Research of routine ultrasound examination combined with CTV angiography for lower extremity veins in assessing deep venous thrombosis of lower extremity after ischemic stroke
10.3969/j.issn.1672-8270.2025.03.012
- VernacularTitle:下肢静脉常规超声检查联合CT血管造影技术在缺血性脑卒中后下肢深静脉血栓形成评估中的研究
- Author:
Tianying LIU
1
;
Xin DUAN
;
Gai ZHANG
;
Wenli WANG
Author Information
1. 西电集团医院超声科 西安 710077
- Publication Type:Journal Article
- Keywords:
Deep vein thrombosis of lower extremity vein;
Ultrasound of lower extremity vein;
Computed tomography angiography(CTA);
Ischemic stroke
- From:
China Medical Equipment
2025;22(3):63-67
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To analyze the effect of routine ultrasound examination combined with computed tomography venous(CTV)angiography for lower extremity veins in assessing deep vein thrombosis(DVT)of lower extremity after ischemic stroke.Methods:The clinical data of 132 patients with ischemic stroke,who admitted to XiDian Group Hospital from January 2020 to May 2023,were retrospectively analyzed.All selected patients were suspected as DVT in lower extremity,so they underwent digital subtraction angiography(DSA),routine ultrasound and CTV examination for lower extremity veins.The result of DSA examination was used as the gold standard.The diagnostic efficacy of routine ultrasound examination combined with CTV for the DVT of lower extremity after stroke was further analyzed.Results:The results of DSA examination confirmed that a total of 128 cases of 132 patients with suspected DVT were diagnosed as DVT in lower extremity.The routine ultrasound on lower extremity found out about 102 cases with DVT on lower extremity,and the consistency between the results of ultrasound diagnosis and the results of DSA diagnosis was general(Kappa=0.461,P=0.000).The CTV found out about 111 cases with DVT on lower extremity,and the consistency between the results of CTV diagnosis and the results of DSA diagnosis also was general(Kappa=0.605,P=0.000).The diagnostic result of the combination of routine ultrasound and CTV for DVT in lower extremity had better consistency with DSA result(Kappa=0.752,P=0.000).The diagnostic accuracy(93.33%),sensitivity(94.53%)and negative predictive value(73.08%)of ultrasound combined with CTV were significantly higher than those of single diagnosis,and the differences of them were statistically significant(x2=10.727,12.463,6.313,P<0.05).Conclusion:The diagnosis of the routine ultrasound examination combined with CTV for DVT of lower extremity after ischemic stroke can improve the accuracy and diagnostic efficacy of clinical diagnosis,which is contribute to the assessment of patients'disease conditions.
