ArticlePediatric nephrology (Berlin, Germany)2026
Young adults born moderately to extremely preterm have higher eGFR and cystatin C compared to young adults born at term.
Article in Pediatric nephrology (Berlin, Germany), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundAdolescents and adults born preterm are at increased risk for kidney dysfunction, possibly secondary to incomplete nephrogenesis. However, few long-term follow-up studies are available from U.S.-born preterm cohorts.
methodsUsing the Parkland Hospital Neonatal Intensive Care Unit Registry (Dallas, TX), patients aged 12-40 years born ≤ 32 weeks gestation or < 1500 g were recruited, along with healthy term-born similarly aged participants. Study procedures included anthropometrics, vitals, and basic laboratory testing. Glomerular filtration rate (eGFR) was calculated using the CKD-Epi Creatinine Equation (2021). Least squares regressions were used to determine the main effect of neonatal and adult factors on markers of kidney function.
resultsParticipants included 103 preterm (GA 29.5 ± 2.5 wks, current age 26.1 ± 6.0 yrs) and 43 term (GA 39.2 ± 1.1 wks; current age 29.1 ± 7.3 yrs) individuals. Patients born prematurely had similar creatinine (0.73 ± 0.21 vs. 0.82 ± 0.21 mg/dL; p = 0.112), higher eGFR (120.5 ± 17.76 vs. 112.4 ± 16.28 mL/min/1.73 m
conclusionDespite similar creatinine, individuals born prematurely had higher eGFR and higher cystatin C. The elevated eGFR suggests a potential hyperfiltrative state, while the elevated cystatin C suggests increased risk for progression to chronic kidney disease.
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