• Ruth Meise, Kerstin Lüdtke, Annette Probst, Philipp Stude, and Thomas Schöttker-Königer.
• Hochschule für Gesundheit, Bochum, Deutschland. ruth_ge@yahoo.de.
• Schmerz. 2019 Jun 1; 33 (3): 204-211.

BackgroundChronic migraine (CM) is a primary headache type associated with a severe reduction in the quality of life. The association of sensorimotor dysfunction in the neck, measured with the joint position error test (JPE), and CM is largely unknown, even though up to 60% of migraine patients report neck pain accompanying the migraine.MethodsThis manuscript reports a systematic review of the literature on JPE in patients with headache as well as data on an observational study. To determine the JPE of migraine patients, 37 subjects with CM were tested and compared with a control group (CG; n = 22). In an additional analysis, CM patients were divided into two subgroups based on the medical treatment approach. The measurements were taken in the three movement dimensions with five repetitions in each direction using a laser pointer fixed to the head.ResultsThe mean JPE in the sagittal plane was 3.7° (SD ± 1.4°) and 3.1° (SD ± 1.1°) for CM (n = 37) and CG, respectively. In the transverse plane it was measured as 3.7° (SD ± 1.5°) for CM and 3.2° (SD ± 1°) for the CG, while it was 3.6° (SD ± 1.2°; CM) and 3.3° (SD ± 1.1°; CG) in the frontal plane. The between group difference was not significant for all movement planes. When groups according to the treatment regimen, both groups showed similar migraine and neck pain features but the JPE was significantly larger in the CM + BTh group compared to the CM without BTh group and the CG. In the sagittal plane, the JPE was 4.21° (SD ± 1.8°) for the CM + BTh compared to 2.99° (SD ± 1.2°) in CM without BTh and 3.21° (SD ± 1.2°) in the CG (p = 0.0053). The difference between CM + BTh and CM without BTh was 1.52° (p = 0.016) after propensity score matching in the sagittal plane.ConclusionsOnly patients in the CM + BTh group showed a statistically increased JPE. The influence of neck pain does not explain the between group difference. A possible factor is the degree of chronification. This study indicates that the JPE might discriminate a subgroup of migraine patients.

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