Microvascular status and skin thickness in adults with hypermobile Ehlers-Danlos syndrome: a pilot investigation

Clin Exp RheumatolPublished Case-control study

Authors' conclusion

Our study detected in hEDS patients a normal microvascular function at rest and a suitable capillary morphology but with increased microvascular fragility. The dermal thickness seems thinner in hEDS patients than in controls in most skin areas, with strong statistically significance at the level of feet and thorax.

Study context

Population
Adults with hypermobile Ehlers-Danlos syndrome and sex- and age-matched controls
Comparison
Hypermobile Ehlers-Danlos Syndrome (hEDS) vs sex- and age-matched controls
Outcome
Microvascular morphology (nailfold videocapillaroscopy (NVC)), peripheral blood perfusion (laser speckle contrast analysis (LASCA)) and dermal thickness (high-frequency skin US, 22 MHz)
Methodological detailspilot, sex- and age-matched controls
  • Pilot
  • Sex- and age-matched controls

Main finding

As reported in the abstract

Microvascular morphology, perfusion and dermal thickness
  • Microhaemorrhages more prevalent in hEDS than controls
  • Nailfold capillary number per linear mm slightly higher and abnormal-shaped capillary score slightly lower in hEDS, not statistically significant
  • Peripheral blood perfusion (PBP) comparable between hEDS and controls
  • Dermal thickness (DT) generally lower in hEDS than controls
  • hEDS vs Controls: P = 0.04

Observational data: associations, not effects.

Further findings

Correlation of Beighton score with microhaemorrhage score

Positive correlation, r
0.4
P
P = 0.05

Correlation of Beighton score with DT at feet and thorax

Positive correlation, r
≥0.5
P
P ≤ 0.02

Original publication

Microvascular status and skin thickness in adults with hypermobile Ehlers-Danlos syndrome: a pilot investigation. Clin Exp Rheumatol. Published 13 June 2023. doi:10.55563/clinexprheumatol/nrs4mp

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