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Abnormal origin of left coronary artery from the pulmonary artery (ALCAPA) is one of the most common causes of myocardial ischemia and infarction in childhood. This study aimed to determine the correlation between age at clinical presentation, level of ventricular dysfunction, and post-repair outcomes. This is retrospective study from 1993 to 2018 including thirty-one patients. The study cohort was divided into two groups according to age (&lt; 6 months, &gt; 6 months). The significance level was set at p 0.05.The median follow-up time was 72 [24-168] months. Median age was 4.7 [2.3-16] months. Median weight was 6.2 [4.3-9] kg. There was severe left ventricular (LV) dysfunction (ejection fraction &lt; 35%) in 64.5% of patients. Mitral regurgitation (MR) was moderate to severe in 13 patients (41.9%). Two patients (6.4%) required extracorporeal membrane oxygenation (ECMO) support before surgery and 6 (19.4%) after correction. Age &lt; 6 months was significantly associated with severe clinical presentation, severe LV dysfunction, delayed sternal closure, prolonged respiratory mechanical support, and prolonged length of ICU stay (p = 0.024, p = 0.042, p = 0.002, p = 0.042, p = 0.022, respectively). After surgery, ejection fraction improved to a median of 57% [50.7-60.5]. MR regressed in 12 patients (92.3%). Mortality rate after surgery was 9.7%. All patients were free from reoperation at the last follow-up. Young age at diagnosis was significantly associated with a more severe clinical presentation and poorer outcomes. After re-establishment of a two-coronary circulation, both ventricular function and MR tend to normalize over time regardless of age at repair.

Early Presentation of Patients with Abnormal Origin of Left Coronary Artery from the Pulmonary Artery is a Predictor of Poor Mid-term Outcomes