PubMed · 13219481
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G H YEAGER. 1955. Reconstructive vascular surgery.. https://pubmed.ncbi.nlm.nih.gov/13219481/
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BACKGROUND: The patent ductus arteriosus (PDA) is an important problem in premature infants. Surgical PDA ligation is usually only be considered when medical treatment has either failed or was contraindicated. The aims of our study were to determine the mortality and morbidity following patent ductus arteriosus ligation in premature infants, and whether prostaglandin synthetase inhibitor (PSI) use prior to ligation affects outcome. METHODS: A retrospective case note review study to determine the outcome of premature infants undergoing patent ductus arteriosus ligation in one tertiary neonatal intensive care unit and two paediatric cardiothoracic centres. RESULTS: We had follow-up data on 87 infants. Cumulative mortality rates at 7 days, 30 days and at hospital discharge were 2%, 8% and 20% respectively. The incidence of chronic lung disease, intraventricular haemorrhage, necrotising enterocolitis and retinopathy of prematurity were 77%, 39%, 26% and 28% respectively. There was no difference in mortality, incidence of chronic lung disease or duration of oxygen dependence between those who had and those who had not received a PSI prior to surgical ligation. In those who had received 2 or more courses of PSI prior to surgical ligation, there was a trend to increase in the duration of oxygen therapy and chronic lung disease, but no difference in mortality. CONCLUSION: This study shows that patent ductus arteriosus ligation is a relatively safe procedure (30 day survival 92%) but there is substantial late mortality and a high incidence of morbidity in the survivors. 2 or more courses of PSI prior to surgical ligation trends to increased oxygen dependence and chronic lung disease. This high risk population requires careful follow-up. A definitive prospective cohort study is lacking.
A review of current literature with respect to a possible correlation among hospital volume, caseload and outcome of thoracic and cardiovascular surgery supports quite convincingly the theory that, from a probability point of view, the combination of high-volume hospitals with high-volume surgeons produces the best results. During the last decade, thoracic and cardiovascular surgery has to a certain degree been centralized in Denmark, reducing the number of public centres to the five university hospitals. None of these centres is low-volume, and two are high-volume hospitals.
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