Related Experiment Videos
Correlation between migraine and circulating platelet aggregates
Abstract:
We studied platelet aggregates, by Wu and Hoak's technique, in 73 patients (49 F and 24 M), aged 14-61 (mean age 50.4 +/- 12.2) with migraine. Platelet aggregates were expressed as Platelet Aggregate Ratio (PAR). We consider as pathological PAR values lower than 86. Mean PAR value of migraine patients (78.3 +/- 8.68 SD) was significantly lower (p less than 0.001) than that of 90 control subjects (95.4 +/- 6.15 SD). Normal PAR values were found only in 27.4% of the migraine patients. The patients were divided according to the interval from the last attack: 17 patients were studied in the 1st week (PAR = 73.76 +/- 7.6 SD; 5.8% of the values in the normal range), 15 in the 2nd week (76.6 +/- 7.02 SD; 13.3% of the values in the normal range) and 41 between 15th and 30th day (80.78 +/- 8.78 SD; 29.6% of the patients in the normal range). The mean PAR value of the patients studied during the first week was significantly lower (p less than 0.01) than that of the patients studied between 15th and 30th day. No significant differences were found between the patients with classical, common and complicated migraine.
Insights
Migraine patients exhibit significantly lower Platelet Aggregate Ratio (PAR) values, indicating increased platelet aggregation. This abnormality is most pronounced in the first week following a migraine attack.
Area of Science:
- Neurology
- Hematology
- Clinical Medicine
Background:
- Platelet aggregation plays a role in various vascular conditions.
- Migraine is a complex neurological disorder with potential vascular components.
Purpose of the Study:
- To investigate platelet aggregate levels in migraine patients.
- To determine if platelet aggregation differs between migraineurs and controls.
- To explore the relationship between time since last migraine attack and platelet aggregation.
Main Methods:
- Utilized Wu and Hoak's technique to measure platelet aggregates.
- Expressed platelet aggregation as Platelet Aggregate Ratio (PAR).
- Assessed 73 migraine patients and 90 control subjects, defining pathological PAR as <86.
Main Results:
- Migraine patients showed a significantly lower mean PAR (78.3) compared to controls (95.4) (p < 0.001).
- Only 27.4% of migraine patients had normal PAR values.
- PAR values were lowest in the first week post-migraine (73.76) and increased over time, approaching normal ranges by the third week.
Conclusions:
- Elevated platelet aggregation, indicated by low PAR, is a common finding in migraine patients.
- Platelet aggregation levels appear to correlate with the time elapsed since the last migraine attack.
- Further research is warranted to understand the clinical implications of altered platelet aggregation in migraine.