• Kamil Naidoo, Layth Hanbali, and Peter Bates.
• Royal London Hospital, Whitechapel, London, UK. Electronic address: k.naidoo@me.com.
• Chin. J. Traumatol. 2017 Oct 1; 20 (5): 293-296.

PurposeFlail chest (FC) injuries represent a significant burden on trauma services because of its high morbidity and mortality. Current gold standard conservative management strategies for FC, are now being challenged by renewed interest in surgical rib fixation. This retrospective epidemiological study sets out to evaluate FC patients, and quantify the natural history of this injury by studying the injury patterns, epidemiology and mortality of patients sustaining FC injuries admitted to a major trauma centre (MTC).MethodsA retrospective cohort analysis has been conducted at an MTC with full trauma service. All patients (age > 16 years) sustaining FC were included. Patient demographics, injury characteristics and inpatient stay information were extracted.ResultsTwo hundred and ninety-three patients were identified, with a mean injury severity score (ISS) of 28.9 (range 9-75), average age of 56.1 years (range of 16-100), and a male predominance (78%). Road traffic accidents accounted for 45% (n = 132) of injuries, whilst 44% were fall or jump from height (n = 129). Associated lung contusion was present in 133 patients (45%) while 76% of patients were found to have 5 or more ribs involved in the flail segment (n = 223) with 96% (n = 281) having a unilateral FC. Inpatient treatment was required 19.9 days (range 0-150 days) with 59% of patients (n = 173) requiring intensive care unit (ICU) level care for 8.4 days (range 1-63) with 61.8% requiring mechanical ventilation (n = 107) for 10.5 days (range 1-54), and 7.8% underwent rib fixation with rib plates (n = 23). The mortality rate was found to be 14% (n = 42). A non-significant trend towards improved outcomes in the conservative group was found when compared with the fixation group; ventilation days (6.94 vs 10.06, p = 0.18) intensive treatment unit (ITU) length of stay (LOS) (12.56 vs 15.53, p = 0.28) and hospital LOS (32.62 vs 35.24, p = 0.69).ConclusionThis study has successfully described the natural history of flail chest injuries, and has found a nonsignificant trend towards better outcomes with conservative management. With the cohort and management challenges now defined, work on outcome improvement can be targeted. In addition the comparability of results to other studies makes collaboration with other MTCs a realistic proposal.Copyright © 2017 Daping Hospital and the Research Institute of Surgery of the Third Military Medical University. Production and hosting by Elsevier B.V. All rights reserved.

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