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Traumatic coronary artery fistula
Insights
Coronary artery fistulas can develop after cardiac trauma. Surgical correction is recommended before symptoms like angina or heart failure appear to prevent recurrence.
Area of Science:
- Cardiology
- Cardiac Surgery
- Trauma Surgery
Background:
- Coronary artery fistulas (CAFs) are abnormal connections between a coronary artery and a cardiac chamber or great vessel.
- CAFs can arise following cardiac trauma, although they are rare.
Observation:
- A case of a right coronary artery-right atrial fistula is presented, developing two years post-injury.
- The fistula was identified in a patient with a history of cardiac trauma.
Findings:
- Literature suggests surgical correction of CAFs is crucial before symptom onset.
- Recommended surgical procedure involves proximal and distal ligation of the affected coronary artery with distal bypass grafting.
Implications:
- Timely surgical intervention for CAFs post-trauma can prevent debilitating symptoms such as angina, pulmonary hypertension, and congestive heart failure.
- The described surgical technique is associated with lower recurrence rates compared to other methods.
Abstract:
Coronary artery fistulas can occur in patients who survive cardiac trauma. We report one such case with development of a right coronary artery-right atrial fistula 2 years after injury. The literature shows that surgical correction should be performed before the development of incapacitating symptoms (angina, pulmonary hypertension, congestive heart failure). Proximal and distal ligation of the affected coronary artery with distal bypass grafting is the recommended surgical procedure. Other procedures have led to recurrence of the fistula.
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