Les fistules coronaires: à propos d'un cas et revue de la literature

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Abstract

Les fistules coronaires sont des anomalies congénitales ou acquises relativement rares, au travers desquelles le flux sanguin coronaire est drainé vers une chambre cardiaque, un gros vaisseau ou une autre structure. Une cavité réceptrice à basse pression est souvent le site de drainage de ces fistules. Nous rapportons le cas d'un homme âgé de 30ans présentant des précordialgies atypique. L’épreuve d'effort est positive. L’évaluation par coronarographie met en évidence un réseau coronaire sain et un aspect de fistule coronarocamérale. L'objectif de cet article est d'aborder Les aspects cliniques, diagnostiques et thérapeutiques des fistules coronaires.

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Coronary artery fistulas: clinical and therapeutic considerations.

Ramesh Gowda, Balendu C Vasavada, Ijaz Khan (2006)

Coronary artery fistulas vary widely in their morphological appearance and presentation. These fistulas are congenital or acquired coronary artery abnormalities in which blood is shunted into a cardiac chamber, great vessel, or other structure, bypassing the myocardial capillary network. The majority of these fistulas arise from the right coronary artery and the left anterior descending coronary artery; the circumflex coronary artery is rarely involved. Clinical manifestations vary considerably and the long-term outcome is not fully known. The patients with coronary fistulas may present with dyspnea, congestive heart failure, angina, endocarditis, arrhythmias, or myocardial infarction. A continuous murmur is often present and is highly suggestive of a coronary artery fistula. Differential diagnosis includes persistent ductus arteriosus, pulmonary arteriovenous fistula, ruptured sinus of Valsalva aneurysm, aortopulmonary window, prolapse of the right aortic cusp with a supracristal ventricular septal defect, internal mammary artery to pulmonary artery fistula, and systemic arteriovenous fistula. Although noninvasive imaging may facilitate the diagnosis and identification of the origin and insertion of coronary artery fistulas, cardiac catheterization and coronary angiography is necessary for the precise delineation of coronary anatomy, for assessment of hemodynamics, and to show the presence of concomitant atherosclerosis and other structural anomalies. Treatment is advocated for symptomatic patients and for those asymptomatic patients who are at risk for future complications. Possible therapeutic options include surgical correction and transcatheter embolization. Historical perspectives, demographics, clinical presentations, diagnostic evaluation, and management of coronary artery fistula are elaborated.

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Coronary artery fistulas in adults: incidence, angiographic characteristics, natural history.

M Vavuranakis, H Boudoulas, Paul C. Bush (1995)

The incidence, angiographic characteristics, and natural history of coronary artery fistulas in patients undergoing diagnostic cardiac catheterization have not been well defined. Of 33,600 patients who had diagnostic cardiac catheterization, 34 (0.1%) had coronary artery fistula. Nineteen fistulas originated from the right, 11 from the left anterior descending, and 4 from the circumflex coronary arteries, respectively. The mean ratio of pulmonary to systemic flow was 1.19 +/- 0.33. Only one patient with coexistent atrial septal defect had a pulmonic to systemic flow ratio > 1.5. Right and left heart pressures, with the exception of three patients in whom left ventricular end-diastolic pressures was > 12 mm Hg, were within normal limits. During a mean follow-up period of 6.3 years (range 2-14 years), there were no complications related to coronary artery fistula. It was concluded that the incidence of coronary artery fistulas detected during diagnostic coronary angiography is very low. Coronary artery fistulas originate predominantly from the right coronary artery and are not associated with hemodynamic abnormalities or other congenital heart diseases. The prognosis of coronary artery fistulas in adults is good.

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Coronary arterial fistulas

Shakeel A. Qureshi (2006)

Abstract A coronary arterial fistula is a connection between one or more of the coronary arteries and a cardiac chamber or great vessel. This is a rare defect and usually occurs in isolation. Its exact incidence is unknown. The majority of these fistulas are congenital in origin although they may occasionally be detected after cardiac surgery. They do not usually cause symptoms or complications in the first two decades, especially when small. After this age, the frequency of both symptoms and complications increases. Complications include 'steal' from the adjacent myocardium, thrombosis and embolism, cardiac failure, atrial fibrillation, rupture, endocarditis/endarteritis and arrhythmias. Thrombosis within the fistula is rare but may cause acute myocardial infarction, paroxysmal atrial fibrillation and ventricular arrhythmias. Spontaneous rupture of the aneurysmal fistula causing haemopericardium has also been reported. The main differential diagnosis is patent arterial duct, although other congenital arteriovenous shunts need to be excluded. Whilst two-dimensional echocardiography helps to differentiate between the different shunts, coronary angiography is the main diagnostic tool for the delineation of the anatomy. Surgery was the traditional method of treatment but nowadays catheter closure is recommended using a variety of closure devices, such as coils, or other devices. With the catheter technique, the results are excellent with infrequent complications. Disease name and synonyms Coronary arterial fistulas Coronary arterial fistulas or malformations

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Journal

Journal ID (nlm-ta): Pan Afr Med J

Journal ID (iso-abbrev): Pan Afr Med J

Journal ID (publisher-id): PAMJ

Title: The Pan African Medical Journal

Publisher: The African Field Epidemiology Network

ISSN (Electronic): 1937-8688

Publication date (Electronic): 23 June 2015

Publication date Collection: 2015

Volume: 21

Electronic Location Identifier: 145

Affiliations

[1 ]Service de Cardiologie 1, Centre Médicochirurgical, Agadir, Maroc

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[& ]Corresponding author: Abdelmaji Bouzerda, Service de Cardiologie 1, Centre Médicochirurgical, Agadir, Maroc

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Publisher ID: PAMJ-21-145

DOI: 10.11604/pamj.2015.21.145.7149

PMC ID: 4546796

PubMed ID: 26327982

SO-VID: 6d5d356a-fe69-4ceb-b3bd-6a26e4da2b77

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The Pan African Medical Journal - ISSN 1937-8688. This is an Open Access article distributed under the terms of the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Les fistules coronaires: à propos d'un cas et revue de la literature Translated title: Coronary fistulas: report of a case and review of literature

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Abstract

Most cited references 16

Coronary artery fistulas: clinical and therapeutic considerations.

Coronary artery fistulas in adults: incidence, angiographic characteristics, natural history.

Coronary arterial fistulas

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