| 徐光,苏里亚,王立平,彭禹,李慧玲,张征.急性和亚急性下肢DVT的超声鉴别诊断[J].中国医学影像技术,2004,20(4):561~563 |
| 急性和亚急性下肢DVT的超声鉴别诊断 |
| Differentiation of acute and subacute lower extremity deep venous thrombosis with ultrasound |
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| DOI： |
| 中文关键词: 下肢深静脉血栓 急性 亚急性 超声 |
| 英文关键词:Deep venous thrombosis of lower extremity Acute Subacute Ultrasound |
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| 中文摘要: |
| 目的 探讨超声检查鉴别急性和亚急性下肢深静脉血栓(DVT)的可行性。方法 经超声诊断的43例46条下肢DVT患者,根据其诱因和症状出现的时间分为急性组和亚急性组,比较两组血栓形成部位、回声特点及病变静脉管径。结果 两组血栓的形成部位、回声特点有显著差别(P＜0.05),而管径无明显差别(P＞0.05)。以低回声表现的局段性、周围型和中央型血栓诊断急性下肢DVT的特异性分别为100%、84.6%和75%。而以中回声表现的血栓和混合型血栓诊断亚急性下肢DVT的特异性分别为100%和86.9%。结论 对于诱因及症状不明确的下肢DVT患者,根据超声检查多数可区别急性和亚急性DVT,但少数仍不能明确区分。 |
| 英文摘要: |
| Objective To explore the feasibility of differentiation of acute and subacute lower extremity deep venous thrombosis (DVT) with ultrasound. Methods Forty-three cases with 46 lower extremities DVT diagnosed by ultrasound were divided into acute and subacute groups based on their inducements and symptoms. The location, sonographic characteristics of DVT and diameters of the venous between the two groups were compared. Results Between the two groups, there were significant difference in DVT location and sonographic characteristics (P＜0.05), but not in the diameters of the DVT venous (P＞0.05). The specificity to diagnose acute DVT was 100% in local hypoechoic thrombosis, 84.6% and 75% with the hypoechoic DVT in calf and thigh. The specificity to diagnose subacute DVT was 100% and 86.9% with middle echoic thrombosis and the thrombosis diffused in the whole legs. Conclusion In the lower extremity DVT patients with no evident inducement and/or symptoms, the ultrasound examination can distinguish most of acute from subacute DVT. |
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