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Research: Neonatal surgery in low- vs. high-volume institutions: a KID inpatient database outcomes and cost study after repair of congenital diaphragmatic hernia, esophageal atresia, and gastroschisis.

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Research: Neonatal surgery in low- vs. high-volume institutions: a KID inpatient database outcomes and cost study after repair of congenital diaphragmatic hernia, esophageal atresia, and gastroschisis.

Pediatr Surg Int. 2019 Aug 1. doi: 10.1007/s00383-019-04525-x. [Epub ahead of print]

Neonatal surgery in low- vs. high-volume institutions: a KID inpatient database outcomes and cost study after repair of congenital diaphragmatic hernia, esophageal atresia, and gastroschisis.

Sømme S1,2Shahi N3,4McLeod L1Torok M5McManus B5Ziegler MM1,2.

https://www.ncbi.nlm.nih.gov/pubmed/31372730

Author information

1Division of Pediatric Surgery, Children’s Hospital Colorado, Aurora, CO, 80045, USA.2Department of Surgery, University of Colorado School of Medicine, Aurora, CO, USA.3Division of Pediatric Surgery, Children’s Hospital Colorado, Aurora, CO, 80045, USA. niti.shahi@childrenscolorado.org.4Department of Surgery, University of Colorado School of Medicine, Aurora, CO, USA. niti.shahi@childrenscolorado.org.5Adult and Child Center for Health Outcomes Research and Delivery Science (ACCORDS), University of Colorado School of Medicine, Aurora, CO, USA.

Abstract

BACKGROUND/PURPOSE:

The volume-outcome relationship and optimal surgical volumes for repair of congenital anomalies in neonates is unknown.

METHODS:

A retrospective study of infants who underwent diaphragmatichernia (CDH), gastroschisis (GS), and esophageal atresia/tracheoesophageal fistula (EA/TEF) repair at US hospitals using the Kids’ Inpatient Database 2009-2012. Distribution of institutional volumes was calculated. Multi-level logistic/linear regressions were used to determine the association between volume and mortality, length of stay, and costs.

RESULTS:

Total surgical volumes were 1186 for CDH, 1280 for EA/TEF, and 3372 for GS. Median case volume per institution was three for CDH and EA/TEF, and four for GS. Hospitals with annual case volumes ≥ 75th percentile were considered high volume. Approximately, half of all surgeries were performed at low-volume hospitals. No clinically meaningful association between volume and outcomes was found for any procedure. Median cost was greater at high- vs. low-volume hospitals [CDH: $165,964 (p < 0.0001) vs. $104,107, EA/TEF: $85,791 vs. $67,487 (p < 0.006), GS: $83,156 vs. $72,710 (p < 0.0009)].

CONCLUSIONS:

An association between volume and outcome was not identified in this study using robust outcome measures. The cost of care was higher in high-volume institutions compared to low-volume institutions.

LEVEL OF EVIDENCE:

III.

KEYWORDS:

Congenital anomalies; Hospital variation; KID Database; Neonatal surgery; Surgical outcomes; Surgical volumePMID: 31372730 DOI: 10.1007/s00383-019-04525-x

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