Repositório Comum
(5.564 recursos)
É um repositório para instituições de ensino e investigação produtoras de literatura científica cuja dimensão ainda não justifica a criação de um repositório próprio. Permite integrar instituições, grupos ou indivíduos na infra-estrutura do projecto, nomeadamente através das pesquisas do Portal RCAAP e da B-On.
2.
Laparoendoscopic single-site and natural orifice transluminal endoscopic surgery in urology: a critical analysis of the literature - Autorino, R; Cadeddu, JA; Desai, MM; Gettman, M; Gill, IS; Kavoussi, LR; Lima, E; Montorsi, F; Richstone, L; Stolzenburg, JU; Kaouk, JH
CONTEXT:
Natural orifice transluminal endoscopic surgery (NOTES) and laparoendoscopic single-site surgery (LESS) have been developed to benefit patients by enabling surgeons to perform scarless surgery.
OBJECTIVE:
To summarize and critically analyze the available evidence on the current status and future perspectives of LESS and NOTES in urology.
EVIDENCE ACQUISITION:
A comprehensive electronic literature search was conducted in June 2010 using the Medline database to identify all publications relating to NOTES and LESS in urology.
EVIDENCE SYNTHESIS:
In urology, NOTES has been completed experimentally via transgastric, transvaginal, transcolonic, and transvesical routes. Initial clinical experience has shown that NOTES urologic surgery using currently available instruments is indeed possible. Nevertheless,...
3.
The incidence of cancer and potential role of sirolimus immunosuppression conversion on mortality among a single-center renal transplantation cohort of 1,816 patients - Branco, F; Cavadas, V; Osório, L; Carvalho, F; Martins, L; Dias, L; Castro-Henriques, A; Lima, E
INTRODUCTION:
The chronic use of immunosuppressive drugs in renal transplant recipients increases the risk of developing de novo malignancies. Herein we analyze the incidence of de novo tumors and the potential role of sirolimus to improve cancer-specific survival among a cohort at a single center.
METHODS:
This retrospective analysis of our 1,816 patients allografted between January 1983 and December 2009 sought subjects who developed de novo tumors. Epidemiological and clinical data were examined using Mann-Whitney and Pearson's chi-square or Fisher exact tests for statistical comparisons of continuous and categorical variables, respectively. Kaplan-Meier survival curves were used to determine cancer-specific survival according to type...
4.
Tratamiento quirúrgico de duplicidad peneana completa - Carvalho, AP; Ramires, R; Soares, J; Carvalho, LF; Filinto, M
Penile duplication is a rare anomaly with an incidence of 1 in 5,500,000. It is almost associated with other malformations like double bladder, presence of the cloaca, imperforate anus, duplication of the recto sigmoid and vertebral deformities. The authors present the surgical technique to resolve a rare case of complete penile duplication in a 4 years old child, without any other malformation.
6.
Third-generation nephrectomy by natural orifice transluminal endoscopic surgery - Lima, E; Rolanda, C; Pêgo, JM; Henriques-Coelho, T; Silva, D; Osório, L; Moreira, I; Carvalho, JL; Correia-Pinto, J
PURPOSE:
Recently there has been increasing enthusiasm for performing simple abdominal procedures by transgastric surgery. We previously reported the usefulness of a combined transgastric and transvesical approach to cholecystectomy. In this study we assessed the feasibility of combined transgastric and transvesical approach for performing a more complex surgical procedure, such as nephrectomy, in a porcine model.
MATERIALS AND METHODS:
In a nonsurvival study combined transgastric and transvesical approaches were established in 6 female pigs. Under ureteroscope guidance we installed a transvesical 5 mm over tube into the peritoneal cavity and a flexible gastroscope was passed orally into the peritoneal cavity by a gastrotomy....
7.
Endoscopic closure of transmural bladder wall perforations - Lima, E; Rolanda, C; Osório, L; Pêgo, JM; Silva, D; Henriques-Coelho, T; Carvalho, JL; Bergström, M; Park, PO; Mosse, CA; Swain, P; Correia-Pinto, J
BACKGROUND:
Traditionally, intraperitoneal bladder perforations caused by trauma or iatrogenic interventions have been treated by open or laparoscopic surgery. Additionally, transvesical access to the peritoneal cavity has been reported to be feasible and useful for natural orifice translumenal endoscopic surgery (NOTES) but would be enhanced by a reliable method of closing the vesicotomy.
OBJECTIVE:
To assess the feasibility and safety of an endoscopic closure method for vesical perforations using a flexible, small-diameter endoscopic suturing kit in a survival porcine model.
DESIGN, SETTING, AND PARTICIPANTS:
This pilot study was performed at the University of Minho, Braga, Portugal, using six anesthetized female pigs.
INTERVENTIONS:
Closure of a full-thickness longitudinal...
8.
In vivo assessment of gastrotomy closure with over-the-scope clips in an experimental model for varicocelectomy - Rolanda, C; Lima, E; Silva, D; Moreira, I; Pêgo, JM; Macedo, G; Correia-Pinto, J
BACKGROUND:
Gastrotomy closure remains the major limiting factor for human translation of transgastric surgery; the over-the-scope clip (OTSC) system was proposed as a possibility for this purpose. Transgastric access is good for a pelvic approach, making varicocelectomy a possible indication for natural orifice transluminal endoscopic surgery (NOTES).
OBJECTIVE:
To evaluate the reliability of the OTSC system in vivo after transgastric testicular vessel ligation (varicocelectomy model).
DESIGN:
There were 3 experimental groups (5 animals in each): groups 1 and 3, gastrotomy dilation up to 18 mm, surgery was performed with a double-channel endoscope; group 2, gastrotomy dilation up to 13 mm, surgery was performed with a...
9.
Pure NOTES transvesical venous ligation: translational animal model of varicocelectomy - Osório, L; Silva, D; Autorino, R; Damiano, R; Correia-Pinto, J; Lima, E
OBJECTIVE:
To assess the feasibility of pure natural orifice transluminal endoscopic surgery (NOTES) transvesical venous ligation mimicking bilateral varicocelectomy in an animal model.
MATERIALS AND METHODS:
Transvesical NOTES bilateral venous ligation was performed in 6 female pigs by considering lower epigastric vessels as a model for gonadal vessels. Under flexible cystoscopic guidance, a cystotomy was created on the anterior bladder. The flexible cystoscope was introduced through the over tube, and the lower epigastric vessels were visualized in retroflexion. Thulium laser was used to cut and coagulate the vessels. A bladder catheter was left in place for 4 days in all animals and they...
10.
Presentación rara de ureterocele intravesical bilateral - Ribeiro, JC; Santos, AR
Varón, de 48 años, sin antecedentes patológicos deimportancia. Acude
al Servicio de Urgencia pordolor lumbar derecho asociado a hematuria
macroscópica,interpretado como un cólico renal, confirmadopor
ecografía renal que documentó ureterohidronefrosisligera y litiasis
uréter proximal.
11.
Ascitis post-histerectomía: retraso en el diagnóstico - Oliveira, MJ; Ribeiro, JC; Mendes, MG; Santos, AR
Mujer de 35 años enviada para histerectomíatotal de emergencia por
hemorragiapuerperal tras una cesárea urgentepor rotura prematura de la
bolsa de lasaguas (35 semanas).
12.
Splenosis. A diagnosis to be considered - Ribeiro, JC; Silva, CM; Santos, AR
The term splenosis applies to the autotransplanted splenic tissue resulting from seeding in the context of past splenic trauma or surgery. We report a 42-year-old man with a history of splenectomy observed for an incidentally found retrovesical mass thought to be an ectopic testicle. The abdominal laparotomy revealed multiple focuses of pelvic splenosis. As splenosis can be diagnosed through specific imaging studies one should always consider it in differential diagnosis of a mass discovered years after splenic surgery or trauma.
13.
Acute segmental renal infarction due to factor V Leiden - Cabral-Ribeiro, J; Sousa, L; Calaza, C; Santos, A
OBJECTIVE:
Renal infarction is rare and has variable clinical presentations causing diagnostic difficulties. Although most renal infarctions are caused by an obvious thromboembolic factor some are only explained by hereditary or acquired thrombophilia. The authors present a case of segmental renal infarction associated with factor V Leiden. METHODS/
RESULTS:
A 48-year-old man presented with right flank pain that was unresponsive to analgesia for renal colic. CT scan was performed revealing a partial renal infarction. The etiologic study was only positive to factor V Leiden. In spite of the diagnosis and treatment it resulted in atrophy of the affected renal area.
CONCLUSIONS:
Renal infarction can be...
14.
Transvesical peritoneoscopy with rigid scope: feasibility study in human male cadaver - Branco, F; Giovannalberto, P; Osório, L; Cavadas, V; Versos, R; Gomes, M; Autorino, R; Correia-Pinto, J; Lima, E
BACKGROUND: Transvesical port refers to the method of accessing the abdominal cavity through a natural orifice (i.e., urethra) under endoscopic visualization. Since its introduction in 2006, various reports have been published describing different surgical interventions using a rigid ureteroscope in a porcine model. The aim of this study was to test the access and feasibility of peritoneoscopy by using a rigid ureteroscope in a human male cadaver. METHODS: Two adult male cadavers were used to perform the procedures. A rigid ureteroscope was used for the creation of transvesical access into the peritoneal cavity. Peritoneoscopy, liver biopsy, and identification and manipulation...
16.
Natural orifice transluminal endoscopy surgery: A review - Moreira-Pinto, J; Lima, E; Correia-Pinto, J; Rolanda, C
Minimally invasive surgery started spreading worldwide in 1987, when
the first laparoscopic cholecystectomy was performed. Meanwhile,
improvement of endoscopic equipment and instruments allowed
gastroenterologists to attempt more aggressive endoluminal
interventions, even beyond the wall barrier. The first transgastric
peritoneoscopy, in 2004, brought to light the concept of natural
orifice transluminal endoscopic surgery (NOTES). The idea of
incisionless surgery is attractive and has become a new goal for both
surgeons and other people interested in this field of investigation.
The authors present a review of all developments concerning NOTES,
including animal studies and human experience.
1.
