Pure-transvaginal natural orifice transluminal endoscopic surgery (NOTES) ovariohysterectomy in bitches: a preliminary feasibility study

Silva, Marco Augusto Machado Faculdade de Ciências Agrárias e Veterinárias ); Toniollo, Gilson Hélio; Cardoso, Karym Christine de Freitas; Quarterone, Carolina; Brun, Maurício Veloso

doi:10.1590/s0103-84782012005000050

Cited by 6 publications

(21 citation statements)

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“…Incisions that encompass two-thirds of the length between the umbilicus and the pubis are usually wide enough in order to perform conventional ovariohysterectomy in bitches (MacPhail, 2013). On the other hand, the incision site was appropriate for approaching the uterine body in both total-NOTES and SPLA techniques, corroborating other trials Silva et al, 2012).…”

Section: Discussionsupporting

confidence: 84%

“…Moreover, it is important to highlight that one of the most important benefits of the total-NOTES OVH concerns the surgical wound. The single-incision is located within the vaginal canal, which avoids complications, such as selftrauma, evisceration and the need for protection collars (Silva et al, 2012).…”

Section: Discussionmentioning

confidence: 99%

“…The abdomen was aseptically prepared for surgery and antisepsis of the vaginal and vulva were carried out using povidone-iodine 0.5% solution diluted in sterile normal saline, as described previously (Brun et al, 2011, Silva et al, 2012. Bladder was emptied using 6-8 fr.…”

Section: Thismentioning

confidence: 99%

“…A 10mmHg CO 2 pneumoperitoneum was created using a 1-2 L/min flow rate and the total-NOTES OVH was performed using the technique described by Silva et al (2012). A 10mm straight-angled telescope with a 6mm working channel (26038 AA -Karl Storz™, Germany.…”

Section: Thismentioning

confidence: 99%

“…A feasibility study of ovariohysterectomy performed using a single transvaginal port in bitches, which was called pure-NOTES OVH, was performed (Silva et al, 2012). The main advantages of the pure-NOTES OVH were the absence of need for special wound care, decreased surgical trauma and lack of complications of the surgical wound, while the main limitations included poor instrument reach in larger dogs and large amount of fat tissue surrounding the ovarian bursa and pedicle in some patients.…”

Section: Introductionmentioning

confidence: 99%

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Surgical time and complications of total transvaginal (total-NOTES), single-port laparoscopic-assisted and conventional ovariohysterectomy in bitches

Silva

Toniollo

Flôres

et al. 2015

Arq. Bras. Med. Vet. Zootec.

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The recently developed minimally invasive techniques of ovariohysterectomy (OVH) have been studied in dogs in order to optimize their benefits and decrease risks to the patients. The purpose of this study was to compare surgical time, complications and technical difficulties of transvaginal total-NOTES, singleport laparoscopic-assisted and conventional OVH in bitches. Twelve bitches were submitted to total-NOTES (NOTES group), while 13 underwent single-port laparoscopic-assisted (SPLA group) and 15 were submitted to conventional OVH (OPEN group). Intra-operative period was divided into 7 stages: (1) access to abdominal cavity; (2) pneumoperitoneum; approach to the right (3) and left (4) ovarian pedicle and uterine body (5); (6) abdominal or vaginal synthesis, performed in 6 out of 12 patients of NOTES; (7) inoperative time. Overall and stages operative times, intra and postoperative complications and technical difficulties were compared among groups. Mean overall surgical time in NOTES (25.7±6.8 minutes) and SPLA (23.1±4.0 minutes) groups were shorter than in the OPEN group (34.0±6.4 minutes) (P<0.05). The intraoperative stage that required the longest time was the approach to the uterine body in the NOTES group and abdominal and cutaneous sutures in the OPEN group. There was no difference regarding the rates of complications. Major complications included postoperative bleeding requiring reoperation in a bitch in the OPEN group, while minor complications included mild vaginal discharge in four patients in the NOTES group and seroma in three bitches in the SPLA group. In conclusion, total-NOTES and SPLA OVH were less time-consuming then conventional OVH in bitches. All techniques presented complications, which were properly managed.Keywords: canine, spay, laparoscopy, operative time, transvaginal approach Palavras-chave: caninos, castração, laparoscopia, tempo operatório, abordagem transvaginal RESUMO O emprego de novas técnicas minimamente invasivas de ovário-histerectomia (OHE) vem sendo estudado em cães com o intuito de otimizar seus benefícios e reduzir os riscos aos pacientes. O presente estudo objetivou comparar o tempo cirúrgico, as complicações e dificuldades técnicas entre as abordagens por total-NOTES transvaginal, videoassistida com único portal e por celiotomia para ovário-histerectomia (OVH) em cadelas. Foram operados 12 animais por total-NOTES (grupo NOTES), 13 pela técnica videoassistida (grupo SPLA) e 15 pela técnica convencional (grupo OPEN

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Section: Discussionsupporting

confidence: 84%

Section: Discussionmentioning

confidence: 99%

Section: Thismentioning

confidence: 99%

Section: Thismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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