Journal
CLINICAL CHEMISTRY AND LABORATORY MEDICINE
Volume -, Issue -, Pages -Publisher
WALTER DE GRUYTER GMBH
DOI: 10.1515/cclm-2023-0294
Keywords
brain; IUGR; neurobiomarkers; newborn; pregnancy; S100B
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By measuring the concentration of S100B in maternal blood, it is possible to predict the occurrence of intrauterine growth restriction (IUGR) accurately. The study found that pregnant women who had lower S100B levels in early stages were more likely to develop IUGR later on, suggesting the feasibility of non-invasive early diagnosis and monitoring of IUGR.
Objectives: Intrauterine growth restriction (IUGR) represents one of the main causes of perinatal mortality and morbidity. Nowadays, IUGR early diagnosis is mandatory in order to limit the occurrence of multiorgan failure, especially the brain. Therefore, we investigated whether longitudinal S100B assessment in maternal blood could be a trustable predictor of IUGR.Methods: We conducted a prospective study in 480 pregnancies (IUGR: n=40; small for gestational age, SGA: n=40; controls: n=400) in whom S100B was measured at three predetermined monitoring time-points (T1: 8-18 GA; T2: 19-23 GA; T3: 24-28 GA).Results: Lower S100B in IUGR fetuses than SGA and controls (p<0.05, for all) at T1-T3. Receiver operating characteristic curve showed that S100B at T1 was the best predictor of IUGR (sensitivity: 100 %; specificity: 81.4 %) than T2, T3.Conclusions: The early lower S100B concentration in pregnant women lately complicated by IUGR support the notion that non-invasive early IUGR diagnosis and monitoring is becoming feasible. Results open the way to further studies aimed at diagnosing and monitoring fetal/maternal diseases at earliest time.
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