Pediatric rheumatology

Myocardial dysfunction is linked to endothelial dysfunction in JIA patients: a study of novel aortic circumferential strain

Pediatr Rheumatol Online JPublished Case-control study

Authors' conclusion

We believe that this study adds more evidence to the latter.

Study context

Population
Patients with JIA and controls
Comparison
JIA vs controls
  • JIAn = 22
Outcome
Correlation between extent of vascular (FMD, ACS) and myocardial (3D speckle tracking echocardiography, GLS) involvement

Main finding

As reported in the abstract

Correlation between ACS and GLS
  • Significant correlation between ACS and global longitudinal strain (GLS)

Observational data: associations, not effects.

Further findings

OutcomeJIAMedianControls
ACS and FMD15median 21
GLS1722

ACS and flow-mediated dilation (FMD)

Both ACS and FMD impaired in cases vs controls

GLS

GLS significantly reduced in cases vs controls

Vascular relaxibility and JADAS

Impaired vascular relaxibility associated with increased JADAS scores

Original publication

Myocardial dysfunction is linked to endothelial dysfunction in JIA patients: a study of novel aortic circumferential strain. Pediatr Rheumatol Online J. Published 25 August 2025. doi:10.1186/s12969-025-01073-8

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