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KMID : 0361620160510060493
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Journal of the Korean Orthopaedic Association
2016 Volume.51 No. 6 p.493 ~ p.502
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A Comparison of Clinical Results between Compression Hip Screw and Proximal Femoral Nail as the Treatment of AO/OTA 31-A2.2 Intertrochanteric Femoral Fractures
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Chung Phil-Hyun
Kang Suk
Kim Jong-Pil
Kim Young-Sung
Lee Ho-Min
Back In-Hwa
Eom Kyeong-Soo
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Abstract
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Purpose: This study compared the clinical results between compression hip screw (CHS) and proximal femoral nail (PFN) after the treatment of AO/OTA A2.2 intertrochanteric (ITC) fractures.
Materials and Methods: We retrospectively reviewed 125 cases of AO/OTA A2.2 ITC fracture, treated with either CHS (group I, 34 cases) or PFN (group II, 91 cases) between March 1994 and December 2014. We evaluated the mean operation time, estimated blood loss and transfusion, hospitalization stay, sliding length of lag screw, tip-apex distance, change of neck shaft angle, mean union time, weight bearing time, mechanical failure, and ambulatory ability by the Parker and Palmer mobility scores.
Results: Operative time, estimated blood loss, transfusion, hospitalization stay, tip-apex distance, change of neck-shaft angle, and Parker and Palmer mobility scores were not significantly different between the two groups (p>0.05). However, the mean sliding length of lag screw was 8.15 mm and 3.94 mm for group I and II, respectively, the mean union time was 16.85 weeks and 15.57 weeks, respectively, and the mean full weight bearing time was 4.54 weeks and 2.31 weeks, respectively. The mean sliding length of lag screw, union time, and full weight bearing time all had statistical significance (p<0.05). There were a total of 3 cases of postoperative complications in group I and 4 cases in group II.
Conclusion: We conclude that PFN is more reliable than CHS as a treatment method for AO/OTA A2.2 intertrochanteric fracture.
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KEYWORD
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femur, intertrochanteric fractures, compression hip screw, proximal femur nail
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