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Desórdenes hipertensivos asociados a desprendimiento prematuro grave de placenta normoinserta

Author(s): Luzardo Antonio Canache Campos | Olivar Castejón

Journal: Salus Online
ISSN 1316-7138

Volume: 16;
Issue: 2;
Start page: 9;
Date: 2012;
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Keywords: Hypertensive disorder. Abruption placentae. Placental villi placental development

To evaluate the development of placental anchoring villi of the basal plate in hypertensive disorders of pregnancy associated with abruption placentae severe. Twenty placentas were examined. Seventeen patients with hypertensive disorders and three of normal pregnancy during the third trimester of gestation applying a protocol in order to determine types of villi according to their development and degenerative changes found with light microscopy. We found 91% of stem villi, 92% of intermediate mature villi, 28% of intermediate immature villi, 47% of terminal villi, 92% with peripheral and 44% vascular sincitial membrane and 44% central vascular sincitial membrane also remarkable degenerative changes, as fibrinoide deposits and trophoblastic necrosis in 100%, fibrous stroma 96%, edema 88% and hemorrhage 74%; moreover 92% off thrombosis, vascular congestion and changes vessel wall and mayor six vessel in 52%. Intervellous space have important changes as fibrin deposits in 84%, intervellous thrombosis 76% and intervellous attach 56%. All degenerative changes are statistically significant. Conclusion: An accelerated development of placental anchor villi or of other villous types near to basal plate were seen with simultaneous processes indicative of degeneration as extensive hypoxic villous damage and abnormal development
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