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Effects of thrombolysis on outcomes of patients with deep venous thrombosis: An updated meta-analysis.


ABSTRACT:

Background

Small randomized controlled studies and meta-analyses have shown that thrombolysis, especially catheter-directed thrombolysis, can reduce the incidence of post-thrombotic syndrome (PTS). However, the recent ATTRACT trial did not demonstrate the same effects. Given this confusing situation, we performed an updated meta-analysis of randomized controlled trials (RCTs) to evaluate the effects of thrombolysis, especially catheter-directed thrombolysis, on the outcomes of deep venous thrombosis (DVT).

Methods

We searched PubMed, Embase, and the Cochrane Library for relevant studies comparing thrombolysis in combination with anticoagulation and with anticoagulation alone. The primary endpoint was PTS during the longest follow-up period. The safety endpoint was the incidence of major bleeding events. We also evaluated the outcomes of catheter-directed thrombolysis as a subgroup analysis.

Results

Six RCTs, including 1418 patients with DVT, were included in our meta-analysis. Thrombolysis in combination with anticoagulation did not reduce PTS (RR: 0.90, [0.80-1.01], P = 0.19) and increased major bleeding (RR: 2.07, [1.12-3.81], P = 0.02). However, trial sequential analysis (TSA) showed that more patients are needed to support the conclusion that thrombolysis in combination with anticoagulation increased major bleeding. Catheter-directed thrombolysis did not reduce the incidence of PTS (RR: 0.88, [0.68-1.13], P = 0.31) and did increase the incidence of major bleeding events (RR: 1.89, [1.00-3.59], P = 0.05).

Conclusion

Thrombolysis, including catheter-directed thrombolysis, did not reduce the incidence of PTS and increased the incidence of major bleeding. However, the results were not supported by TSA and sensitivity analysis, so more relevant studies are needed.

SUBMITTER: Xing Z 

PROVIDER: S-EPMC6155544 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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Publications

Effects of thrombolysis on outcomes of patients with deep venous thrombosis: An updated meta-analysis.

Xing Zhenhua Z   Tang Liang L   Zhu Zhaowei Z   Hu Xinqun X  

PloS one 20180925 9


<h4>Background</h4>Small randomized controlled studies and meta-analyses have shown that thrombolysis, especially catheter-directed thrombolysis, can reduce the incidence of post-thrombotic syndrome (PTS). However, the recent ATTRACT trial did not demonstrate the same effects. Given this confusing situation, we performed an updated meta-analysis of randomized controlled trials (RCTs) to evaluate the effects of thrombolysis, especially catheter-directed thrombolysis, on the outcomes of deep venou  ...[more]

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