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Thiago Celestino Chulam, Renan Bezerra Lira, Luiz Paulo Kowalski
OBJECTIVE: to evaluate the thickness of the gastric wall at the time of intra gastric balloon (IGB) placement, at the time of its withdrawal and one month after withdrawal. METHODS: fifteen morbidly obese patients underwent the introduction of IGB under general anesthesia. In all patients, there was infusion of 500ml of distilled water in the balloon for the test. Measurements of the thickness of the gastric wall were made in the antrum, body and proximal body, using a radial echoendoscope with a frequency of 12MHz and maximum zoom, and its own balloon inflated with 5ml of distilled water...
July 2016: Revista do Colégio Brasileiro de Cirurgiões
Leandro Cardoso Barchi, Carlos Eduardos Jacob, Cláudio José Caldas Bresciani, Osmar Kenji Yagi, Donato Roberto Mucerino, Fábio Pinatel Lopasso, Marcelo Mester, Ulysses Ribeiro-Júnior, André Roncon Dias, Marcus Fernando Kodama Pertille Ramos, Ivan Cecconello, Bruno Zilberstein
INTRODUCTION: Minimally invasive surgery widely used to treat benign disorders of the digestive system, has become the focus of intense study in recent years in the field of surgical oncology. Since then, the experience with this kind of approach has grown, aiming to provide the same oncological outcomes and survival to conventional surgery. Regarding gastric cancer, surgery is still considered the only curative treatment, considering the extent of resection and lymphadenectomy performed...
April 2016: Arquivos Brasileiros de Cirurgia Digestiva: ABCD, Brazilian Archives of Digestive Surgery
Henrique Rasia Bosi, José Ricardo Guimarães, Leandro Totti Cavazzola
BACKGROUND: The inguinal hernia is one of the most frequent surgical diseases, being frequent procedure and surgeon´s everyday practice. AIM: To present technical details in making hernioplasty using robotic equipment on bilateral inguinal hernia repair with single port and preliminary results with the method. METHOD: The bilateral inguinal hernia repair was performed by using the Single-Site(c) Da Vinci Surgical Access Platform to the abdominal cavity and the placement of clamps...
April 2016: Arquivos Brasileiros de Cirurgia Digestiva: ABCD, Brazilian Archives of Digestive Surgery
Ricardo Mingarini Terra, Pedro Henrique Xavier Nabuco de Araujo, Leticia Leone Lauricella, José Ribas Milanez de Campos, Herbert Felix Costa, Paulo Manuel Pego-Fernandes
OBJECTIVE: To describe the implementation of a robotic thoracic surgery program at a public tertiary teaching hospital and to analyze its initial results. METHODS: This was a planned interim analysis of a randomized clinical trial aimed at comparing video-assisted thoracoscopic surgery and robotic surgery in terms of the results obtained after pulmonary lobectomy. The robotic surgery program developed at the Instituto do Câncer do Estado de São Paulo, in the city of São Paulo, Brazil, is a multidisciplinary initiative involving various surgical specialties, as well as anesthesiology, nursing, and clinical engineering teams...
May 2016: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
Pier Francesco Bassi
No abstract text is available yet for this article.
October 2015: Urologia
Qingdu Li, Jianli Guo, Xiao-Song Yang
We present some rich new complex gaits in the simple walking model with upper body by Wisse et al. in [Robotica 22, 681 (2004)]. We first show that the stable gait found by Wisse et al. may become chaotic via period-doubling bifurcations. Such period-doubling routes to chaos exist for all parameters, such as foot mass, upper body mass, body length, hip spring stiffness, and slope angle. Then, we report three new gaits with period 3, 4, and 6; for each gait, there is also a period-doubling route to chaos. Finally, we show a practical method for finding a topological horseshoe in 3D Poincaré map, and present a rigorous verification of chaos from these gaits...
September 2014: Chaos
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