Jae-Ho Lee1, Ki-Chul Park2, Seung-Jae Lim3, Kyeu-Back Kwon3, Ji Wan Kim4. 1. Department of Orthopedic Surgery, Hanyang University College of Medicine, Hanyang University Guri Hospital, Guri, Gyeonggi-do, South Korea. 2. Department of Orthopedic Surgery, Hanyang University College of Medicine, Hanyang University Guri Hospital, Guri, Gyeonggi-do, South Korea. kcpark@hanyang.ac.kr. 3. Department of Orthopedic Surgery, Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, South Korea. 4. Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan, Seoul, South Korea.
Abstract
INTRODUCTION: Achieving adequate reduction is difficult when performing minimally invasive plate osteosynthesis (MIPO) in elderly patients with simple distal femur fracture. This study aimed to evaluate the elderly patients who had undergone percutaneous wiring-assisted reduction with MIPO for simple distal femur fractures to determine the effect of this technique on reduction quality and fracture union. MATERIALS AND METHODS: Between January 2009 and September 2017, 56 patients (56 femurs) with displaced simple distal femur fractures treated with MIPO at three trauma centers were finally enrolled. The MIPO technique with percutaneous cerclage wire reduction was performed in 25 patients (Group A). Among them, 12 patients had a simple spiral metaphyseal fracture (Group A*). In comparison, MIPO without percutaneous cerclage wire reduction was performed in 31 patients (Group B). Among them, seven patients had a simple spiral metaphyseal fracture (Group B*). Medical records containing surgical records were retrospectively reviewed to investigate demographic data, comorbidities, complications, operative time, and fluoroscopic time. Radiographs were evaluated for assessing the quality of the reduction and fracture union. RESULTS: The mean fracture union time of Group A* was 21.7 weeks, which was significantly shorter than that of Group B* (28.6 weeks). The mean coronal and sagittal angulation in Group A* was 0.6° and 0.7°, respectively, which were significantly lesser than those in Group B* (2.4° and 3.2°, respectively). Mean translation in Group A* was 1.43 mm, which was significantly shorter than that in Group B* (3.81 mm). Nonunion occurred in two patients in Group B. CONCLUSION: Surgical treatment of simple spiral distal femur fractures with percutaneous cerclage wiring-assisted reduction and the MIPO technique in elderly patients resulted in better reduction and faster union time. Therefore, this technique could be a good solution if used in accordance with the indication.
INTRODUCTION: Achieving adequate reduction is difficult when performing minimally invasive plate osteosynthesis (MIPO) in elderly patients with simple distal femur fracture. This study aimed to evaluate the elderly patients who had undergone percutaneous wiring-assisted reduction with MIPO for simple distal femur fractures to determine the effect of this technique on reduction quality and fracture union. MATERIALS AND METHODS: Between January 2009 and September 2017, 56 patients (56 femurs) with displaced simple distal femur fractures treated with MIPO at three trauma centers were finally enrolled. The MIPO technique with percutaneous cerclage wire reduction was performed in 25 patients (Group A). Among them, 12 patients had a simple spiral metaphyseal fracture (Group A*). In comparison, MIPO without percutaneous cerclage wire reduction was performed in 31 patients (Group B). Among them, seven patients had a simple spiral metaphyseal fracture (Group B*). Medical records containing surgical records were retrospectively reviewed to investigate demographic data, comorbidities, complications, operative time, and fluoroscopic time. Radiographs were evaluated for assessing the quality of the reduction and fracture union. RESULTS: The mean fracture union time of Group A* was 21.7 weeks, which was significantly shorter than that of Group B* (28.6 weeks). The mean coronal and sagittal angulation in Group A* was 0.6° and 0.7°, respectively, which were significantly lesser than those in Group B* (2.4° and 3.2°, respectively). Mean translation in Group A* was 1.43 mm, which was significantly shorter than that in Group B* (3.81 mm). Nonunion occurred in two patients in Group B. CONCLUSION: Surgical treatment of simple spiral distal femur fractures with percutaneous cerclage wiring-assisted reduction and the MIPO technique in elderly patients resulted in better reduction and faster union time. Therefore, this technique could be a good solution if used in accordance with the indication.
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