Brainstem

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Brainstem Compression often occurs as a result of craniocervical instability (CCI).[1][2]

Evidence[edit | edit source]

Recent peer-reviewed academic research indicates that mechanical brainstem compression can be directly responsible for dysautonomia and fatigue.[1][2] When patients had their brainstem compression surgically corrected with a craniocervical fusion, their symptoms of brainstem compression resolved.[2]

There are also anecdotal accounts of POTS and fatigue going away after a craniocervical fusion to correct the brainstem compression.[3]

As the brainstem is central to regulating the autonomic nervous system, it is perhaps unsurprising that dysautonomia (such as POTS) can be corrected by correcting brainstem compression.

Diagnosis[edit | edit source]

Brainstem compression is diagnosed via dynamic imaging, such as flexion-extension MRIs and rotational CT scans. The most common measurements used to diagnose and quantify brainstem compression are the Clivo-Axial Angle, the Grabb-Oakes Measurement, and the Basion-Dens Interval.[2]

Treatment[edit | edit source]

A cervical collar can be tried to see if it helps alleviate the neurological symptoms (even if only partially). However, a cervical collar is not an actual treatment for CCI. The standard treatment to correct brainstem compression is a craniocervical fusion surgery,[2] performed by a CCI-literate neurosurgeon.

See also[edit | edit source]

  • Craniocervical instability
  • Cervical stenosis
  • Autonomic control of energy metabolism

References[edit | edit source]

  1. 1.0 1.1 Henderson, Fraser C.; Henderson, Fraser C.; Wilson, William A.; Mark, Alexander S.; Koby, Myles (March 3, 2017). "Utility of the clivo-axial angle in assessing brainstem deformity: pilot study and literature review". Neurosurgical Review. 41 (1): 149–163. doi:10.1007/s10143-017-0830-3. ISSN 0344-5607. PMC 5748419. PMID 28258417.
  2. 2.0 2.1 2.2 2.3 2.4 Henderson, Fraser C.; Wilson, William A.; Mott, Stephen; Mark, Alexander; Schmidt, Kristi; Berry, Joel K.; Vaccaro, Alexander; Benzel, Edward (July 16, 2010). "Deformative stress associated with an abnormal clivo-axial angle: A finite element analysis". Surgical Neurology International. 1. doi:10.4103/2152-7806.66461. ISSN 2152-7806. PMC 2940090. PMID 20847911.
  3. "Have you ruled out Chiari as a cause of your CFS". Phoenix Rising ME / CFS Forums. Retrieved October 26, 2018.