Hemiarthroplasty is a common treatment for femoral neck fractures in the elderly population. The main complications are periprosthetic dislocation and infection, which potentially impact morbidity and quality of life and may contribute to mortality. This procedure can be technically demanding, and adequate closure of the capsule and soft tissue cannot be emphasized enough. One advantage of a bipolar prosthesis is that it can be easily converted to a total hip arthroplasty without replacing the femoral component and with approximately the same complication rates as a revision total hip arthroplasty. Cement should be used when the patient is osteoporotic or has a Dorr type-C canal because there is a significant reduction in risk of fracture. The addition of a collared stem is helpful if there is a crack in the calcar extending from the fracture. The procedure is as follows. (1) The patient is placed in the lateral decubitus position. (2) The surgical site is prepared and draped to above the iliac crest and mid-sacrum. (3) A posterior approach is utilized. (4) The hip is dislocated. (5) A cut is made at the femoral neck. (6) The implant is templated with the femoral head. (7) The femur is broached. (8) The trial implant is placed. (9) The femur is cemented. (10) Trial implants are removed and cement is placed. (11) The final stem implant is placed in 5° to 10° of anteversion. (12) The final head and neck implants are trialed and then placed. (13) Implant position and range of motion are tested. (14) The surgical wound is irrigated. (15) Short external rotators are repaired. The posterior approach, which is often used, is known for increased rates of dislocation. The rate of dislocation can be minimized with repair of the posterior capsule and posterior soft tissue. Proper placement of the implants is of the utmost importance to minimize complications. Other contributing factors that lead to dislocation are implant malpositioning and patient factors.
Disclosure: The authors indicated that no external funding was received for any aspect of this work. The Disclosure of Potential Conflicts of Interest forms are provided with the online version of the article (http://links.lww.com/JBJSEST/A225).
Objective: We present a technical trick for surgical treatment of with (Schatzker IV) medial tibial plateau fractures treated with a standardized operative protocol with early radiographic and clinical outcomes.Methods: Skeletally mature patients with a medial tibial plateau fracture (Schatzker IV) admitted to an academic level 1 trauma center between 2002 and 2017 were identified by institutional database review. Screening of operative reports selected patients treated with a single anteromedial approach following a standard surgical protocol by a single surgeon. Data relevant to initial injury characteristics, patient comorbidities, operative management, and follow-up were extracted by chart review. Preoperative and postoperative clinical documentation and radiographs were examined to measure specific injury and outcome variables. Radiographic and clinical outcomes were validated by one fellowship-trained orthopedic trauma surgeon and 2 orthopedic trauma fellows.Results: Review of 335 patients with tibial plateau fractures during the study period identified a series of 17 high-energy, medial partial articular fractures that met the inclusion criteria. Injury pattern included articular depression in all patients, meniscal injury in 59%, ligamentous injury in 65% and none had compartment syndrome. Immediate radiographic analysis showed restoration of the articular surface, condylar width, and mechanical alignment for all patients. No patient experienced wound healing complications, soft tissue infection or skin necrosis. Median time to radiographic fracture consolidation was 12.9 weeks and ambulation without achieved at 18.9 weeks. Conclusions:The use of a standard anteromedial approach to the knee via medial parapatellar arthrotomy with full-thickness medial skin flap for isolated high-energy medial column tibial plateau fractures offers improved visualization and facilitates reduction and fixation of the lateral and anterior articular impaction while enabling immediate repair or reconstruction of associated meniscal and ligamentous (anterior cruciate ligament, posterior cruciate ligament, medial collateral ligament) pathology. Short-term and mid-term follow-up demonstrates good clinical and radiographic patient outcomes. This approach is a safe and reliable option for treatment of this unique and challenging injury pattern.
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