Static Helical Screw Locking of Pertrochanteric Femur Fractures Using the TFN-A
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- STATUS
- Recruiting
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- End date
- May 30, 2023
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- participants needed
- 218
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- sponsor
- Fraser Orthopaedic Research Society
Summary
The study will investigate the shortening and collapse of pertrochanteric fractures following surgical management with the TFN-Advanced nailing system. The focus will be on comparing radiographic assessments of nails which have been statically locked versus dynamically locked. This is a randomized control study with the initial invention being randomized to either statically locking or dynamically locking. For a two-month period, all eligible patients will receive the randomized allocated treatment, then treatment will switch to the alternate treatment for the next two months and will continue to alternate treatments for two-month periods until study enrollment has completed.
Description
Hip fractures are common injuries in the elderly population that result in significant morbidity and mortality and a significant burden on health care systems. Hip fractures can be treated with arthroplasty or with internal fixation, depending on the fracture pattern. Cephalomedullary nailing (CMN) has become one of the established treatments for intertrochanteric hip fractures with a wide variety of implant designs from many different companies. The TFN-ADVANCED Proximal femoral nailing system (TFN-A) is a novel implant for treating intertrochanteric and subtrochanteric proximal femur fractures with a paucity of published literature on the performance of this implant.
A method to decrease the amount of fracture compression is to use the set screw to lock the helical screw "statically" so it does not slide to the same degree as if the helical screw is placed in the "dynamic" or sliding position. To the knowledge of the investigators, the role of statically locking the helical screw to prevent fracture collapse has not been studied. Statically locking CMN to treat hip fractures has become standard of care at the Royal Columbian Hospital with all the investigating surgeons having adopted this practice in an attempt to prevent significant fracture collapse and neck shortening. Anecdotally, the investigators have not seen significant rates of cephalic helical screw cut-out over the past five years, and believe the investigators' helical screw cut-out rates are lower than what is reported in the literature. The investigators have been using the Gamma Nail (Stryker) to statically lock the helical screw as the previous TFN lacked the ability for static locking. However, with the advent of the TFN-A, the investigators have adopted this implant as their long cephalomedullary nail of choice for fixation of pertrochanteric femur fractures.
Details
| Condition | Pertrochanteric Fracture |
|---|---|
| Treatment | Dynamic Rotational Locking, Static Locking |
| Clinical Study Identifier | NCT04851509 |
| Sponsor | Fraser Orthopaedic Research Society |
| Last Modified on | 30 May 2021 |
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