ArticleFrontiers in medicine2026
Non-bronchial systemic arteries in massive hemoptysis secondary to pulmonary tuberculosis: risk factors and outcomes of embolization materials. A retrospective observational study.
Article in Frontiers in medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objectives: To investigate the distribution characteristics, independent risk factors of non-bronchial systemic arteries (NBSA) in patients with pulmonary tuberculosis. Methods: A retrospective analysis was performed using clinical data of 91 patients (75 males and 16 females) with pulmonary tuberculosis complicated by massive hemoptysis who underwent bronchial artery embolization (BAE). Patients were divided into the NBSA group (65 cases) and the non-NBSA group (26 cases). The NBSA group was further divided into the polyvinyl alcohol (PVA) particle group (45 cases) and the microsphere group (20 cases) based on the embolization material used. Univariate and multivariate COX regression analyses were used to identify independent risk factors for NBSA. Results: A total of 130 hemorrhagic lung lobes were involved in 91 patients (bilateral upper lobes accounting for 85.4%), with 281 responsible blood vessels, including 131 NBSAs. The main NBSAs were the posterior intercostal artery (41.98%), internal thoracic artery (35.11%), and lateral thoracic artery (9.16%). Conclusion: Bronchial artery embolization demonstrated high technical success and clinical effectiveness in managing massive hemoptysis in pulmonary tuberculosis, with non-bronchial systemic arteries playing a significant role.
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