An Infant Case of Anomalous Origin of the Left Coronary Artery from the Pulmonary Artery Successfully Treated with Modified Spiral Cuff Technique

  • Sasaki Hanae
    Department of Thoracic and Cardiovascular Surgery, Hirosaki University Graduate School of Medicine
  • Kowatari Ryosuke
    Department of Thoracic and Cardiovascular Surgery, Hirosaki University Graduate School of Medicine
  • Suzuki Yasuyuki
    Department of Cardiovascular Surgery, Ibaraki Clinical Education and Training Center, University of Tsukuba Hospital
  • Daitoku Kazuyuki
    Department of Thoracic and Cardiovascular Surgery, Hirosaki University Graduate School of Medicine
  • Fukuda Ikuo
    Department of Thoracic and Cardiovascular Surgery, Hirosaki University Graduate School of Medicine

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Other Title
  • Spiral cuff 法を応用して冠動脈再建を行った左冠動脈肺動脈起始症の乳児例

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Abstract

<p>The patient was a six-month-old girl with an anomalous origin of the left coronary artery from the pulmonary artery (ALCAPA). She had fever and visited a family physician at 5 months of age. Because of poor oxygenation, she was referred to our pediatric department and intubated soon after hospitalization. Echocardiography showed that the orifice of left coronary artery was just above pulmonary commissure, the left ventricular ejection fraction was 9%, and the level of mitral regurgitation was moderate. Right coronary angiography showed that the left coronary artery contrasted against the collateral arteries. The left coronary artery originated from the left side of the pulmonary trunk. After recovery of the general condition with medical therapy, the patient underwent coronary artery reconstruction by the modified spiral cuff technique on the 21st day of hospitalization. The temporary detachment of pulmonary valve and its commissure for making a margin around the left coronary artery enabled us to make the spiral cuff in almost the usual manner. She was moved to the intensive care unit with the support of extracorporeal membrane oxygenation (VA-ECMO) and was successfully weaned off the VA-ECMO 5 days after the surgery. The postoperative course was good, and she was discharged from our hospital 3 months after the surgery. The echocardiogram one year after the surgery showed a left ventricular ejection fraction of 30%, mild mitral regurgitation, and mild pulmonary regurgitation. Our experience indicates that the spiral cuff technique is a useful coronary reconstruction method for the treatment of ALCAPA, especially in cases presenting a considerable distance between the origin of the left coronary artery and the transplantation site. There are few reports regarding the surgical treatment of infantile ALCAPA showing reduced left ventricular function. Coronary artery reconstruction using the spiral cuff method and planned VA-ECMO are useful surgical procedures in such cases. Our experience also suggests that the establishment of a treatment strategy including mechanical support is essential to improve the results in severe ALCAPA cases.</p>

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