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Magnetic resonance spectroscopy in migraine
1Institute of Clinical Neurology, University of Bologna, Italy.
Cephalalgia : an International Journal of Headache
|January 1, 1995
Summary
31-phosphorus Magnetic Resonance Spectroscopy (MRS) reveals that migraineurs have altered brain energy metabolism, with reduced phosphocreatine and increased ATP biosynthesis. These metabolic changes may predispose individuals to migraine attacks.
Area of Science:
- Biophysics
- Neuroscience
- Biochemistry
Background:
- 31-phosphorus Magnetic Resonance Spectroscopy (MRS) is a non-invasive technique for studying cellular energy metabolism.
- Migraine is a neurological disorder where energy metabolism may play a role.
- Previous studies have investigated brain and muscle metabolism in migraineurs.
Purpose of the Study:
- To investigate brain and muscle energy metabolism in migraineurs using 31P-MRS.
- To determine if intracellular brain pH changes during a migraine attack.
- To identify metabolic abnormalities associated with migraine.
Main Methods:
- Utilized 31-phosphorus Magnetic Resonance Spectroscopy (MRS) to measure high and low energy phosphates and intracellular pH.
- Assessed metabolic parameters in both resting and activated conditions.
- Compared migraineurs with healthy controls during and between migraine attacks.
Main Results:
- Intracellular brain pH remained stable during migraine attacks, suggesting ischemia is not a primary cause of neurological symptoms.
- Migraineurs exhibited reduced phosphocreatine levels and cellular-free energy.
- An increased rate of ATP biosynthesis was observed in migraineurs, both during and between attacks.
Conclusions:
- Migraineurs display distinct abnormalities in brain and muscle energy metabolism.
- These metabolic alterations, including reduced phosphocreatine and increased ATP synthesis, may predispose individuals to migraine attacks.
- The findings suggest a link between impaired energy metabolism and migraine pathophysiology.