Abstract：[Abstract] Objective To compare application effect of minimally invasive and conventional dynamic hip screw in patient with femoral intertrochanteric fracture. Methods 140 patients with femoral intertrochanteric fracture from January 2013 to June 2014 in the Second People′s Hospital of Dalian City in Liaoning Province were selected and divided into two groups according to random number table method, each group had 70 cases. Minimally invasive technology of dynamic hip screw was used in study group, traditional technology of dynamic hip screw was used in control group. 12 months followed-up of patients, wound length, operation time, blood loss, hospitalization time, fracture healing time, healing rate, fracture reset satisfaction rate of two groups were counted, while X-ray radiography was given, functional recovery score was used to evaluate therapeutic effect of two groups. Results The wound length, operation time, hospitalization time, fracture healing time in study group were shorter than those in control group, blood loss in study group was less than that in control group, healing rate in study group was higher than that in control group, with statistical differences (P ＜ 0.05 or P < 0.01). Therapeutic effect before and after treatment between two groups was compared, with statistical difference (P ＜ 0.05). Therapeutic effect after treatment in study group was better than that in control group, with statistical difference (P ＜ 0.05). The fracture reset satisfaction rate in study group was 100.0% (70/70), fracture reset satisfaction rate in control group was 88.6% (62/70), the difference was statistically significant (P < 0.05). Conclusion Minimally invasive dynamic hip screw in the treatment of femoral intertrochanteric fracture has the advantages of small incision, less bleeding, fast recovery of patients with less adverse reaction, the effect is obvious, which is worthy of clinical promotion.
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