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Sensory function in cluster headache: an observational study comparing the symptomatic and asymptomatic sides
Miguel Malo-Urriés1, César Hidalgo-García1, Elena Estébanez-de-Miguel1
1Physiotherapy Research Unit, Department of Physiatry and Nursing, University of Zaragoza, Zaragoza, Spain, malom@unizar.es.
Cluster headache (CH) patients show distinct sensory changes on the symptomatic side. These include reduced pain thresholds and altered touch detection, confirming side-specific sensory alterations in CH.
Area of Science:
- Neurology
- Pain Medicine
- Sensory Neuroscience
Background:
- Cluster headache (CH) is characterized by inconsistent sensory alterations.
- Previous research indicates potential sensory changes in CH patients.
Purpose of the Study:
- To investigate sensory changes in the symptomatic versus asymptomatic sides of patients with cluster headache.
- To identify specific patterns of sensory alterations in CH.
Main Methods:
- Quantitative sensory testing (QST) was performed on 16 CH patients.
- Tested sensory modalities included pressure pain threshold (PPT), tactile detection threshold (TDT), prick detection threshold (PDT), and two-point detection threshold (2PDT).
- Testing was conducted on symptomatic and asymptomatic sides across trigeminal nerve divisions, cervical spine, and thenar eminence.
Main Results:
- Significantly decreased PPT in the first and second trigeminal nerve divisions on the symptomatic side.
- Significantly increased TDT in the first and second trigeminal nerve divisions.
- Increased 2PDT in the first trigeminal division and on the neck.
Conclusions:
- The findings support evidence of a specific sensory alteration pattern in cluster headache.
- Sensory function is altered on the symptomatic side compared to the asymptomatic side in CH patients.
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