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Erschienen in:
10.08.2022 | Original Article
Traumatic diaphragmatic rupture: epidemiology, associated injuries, and outcome—an analysis based on the TraumaRegister DGU®
Erschienen in: Langenbeck's Archives of Surgery | Ausgabe 8/2022
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Introduction
Traumatic diaphragmatic rupture is a rare injury in the severely injured patient and is most commonly caused by blunt mechanisms. However, penetrating mechanisms can also dominate depending on regional and local factors. Traumatic diaphragmatic rupture is difficult to diagnose and can be missed by primary diagnostic procedures in the resuscitation room. Initially not life-threatening, diaphragmatic ruptures can cause severe sequelae in the patient’s long-term course if untreated. The objective of this study was to assess the epidemiology, associated injuries, and outcome of traumatic diaphragmatic ruptures based on a multicenter registry-based analysis.
Material and methods
Data from all patients enrolled in the TraumaRegister DGU® between 2009 and 2018 were retrospectively analyzed. That multicenter database collects data on prehospital, intra-hospital emergency, intensive care therapy, and discharge. Included were all patients with a Maximum Abbreviated Injury Scale (MAIS) score of 3 or above and patients with a MAIS score of 2 who died or were treated in the intensive care unit, for whom standard documentation forms had been completed and who had sustained a diaphragmatic rupture (AIS score of 3 or 4). The data has been analyzed using descriptive statistics and chi-square test or Mann–Whitney U test.
Results
Of the 199,933 patients included in the study population, 687 patients (0.3%) had a diaphragmatic rupture. Of these, 71.9% were male. The mean patient age was 46.1 years. Blunt trauma accounted for 73.5% of the injuries. Primary diagnosis was established in the resuscitation room in 93.1% of the patients. Multislice helical computed tomography (MSCT) was performed in 82.7% of the cases. Rib fractures were detected in 60.7% of the patients with a diaphragmatic injury. Patients with diaphragmatic rupture had a higher mean Injury Severity Score (ISS) than patients without a diaphragmatic injury (32.9 vs. 18.6) and a higher mortality rate (13.2% vs. 9.0%).
Conclusions
In contrast to the literature, primary diagnostic procedures in the resuscitation room detected relevant diaphragmatic ruptures (AIS ≥ 3) in more than 90% of the patients in our study population. In addition, complex associated serial rib fractures are an important diagnostic indicator.