Comparing Weight Bearing After Intramedullary Fixation Devices for the Proximal Femur Fracture
NCT ID: NCT01509859
Last Updated: 2012-01-13
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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UNKNOWN
PHASE4
100 participants
INTERVENTIONAL
2011-12-31
2012-09-30
Brief Summary
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Detailed Description
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According to the Evans and the AO Classification systems, the fracture can be described as stable after reduction or not according to the direction of the fracture lines and the comminution of the medial cortex or the lateral wall of the proximal femur.
Biomechanically, nails allow for stable anatomical fixation of more comminuted fractures without shortening the abductor moment arm or changing the proximal femoral anatomy. These devices provide fracture stability by virtue of allowing the lateral aspect of the head and neck to come to rest against the nail in the medullary canal.
For fractures with comminuted medial cortex or involvement of the lateral cortex (AO 2.2 - AO 3.3) it is advisable to fixate with a more stable fixation device such as intramedullary proximal femur nail Several intramedullary devices are currently in use for the treatment of the intertrochanteric fractures. In our institution, for the unstable fracture we use either one of the intramedullary devices manufactured by Synthes (Proximal femoral nail - anti-rotation = PFNA) or by Smith\&Nephew (Trochanteric Antegrade Nail = InterTan).
Each of these nails allow compression over the Nail\\Blade with the intramedullary stability.
There are 3 main complications in the treatment of intramedullary devices : (1) varus collapse of the head/neck, (2) uncontrolled shortening of the neck, and (3)femoral shaft fractures at the tip of the nail The InterTan, unlike other devices, allows for immediate intraoperative compression of the principal fracture fragments through linear compression combined with rotational stability secondary to its unique geometry and mechanism of action.
The mechanical stability of the fracture after the fixation is reflected by the weight bearing the patient can hold . In order to find weather there is a mechanical difference between the two devices we would like to perform a test measuring the weight bearing after fixation of intertrochanteric fractures comparing the pain and impression of mechanical stability in the two devices.
The method to test the amount of weight bearing would be using the "SmartStep gait system" TM (Andante Medical Devices Ltd), an innovative biofeedback and monitoring system that records and analyzes key gait parameters and provides instantaneous and accurate audio and visual feedback.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
DOUBLE
Study Groups
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PFNA
these patients will be treated with "synthes" PFNA" device
PFNA proximal femur nail device (Synthes)
synthes "PFNA" proximal femur nail device
INTERTAN
these patients will be treated with Smith\&Nephew "INTERTAN" device
INTERTAN proximal femur nail device (Smith&Nephew)
Smith\&Nephew "INTERTAN" proximal femur nail device
Interventions
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PFNA proximal femur nail device (Synthes)
synthes "PFNA" proximal femur nail device
INTERTAN proximal femur nail device (Smith&Nephew)
Smith\&Nephew "INTERTAN" proximal femur nail device
Eligibility Criteria
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Inclusion Criteria
* ambulatory patient, without support prior to the fall
* minor trauma mechanism
* without other injuries
* operated 3 days from the injury
Exclusion Criteria
* s/p hip or knee arthroplasty
* known osteoarthritis
60 Years
ALL
No
Sponsors
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Rabin Medical Center
OTHER
Responsible Party
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yona kosashvili
senior surgeon, joint arthroplasty unit, orthopedic department
Principal Investigators
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yona kosashvili, MD
Role: PRINCIPAL_INVESTIGATOR
Rabin Medical Center
eliezer sidon, MD
Role: STUDY_DIRECTOR
Rabin Medical Center
Locations
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Rabin Medical Center
Petah Tikva, , Israel
Countries
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Central Contacts
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Facility Contacts
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References
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Zlowodzki M, Zelle BA, Cole PA, Jeray K, McKee MD; Evidence-Based Orthopaedic Trauma Working Group. Treatment of acute midshaft clavicle fractures: systematic review of 2144 fractures: on behalf of the Evidence-Based Orthopaedic Trauma Working Group. J Orthop Trauma. 2005 Aug;19(7):504-7. doi: 10.1097/01.bot.0000172287.44278.ef.
Sadowski C, Lubbeke A, Saudan M, Riand N, Stern R, Hoffmeyer P. Treatment of reverse oblique and transverse intertrochanteric fractures with use of an intramedullary nail or a 95 degrees screw-plate: a prospective, randomized study. J Bone Joint Surg Am. 2002 Mar;84(3):372-81.
Cummings SR, Rubin SM, Black D. The future of hip fractures in the United States. Numbers, costs, and potential effects of postmenopausal estrogen. Clin Orthop Relat Res. 1990 Mar;(252):163-6.
Gullberg B, Duppe H, Nilsson B, Redlund-Johnell I, Sernbo I, Obrant K, Johnell O. Incidence of hip fractures in Malmo, Sweden (1950-1991). Bone. 1993;14 Suppl 1:S23-9. doi: 10.1016/8756-3282(93)90345-b.
Williams WW, Parker BC. Complications associated with the use of the gamma nail. Injury. 1992;23(5):291-2. doi: 10.1016/0020-1383(92)90169-s.
Koval KJ, Sala DA, Kummer FJ, Zuckerman JD. Postoperative weight-bearing after a fracture of the femoral neck or an intertrochanteric fracture. J Bone Joint Surg Am. 1998 Mar;80(3):352-6. doi: 10.2106/00004623-199803000-00007.
Other Identifiers
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0333-11-RMC
Identifier Type: -
Identifier Source: org_study_id
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