An evaluation of uterine scar integrity after cesarean section in rabbits. 1989

D R Dunnihoo, and W N Otterson, and J B Mailhes, and D F Lewis, and W D Grafton, and C C Brown
Department of Obstetrics and Gynecology, Louisiana State University Medical Center, Shreveport.

Cesarean sections were performed on 30 rabbits at term pregnancy. Two incisions were made in each of the two uterine horns, and each incision was closed according to a predetermined method (continuous, everted; continuous, inverted; interrupted, everted; or interrupted, inverted). Tissue from the uterine scar region was sampled at three different time periods (5-8 days, 12-15 days, or 28-30 days) post-surgery to evaluate the degree of uterine healing by a variety of histologic criteria. The initial healing response in the scarred region occurred around 28-30 days post-surgery. The different uterine closure techniques did not appreciably influence the healing response in this study. We evaluated tensile strength in 36 uterine muscle specimens containing the scar obtained from nine animals in the 28-32-days post-surgery group. Of these 36 specimens, 86.1% tore through the muscle instead of through the scar when tension was applied to the muscle.

UI MeSH Term Description Entries
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D011817 Rabbits A burrowing plant-eating mammal with hind limbs that are longer than its fore limbs. It belongs to the family Leporidae of the order Lagomorpha, and in contrast to hares, possesses 22 instead of 24 pairs of chromosomes. Belgian Hare,New Zealand Rabbit,New Zealand Rabbits,New Zealand White Rabbit,Rabbit,Rabbit, Domestic,Chinchilla Rabbits,NZW Rabbits,New Zealand White Rabbits,Oryctolagus cuniculus,Chinchilla Rabbit,Domestic Rabbit,Domestic Rabbits,Hare, Belgian,NZW Rabbit,Rabbit, Chinchilla,Rabbit, NZW,Rabbit, New Zealand,Rabbits, Chinchilla,Rabbits, Domestic,Rabbits, NZW,Rabbits, New Zealand,Zealand Rabbit, New,Zealand Rabbits, New,cuniculus, Oryctolagus
D002585 Cesarean Section Extraction of the FETUS by means of abdominal HYSTEROTOMY. Abdominal Delivery,Delivery, Abdominal,C-Section (OB),Caesarean Section,Postcesarean Section,Abdominal Deliveries,C Section (OB),C-Sections (OB),Caesarean Sections,Cesarean Sections,Deliveries, Abdominal
D002921 Cicatrix The fibrous tissue that replaces normal tissue during the process of WOUND HEALING. Scars,Cicatrization,Scar,Scarring
D005260 Female Females
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013536 Suture Techniques Techniques for securing together the edges of a wound, with loops of thread or similar materials (SUTURES). Suture Technics,Suture Technic,Suture Technique,Technic, Suture,Technics, Suture,Technique, Suture,Techniques, Suture
D014599 Uterus The hollow thick-walled muscular organ in the female PELVIS. It consists of the fundus which is the site of EMBRYO IMPLANTATION and FETAL DEVELOPMENT. Beyond the isthmus at the perineal end of fundus, is CERVIX UTERI (the neck) opening into VAGINA. Beyond the isthmi at the upper abdominal end of fundus, are the FALLOPIAN TUBES. Fundus Uteri,Uteri,Uterine Cornua,Uterine Fundus,Uterus Cornua,Womb,Cornua, Uterine,Fundus Uterus,Fundus, Uterine,Uteri, Fundus,Wombs

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