1Department of Orthopedics, the First Affiliated Hospital of Bengbu Medical College, Anhui Key Laboratory of Tissue Transplantation, Bengbu 233004, China; 2Department of Orthopaedics, Shanghai Ninth People's Hospital,Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Orthopaedic Implants, Shanghai 200011, China
Abstract：Objective To explore the early clinical effects and the operational techniques of hemiarthroplasty using the modified minimally invasive SuperCap approach in elderly patients with femoral neck fracture.Methods This study was a retrospective research that involved 19 elderly patients (19 hips) with unilateral femoral neck fracture who were admitted to the Department of Orthopedics at the First Affiliated Hospital of Bengbu Medical College from September 2016 to September 2019. Three were 3 males and 16 females, with age range of 65-90 (76.32±7.50) years. All patients were treated with modified minimally invasive SuperCap hemiarthroplasty, and biological femoral stem and bipolar femoral head were used during the operation. The perioperative general conditions, postoperative hip stability, and postoperative complications were observed among these patients.Results The operation was successfully performed in all patients. The operation time, incision length, intraoperative blood loss, hemoglobin on postoperative days 1 and 5, and VAS scores on postoperative day 1 and 5 were (60.72±6.03)min, (8.80±0.87)cm,(177.22±37.83)mL,(105.40±14.64)g/L,(99.87±12.93)g/L,(4.03±1.43),(2.06±1.93). The hemoglobin and VAS scores on day 1 and 5 after the surgery were lower than those before the surgery, whereas those on day 5 were lower than those on day 1 after the surgery, and the differences were statistically significant (all P values<0.05). Nineteen patients were followed up for 3 months. During the follow-up period, the patient's hip movement was normal and stable, without deep vein thrombosis, incision infection, periprosthetic fracture, dislocation, nor other complications. At the end of 3 months, the anteroposterior pelvic position X-rays showed that the femoral stems were in the neutral position, without femoral stem sinking nor hip prosthesis dislocation.Conclusions The modified minimally invasive SuperCap hemiarthroplasty for elderly patients with femoral neck fractures, especially those with neurological diseases, has the advantages of small incision, less trauma, use of regular biological prosthesis, hip capsule integrity, excellent joint stability, and enhanced rapid recovery. It is suitable for popularization in grass-roots hospitals in China.
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2020, Vol. 25 
