POSNA 2019 Annual Meeting: Best Trauma Paper Does Time to Treatment of Pediatric Femoral Shaft Fractures Impact Clinical Outcomes?

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Todd Milbrandt, MD
Anthony Stans, MD
Jennifer Grauberger, BA
William Shaughnessy, MD
A. Noelle Larson, MD

Abstract

Purpose: One quality measure used by USNWR and other entities is time to treatment for isolated pediatric femoral shaft fracture. Hospitals that are able to provide at least 80% of pediatric patients with an operating room start time within 18 hours of admission to the emergency department receive more points towards a better pediatric orthopedic ranking. Therefore, it is important to determine whether the 18 hour cut-off time to treatment of pediatric femur shaft fractures actually affects clinical outcomes. We hypothesize that there are no differences in outcomes and complication rates for patients who receive treatment within 18 hours compared to those who receive treatment after than 18 hours.

Methods: A retrospective review was conducted to compare clinical outcomes of 174 pediatric patients (age < 16) with isolated femur shaft fractures (Injury Severity Score = 9) from 1997 to 2017 at a single level I pediatric trauma center. The two groups compared were those receiving treatment within 18 hours of ED admission (N = 87) or greater than 18 hours (N = 87).

Results: Patient, injury, and surgical characteristics were similar between the early and delayed treatment groups, including mean age (7.5 vs. 8.1 years) with almost identical numbers of children in age categories: 0-4 years, 4-9, 10-13, and 14-15 years. Patients who received treatment within 18 hours were more frequently immobilized post-operatively (70.1% versus 52.9%, p = 0.0362) and had a shorter median length of stay in the hospital (2 vs. 3 days, p = 0.0047). There were no statistical differences in any outcomes including surgical site infection, time to weight-bearing (48 days vs 53 days), time to complete radiologic fracture healing (259 vs. 232 days), range of motion, angular deformity, leg length discrepancy, loss of reduction, or persistent pain/tenderness.

Conclusions: Treatment of pediatric femur shaft fractures within 18 hours does not impact clinical outcomes, but may result in one additional day of hospitalization.

Significance: It is important that national quality measures are supported by evidence based data so that as hospitals seek to meet quality standards, patient outcomes will also improve. Treatment of a femoral shaft fracture with 18 hours resulted in one day shorter length of stay but no long-term detectible differences in patient outcomes.

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POSNA Annual Meeting