• Josephine Berger-Groch, Johannes Maria Rueger, Patrick Czorlich, Karl-Heinz Frosch, Rolf Lefering, Michael Hoffmann, and Trauma Register DGU.
• Received April 3, 2021 from Department of Trauma and Orthopedic Surgery, University Medical Center, Hamburg, Germany (JB-G, JMR, K-HF, MH); Department of Neurosurgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (PC); Institute for Research in Operative Medicine (IFOM), University of Witten/Herdecke, Cologne-Merheim Medical Center (CMMC), Cologne, Germany (RL); Department of Orthopaedic and Trauma Surgery, Asklepios St. Georg, Hamburg, Germany (MH). Revised received June 11, 2021; accepted for publication June 15, 2021.
• Prehosp Emerg Care. 2022 Jul 1; 26 (4): 547-555.

AbstractBackground: The role of pelvic circumferential compression devices (PCCD) is to temporarily stabilize the pelvic ring, reduce its volume and to tamponade bleeding. The purpose of this study was to evaluate the effect of PCCDs on mortality and bleeding in severely injured trauma patients, using a large registry database.Methods: We performed a retrospective analysis of all patients registered in the Trauma Register DGU® between 2015 and 2016. The study was limited to directly admitted patients who were alive on admission, with an injury severity score (ISS) of 9 or higher, with an Abbreviated Injury Scale AISpelvis of 3-5, aged at least 16, and with complete status documentation on pelvic circular compression devices (PCCD) and mortality. A cohort analysis was undertaken of patients suffering from relevant pelvic fractures. Data were collected on mortality and requirements for blood transfusion. The observed outcome was compared with the expected outcome as derived from version II of the Revised Injury Severity Classification (RISC II) and adjusted accordingly. A Standardized Mortality Ratio (SMR) was also calculated.Results: A total of 9,910 patients were included. 1,103 of 9,910 patients suffered from a relevant pelvic trauma (AISpelvis = 3-5). Only 41% (454 cases) of these received a PCCD. PCCD application had no significant effect on mortality and did not decrease the need for blood transfusion in the multivariate regression analysis. However, in this cohort, the application of a PCCD is a general indicator for a critical patient with increased mortality (12.0% no PCCD applied vs. 23.2% PCCD applied prehospital vs. 27.1% PCCD applied in the emergency department). The ISS was higher in patients with PCCD (34.12 ± 16.4 vs. 27.9 ± 13.8; p < 0.001).Conclusion: PCCD was applied more often in patients with severe pelvic trauma according to ISS and AISpelvis as well with deterioration in circulatory status. PCCDs did not reduce mortality or reduce the need for blood transfusion.Trial registration: TR-DGU ID 2017-003, March 2017; German clinical trial register DRKS00024948.

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