LILACS – Literatura Latinoamericana y del Caribe de Ciencias de la Salud | LILACS

Results: 10

Histopathological, ultrastructural, and immunohistochemical examination of changes in the placenta as a result of severe preeclampsia

Acta cir. bras; 38 (), 2023
Purpose: To investigate the role of hypoxia-inducible transcription factor-1 alpha (HIF-1α) and angiogenetic factor endothelin-1 (ET-1) expression in regulating hypoxia and placental development by routine histopathological methods. Methods: Twenty preeclamptic and normal placentas were used. Placenta t...

SARS-CoV-2 Infection and Placental Pathology Infecção por SARS-CoV-2 e patologia placentária

Abstract Placental pathophysiology in SARS-CoV-2 infection can help researchers understand more about the infection and its impact on thematernal/neonatal outcomes. This brief review provides an overview about some aspects of the placental pathology in SARSCoV- 2 infection. In total, 11 papers were inclu...

Oxidative stress effects in the uterus, placenta and fetus of pregnant rats submitted to acute and chronic stress

Acta cir. bras; 33 (9), 2018
Abstract Purpose: To evaluate the effects of oxidative stress in pregnant rats submitted to acute and chronic stress, relating to alterations in the uterus, placenta and fetus. Methods: Twenty-four female Wistar albino (Rattus norvegicus), were divided into four groups, for induction of oxidative str...

Placental weight and birth weight to placental weight ratio in monochorionic and dichorionic growth-restricted and non-growth-restricted twins

Clinics; 72 (5), 2017
OBJECTIVE: The aim of the present study was to compare the placental weight and birth weight/placental weight ratio for intrauterine growth-restricted and non-intrauterine growth-restricted monochorionic and dichorionic twins. METHODS: This was a retrospective analysis of placentas from twin pregnancies...

Preeclampsia: mediadores moleculares del daño placentario
Preeclampsia: molecular mediators of placental damage

La preeclampsia se constituye como una de las complicaciones más serias del embarazo y una causa importante de mortalidad materna y perinatal. Pese a ser una de las patologías del embarazo más estudiadas, muchas dudas e incertidumbre rondan aún acerca de su mecanismo fisiopatológico. En esta revisiÃ...

Malformaçöes fetais em gestaçäo múltipla
Fetal malformations and multiple pregnancy

Objetivos: demonstrar os tipos de malformaçöes em gestaçöes múltiplas assim como a influência da corionicidade nestes casos. Métodos: foram analisadas 169 gestaçöes múltiplas submetidas à avaliaçäo ultra-sonográfica no Setor de Medicina Fetal da Clínica Obstetrícia do Hospital das Clínic...

A placenta da gestante diabética

JUSTIFICATIVA: A pesquisa das alteraçöes histopatológicas das placentas de gestantes diabéticas visa encontrar respostas para as taxas aumentadas de morbidade e mortalidade perinatal. OBJETIVO GERAL: Analisar a influência da classificaçäo clínica de White sobre as alteraçöes histopatológicas d...