Shorter Periconception Maternal Telomere Length and the Risk of Congenital Cardiac Outflow Defects in the Offspring

Overview

Journal Eur J Clin Invest

Publisher Wiley

Specialty General Medicine

Date 2022 Mar 29

PMID 35347712

Authors

Damiat Aoulad Fares

Rosalieke E Wiegel

Alex J Eggink

Sten P Willemsen

Joyce B J van Meurs

Regine P M Steegers-Theunissen

Affiliations

Soon will be listed here.

Abstract

Background: Congenital cardiac outflow defects (COD) are the largest group of congenital heart defects, with ventricular septal defect (VSD) as the most prevalent phenotype. Increased maternal age, excessive oxidative stress and inflammation are involved in the pathophysiology of COD and enhance telomere length (TL) shortening. We investigated the association between periconception maternal TL and the risk of having a child with COD.

Methods: From a multicentre case-control trial, 306 case mothers of a child with COD and 424 control mothers of a child without a congenital malformation were selected. Relative TL was measured by qPCR. Multivariable logistic regression was used to compute crude and adjusted odds ratios, per standard deviation decrease, between maternal T/S ratio and COD and VSD risk. Adjustments were made for maternal age. Additional adjustments were made in a second model.

Results: Shorter maternal relative TL was significantly associated with an OR of 1.29 (95% CI 1.04-1.61), p = .02, for the risk of VSD in offspring, which remained significant after an adjustment for maternal age (adjOR 1.25(95% CI 1.01-1.55), p = .04). No association between maternal TL and the risk of overall COD in offspring was observed.

Conclusion: Shorter maternal relative TL is associated with an approximately 1.3-OR for the risk, per SD in relative TL shortening, of VSD in the offspring. These findings need further confirmation in other studies on the predictive value of maternal TL.

Citing Articles

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PMID: 37447397 PMC: 10346763. DOI: 10.3390/nu15133071.

Shorter periconception maternal telomere length and the risk of congenital cardiac outflow defects in the offspring.

Aoulad Fares D, Wiegel R, Eggink A, Willemsen S, van Meurs J, Steegers-Theunissen R Eur J Clin Invest. 2022; 52(8):e13784.

PMID: 35347712 PMC: 9540113. DOI: 10.1111/eci.13784.

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