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Journal Article
Review
Efficacy and Safety of Anticoagulation, Catheter-Directed Thrombolysis, or Systemic Thrombolysis in Acute Pulmonary Embolism.
JACC. Cardiovascular Interventions 2023 November 14
BACKGROUND: The optimal treatment strategy of patients with pulmonary embolism (PE) (especially those with intermediate risk) continues to evolve and remains controversial.
OBJECTIVES: This study sought to compare the efficacy and safety of anticoagulation (AC) alone, catheter-directed thrombolysis (CDT), and systemic thrombolysis (ST) in patients with acute PE.
METHODS: PubMed and EMBASE were searched for randomized controlled trials or observational studies which compared outcomes of AC alone, CDT, and ST in acute PE. Efficacy outcome was all-cause mortality. Safety outcomes were major bleeding and intracranial hemorrhage (ICH).
RESULTS: We identified 45 studies (17 randomized controlled trials, 2 prospective nonrandomized trials, and 26 retrospective observational trials), which included 81,705 patients. When compared with AC alone, CDT had lower mortality (OR: 0.55; 95% CI: 0.39-0.80) but higher major bleeding (OR: 1.84; 95% CI: 1.10-3.08) and numerically higher ICH (OR: 1.51; 95% CI: 0.75-3.04). ST was associated with no difference in mortality but higher major bleeding (OR: 2.16; 95% CI: 1.38-3.38) and ICH (OR: 2.26; 95% CI: 1.14-4.48) when compared with AC alone. The risk of mortality (OR: 2.05; 95% CI: 1.46-2.89) and ICH (OR: 1.50; 95% CI: 1.13-1.99) was higher with ST when compared with CDT. Findings were similar when analysis was restricted to trials of intermediate risk PE.
CONCLUSIONS: In patients with acute PE, when compared with AC alone, CDT was associated with a lower mortality but higher risk of bleeding. Moreover, CDT had an enhanced safety profile when compared with ST.
OBJECTIVES: This study sought to compare the efficacy and safety of anticoagulation (AC) alone, catheter-directed thrombolysis (CDT), and systemic thrombolysis (ST) in patients with acute PE.
METHODS: PubMed and EMBASE were searched for randomized controlled trials or observational studies which compared outcomes of AC alone, CDT, and ST in acute PE. Efficacy outcome was all-cause mortality. Safety outcomes were major bleeding and intracranial hemorrhage (ICH).
RESULTS: We identified 45 studies (17 randomized controlled trials, 2 prospective nonrandomized trials, and 26 retrospective observational trials), which included 81,705 patients. When compared with AC alone, CDT had lower mortality (OR: 0.55; 95% CI: 0.39-0.80) but higher major bleeding (OR: 1.84; 95% CI: 1.10-3.08) and numerically higher ICH (OR: 1.51; 95% CI: 0.75-3.04). ST was associated with no difference in mortality but higher major bleeding (OR: 2.16; 95% CI: 1.38-3.38) and ICH (OR: 2.26; 95% CI: 1.14-4.48) when compared with AC alone. The risk of mortality (OR: 2.05; 95% CI: 1.46-2.89) and ICH (OR: 1.50; 95% CI: 1.13-1.99) was higher with ST when compared with CDT. Findings were similar when analysis was restricted to trials of intermediate risk PE.
CONCLUSIONS: In patients with acute PE, when compared with AC alone, CDT was associated with a lower mortality but higher risk of bleeding. Moreover, CDT had an enhanced safety profile when compared with ST.
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