Safety and efficacy of catheter-directed therapy versus anticoagulation alone in a higher-risk acute pulmonary embolism population. Journal Article

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Authors: Putnam, A; Carey, K; Marginean, A; Serritella, A; Friant, J; Blair, J; Shah, A; Nathan, S; Churpek, M; Paul, J
Article Title: Safety and efficacy of catheter-directed therapy versus anticoagulation alone in a higher-risk acute pulmonary embolism population.
Abstract: There is little data comparing safety and efficacy outcomes in patients with pulmonary embolism (PE) receiving catheter directed therapies (CDT) compared to a similar-risk cohort of PE patients receiving anticoagulation alone. 1094 patients with acute PE were studied. CDT and conservatively-managed patients were compared using propensity score matching to assess safety outcomes, which included bleeding and acute kidney injury at 2 and 7 days after PE diagnosis. Efficacy outcomes included change in vital signs over 72 h and in-hospital mortality. PE patients with RV strain who underwent CDT (n?=?76) had more bleeding at 2 days (additional 1.04 g/dL loss, 95% CI - 1.48 to - 0.60, p?0.001) and 7 days (additional 1.36 g/dL loss, 95% CI - 1.88 to - 0.84, p?0.001) compared to those receiving anticoagulation alone (n?=?303). There was a significant increase in creatinine at 2 days (additional 0.22 mg/dL elevation, 95% CI 0.02 to 0.42, p?=?0.03), but not at 7 days (additional 0.12 mg/dL elevation, 95% CI - 0.11 to 0.35, p?=?0.30). In-hospital mortality for patients receiving CDT versus anticoagulation alone was similar (OR 1.21, 95% CI 0.53 to 2.77; p?=?0.65). In patients with baseline abnormal vital signs who received CDT versus anticoagulation alone, heart rate, respiratory rate and oxygen requirement improved significantly faster and to levels closer to normal (p = 0.001). CDT was associated with a small but increased risk of bleeding, but no significant worsening of renal function. CDT may be associated with more rapid improvements in heart rate, respiratory rate, and oxygen requirement.
Journal Title: JOURNAL OF THROMBOSIS AND THROMBOLYSIS
Publisher: Unknown  
Date Published: 2021