Functional Outcome of Patients with Unstable Pelvic Ring Fractures Stabilized with Open Reduction and Internal Fixation

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Abstract
An unstable pelvic ring fracture represents a severe injury and is associated with high morbidity and mortality. Little data are available assessing the long-term functional limitations, including disability, in a patient with an unstable pelvic ring fracture. The purpose of this study was to describe the impairment and functional outcome (disability) for patients with unstable pelvic ring fractures managed with open reduction and internal fixation (ORIF). Disability was measured at a minimum of 1 year postinjury using the Sickness Impact Profile (SIP), a measure of the health-related quality of life as perceived by the patient. Of the 230 consecutive patients with a pelvic ring fracture, 54 had unstable fractures requiring ORIF; 48 patients were available at a 1 year follow-up. The follow-up roentgenograms confirmed an osseous union and an anatomic alignment of the pelvis. Thirty-seven (77%) of the patients had mild disability (total SIP < 10); 11 (23%) of the patients had moderate disability (SIP > 10) at 1 year. Of the patients who were employed preinjury, 76% were employed 1 year postinjury; 62% had returned to full time work and 14% had returned with job modification. Of the 7 patients who had been in school, 6 had returned full time and 1 student returned part time. Mean SIP scores for subcategories were: physical health = 6.8 +/- 9.4, psychosocial health = 7.4 +/- 12.7, work = 17.6 +/- 25.5, home management = 8.3 +/- 13.0, ambulation = 10.7 +/- 13.7, and mobility = 5.3 +/- 13.0. Despite the magnitude of the bony injuries, the majority of patients with unstable pelvic ring fractures managed with ORIF had mild disability 1 year postinjury; the majority of the patients had returned to work.

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