾病,外科医生将为你进行结肠切除术,即切除部分大肠。结肠是位于肠道末端的长肌肉管道。胃和小肠消化食物后,剩余的食物残渣会通过结肠,在那里吸收水和电解质。残留的粪便进入结肠的最后6英寸(15厘米),称为直肠,粪便在那里储存直到排出体外。大多数通过结肠切除术治疗的病变发生在黏膜表层(即覆盖结肠内表面的细胞层)。结肠切除术通常用于治疗结直肠癌,这是最常见的癌症之一。该手术的其他适应证包括肠梗阻、溃疡性结肠炎和克罗恩病、肠道创伤、结肠息肉(尤其是息肉数量多和体积大时)、憩室炎并发症和缺血性肠病。手术前,要进行全身麻醉,使你在手术期间一直处于睡眠状态。经口腔进行气管插管以维持术中呼吸。外科医生将首先在需要切除结肠的部位做腹部切口。然后在两个位置夹闭结肠,分别位于要切除部分的两侧。医生将在每个夹子处切断结肠并去除其间的病变部分,以及健康结肠的边缘和周围组织。最后,医生会将结肠的两个残端吻合在一起。手术完成后,医生将插入1~2个引流管以引流可能积聚在手术部位周围的液体,用缝线或缝合钉缝合伤口,并用绷带覆盖。手术后,你将被送至恢复室(手术后的特别病房)进行密切观察,并在必要时给予抗生素和止痛药。通过静脉注射给予液体和营养,然后在几天内逐渐从流质饮食过渡为固体饮食。医生会鼓励你尽快下床走动。

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