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  • Outcomes of surgery for sim...
    Yong, Matthew S; d'Udekem, Yves; Robertson, Terry; Horton, Stephen; Dronavalli, Mithilesh; Brizard, Christian; Weintraub, Robert; Shann, Frank; Cheung, Michael; Konstantinov, Igor E

    The Annals of thoracic surgery, 06/2011, Letnik: 91, Številka: 6
    Journal Article

    Repair of total anomalous pulmonary venous drainage (TAPVD) in neonates remains a challenge as it is often associated with severe obstruction. We describe a large cohort of neonates who underwent TAPVD repair at a single institution. From 1973 to 2008, 112 patients underwent simple TAPVD surgery during the first month of life. Data collection occurred retrospectively. Preoperative pulmonary venous obstruction (PVO) occurred in 89 (79.5%) patients. There were 12 (10.7%) early deaths. Significant risk factors were bypass time greater than 65 minutes (p=0.014) and emergent surgery (p=0.005). Hospital mortality was unchanged throughout the 3 eras (1973 to 1988, 1989 to 1998, 1999 to 2008), despite an increase in patients with preoperative acidosis (p=0.004) and severe TAPVD obstruction (p=0.038) during the recent 10 years. There were 6 (6.25%) late deaths within 2 years of repair. Survival at 20 years was 83.4% (95% confidence interval 75 to 89). Risk factors for late death were operative weight 2.5 kg or less (p=0.004) and postoperative pulmonary hypertensive crisis (p=0.02). Reoperation for recurrent PVO was required in 13 patients (11.9%). Risk factors were operative weight 2.5 kg or less (p=0.035) and postoperative pulmonary hypertensive crisis (p=0.002). Follow-up was 96% complete and survivors (n=90) were asymptomatic at a median age of 11.7 years. Hospital mortality remained unchanged over the 36-year period. Survival beyond 2 years offers excellent outcome. Risk factors for mortality were the preoperative clinical status, prolonged bypass time, persisting micro-obstruction, and low operative weight. A reduction in mortality will likely require development of effective medical management for patients who have peripheral PVO not amenable to surgical repair.