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  • Title: Concomitant Lower-Extremity Deep Vein Thrombosis in Patients With Pulmonary Embolism Undergoing Catheter-Directed Therapy.
    Author: Shirkhodaie C, Lattell J, Paul J, Ahmed O, Funaki B, Kalathiya R, Nathan S, Shah A, Blair JEA.
    Journal: J Invasive Cardiol; 2021 Nov; 33(11):E910-E915. PubMed ID: 34735354.
    Abstract:
    Deep vein thrombosis (DVT) is often seen in patients with acute pulmonary embolism (PE). Risk stratification of PE patients is useful in predicting mortality risk and hospital course. However, rates or predictors of DVT or proximal DVT (popliteal, femoral, common femoral, or iliac thrombosis) have not been studied in the highest-risk patients who receive catheter-directed therapy (CDT) for their PE. A single-center retrospective analysis of patients referred for CDT for confirmed PE was conducted to evaluate rates and predictors of DVT or proximal DVT and the impact on short-term outcomes. In 137 consecutive patients undergoing CDT for PE with available lower-extremity ultrasound, the rates of DVT and proximal DVT in PE patients receiving CDT were 76.6% and 65.0%, respectively. Rates of DVT (P=.68) and proximal DVT (P=.72) did not differ between high-risk or non-high risk PE patients. The only significant factor associated with presence of concomitant DVT was previous DVT (P=.045). The presence of a concomitant DVT or proximal DVT was not associated with an increase in all-cause mortality or hospitalization at 30 days or 1 year compared with an absence of concomitant DVT or proximal DVT. The results of this study suggest that patients with PE clinically requiring CDT have high rates of concomitant DVT and proximal DVT, prior DVT predicts concomitant DVT, and the presence of DVT is not associated with additional risk in this already high-risk population of patients.
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