coronary arteriovenous fistula

例句：

1. 1. He was diagnosed with a coronary arteriovenous fistula and required immediate surgery.
   他被诊断出患有冠状动脉-静脉瘘，需要立即进行手术。
2. 2. The patient's condition worsened after the surgery, prompting further investigation into the cause of the coronary arteriovenous fistula.
   手术后，患者的病情恶化，进一步调查了冠状动脉-静脉瘘的原因。
3. 3. The treatment for this condition often involves surgical intervention to repair or bypass the coronary arteriovenous fistula.
   这种状况的治疗通常涉及外科干预，以修复或绕过冠状动脉-静脉瘘。