To proof patients' benefit of minimally invasive surgery in the dorsal cervical spine an apparatus to examine head-neck-coordination was constructed. Two different surgical techniques will be compared: Laminoplasty: open approach vs minimally invasive surgery (MIS)-approach; Foraminotomy: open approach vs MIS-approach. Each patient will be tested before surgery, postoperative as well as 3 and 12 month follow-up. Hypothesis is that patients after MIS-approaches perform better in their head-neck-coordination as patients with open approaches.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
100
Open bilateral approach for laminoplasty in multilevel cervical spinal stenosis
Unilateral minimally invasive approach for laminoplasty in multilevel cervical spinal stenosis.
Unilateral subperiostal approach for single level foraminotomy
Unilateral transmuscular approach for single level foraminotomy
Schoen Klinik Hamburg Eilbek
Hamburg, Hamburg, Germany
RECRUITINGPerformance of head-neck-coordination after surgery of the dorsal cervical spine
The primary outcomes of this study are the motor control performance measures assessed using force and position controlled tasks. In addition to motor control performance, secondary outcome measures of patient-oriented outcome measures (e.g. pain, disability, etc.) will be collected. Performance measures will consist of the following tasks: * Head-Neck Position Tracking - Rotation and Flexion/Extension * Head-Neck Force Tracking - Flexion, Extension and Lateral Bending Left/Right During the tracking task, a time-varying target (input signal) will be displayed. The participant will be asked to track the specified target by controlling his/her head-neck angle (position tracking) or moment (force tracking). The head position or force during these trials will represent the output signal for the motor control system. These signals will be collected and analyzed in the time and frequency domain to assess error in head-neck motor control.
Time frame: one year
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