Union Rate of Scaphoid Non-Union Fracture in Adults by Herbert Screw Versus Volar Buttress Plate
NCT ID: NCT07039695
Last Updated: 2025-06-26
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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COMPLETED
NA
30 participants
INTERVENTIONAL
2020-03-01
2022-06-01
Brief Summary
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Detailed Description
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Nonunion occurs in approximately 5% to 25 % of scaphoid fractures. The scaphoid nonunion will collapse into a humpback deformity, and the lunate, together with the proximal pole, into a dorsal intercalated segment instability, which might end in an advanced carpal collapse.
A scaphoid screw acts to prevent bending at the fracture site with three-point fixation within the cancellous bone of the scaphoid. The proximal and distal points of purchase are achieved by the capture of the screw threads in the cancellous bone of the proximal and distal poles of the scaphoid. The third point occurs within the cancellous bone of the scaphoid waist.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
NONE
Study Groups
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Volar buttress plate group
Patients will be treated by a volar buttress plate.
Volar buttress plate
Patients will be treated by a volar buttress plate.
Herbert screw group
Patients will be treated by Herbert screw.
Herbert screw
Patients will be treated by Herbert screw.
Interventions
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Volar buttress plate
Patients will be treated by a volar buttress plate.
Herbert screw
Patients will be treated by Herbert screw.
Eligibility Criteria
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Inclusion Criteria
* Non-union or delayed union scaphoid wrist fracture (more than 3 months).
* Closed fracture.
* Patients without previous scaphoid surgery.
* Patients without abnormal renal and/or liver functions.
* Patients without hypocalcemia and/or vitamin D3 deficiency.
Exclusion Criteria
* Patients with proximal or distal fracture of the scaphoid.
* Patients with avascular necrosis of scaphoid.
* Patients with mid-carpal arthritis or pan-carpal arthritis.
* Patients with carpal instability.
20 Years
50 Years
ALL
No
Sponsors
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Helwan University
OTHER
Responsible Party
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Khaled Karam Abed El-Aleem Mohammed
Assistant Lecturer of Orthopedic Surgery, Faculty of Medicine, Helwan University, Egypt.
Locations
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Helwan University
Helwan, Cairo Governorate, Egypt
Countries
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Other Identifiers
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10-2020
Identifier Type: -
Identifier Source: org_study_id
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