• Medicine · Jan 2024

    Clinical characteristics and course of pulmonary artery stump thrombosis following lung cancer surgery: A retrospective study from tertiary care hospital.

    • Ji-Eun Park, Seung-Ick Cha, Deok Heon Lee, Eung Bae Lee, Sun Ha Choi, Yong Hoon Lee, Hyewon Seo, Seung-Soo Yoo, Shin-Yup Lee, Jaehee Lee, Chang-Ho Kim, and Jae-Yong Park.
    • Department of Internal Medicine, School of Medicine, Kyungpook National University, Daegu, South Korea.
    • Medicine (Baltimore). 2024 Jan 12; 103 (2): e36879e36879.

    AbstractThe data regarding pulmonary artery stump thrombosis (PAST) after lung cancer surgery are insufficient. The aim of the present study was to evaluate the incidence, clinical characteristics, and prognosis of PAST. We retrospectively investigated the incidence and clinical characteristics of PAST among patients who underwent lung resection for lung cancer at 2 institutions. We compared the clinical parameters between PAST and pulmonary embolism (PE) and examined the clinical course of patients with PAST. Of the 1885 patients, PAST was found in 36 patients (1.9%). Right lower lobectomy (n = 13) and middle-lower bilobectomy (n = 9) were the most common types of surgery. The median time interval from lung resection to the detection of PAST was 3.8 months. Immobilization and a history of cerebrovascular disease were not observed in the PAST group. Most of the patients with PAST (91.7%) were diagnosed incidentally, whereas many patients with PE (75.9%) were symptomatic at the time of diagnosis. During the follow-up, one patient (2.8%) had contralateral PE complications. However, no patients in the PAST group experienced pulmonary thromboembolism-related in-hospital death or adverse outcomes. There was no difference in the prognosis of patients with PAST according to the administration of anticoagulation. PAST was rarely detected in lung cancer patients on follow-up chest computed tomography after lung resection. Patients with PAST were asymptomatic in most cases and had relatively favorable clinical outcomes. However, these patients are at risk of contralateral PE, despite its rarity.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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