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. 2017 Oct;58(10):595-600.
doi: 10.11622/smedj.2016185. Epub 2016 Dec 9.

Traumatic diaphragmatic injuries: a retrospective review of a 12-year experience at a tertiary trauma centre

Beng Leong Lim  1 , Li Tserng Teo  2 , Ming Terk Chiu  2 , Marxengel L Asinas-Tan  1 , Eillyne Seow  3
Affiliations

Traumatic diaphragmatic injuries: a retrospective review of a 12-year experience at a tertiary trauma centre

Beng Leong Lim et al. Singapore Med J. 2017 Oct.

Abstract

Introduction: Traumatic diaphragmatic injuries (TDIs) are clinically challenging. We aimed to review TDIs treated at a tertiary trauma centre over a 12-year period.

Methods: This was a single-centre retrospective review of adult patients with TDIs treated between 1 January 2003 and 31 December 2014. Primary outcomes were mortality rates and Injury Severity Scores (ISS) associated with each TDI subtype. Secondary outcomes included proportions of TDIs diagnosed radiologically, operatively or during autopsy. We compared the TDI subtypes with respect to mechanism of injury, mortality rates and median ISS. Data was analysed using descriptive statistics.

Results: Among 46 patients studied, the TDI subtypes noted were acute diaphragmatic herniation (n = 14, 30.4%), tears (n = 22, 47.8%) and contusions (n = 10, 21.7%). Patients with these TDI subtypes had a mortality rate of 35.7%-100%, while the ISS ranges for survivors and deaths were 22.0-34.0 (interquartile range [IQR] 6.5-23.0) and 53.5-66.0 (IQR 16.0-28.5), respectively. TDIs were identified via chest radiography (n = 2/33, 6.1%) and computed tomography (n = 6/13, 46.2%). All survivors (n = 21) and deaths (n = 25) underwent open surgery or autopsy, respectively, which confirmed TDIs. Blunt traumas and penetrating traumas were more frequently associated with acute herniation/contusions and tears, respectively. There were statistically significant differences among the TDI subtypes in their mechanism of injury, mortality rate and median ISS of survivors.

Conclusion: TDIs showed varying injury patterns with blunt versus penetrating mechanisms of injury, and were associated with significant mortality rates. Preoperative imaging had limited diagnostic use.

Keywords: mortality; traumatic diaphragmatic injuries.

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Figures

Box 1
Box 1
Emergency department criteria for the activation of trauma service:
See this image and copyright information in PMC

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