Objectives: To assess the efficacy of a new anti-reflux intraureteral stent design in a swine model after minimally invasive treatment of ureteral stricture to reduce ureteral stent morbidity, previous to manufacture this design in a biodegradable fashion.
Methods: Twenty-eight female pigs were included. The study began with a cystoscopic, nephrosonographic and contrast fluoroscopic assessment.
Objective: To determine the effects in urinary tract of a new antireflux-biodegradable ureteral stent.
Materials And Methods: Thirty six ureters belonging to 24 pigs were used. The study began with endoscopic, nephrosonographic, and fluoroscopic assessments.
Double balloon enteroscopy (DBE) is an endoscopic technique broadly used to diagnose and treat small bowel diseases. Among the associated complications of the oral DBE, post-procedure pancreatitis has taken the most attention due to its gravity and the thought that it might be associated to the technique itself and anatomical features of the pancreas. However, as the etiology has not been clarified yet, this paper aims to review the published literature and adds new results from a porcine animal model.
View Article and Find Full Text PDFObjective: To explore the feasibility, safety, and short-term results of potassium-titanyl-phosphate (KTP) laser laparoscopic partial nephrectomy (KTP-LPN) vs conventional laparoscopic partial nephrectomy (C-LPN).
Materials And Methods: Thirty large white female pigs were randomized to KTP-LPN or C-LPN. Laparoscopic radical right nephrectomy was performed, and an artificial renal tumor was placed in the left kidney in 3 locations.
Objectives: The purpose of this experimental study is to assess the additive effects of temporary JJ stent placement together with metal stents (MS) in the treatment obstructive uropathy, in order to reduce urothelial hyperplasia formation.
Methods: Twenty-four pigs were included, and an experimental model of obstructive uropathy was created. Six weeks after obstructive uropathy model induction, ureteral obstruction was confirmed using ultrasonography, ureteropyelography and endoluminal ultrasound.
Purpose: The aim of this study is to validate a training model that combines the use of nonbiologic and biologic simulators as well as live porcine animal model in endoscopic retrograde intrarenal surgery (RIRS).
Materials And Methods: A total of 60 urologists took part in this study, and the activity lasted for 2 days. The training model was divided into three modules: Module-I, related to the acquisition of basic theoretical knowledge; Module-II, consisting of an internship with bench models; and Module III, in which animal models were used.
Objective: To assess a new antireflux ureteral stent in animal model. The design expects to reduce morbidity associated with JJ ureteral stents.
Materials And Methods: Twelve pigs were used in this study.
The aim is to evaluate the pancreatic vascular-ischemic effects related to double balloon enteroscopy in the porcine model as a possible etiopathogenesis of post-enteroscopic pancreatitis. For this reason we carry out two independent experiments in a porcine animal model. In the first arm protocol (group I), 10 animals underwent 90 minutes of oral enteroscopy with 7 days follow-up.
View Article and Find Full Text PDFPurpose: The aim of the present study was to validate a model of training, which combines the use of non-biological and ex vivo biological bench models, as well as the modelling of urological injuries for endourological treatment in a porcine animal model.
Material And Methods: A total of 40 participants took part in this study. The duration of the activity was 16 hours.
This article reports on the face, content, and construct validity of a new realistic composite simulator (Simuldog) used to provide training in canine gastrointestinal flexible endoscopy. The basic endoscopic procedures performed on the simulator were esophagogastroduodenoscopy (EGD), gastric biopsy (GB), and gastric foreign body removal (FBR). Construct validity was assessed by comparing the performance of novices (final-year veterinary students and recent graduates without endoscopic experience, n=30) versus experienced subjects (doctors in veterinary medicine who had performed more than 50 clinical upper gastrointestinal endoscopic procedures as a surgeon, n=15).
View Article and Find Full Text PDFObjective: To evaluate a new design for a hybrid, dynamic, metallic ureteral stent that might avoid the formation of urothelial hyperplasia after ureteral metallic stenting in an experimental study.
Materials And Methods: A total of 30 healthy female pigs were included in the present study, and an experimental obstructive uropathy in the right lumbar ureter was created in each pig. Obstruction was confirmed using percutaneous ultrasonography and retrograde ureteral pyelography and endoluminal ultrasonography 6 weeks after obstructive uropathy model creation.
Aim: The aim of the present study was to assess the safety and efficacy of CO(2) during double-balloon enteroscopy (DBE) in an experimental animal model study. In this study, insufflation with room air and with CO(2) was compared.
Methods: Twenty healthy swines were used.
Purpose: We assessed the therapeutic value of a new treatment option for ureteral strictures that may avoid urothelial hyperplasia, which is the main cause of metallic stent failure.
Materials And Methods: We used 24 pigs in this study. An experimental model of ureteral stricture was induced in all animals.