Abstract
PurposeTo investigate the impact of hospital administrative level and caseload of pediatric appendectomies on the morbidity and mortality after appendectomy in a population-based cohort of Swedish children. MethodsPopulation-based cohort study including all Swedish children less than 15 years of age that underwent appendectomy for suspected appendicitis, 1987–2009. Patient characteristics and data on postoperative morbidity and mortality were collected from the Swedish National Patient Register and the Swedish Death Register. Primary endpoints were postoperative morbidity and mortality. Two explanatory variables were investigated: hospital administrative level and hospital annual caseload of pediatric appendectomies. Data were analyzed in regression models adjusting for available confounders. ResultsThe cohort comprised 55,591 children. The risk for postoperative complications was reduced in specialized pediatric surgical centers and in high caseload centers, compared to other hospitals. There were only seven postoperative deaths within 90 days of appendectomy. ConclusionsWe found clinically relevant risk reductions for reoperation and for readmission after appendectomy in specialized pediatric surgical centers. Importantly, the risk for postoperative complications was also reduced with increased hospital caseload, indicating that the merit from centralizing the management of pediatric appendectomies to specialized pediatric surgical centers may also be achieved by increasing hospital caseload of pediatric appendectomies in non-pediatric surgical units. Type of studyTreatment study. Level of evidenceLevel II.
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