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Rare chest pain causes by right bronchial artery
Artery Research volume 18, pages 64–65 (2017)
Summary
A 42-year-old with diabetes mellitus presented with chest pain. During his initial presentation, he suddenly felt dyspnea with back pain. Physical examination was unremarkable and resting electrocardiography was normal. Serial myocardial enzyme examinations were normal. Therefore, computed tomography of chest, abdomen was performed evaluate the possibility of aortic dissection. The images showed enhancement of right bronchial artery arising from descending aorta (Fig. 1: axial view, Figs. 2 and 3: sequence images of coronal view). Patient later felt symptom relief and refuse further survey. The bronchial arteries supply the extra- and intrapulmonary airway, regional lymph nodes, bronchovascular bundles, as well as visceral pleura with nutrition and oxygenation. The angina-like symptom could result from coronary steal phenomenon through the vessel or rupture of brachial artery aneurysm.1 Moreover, some pulmonary diseases can trigger them to dilate and provoking angina or causing hemoptysis.2 In our case, the steal phenomenon could explain the brief chest pain with normal physical examinations and myocardial enzyme level. However, further coronary angiography is required to confirm the diagnosis. Advocating a lower threshold for use of computed tomography in assessment of unexplained chest pain should be a practical approach.
References
Lee Woon-Ha, Jung Gyoo-Sik, Cho Young Duk, Jung Mi-Hee, Cha Tae-Joon. Anomalous bronchial artery originating from the right coronary artery in a patient with angina. Eur Radiol 2009; 19:1822–5.
Jarry Genevieve, Bruaire Jean-Pierre, Commeau Philippe, Hermida Jean-Sylvain, Leborgne Laurent. Coronary-to-Bronchial artery communication: report of two patients successfully treated by embolization. Cardiovasc Interv Radiol 1999;22: 251–4.
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Liu, C.C., Hsu, Y.P. Rare chest pain causes by right bronchial artery. Artery Res 18, 64–65 (2017). https://doi.org/10.1016/j.artres.2017.04.004
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DOI: https://doi.org/10.1016/j.artres.2017.04.004