{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,21]],"date-time":"2026-07-21T15:06:37Z","timestamp":1784646397379,"version":"3.55.0"},"reference-count":14,"publisher":"Oxford University Press (OUP)","issue":"7","license":[{"start":{"date-parts":[[2026,7,14]],"date-time":"2026-07-14T00:00:00Z","timestamp":1783987200000},"content-version":"vor","delay-in-days":13,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,7,2]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Coronary\u2013bronchial artery fistulas are rare vascular anomalies between the coronary and bronchial circulations. They are most often detected incidentally and may be congenital or acquired, particularly in the setting of chronic pulmonary disease. Origin from the sinoatrial nodal artery is exceptional. If haemodynamically significant, these communications may lead to a coronary steal phenomenon and represent a potential cause of myocardial ischaemia. Recognition is also crucial prior to bronchial artery embolization to avoid inadvertent coronary complications. Multimodality imaging plays a key role in their diagnosis and characterization.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Case summary<\/jats:title>\n                    <jats:p>A 58-year-old man with psoriasis presented with atypical chest pain. Exercise stress echocardiography was electrically equivocal, prompting invasive coronary angiography. No significant coronary artery disease was identified. However, contrast injection into the proximal right coronary artery demonstrated a prominent atrial branch with opacification of the right pulmonary parenchyma. Coronary computed tomography angiography revealed a retroaortic sinoatrial nodal artery originating from the proximal right coronary artery. Its left branch communicated with a hypertrophied bronchial artery, which followed a tortuous trajectory towards the right middle lobe. Chest computed tomography demonstrated cylindrical and varicose bronchiectasis in the right middle and lower lobes. No haemoptysis occurred.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Discussion<\/jats:title>\n                    <jats:p>This case illustrates a rare coronary\u2013bronchial artery fistula arising from the sinoatrial nodal artery in association with bronchiectasis. Multimodality imaging enabled accurate anatomical characterization and suggested possible haemodynamic relevance. Such fistulas may represent a potential cause of myocardial ischaemia and should be recognized both in the evaluation of chest pain and prior to interventional procedures.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/ehjcr\/ytag501","type":"journal-article","created":{"date-parts":[[2026,7,13]],"date-time":"2026-07-13T11:27:50Z","timestamp":1783942070000},"source":"Crossref","is-referenced-by-count":0,"title":["Coronary\u2013bronchial artery fistula arising from the sinoatrial nodal artery in a patient with bronchiectasis: a multimodality imaging case report"],"prefix":"10.1093","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3347-6780","authenticated-orcid":false,"given":"Maria Nieves","family":"Montoro-Lopez","sequence":"first","affiliation":[{"name":"Cardiology Department, Hospital Universitario de Torrej\u00f3n, Ribera Salud Group , Calle Mateo Inurria, Torrej\u00f3n de Ardoz, Madrid 28850 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