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General Rehabilitation

Session: Risk of Amputation and Associated Outcomes in Conveyance Burn Injuries, A Burn Model System Project

Risk of Amputation and Associated Outcomes in Conveyance Burn Injuries: A Burn Model System Project

Thursday, October 23, 2025

5:00 PM - 6:30 PM MT

Location: Open Kiosks

Poster Presenter(s)

Isabella Alexander, Other (she/her/hers)

Medical Student
University of Texas Southwestern
The Colony, Texas

Primary Author(s)

Eunyeop Kim, MD

Resident Doctor
University of Texas Southwestern Medical School PM&R Program
Dallas, Texas

Co-Author(s)

AH

Andrew Humbert, PhD

Assistant Professor
University of Washington, Washington
VM

Victoria Miles, MD

Assistant Professor of Surgery
University Medical Center New Orleans
New Orleans, Louisiana
SM

Samuel P. Mandell, MD, MPH

Associate Professor, Director Parkland Burn Center
UT Southwestern Department of Surgery
Dallas, Texas
Karen Kowalske, MD (she/her/hers)

Professor
University of Texas Southwestern Medical School PM&R Program
Dallas, Texas

Disclosure(s):

Isabella Alexander, Other: No financial relationships to disclose

Victoria Miles, MD: No relevant disclosure to display

Samuel P. Mandell, MD, MPH: No relevant disclosure to display

Karen Kowalske, MD: No financial relationships to disclose

Background and/or Objectives: Despite improved safety standards, motor vehicle collisions remain a significant source of flame burn injury. The objective of this study is to characterize differences in demographics and outcomes between patients with burn injuries related to motor vehicle collisions and flame burn patients not involved in motor vehicle collisions.

Design: The analysis included participants enrolled in the Burn Model Systems from 2015-2023. Outcome measures were evaluated pre-burn, at discharge, six months post-burn, 12 months post-burn, and 24 months post-burn.

Setting : N/A

Participants : As above.

Interventions: N/A

Main Outcome Measures: Amputation status, total body surface area affected, pain, fatigue, emotional distress, and social role participation.

Results: Conveyance burn participants had more amputations than non-conveyance burn patients (15% vs. 4.9%, p < 0.001), with an increase in lower extremity amputations (2.5% vs. 0.7%, p = 0.027). Additionally, conveyance burns involved a greater total body surface area (TBSA) (26% vs. 23%, p < 0.034) and were associated with longer hospital stays (40 days vs. 33 days, p < 0.006). Participants who sustained injuries during conveyance demonstrated significantly lower global physical health t-scores (42.3 vs. 44.1, p = 0.037) and physical function t-scores (42.0 vs. 46.1, p = 0.002) at 6 months post-injury compared to those with non-conveyance flame burns. Additionally, conveyance burn participants reported significantly lower t-scores for their ability to participate in social roles at 6 months (48.8 vs. 50.8, p = 0.044) and 12 months post-injury (49.9 vs. 54.0, p = 0.015). Conversely, conveyance-injured participants exhibited significantly higher CIQ (Community Integration Questionnaire) scores at 24 months (8.6 vs. 8.0, p = 0.009).

Conclusions: This study highlights the significant impact of conveyance-related burn injuries, particularly with respect to higher amputation rates and poorer early physical outcomes, compared to non-conveyance flame burns. This supports the need for targeted preventive strategies, especially those focused on vehicle maintenance and safety among younger and underrepresented populations.