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Revista chilena de obstetricia y ginecología

versión On-line ISSN 0717-7526

Resumen

HASBUN H, Jorge et al. TROMBOHEMATOMA SUBCORIONICO MASIVO: UNA PATOLOGÍA PLACENTARIA EMERGENTE. Rev. chil. obstet. ginecol. [online]. 2010, vol.75, n.5, pp. 329-338. ISSN 0717-7526.  http://dx.doi.org/10.4067/S0717-75262010000500010.

Subchorial thrombohaematoma is caused by blood extravasations in the corionic plate, between amnion and chorion. It is a rare pathologic entity, that carries a high perinatal risk, which has not being published in our country up to now. We report 12 cases in which the diagnosis was suspected before birth, and confirmed in the placentary pathological examination. We describe the clinical presentation, fetal and maternal risks, ultrasonographic findings, treatment and clinical outcomes. In 9 patients a latent phase was identified with a stable size hematoma, which had a mean duration of 7.3 weeks. In 8 cases the latent phase was followed by an active phase, with increasing size of the hematoma associated with preterm labour. Three pregnant women had severe complications which caused one maternal death. Six had severe anemia and other three had minor complications. Eight had preterm labor symptoms which required tocolysis. Three had prelabour rupture of membranes, one cholestasis disease and preeclampsia. Preterm labours were at 36, 33 and other ten before 32 weeks of gestation. Seven preterm newborns weight less than 1000 grams and six had severe fetal restriction (p<5). Newborn complications were related with prematurity, requiring prolonged hospitalization (mean 74 days, range 6-298 days). Ten newborns survived. There were 1 still birth and 1 dead newborn. Survival rate was 83.3% and 16.6% mortality, better rates than previously published.

Palabras clave : Hematoma; thrombo; chorion; placenta.

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