Matthew T Yeager, Robert W Rutz, Alex Roszman, Gerald McGwin, James E Darnley, Joseph P Johnson, Clay A Spitler
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引用次数: 0
Abstract
Objectives: To evaluate the outcomes of staged management with external fixation (ex-fix) prior to definitive fixation of distal femur fractures.
Methods: Design: Retrospective cohort.
Setting: Single Level I Trauma Center.
Patient selection criteria: Adults treated operatively between 2004 and 2019 for distal femur fractures (OTA/AO 33A/33C) were identified using Current Procedural Terminology codes. Excluded cases were those with screw only fixation, acute distal femur replacement, 33B fracture pattern, no radiographs available, or did not have 6-months of follow-up.
Outcome measures and comparisons: Postoperative complication rates including surgical site infection [SSI], reoperation to promote bone healing, final knee arc of motion <90 degrees, heterotopic ossification formation, and reoperation for stiffness were compared between patients treated with ex-fix prior to definitive fixation and those not requiring ex-fix.
Results: A total of 407 patients were included with a mean follow-up of 27 months (median [IQR] of 12 [7,33] months), (range 6-192 months). Most patients were male (52%) with an average age of 48 [Range: 18-92] years. Ex-fix was utilized in 150 (37%) cases and 257 (63%) cases underwent primary definitive fixation. There was no difference in SSI rates (p=0.12), final knee arc of motion <90 degrees (p=0.51), and reoperation for stiffness (p=0.41) between the ex-fix and no ex-fix groups. The 150 patients requiring ex-fix spent an average of 4.2 days (SD 3.3) in the ex-fix before definitive fixation. These patients were further analyzed by comparing the duration of time spent in ex-fix, <4 days (n=82) and ≥4 days (n=68). Despite longer time spent in ex-fix prior to definitive fixation, there was again no significant difference in any of the complication and reoperation rates when comparing the two groups, including final knee arc of motion <90 degrees (p=0.63), reoperation for stiffness (p=1.00), and SSI (p=0.79).
Conclusion: Ex-fix of distal femur fractures as a means of temporary stabilization prior to definitive ORIF does not increase the risk of complications such as SSI, final knee arc of motion <90 degrees, or reoperations for bone healing or stiffness when compared to single stage ORIF of distal femur fractures.
Level of evidence: Prognostic Level III. See Instructions for Authors for a complete description of levels of evidence.
期刊介绍：
Journal of Orthopaedic Trauma is devoted exclusively to the diagnosis and management of hard and soft tissue trauma, including injuries to bone, muscle, ligament, and tendons, as well as spinal cord injuries. Under the guidance of a distinguished international board of editors, the journal provides the most current information on diagnostic techniques, new and improved surgical instruments and procedures, surgical implants and prosthetic devices, bioplastics and biometals; and physical therapy and rehabilitation.
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