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Neck-related headache in patients with cervical disc disease after surgery and physiotherapy: a 1-year follow-up of a prospective randomized study [with consumer summary]
Svensson J, Hermansen A, Wibault J, Lofgren H, Dedering A, Oberg B, Zsigmond P, Peolsson A
Spine 2020 Jul 15;45(14):952-959
clinical trial
7/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: Yes; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: Yes; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

STUDY DESIGN: A prospective randomized multicenter trial. OBJECTIVE: To investigate the effects of surgery with either structured postoperative physiotherapy or standard postoperative approach on neck-related headache in patients with cervical radiculopathy. Secondary, to investigate associations between change in neck-related headache and change in neck muscle endurance, neck mobility, or neck pain. SUMMARY OF BACKGROUND DATA: The effect of physiotherapy on individuals with neck-related headache after surgery for cervical radiculopathy due to magnetic resonance imaging-verified disc disease is unknown. METHODS: One hundred six patients with neck-related headache and participating in a randomized controlled trial evaluating the additional effects of physiotherapy after surgery for cervical radiculopathy were included. Patients were randomized preoperatively to structured postoperative physiotherapy (n = 51) or the standard postoperative approach (n = 55). Outcome measures were headache intensity and neck pain intensity, neck muscle endurance, and neck mobility. Measures were obtained preoperatively and at 6 weeks, 3 months, 6 months, and 1 year postoperatively. RESULTS: Headache intensity significantly changed from baseline to 1 year postoperatively (p < 0.001) in both groups. Post-hoc tests showed a significant difference between baseline and 6 weeks (p <= 0.05). No significant differences were found between groups (p > 0.05) or between-group differences in changes over time (p > 0.05). The change in current headache intensity over time was associated with a change in current neck pain intensity over time (p = 0.003, beta 0.40). CONCLUSION: There was a significant improvement in headache intensity 1 year postoperatively in patients with cervical radiculopathy and neck-related headache, but there were no differences between groups over time. Change in current headache intensity was only associated with a change in current neck pain intensity. LEVEL OF EVIDENCE: 2.
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