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Effect of postoperative collar immobilization on cervical alignment and segmental motion after Frenchdoor laminoplasty surgery, Single blind, prospective randomized control trial

Effect of postoperative collar immobilization on cervical alignment and segmental motion after French-door laminoplasty surgery, Single blind prospective randomized control trial

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
TCTR
Registry ID
TCTR20251222017
Enrollment
50
Registered
2025-12-22
Start date
2023-06-01
Completion date
Unknown
Last updated
2026-03-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cervical spondylotic myelopathy Cervical spondylotic myelopathy (CSM) French-door laminoplasty Philadelphia collar Cervical alignment Segmental motion

Interventions

Patient was on Philadelphia collar after post operative French-door Lamiopasty for 4 weeks.,Patient was on soft collar for 2 weeks and then no collar immobilization after French-door Laminoplasty for
Collar immobilization group,No Collar immobilization group

Sponsors

Buddhachinaraj Phitsanulok Hospital, Thailand
Lead Sponsor

Eligibility

Sex/Gender
All
Age
35 Years to 99 Years

Inclusion criteria

Inclusion criteria: This research was a prospective descriptive cohort study in a single center at Buddhachinaraj hospital (Phitsanulok, Thailand). The patients who was diagnosed the cervical spondylotic myelopathy (CSM) at C2-3 to C7-T1 level with 1. Nurick grade 3-5 and,or mJOA score < 12 points (moderate to severe symptom) 2.Preoperative cervical alignment: lordosis (CL < -10o) or cervical straight (CL -10o to 0o) 3.Pre-operative modified K-line is negative on MRI

Exclusion criteria

Exclusion criteria: The exclusion criteria were as followed: 1. Presence of myelopathy caused by spinal cord injuries, tumors or infection 2. Underlying disease with Rheumatoid arthritis, cerebral palsy and Spinal tumor 3. Pre-operative cervical segmental instabiltiy 4. A history of cervical spinal surgery 5. Major anterior pathology 6. Cervical kyphotic alignment (CL > 10o)

Design outcomes

Primary

MeasureTime frame
Cervical alignment, Cervical range of motion pre-operative, post-operative 1,3,6,12 months cobb angle C2-C7 from plain film lateral C-spine

Secondary

MeasureTime frame
cervical instability, axial neck pain pre-operative, post-operative 1,3,6,12 months translation and/or rotation from film c-spine lateral view, Visual analog scale

Countries

Thailand

Contacts

Public ContactSupitcha Permthong

Buddhachinaraj hospital

Supitcha_lpear@hotmail.com0966658688

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Apr 4, 2026