Endoscopy and Endosurgery in Nonhuman Primates

Chai, Norin

doi:10.1016/j.cvex.2015.04.004

Cited by 6 publications

(12 citation statements)

References 3 publications

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“…As described in earlier studies, both endoscopy ( Chai, 2015 ; Song et al, 2019 ) and resection and anastomosis ( Edghill-Smith et al, 2002 ) can be used to perform intestinal biopsy. We previously reported on the sampling method and biopsy quality obtained by endoscopy ( Song et al, 2019 ).…”

Section: Dear Editormentioning

confidence: 99%

Successful implementation of intestinal resection and anastomosis in non-human primates suggests the possibility of longitudinal intestinal research

Wang

Song²,

et al. 2020

Zoological Research

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A: Intestinal resection and anastomosis surgical procedure: red arrow is end of intestinal incision; blue arrow is anastomotic intestinal tube; yellow arrow is mesenteric suture. B: Schematic of suture methods for various tissues and organs during intestinal resection and anastomosis. C: Schematic of biopsy preservation. D: Intestinal villus and fundamental structure observed by H&E and scanning electron microscope, arrow shows small intestine microvilli. E: Subsets and proportion of epithelial lymphocytes and lamina propria lymphocytes analyzed by flow cytometry. F: Structure of intestinal villi after EDTA digestion. G: Antigenic epitopes observed by immunofluorescence staining. H: RNA quality analysis.

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Section: Dear Editormentioning

confidence: 99%

Successful implementation of intestinal resection and anastomosis in non-human primates suggests the possibility of longitudinal intestinal research

Wang

Song²,

et al. 2020

Zoological Research

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“…It may be suspected that the size of the patients, allowing a good transabdominal palpation and localization of the uterus, permitted readjustment of the site of insertion more cranially to avoid the uterine fundus. It is worth noticing that while all the previous reports based on the initial description of the technique place the first trocar caudal to the umbilicus ( 14 , 17 , 20 , 50 , 53 ), the first access is located just cranially to the umbilicus in this study. This may contribute to an easier access to the contralateral oviduct even in pregnant patients and limit conflicts between instruments inside the abdominal cavity.…”

Section: Discussionmentioning

confidence: 87%

“…Laparoscopic tubectomy is a minimally-invasive intervention highly recommended as a substitute for conventional ovariectomy for permanent contraception of macaques as it does not induce observable hormonal alterations ( 49 ). It is associated with a lower incidence of intra- and post-operative complications ( 17 ) and significantly reduces the surgical and post-operative recovery times in primates ( 50 ). This fact is of paramount importance with social primates since prolonged separation of individuals is likely to jeopardize their reintroduction to social group.…”

Section: Discussionmentioning

confidence: 99%

“…While all previous reports combined coagulation of the oviducts followed by resection using endoscopic scissors of a section of each tube, that was removed from the abdominal cavity through the cannula ( 17 , 20 , 50 , 53 ), this study opted for thermocautery only. The oviduct is grasped and cauterized twice but no section is resected and removed.…”

Section: Discussionmentioning

confidence: 99%

“…Previous reports of laparoscopic tubectomy in macaques accessed each ovary from its own side ( 17 , 20 , 50 ) resulting in a three-port technique. More recently, both ovaries were accessed from the same side but maintained a three-port approach ( 14 ).…”

Section: Discussionmentioning

confidence: 99%

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Tubectomy of Pregnant and Non-pregnant Female Balinese Macaques (Macaca Fascicularis) With Post-operative Monitoring

et al. 2021

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Worldwide, primates, and humans increasingly share habitats and often enter in conflict when primates thrive in human-dominated environments, calling for special management measures. Reproductive control is increasingly used to manage population growth but very few monitoring data are available. Therefore, the efficiency and implications of such programs require a careful examination. In the context of a contraception program in wild female long-tailed macaques in Ubud, Bali, conducted over four successive campaigns between 2017 and 2019, including 140 females (i.e., 41.9% of the reproductive females of the population in 2019), modifications of an endoscopic tubectomy procedure, a permanent sterilization method, clinical evaluation of this method, and the post-operative monitoring results of the neutered females after release are described. This surgical approach was applicable for pregnant females: 28.6% of the treated females were pregnant at the time of the surgery. The procedure used a single lateral port to reach and cauterize both oviducts in non-pregnant as well as in early to mid-term pregnant females. Pregnant females nearer to term required a second lateral port to access both oviducts masked by the size of the gravid uterus. Moreover, bipolar thermocauterization was utilized successfully without resection to realize the tubectomy. The average duration of the laparoscopic surgery was 14 min for non-pregnant females and 22 min for pregnant females. Animals were released 3 h 22 min in average following their capture. This short holding time, recommended for free-ranging primates, was made possible by the minimal invasiveness of the sterilization approach. A laparoscopic post-operative evaluation conducted on two patients during the following campaign confirmed that the oviducts were definitely disrupted and no longer patent. Moreover, no new pregnancies in sterilized females were recorded during the 3-year observation period. The survival rate of the treated females 6 months after sterilization was high (96.3%) with no major post-operative complications clinically recorded. Among females that were pregnant during surgery, 81.1% were confirmed to experience term delivery. This study demonstrates the safety and efficiency of endoscopic tubectomy, even for pregnant females, as a mean of wild macaques' population control.

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Primate Surgery

Valverde¹,

Bicknese²

2021

Surgery of Exotic Animals

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Endoscopy and Endosurgery in Nonhuman Primates

Cited by 6 publications

References 3 publications

Successful implementation of intestinal resection and anastomosis in non-human primates suggests the possibility of longitudinal intestinal research

Successful implementation of intestinal resection and anastomosis in non-human primates suggests the possibility of longitudinal intestinal research

Tubectomy of Pregnant and Non-pregnant Female Balinese Macaques (Macaca Fascicularis) With Post-operative Monitoring

Primate Surgery

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