Key result
New pediatric hypertension is linked to ~9% lower GFR and increased retinal vessel density.
Why the study?
Do children and adolescents with newly diagnosed hypertension exhibit early changes in kidney injury markers and retinal vascular density compared to normotensive controls?
Observational (n=71)
Do children and adolescents with newly diagnosed hypertension exhibit early changes in kidney injury markers and retinal vascular density compared to normotensive controls?
Answers are grounded in this paper and cite their sources.
Newly diagnosed hypertension in pediatric patients is associated with early signs of kidney hypofiltration and altered retinal microvasculature detectable by OCT-A.
Background Early detection of ophthalmological and kidney complications of hypertension in children and adolescents may play a significant role in prophylaxis and prevent irreversible organ damage. This study aimed to assess standard kidney injury markers (creatinine, urea, uric acid, cystatin C, 24-h microalbuminuria), as well as potential ophthalmological changes using optical coherence tomography (OCT) and optical coherence tomography angiography (OCT-A) in the early course of newly diagnosed hypertension in children and adolescents. Methods The study group consisted of 56 children and adolescents with newly diagnosed hypertension who had not received antihypertensive treatment prior to the study. Fifteen individuals served as controls. The ECHO, abdominal ultrasound, ophthalmological examination, urine and blood tests were performed. Results The concentration of cystatin C was increased in patients with hypertension. Children and adolescents with hypertension had decreased values of GFR (90.31 ± 13.00 ml/min/1.73 m 2 ), estimated by the Filler equation, compared to subjects with optimal values of blood pressure (99.00 ± 9.27 ml/min/1.73 m 2 ). The data revealed statistically significant differences in the retinal vessel density analyzed by OCT-A, which was decreased in the control group compared with the study group. Conclusions Pediatric patients with newly diagnosed hypertension have increased concentrations of cystatin C and hypofiltration estimated by the Filler equation. OCT-A might be considered a diagnostic tool for better understanding the early process of microvascular changes and the influence of concomitant comorbidities in newly diagnosed systemic hypertension.
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Maćkowiak-Lewandowicz et al. (2026) conducted an observational in Newly diagnosed hypertension (n=71). Newly diagnosed hypertension vs. Normotensive controls was evaluated on GFR estimated by the Filler equation (ml/min/1.73 m2). Newly diagnosed hypertension in children and adolescents was associated with decreased GFR and increased retinal vessel density compared to normotensive controls.
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