{"title":"Predictors of early resistance to catheter-directed thrombolysis in patients with proximal deep vein thrombosis","authors":"Maofeng Gong, Cheng Qian, Xu He, Jianping Gu, Guoping Chen","doi":"10.1016/j.ejrad.2025.112370","DOIUrl":null,"url":null,"abstract":"<div><h3>Purpose</h3><div>To determine predictors of immediate thrombolysis resistance (iTR) in patients with proximal deep vein thrombosis (DVT), defined as thrombosis involving the femoral or more proximal veins, with or without concomitant popliteal vein involvement, and to investigate its impact on long-term post-thrombotic syndrome (PTS) outcomes.</div></div><div><h3>Methods</h3><div>This single-center retrospective study reviewed consecutive patients who underwent catheter-directed thrombolysis (CDT) as first-line therapy. Baseline demographics, clinical history, comorbidities and provoking risk factors for DVT, intraprocedural findings, periprocedural complications, and follow-up outcomes were compared between the iTR and immediate thrombolysis success (iTS) groups.</div></div><div><h3>Results</h3><div>182 patients (median age, 59.5 years; 53.3 % female) were included, with an iTR incidence of 13.7 % (25/182). After adjusting for body mass index, age (adjusted odds ratio [aOR] 0.95; 95 % confidence interval [CI], 0.92–0.99; <em>p</em> = 0.007), cancer (aOR 9.19; 95 % CI, 2.17–38.86; <em>p</em> = 0.003), urokinase use (aOR 6.69; 95 % CI, 1.78–25.19; <em>p</em> = 0.005), and absence of popliteal venous inflow (aOR 0.15; 95 % CI, 0.04–0.50; <em>p</em> = 0.002) were independent predictors of iTR. The overall complication rate was 10.4 % (19/182), with no significant difference between two groups (<em>p</em> > 0.05). At a median follow-up of 24 months, patients with iTR had a significantly higher incidence of PTS compared to those with iTS (hazard ratio 8.81; 95 % CI: 3.01–25.83; <em>p</em> < 0.001).</div></div><div><h3>Conclusion</h3><div>CDT is beneficial for the majority of selected patients with proximal DVT and low bleeding risk. Younger age, cancer presence, urokinase use, and absence of popliteal venous inflow were independent predictors of iTR. iTR significantly increased the risk of developing long-term PTS.</div></div>","PeriodicalId":12063,"journal":{"name":"European Journal of Radiology","volume":"192 ","pages":"Article 112370"},"PeriodicalIF":3.3000,"publicationDate":"2025-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"European Journal of Radiology","FirstCategoryId":"3","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0720048X25004565","RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING","Score":null,"Total":0}
引用次数: 0
Abstract
Purpose
To determine predictors of immediate thrombolysis resistance (iTR) in patients with proximal deep vein thrombosis (DVT), defined as thrombosis involving the femoral or more proximal veins, with or without concomitant popliteal vein involvement, and to investigate its impact on long-term post-thrombotic syndrome (PTS) outcomes.
Methods
This single-center retrospective study reviewed consecutive patients who underwent catheter-directed thrombolysis (CDT) as first-line therapy. Baseline demographics, clinical history, comorbidities and provoking risk factors for DVT, intraprocedural findings, periprocedural complications, and follow-up outcomes were compared between the iTR and immediate thrombolysis success (iTS) groups.
Results
182 patients (median age, 59.5 years; 53.3 % female) were included, with an iTR incidence of 13.7 % (25/182). After adjusting for body mass index, age (adjusted odds ratio [aOR] 0.95; 95 % confidence interval [CI], 0.92–0.99; p = 0.007), cancer (aOR 9.19; 95 % CI, 2.17–38.86; p = 0.003), urokinase use (aOR 6.69; 95 % CI, 1.78–25.19; p = 0.005), and absence of popliteal venous inflow (aOR 0.15; 95 % CI, 0.04–0.50; p = 0.002) were independent predictors of iTR. The overall complication rate was 10.4 % (19/182), with no significant difference between two groups (p > 0.05). At a median follow-up of 24 months, patients with iTR had a significantly higher incidence of PTS compared to those with iTS (hazard ratio 8.81; 95 % CI: 3.01–25.83; p < 0.001).
Conclusion
CDT is beneficial for the majority of selected patients with proximal DVT and low bleeding risk. Younger age, cancer presence, urokinase use, and absence of popliteal venous inflow were independent predictors of iTR. iTR significantly increased the risk of developing long-term PTS.
期刊介绍:
European Journal of Radiology is an international journal which aims to communicate to its readers, state-of-the-art information on imaging developments in the form of high quality original research articles and timely reviews on current developments in the field.
Its audience includes clinicians at all levels of training including radiology trainees, newly qualified imaging specialists and the experienced radiologist. Its aim is to inform efficient, appropriate and evidence-based imaging practice to the benefit of patients worldwide.