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目的探讨宫颈癌术后放疗患者下肢静脉烟雾样超声显像与血栓形成的关系。方法选取2014年10月至2016年7月收住于我院的宫颈癌术后放疗伴下肢静脉血栓形成的患者98例作为病例组,再根据下肢静脉血栓存在的部位将病例组分为单侧血栓组及双侧血栓组;选择同期住院宫颈癌术后放疗但不伴有下肢静脉血栓形成的患者146例作为对照组。观察病例组及对照组中所有患者下肢静脉内是否出现烟雾样回声,并比较烟雾样回声的出现部位与血栓存在部位之间的关系。结果病例组患者中下肢静脉血栓单发于左下肢者59例,单发于右下肢者31例,双下肢同时发生者8例;病例组中下肢静脉烟雾样回声的出现率为69.4%,明显高于对照组的24.7%,差异有统计学意义(P<0.05);单侧血栓组与双侧血栓组中下肢静脉内烟雾样回声的出现部位差异无统计学意义(P>0.05)。结论宫颈癌术后放疗患者下肢静脉内烟雾样回声的出现往往表明患者存在不同程度的高凝状态。
Objective To investigate the relationship between thrombus and venous smoke-like ultrasonography in patients with cervical cancer after radiotherapy. Methods From October 2014 to July 2016, 98 patients with cervical cancer postoperative radiotherapy and venous thrombosis in our hospital were selected as the case group. According to the site of lower extremity venous thrombosis, the cases were divided into unilateral Thrombosis group and bilateral thrombosis group; Select the same period of hospitalized cervical cancer radiotherapy but not associated with lower extremity venous thrombosis in patients with 146 cases as a control group. Observe the smoke-like echo in the lower extremity vein of all the patients in the case group and the control group, and compare the relationship between the appearance of smoke-like echo and the site of thrombus. Results In the case group, 59 cases of lower extremity venous thrombosis were found in the left lower limbs, 31 cases in the right lower limb and 8 cases in both lower extremities. In the case group, the incidence of venous smoke was 69.4% (P <0.05). There was no significant difference in the appearance of smoke-like echo between the unilateral and bilateral venous thrombus in unilateral thrombosis group and bilateral thrombosis group (P> 0.05). Conclusion The emergence of smoke-like echo in the lower extremity vein of patients with cervical cancer after radiotherapy often indicates that patients have hypercoagulable state in varying degrees.