CC BY-NC-ND 4.0 · Rev Bras Ginecol Obstet 2017; 39(01): 09-13
DOI: 10.1055/s-0037-1598602
Original Article
Thieme-Revinter Publicações Ltda Rio de Janeiro, Brazil

Prevalence of Hypertrophic Cardiomyopathy in Fetuses of Mothers with Gestational Diabetes before Initiating Treatment

Prevalência de miocardiopatia hipertrófica em fetos de mães com diabetes gestacional antes do tratamento
Carolina Rossi Palmieri
1   Health and Environment Master Program, Universidade da Região de Joinville (Univille), Joinville, Santa Catarina, Brazil
,
Mona Adalgisa Simões
2   Department of Neonatology, Maternidade Darcy Vargas, Joinville, Santa Catarina, Brazil
,
Jean Carl Silva
3   Department of Medicine, Universidade da Região de Joinville (Univille), Joinville, Santa Catarina, Brazil
,
Anelise Darabas dos Santos
4   Universidade da Região de Joinville (Univille), Joinville, Santa Catarina, Brazil
,
Mariana Ribeiro e Silva
4   Universidade da Região de Joinville (Univille), Joinville, Santa Catarina, Brazil
,
Bruna Ferreira
4   Universidade da Região de Joinville (Univille), Joinville, Santa Catarina, Brazil
› Author Affiliations
Further Information

Publication History

05 July 2016

15 December 2016

Publication Date:
28 February 2017 (online)

Abstract

Objective To evaluate the prevalence of hypertrophic cardiomyopathy (HCM) in fetuses of pregnant women with gestational diabetes mellitus (GDM) in the beginning of the treatment.

Methods A cross-sectional study was performed between July 1, 2013, and December 20, 2013, in a public maternity clinic in southern Brazil. The subjects were 63 fetuses of mothers with gestational diabetes, with a single pregnancy and no other associated pathologies. We diagnosed HCM through a fetal echocardiography before treatment and evaluated the maternal and fetal characteristics.

Results The average age of the pregnant women was 32.32 (±6.2) years, and the average gestational age at the time of the evaluation was 30.59 (±2.27) weeks. The interventricular septum thickness showed a standard deviation of more than two in 50.8% of the fetuses (95% confidence interval [95%CI]: 38.1–63.5%). The left ventricular wall thickness showed a standard deviation of more than 2 in 13 (20.6%) fetuses (95%CI: 11.1–30.2%). The HCM was confirmed in 54% of the fetuses (95%CI: 41.3–65.1%). The fetal abdominal circumference was normal in 46 (73%) fetuses, and 50% of these fetuses had HCM.

Conclusion The prevalence of hypertrophic cardiomyopathy in fetuses of pregnant women with GDM before treatment was of 54% (95%CI: 41.3–65.1%).

Resumo

Objetivo Avaliar a prevalência de miocardiopatia hipertrófica em fetos de gestantes com diabetes mellitus gestacional antes do início do tratamento.

Métodos Foi realizado um estudo de corte transversal, no período de 1o de julho de 2013 até 20 de dezembro de 2013, em uma maternidade pública. Foram objetos do estudo 63 fetos de gestantes portadoras de diabetes mellitus gestacional (DMG), em gestação única e sem outras patologias associadas. Foi realizada ecocardiografia fetal antes do início do tratamento do diabetes. O diagnóstico de miocardiopatia hipertrófica (MH) foi realizado quando a medida do septo interventricular ou da parede ventricular estava superior a dois desvios-padrão. O desfecho primário avaliado foi presença de MH.

Resultados As gestantes apresentavam idade média de 32,32 (±6,2) anos, e a idade gestacional média no momento da avaliação foi de 30,59 (±2,27) semanas. A medida do septo interventricular estava acima de 2 desvios-padrão em 50,8% (intervalo de confiança de 95% [IC95%]: 38,1–63,5%). A parede do ventrículo esquerdo estava acima de 2 desvios-padrão em 13 fetos, totalizando 20,6% (IC95%: 11,1–30,2%). A MH estava presente em 54% dos fetos (IC95%: 41,3–65,1%). A circunferência abdominal fetal estava normal em 46 (73%) fetos, e destes, 50% apresentavam MH.

Conclusão A prevalência de MH em fetos de gestantes portadoras de DMG antes do tratamento foi de 54% (IC95% 41,3–65,1%).

 
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