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目前,腹部外科手术后静脉血栓(VTE)的发病率逐年升高,VTE可导致静脉栓塞,严重者可引起致死性的肺栓塞。与其他腹部外科手术相比,结直肠手术患者术后发生VTE的风险更高,很多临床医师经常忽视这类患者术后血栓的预防。研究表明,使用低分子肝素或未分级肝素对结直肠患者进行术后的血栓预防,均能有效预防结VTE形成。低分子肝素因其使用次数少,不良反应少的特点被广泛使用。
Currently, the incidence of venous thrombosis (VTE) after abdominal surgery has been increasing year by year, VTE can lead to venous thrombosis, severe cases can cause fatal pulmonary embolism. Patients with colorectal surgery have a higher risk of postoperative VTE than other abdominal surgery and many clinicians often ignore the prevention of postoperative thrombus in these patients. Studies have shown that the use of low molecular weight heparin or unfractionated heparin in postoperative patients with colorectal thrombosis prevention, can effectively prevent the formation of VTE. Low molecular weight heparin is widely used due to its low usage frequency and few adverse reactions.