Abnormal coronary termination

Coronary artery termination abnormalities or coronary fistulas include the main branches or branches of the left and right coronary arteries leading directly into the heart cavity, coronary sinus, pulmonary artery, pulmonary vein, superior vena cava, or bronchial vessels. The most common is the right coronary artery-right ventricular fistula, which accounts for about 25%, and the most common is that the coronary artery opens into the left ventricle. With the widespread development of coronary angiography, the number of cases of coronary fistula reported in the literature is increasing, and a few cases of coronary fistula can involve several coronary arteries. Coronary fistula mostly exists alone, but about 25% of cases can be combined with congenital or acquired heart disease such as heart septal defect and valve disease.

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