Related Experiment Videos
Temporal muscle blood flow in chronic tension-type headache
M Langemark1, K Jensen, J Olesen
1Department of Neurology, Gentofte Hospital, University of Copenhagen, Denmark.
Archives of Neurology
|June 1, 1990
Summary
This study found no evidence of temporal muscle ischemia in chronic tension-type headache patients. Blood flow was similar between patients and controls, suggesting ischemia is unlikely to cause headache pain.
Area of Science:
- Neurology
- Physiology
Background:
- Chronic tension-type headache is a common condition.
- The role of temporal muscle blood flow in headache pathophysiology is not fully understood.
Purpose of the Study:
- To investigate temporal muscle blood flow in patients with chronic tension-type headache.
- To determine if reduced blood flow or ischemia contributes to headache pain.
Main Methods:
- Measured temporal muscle blood flow using the Xenon 133 clearance technique.
- Assessed pressure-pain threshold in the temporal region with an algometer.
- Compared blood flow parameters between 40 patients and 13 control subjects during rest and isometric work.
Main Results:
- No significant differences in resting or work-induced temporal muscle blood flow were observed between patients and controls.
- Blood flow increased significantly during isometric exercise in both groups.
- Reactive hyperperfusion was noted in a minority of patients and one control subject.
- No clear correlation was found between pressure-pain threshold and blood flow.
Conclusions:
- Temporal muscle ischemia is unlikely to be the primary cause of muscle tenderness and pain in chronic tension-type headache.
- Further research may explore other mechanisms contributing to headache pain.