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Ehlers-Danlos Syndrome (EHD).

Timothy C. Hain, MD. Return to Index. Content last updated: September 5, 2018

Ehlers- Danlos syndrome is a connective tissue disorder with 13 subtyptes. Many are associated with distinct gene mutations. The most common syndrome, the hypermobile type, is autosomal dominant but the gene is yet unknown.

Here we are discussing only the Joint Hypermobility variant of EHD, and we are not considering the other variants.

Hypermobility is scored using the Beighten score. Cutoffs vary by age.

5 elements, and 1 point for each side (so could have 9 points max);

Beighton Score

Image is from https://www.physio-pedia.com/Beighton_score

  1. extension of fifth finger >90°;
  2. apposition of thumb to forearm;
  3. hyperextension of elbows beyond 190°;
  4. extension of knee beyond 190°;
  5. forward flexion of trunk, legs straight, and palms touching floor (1 point);

cutoffs vary with age, namely

This is because people get stiffer with age.

EHD is found more commonly in several types of dizziness --

According to Bendik et al, migraine is found in 75% of persons with the joint hypermobility variant of EHD.

References:

 

 

 

Copyright September 5, 2018 , Timothy C. Hain, M.D. All rights reserved. Last saved on September 5, 2018

Copyright September 5, 2018 , Timothy C. Hain, M.D. All rights reserved. Last saved on September 5, 2018