Objectives: We studied these predictors at a single cardiac center. Methods: A retrospective cohort study was carried out after obtaining approval from the institutional review board. All patients (age, 0-14 years) who underwent congenital heart disease (CHD) surgery from January 2014 to June 2016 were included. Prolonged mechanical ventilation (PMV) was defined as >72 hours of ventilation. Results: A total of 257 patients were included, among whom 219 (85.2%) were intubated for >72 hours and 38 (14.8%) were intubated for ≥72 hours. Age (29.9 versus 11.95 years), weight (9.6 versus 5.9 kg), cross-clamp time (CCT) (53.6 versus 71.8 min), cardiopulmonary bypass time (CBP) (80.98 versus 124.36 min), length of stay in the pediatric intensive care unit (PICU) (10.4 versus 27.2 days), infection (12.8% versus 42.1%), open sternum (0.9% versus 13.2%), re-intubation (19.2% versus 39.5%), pulmonary hypertension (10.9% versus 31.6%), and impaired heart function (10.1% versus 23.7%) were associated with PMV. In terms of Risk Adjustment in Congenital Heart Surgery (RACHS) classification, only patients with RACHS 4 (18.4%) were associated with the risk for PMV. Conclusions: Age, weight, CBP, CCT, pulmonary hypertension, impaired cardiac function, and sepsis are risk factors for PMV. These factors should be considered when deciding surgery and in providing PICU care.
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