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1.
Rev. Bras. Saúde Mater. Infant. (Online) ; 21(2): 631-637, Apr.-June 2021. tab, graf
Article in English | LILACS | ID: biblio-1340663

ABSTRACT

Abstract Objectives: the aim of this study was to determine the prevalence of fetal tricuspid valve regurgitation (TR) during the third trimester of low-risk pregnancies and to assess its clinical significance on neonates. Methods: this is a cross-sectional study including 330 singleton fetuses referred for routine fetal echocardiography during 3rd trimester in a fetal medicine center in Recife, Brazil. The presence and degree of tricuspid regurgitation were analyzed. Whenever TR was identified on fetal echocardiography, postnatal data, including the results of postnatal echocardiography were reviewed. Results: the prevalence of tricuspid regurgitation was 10.0% (n=33) in the study population. Regarding regurgitation degree, 90.9% (n=30) presented mild regurgitation and none presented important TR. Postnatal data was obtained from 21 neonates. Twenty of them were discharged without any complications, and one presented respiratory distress due to prematurity. Transthoracic echocardiography was performed in 66.7% (n=14) of the neonates and it was normal in 92.9% (n=13) of them. One neonate, 7.1%, persisted with tricuspid regurgitation, but had no other findings. Conclusions: tricuspid regurgitation in fetuses with normal cardiac anatomy during the 3rd trimester is a common condition in low-risk pregnancies, and is not associated with cardiac abnormalities or need for neonatal intervention.


Resumo Objetivos: determinar a prevalência da regurgitação tricúspide (RT) em fetos no terceiro trimestre de gestações de baixo risco e investigar sua repercussão clínica nos recémnascidos. Métodos: trata-se de um estudo transversal incluindo 330 fetos encaminhados para realização de ecocardiograma fetal de rotina no terceiro trimestre da gestação num centro de medicina fetal em Recife, Brasil. A presença e o grau de insuficiência tricúspide foram estudados. Quando RT estava presente ao ecocardiograma fetal dados pós-natais, incluindo ecocardiograma, também foram analisados. Resultados: a prevalência de RT foi de 10,0% na população estudada, sendo que 90,9% (n=30) dos casos foram classificados como RT leve, e nenhum caso de RT importante foi identificado. Foram obtidos dados pós-natais de 21 recém-nascidos. Destes, 20 receberam alta hospitalar sem nenhuma complicação, enquanto 1 apresentou desconforto respiratório associado à prematuridade. Ecocardiograma transtorácico foi realizado em 66.7% (n=14) dos recém-nascidos avaliados, e foi normal em 92.9% (n=13) deles. Apenas 1 recém-nascido, 7.1%, persistiu com RT mas sem outros achados significativos. Conclusões: a RT em fetos com anatomia cardíaca normal é comum no terceiro trimestre de gestações de baixo risco e não parece associar-se a anomalias cardíacas ou necessidade de intervenção no período neonatal.


Subject(s)
Humans , Female , Pregnancy , Infant, Newborn , Pregnancy Trimester, Third , Tricuspid Valve Insufficiency/diagnosis , Tricuspid Valve Insufficiency/epidemiology , Echocardiography, Doppler/methods , Fetus/abnormalities , Fetus/diagnostic imaging , Heart Defects, Congenital , Postnatal Care , Prenatal Diagnosis , Brazil/epidemiology , Infant, Premature , Cross-Sectional Studies , Cardiovascular Abnormalities
2.
Mem. Inst. Oswaldo Cruz ; 106(5): 625-628, Aug. 2011. graf, tab
Article in English | LILACS | ID: lil-597725

ABSTRACT

Ocular toxoplasmosis can result in recurrent uveitis. Studies have shown that a correlation between active ocular toxoplasmosis and the presence of anti-Toxoplasma gondii secretory IgA (SIgA) in tears. This study compares anti-T. gondii SIgA levels in patients' tears during the acute and inactive phases of toxoplasmic uveitis. Twenty-nine positive tear specific SIgA for T. gondii patients with acute toxoplasmic uveitis were selected and were followed-up for at least two years, when the anti-T. gondii SIgA tears levels were determined. Specific SIgA for T. gondii was negative in 22 patients (75.86 percent) and positive in seven patients (24.13 percent) of whom six (85.7 percent) were followed over three years. Average SIgA levels during the acute phase are 1.54 and decrease significantly to 0.72 (p = 0.0001) during the inactive phase of disease. Because anti-T. gondii SIgA in the tear is negative in 75.86 percent of patients after the acute phase of infection, T. gondii SIgA levels may be used as a complementary diagnostic marker for active ocular toxoplasmosis.


Subject(s)
Adolescent , Adult , Aged , Humans , Middle Aged , Young Adult , Antibodies, Protozoan , Immunoglobulin A, Secretory , Tears/immunology , Toxoplasma/immunology , Toxoplasmosis, Ocular , Acute Disease , Biomarkers , Enzyme-Linked Immunosorbent Assay , Follow-Up Studies , Predictive Value of Tests , Sensitivity and Specificity , Tears
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