Comparative study of clinical effect on minimal incision and traditional incision in large diameter metal-on-metal total hip arthroplasty

Objective To compare the clinical effect of minimal incision with traditional incision in large diameter metal-on-metal(L-MoM) total hip arthroplasty(THA).Methods All operations were performed by the same surgeons with L-MoM.Twelve cases were performed with minimal incision,and 10 cases with traditional incision.The average follow-up period was 12 months.The operative time,incision length,total blood loss,length of hospitalization,componen malposition,complications,postoperative harris hip score,pain and patients' satisfaction were compared between the two groups. Results Statistically significant differences were found in two groups in terms of incision length,total blood loss,length of hospitalization.The minimal incision group was better than traditional incision group(P0.05).Moreover records showed less pain and more satisfaction with the appearance of incision in minimal incision group.There were no significant differences between the two groups with regard to operative time,major complications,component malposition and harris hip score(P0.05). Conclusion The minimal incision L-MoM THA can resume the ideal function of the hip joint as well as the traditional incision and has advantages of less invasive and blood loss,rapidly postoperative recovery of function.