ArticleBMC pulmonary medicine2024
Clinical and radiological features associated with rupture of pulmonary artery pseudoaneurysm: a retrospective study.
Article in BMC pulmonary medicine, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed.
- Retrospective comparision of embolization and conservative therapy for pulmonary artery pseudoaneurysm.American heart journal plus : cardiology research and practice · 2026Article
- Pulmonary artery involvement contributes to the recurrence of hemoptysis after bronchial artery embolization in patients with chronic pulmonary aspergillosis.Journal of thoracic disease · 2026Article
- Pulmonary artery pseudoaneurysm as a neglected manifestation of pulmonary mucormycosis: a retrospective observational study.BMC infectious diseases · 2026Observational
- Pulmonary artery floating sign: a novel predictor of fatal haemoptysis in pulmonary mucormycosis and its early intervention strategy.BMJ open respiratory research · 2026Article
- An 83-Year-Old Woman With Sudden-Onset Large Volume Hemoptysis During Right Heart Catheterization.CHEST pulmonary · 2025Article
- Rasmussen aneurysm presenting with massive hemoptysis in a tuberculosis survivor: Diagnosis with CT pulmonary angiography.Radiology case reports · 2025Article
- Spontaneous esophageal rupture resulting in formation of multiple pulmonary artery pseudoaneurysms: A case report.Radiology case reports · 2025Article
- Pulmonary artery sarcoma with mediastinal metastasis: a case report.Frontiers in oncology · 2025Article
- Conservatively Treated Giant-Sized Rasmussen Aneurysm: Case Report of a Rare Sequela of Pulmonary Tuberculosis.Clinical case reports · 2024Article
- Surgical management of refractory massive hemoptysis from pulmonary artery pseudoaneurysm due toTherapeutic advances in respiratory diseaseReview
- Silent but Deadly: A Conservative Approach to Pulmonary Artery Pseudoaneurysm.Journal of investigative medicine high impact case reportsArticle
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10 authors.
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Abstract
backgroundHemoptysis resulting from rupture of the pulmonary artery pseudoaneurysm (PAP) is massive and fatal, while factor contributing to the rupture of pseudoaneurysm remains elusive. This study aimed to elucidate the clinical and radiological features of PAP and identify the risk factors associated with rupture.
methodsPatients who developed hemoptysis with PAP were collected from January 2019 to December 2022 retrospectively. Clinical data of the demographic characteristics, radiological findings, treatment strategies, and prognosis were collected. A comparative analysis was performed on the characteristics in the ruptured and non-ruptured cases.
resultsA total of 58 PAPs were identified in the 50 patients. The most common causes were infection (86%) and cancer (8%). The PAPs were located predominantly in the upper lobes of both lungs, and 57 (99.3%) were distributed in the segmental or subsegmental pulmonary arteries. The median diameter was 6.1(4.3-8.7) mm. A total of 29 PAPs were identified adjacent to pulmonary cavitations, with the median diameter of the cavity being 18.9 (12.4-34.8) mm. Rupture of pseudoaneurysm occurred in 21 cases (42%). Compared to unruptured group, the ruptured group had a significantly higher proportion of massive hemoptysis (57.1% vs. 6.9%, p < 0.001), larger pseudoaneurysm diameter (8.1 ± 3.2 mm vs. 6.0 ± 2.3 mm, p = 0.012), higher incidence of pulmonary cavitation (76.2% vs. 44.8%, p = 0.027), and larger cavitation diameters (32.9 ± 18.8 mm vs. 15.7 ± 8.4 mm, p = 0.005). The mean pulmonary artery pressure (mPAP) in the ruptured group was also significantly higher than that in the unruptured group [23.9 ± 7.4 mmHg vs. 19.2 ± 5.0 mmHg, p = 0.011]. Endovascular treatment was successfully performed in all 21 patients with ruptured PAP, of which the clinical success rate was 96.0%. Five patients experienced recurrent hemoptysis within one year.
conclusionsMassive hemoptysis, pseudoaneurysm diameter, pulmonary cavitation, and elevated mPAP were the risk factors for rupture of pseudoaneurysm. Our findings facilitate early identification and timely intervention of PAP at high risk of rupture.
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