Transrectal access still has some unsolved issues such as spatial orientation, infection, access and site closure. This study presents a simple technique to perform transcolonic access with survival in a swine model series. A new technique for NOTES perirectal access to perform retroperitoneoscopy, peritoneoscopy, liver and lymphnode biopsies was performed in 6 pigs, using Totally NOTES technique. The specimens were extracted transanally. The flexible endoscope was inserted through a posterior transmural incision and the retrorectal space. Cultures of bacteria were documented for the retroperitoneal space and intra abdominal cavity after 14 days. Rectal site was closed using non-absorbable sutures. There was no bowel cleansing, nor preoperative fasting. The procedures were performed in 6 pigs through transcolonic natural orifice access using available endoscopic flexible instruments. All animals survived 14 days without complications, and cultures were negative. Histopathologic examination of the rectal closure site showed adequate healing of suture line and no micro abscesses. The results of feasibility and safety of experimental Transcolonic NOTES potentially brings new frontiers and future wider applications for minimally invasive surgery. The treatment of colorectal, abdominal and retroperitoneal diseases through a flexible Perirectal NOTES Access (PNA) is a promising new approach.

Developing a less invasive, practical and cost-effective operative technique for obesity treatment represents a pressing need for our society. In this way, intragastric single port sleeve by endoplication was tested in six pigs during 18 weeks. Celiotomy was performed with animal placed in dorsal decubitus position. Single port gastrostomy was performed and double tobacco pouch sutures were made in fundic region, making a gastric sleeve. At the end, stomach layers and skin were closed in a conventional manner. Means and the standard deviations of surgical time were calculated. The procedure was simple and all animals survived; there were no significant blood loss and no intra and postoperative complications. The procedure was fast (67.4 minutes). The technique has the advantage of not requiring the use of mechanical sutures, making it less costly. The innovation of this procedure was the use of a single port gastrostomy device to perform an intraluminal sleeve. What made this technique less invasive were the use of a single port, nonmanipulation of the stomach intra-abdominally, ease of execution and no need of pneumoperitoneum. The new technique is acceptable and has reproducible viability, had a short procedure time without intra and postoperative complications.

A displasia coxofemoral é uma afecção da articulação coxofemoral que acomete mais comumente cães de raças grandes. Várias técnicas cirúrgicas têm sido utilizadas para o tratamento dessa afecção e, dentre elas, se destaca a denervação percutânea da articulação coxofemoral em função de seu rápido tempo de recuperação, por ser pouco agressiva e por requerer um menor período anestésico. O objetivo do presente estudo foi avaliar a eficácia da técnica de denervação da articulação coxofemoral no tratamento de cães displásicos. Para tanto, foram utilizados seis cães com massas corporais entre 32 e 41 kg, das raças Dobermann, Pastor Alemão e Rottweiler, diagnosticados com displasia coxofemoral e submetidos a cirurgia de denervação percutânea da articulação coxofemoral. Os resultados mostraram que a técnica de denervação da articulação coxofemoral apresentou resultados favoráveis e satisfatórios para o tratamento da displasia coxofemoral em caninos.