• Abbas Andishmand, Leila Sharifi, and Seyedeh Mahdieh Namayandeh.
• Yazd Cardiovascular Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
• Arch Iran Med. 2024 Dec 1; 27 (12): 667673667-673.

BackgroundPulmonary embolism (PE) is a significant public health concern. This retrospective cohort study examines the clinical profiles and outcomes of patients diagnosed with PE at a medical center in central Iran, aiming to identify mortality predictors during hospitalization and follow-up.MethodsData from 109 patients diagnosed with PE were analyzed, with a median follow-up of 23 months. The collected information included demographic and clinical characteristics, laboratory findings, treatment protocols, and outcomes. Logistic regression and Kaplan-Meier survival analysis were used to identify independent mortality predictors and assess survival impact.ResultsThe mean age was 59.2 years (±19.7), with 51.4% male. Common symptoms included dyspnea (86%) and chest pain (53%), with non-massive PE being the most prevalent (63%). Independent mortality predictors identified were age (odds ratio [OR] 1.065 per year, P<0.001), female sex (OR 4.421, P=0.009), and PE severity (OR 0.262, P=0.023). Kaplan-Meier analysis showed reduced survival probabilities in females (P=0.009), those with provoked PE (P=0.002), patients over 65 (P=0.016), and individuals with comorbidities (P=0.018). In-hospital mortality was 10.1%, linked to provoked massive PE, absence of thrombolytic therapy, and reduced left ventricular ejection fraction (LVEF).ConclusionIn this cohort, age, sex, and PE severity were significant mortality predictors, while provoked PE, advanced age, and comorbidities were associated with lower mid-term survival probabilities.© 2024 The Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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