A Sustainable Translational Sheep Model for Planned Cesarean Delivery of Contraction-Free Ewes.
Animal model
Animal welfare
Basic research
Cesarean section
Hysterotomy closure
Uterine sutures
Journal
Reproductive sciences (Thousand Oaks, Calif.)
ISSN: 1933-7205
Titre abrégé: Reprod Sci
Pays: United States
ID NLM: 101291249
Informations de publication
Date de publication:
17 Oct 2023
17 Oct 2023
Historique:
received:
29
05
2023
accepted:
14
09
2023
pubmed:
18
10
2023
medline:
18
10
2023
entrez:
17
10
2023
Statut:
aheadofprint
Résumé
We evaluated whether the sheep constitutes a useful translational model to evaluate anatomical and surgical aspects of cesarean delivery (CD) from a human medical perspective with the aim of both maternal and neonatal well-being. Our hypothesis was that CD in contraction-free ewes is not associated with major complications. Primary endpoint was the transferability of anatomical conditions and surgical techniques of CD from the ewe to the human. Secondary endpoints were maternal and fetal survival, occurrence of retained fetal membranes, metritis, mastitis, or wound infections. Forty-eight Merino ewes were delivered by CD after 95% gestation (142-144 days). Both ewes and newborn lambs were cared for intensively after the delivery. Ovine uterine anatomy during CD appeared slightly different but comparable to the human uterus. Uterine incisions were mostly performed in the uterine horns, not in the uterine corpus. The ovine uterine wall is thinner than in humans. All ewes survived without any major complications. Seventy-seven (88.5%) out of 87 live-born lambs survived without any complications. The contraction-free ewe constitutes an appropriate and safe model to evaluate anatomical and surgical aspects of CD from a human medical perspective. We present a step-by-step manual for successfully planned cesarean delivery for sheep including the perioperative management illustrated with photographs and a five-minute video. With adequate planning and a reasonable number of staff, it is possible to safeguard both maternal and neonatal survival. This sustainable translational medicine model offers additional potential for the offspring to be used for further research studies (e.g., transgenerational inheritance research).
Identifiants
pubmed: 37848643
doi: 10.1007/s43032-023-01365-y
pii: 10.1007/s43032-023-01365-y
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Informations de copyright
© 2023. The Author(s).
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