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Ex Vivo Perfusion of the Rodent Placenta
Published on: May 30, 2019
Abruptio placentae in the baboon (Papio spp.).
M H Schenone1, N Schlabritz-Loutsevitch, J Zhang
1Department of Obstetrics and Gynecology, University of Tennessee Health Science Center, Memphis, TN 38103-2896, USA.
Placenta
|January 24, 2012
Summary
Placental abruption, a severe pregnancy complication, was studied in baboons. Findings show clinical and pathological similarities to humans, despite differences in placental development, offering insights into abruption mechanisms.
Area of Science:
- Reproductive Biology
- Primate Medicine
- Obstetrics
Background:
- Placental abruption poses significant risks to perinatal health.
- Limited clinical options exist for preventing and treating placental abruption, particularly in preterm human births.
- Understanding placental adhesion mechanisms is crucial for developing preventative strategies.
Purpose of the Study:
- To investigate placental abruption in a baboon (Papio spp.) colony.
- To compare the incidence, clinical presentation, and pathological findings of placental abruption in baboons to those in humans.
- To explore potential mechanisms counteracting shallow trophoblast invasion in baboons.
Main Methods:
- Analysis of baboon placentas collected between 2002 and 2008.
- Histological evaluation by two veterinary pathologists and one certified physician pathologist.
- Diagnosis of placental abruption based on established pathological criteria.
Main Results:
- A prevalence of 0.9% for placental abruption was observed in 2423 baboon live births.
- Common clinical signs included fetal demise and vaginal bleeding.
- Key pathological findings were intraplacental hemorrhages, decidual necrosis, and neutrophil infiltration, consistent in term and preterm deliveries.
Conclusions:
- This study represents the first systematic investigation of placental abruption in non-human primates.
- Clinical and pathological features of baboon placental abruption largely mirror human cases, despite variations in trophoblast invasion.
- The findings suggest compensatory anti-abruption mechanisms may be present in baboons.
