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Original Articles
Comparison of the U-Blade Gamma3 Nail and the Zimmer Natural Nail for the Treatment of Intertrochanteric Fracture
Jae Sung Suh, Hyung-Gon Ryu, Young Ju Roh, Dae Won Shin, Sang-Min Kim
J Korean Fract Soc 2021;34(2):57-63.   Published online April 30, 2021
DOI: https://doi.org/10.12671/jkfs.2021.34.2.57
AbstractAbstract PDF
Purpose
This study was performed to compare the clinical results and radiological follow-up differences between intertrochanteric fractures treated with the U-blade Gamma3 nail or the Zimmer natural nail (ZNN).
Materials and Methods
The medical records of 129 cases diagnosed with an intertrochanteric frac-ture (90 cases of U-blade Gamma3 nail, 39 cases of ZNN) from July 2015 to December 2018 were reviewed. Patients were assigned to a U-blade Gamma3 nail (n=39) or a ZNN (n=39) group. To reduce selective bias, groups were subjected to Propensity score matching by age, body mass index, bone mineral density, and fracture type. Patients that met the following criteria were excluded; age <65 years, non-ambulatory, high energy or pathologic fracture, and a follow-up of <6 months. Operation times, estimated blood losses, preoperative and postoperative Koval grades, Harris hip score and radiological lag screw positions in the femoral head, reduction quality, cut-out, tip-apex distance (TAD), lag screw sliding distances, and times to union were compared.
Results
Clinical results were similar in the two groups, but lag screw TAD was significantly greater in Ublade Gamma3 nail group (23.4 mm vs. 21.0 mm) (p=0.042). One case of cut-out occurred in the Ublade Gamma3 nail group, but no other nail-related postoperative complication was noted.
Conclusion
No significant difference was observed between the outcomes of U-blade Gamma3 nail or ZNN treatments of intertrochanteric fractures. We conclude that the U-blade confers no specific advan-tage.
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Comparative Study of Proximal Femoral Nail Antirotation and Zimmer Natural Nail for the Treatment of Stable Intertrochanteric Fractures
Jee Hoon Kim, Oog Jin Shon
J Korean Fract Soc 2013;26(4):305-313.   Published online October 31, 2013
DOI: https://doi.org/10.12671/jkfs.2013.26.4.305
AbstractAbstract PDF
PURPOSE
To compare the results between Proximal femoral nail antirotation II (PFNA II) and Zimmer natural nail Asia type (ZNN) for the treatment of stable intertrochanteric fractures.
MATERIALS AND METHODS
Between September 2011 and September 2012, 40 consecutive patients with stable intertrochanteric femoral fractures were treated with PFNA II or ZNN. We reviewed 20 cases of PFNA II and 20 cases of ZNN prospectively. We evaluated the operation time, amount of bleeding, mean hospital day, and capability of mobility and function using 'mobility score of Parker and Palmer' and 'social score of Jensen'. We also evaluated the reduction state by the Fogagnolo, Cleveland index, change of tip and apex distance (TAD), sliding distance of cervical screw, change of neck shaft angle and bone union time.
RESULTS
There were no significant differences between the groups treated with PFNA and ZNN. Both groups showed good clinical results. PFNA showed less TAD change and ZNN showed a shorter sliding distance of cervical screw, but they were not statistically different. The bone union time was approximately 13 weeks in both groups.
CONCLUSION
PFNA and ZNN produced good clinical and radiologic results in the treatment of stable intertrochanteric fractures. There were no significant differences between the groups. Both implants provide good stability and union, so we can conclude that they are both suitable for the treatment of stable intertrochanteric fractures.

Citations

Citations to this article as recorded by  
  • Comparison of the Clinical and Radiological Outcomes of TFNA (Trochanteric Fixation Nail-Advanced) and PFNA-II (Proximal Femoral Nail Antirotation-II) Treatment in Elderly Patients with Intertrochanteric Fractures
    Min Sung Kwon, Young Bok Kim, Gyu Min Kong
    Journal of the Korean Fracture Society.2022; 35(4): 162.     CrossRef
  • Clinical and Radiologic Outcome of Intertrochanteric Fracture Treatment Using TFNA (Trochanteric Fixation Nail-Advanced)
    Hyeon Joon Lee, Hyun Bai Choi, Ba Rom Kim, Seung Hwan Jo, Sang Hong Lee
    Journal of the Korean Fracture Society.2021; 34(3): 105.     CrossRef
  • Comparison of osteoporotic intertrochanteric fracture fixation using a proximal femoral nail with a helical blade and lag screw type proximal femoral nail
    Woong Chae Na, Chae Won Lim, Sang Hong Lee
    Medical Biological Science and Engineering.2018; 1(2): 45.     CrossRef
  • BONE HEALING PATTERNS OF INTERLOCKED INTRAMEDULLARY NAIL-FIXATED FEMORAL SHAFT FRACTURES: AGE-MATCHED RADIOGRAPHIC PRESENTATION OF UNION PATTERN
    Myung-Sang Moon, Dong-Hyeon Kim, Bong-Keun Park, Min-Geun Yoon
    Journal of Musculoskeletal Research.2017; 20(02): 1750010.     CrossRef
  • The Curative Effect Comparison Between Prolonged Third Generation of Gamma Nail and Prolonged Dynamic Hip Screw Internal Fixation in Treating Femoral Intertrochanteric Fracture and the Effect on Infection
    Wenye He, Wei Zhang
    Cell Biochemistry and Biophysics.2015; 71(2): 695.     CrossRef
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J Musculoskelet Trauma : Journal of Musculoskeletal Trauma
© The Korean Orthopaedic Trauma Association.
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