Magnetic resonance spectroscopy in migraine: What have we learned so far?

  • Reyngoudt H
  • Achten E
  • Paemeleire K
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OBJECTIVE: To summarize and evaluate proton ((1)H) and phosphorus ((31)P) magnetic resonance spectroscopy (MRS) findings in migraine.

METHODS: A thorough review of (1)H and/or (31)P-MRS studies in any form of migraine published up to September 2011.

RESULTS: Some findings were consistent in all studies, such as a lack of ictal/interictal brain pH change and a disturbed energy metabolism, the latter of which is reflected in a drop in phosphocreatine content, both in the resting brain and in muscle following exercise. In a recent interictal study ATP was found to be significantly decreased in the occipital lobe of migraine with aura patients, reinforcing the concept of a mitochondrial component to the migraine threshold, at least in a subgroup of patients. In several studies a correlation between the extent of the energy disturbance and the clinical phenotype severity was apparent. Less consistent but still congruent with a disturbed energy metabolism is an observed lactate increase in the occipital cortex of several migraine subtypes (MwA, migraine with prolonged aura). No increases in brain glutamate levels were found.

CONCLUSION: The combined abnormalities found in MRS studies imply a mitochondrial component in migraine neurobiology. This could be due to a primary mitochondrial dysfunction or be secondary to, for example, alterations in brain excitability. The extent of variation in the data can be attributed to both the variable clinical inclusion criteria used and the variation in applied methodology. Therefore it is necessary to continue to optimize MRS methodology to gain further insights, especially concerning lactate and glutamate.

Author-supplied keywords

  • 1H-MRS
  • 31P-MRS
  • ATP
  • N-acetylaspartate
  • basilar-type migraine
  • brain
  • brain metabolism
  • familial hemiplegic migraine
  • glutamate
  • lactate
  • migraine
  • migraine with aura
  • migraine with prolonged aura
  • migraine without aura
  • migrainous stroke
  • muscle metabolism
  • phosphocreatine
  • sporadic hemiplegic migraine

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  • Harmen Reyngoudt

  • Eric Achten

  • Koen Paemeleire

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