Dollars and sense of interval appendectomy in children: a cost analysis |
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Authors: | Mehul V Raval Timothy Lautz Marybeth Browne |
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Institution: | a Division of Research and Optimal Patient Care, American College of Surgeons, Chicago, IL 60611-3211, USA b Division of Pediatric Surgery, Department of Surgery, Feinberg School of Medicine, Northwestern University, Children's Memorial Hospital, Chicago, IL 60614-8985, USA |
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Abstract: | PurposeAlthough initial nonoperative management of focal, perforated appendicitis in children is increasingly practiced, the need for subsequent interval appendectomy remains debated. We hypothesized that cost comparison would favor continued nonoperative management over routine interval appendectomy.MethodsDecision tree analysis was used to compare continued nonoperative management with routine interval appendectomy after initial success with nonoperative management of perforated appendicitis. Outcome probabilities were obtained from literature review and cost estimates from the Kid's Inpatient Database. Sensitivity analyses were performed on the 2 most influential variables in the model, the probability of successful nonoperative management and the costs associated with successful observation. Monte Carlo simulation was performed using the range of cost estimates.ResultsCosts for continued nonoperative observation were estimated at $3080.78 as compared to $5034.58 for the interval appendectomy. Sensitivity analysis confirms a cost savings for nonoperative management as long as the likelihood of successful observation exceeds 60%. As the cost of nonoperative management increased, the required probability for its success also increased. Using wide distributions for both probability estimates as well as costs, Monte Carlo simulation favored continued observation in 75% of scenarios.ConclusionContinued nonoperative management has a cost advantage over routine interval appendectomy after initial success with conservative management in children with focal, perforated appendicitis. |
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Keywords: | Interval appendectomy Perforated appendicitis Children Cost analysis |
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