PubMed Journal Database | Surgical endoscopy - Page: 3 
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Showing PubMed Articles 51–75 of 981 from Surgical endoscopy
BACKGROUND: Little is known about the direct effect of pneumoperitoneum (PP) on microcirculation and its influence on the quality of tissue perfusion. This study aimed to investigate the intraoperative effects of carbon dioxide (CO2) gas PP on microcirculation density and perfusion in neonates receiving laparoscopic surgery for hypertrophic pyloric stenosis. METHODS: In a single-center observational study, the oral microcirculation in 12 neonates receiving laparoscopic pyloromyotomy was investigated. Intrao...
BACKGROUND: Aortoesophageal fistula (AEF) is a rare but usually fatal complication of a foreign body in the esophagus. Little effective therapy exists to cure an AEF induced by esophageal foreign body. This report describes the authors' 40 years of experience treating patients with AEF caused by a foreign body and compares different treatments of patients and their clinical outcomes. METHODS: The treatments of five patients with AEF caused by esophageal foreign body impaction were recorded at Wuhan General...
BACKGROUND: The transanal minilaparoscopy-assisted natural orifice transluminal endoscopic surgery (NOTES) approach holds significant promise as a safe and less morbid alternative to conventional low anterior rectal resection. Previous reports have shown satisfactory short-term oncologic results. We evaluated the safety and short-term outcomes in rectal cancer subjects who underwent transanal minilaparoscopy-assisted natural orifice surgery total mesorectal excision (TME) rectal resection. METHODS: Twenty s...
BACKGROUND: The purpose of this study was to compare length of stay, as one of the efficacy indicators, and effectiveness, in terms of operative complications and mortality, between laparoscopic (LC) and open cholecystectomy, and to verify the 10-year temporal trends in the application of the LC technique in a large regional population. METHODS: This was a retrospective cohort study based on 73,853 hospital discharge records of cholecystectomies for gallstone disease (GD) in residents of the Veneto from 200...
BACKGROUND: Endoscopic submucosal dissection (ESD) is a well-established method for the treatment of gastrointestinal epithelial tumors. However, the treatment of gastric subepithelial tumors (SETs) that originate from the muscularis propria layer still depends primarily on surgical techniques. We evaluated the appropriate indications for ESD in the treatment of SETs that originate from the muscularis propria layer. METHODS: Thirty-five patients with gastric SETs that originate from the muscularis propria l...
BACKGROUND: Gastric bypass is the "gold standard" procedure of bariatric surgery. However, 20.4-34.9 % of these patients may fail to achieve or maintain the weight loss on long-term follow-up and may require additional procedures. StomaphyX™ has been promoted for weight reduction in such patients. OBJECTIVES: To study whether endoluminal reduction of gastric pouch and stoma using StomaphyX™ results in sustained weight loss in patients who regain weight after gastric bypass. METHODS: Retrospective chart...
BACKGROUND: There has been no research on the clinical outcomes of secondary self-expandable metal stent (SEMS) placement after initial stent migration. Therefore, this study aimed to assess the clinical outcomes of secondary SEMS placement after initial stent migration compared to the outcomes of secondary SEMS placement done for reasons other than migration and identify factors predictive of long-term outcomes. METHODS: Between January 2005 and February 2011, a total of 422 patients underwent SEMS inserti...
BACKGROUND: The EURO-NOTES Clinical Registry (ECR) was established as a European database to allow the monitoring and safe introduction of Natural Orifice Transluminal Endoscopic Surgery (NOTES). The aim of this study was to analyze different techniques applied and relative results during the first 2 years of the ECR. METHODS: The ECR was designed as a voluntary database with online access. All members of the European Society for Gastrointestinal Endoscopy and the European Association for Endoscopic Surger...
BACKGROUND: Single-incision laparoscopic cholecystectomy (SILC) is a newer approach that may be a safe alternative to traditional laparoscopic cholecystectomy (TLC) based on retrospective and small prospective studies. As the demand for single-incision surgery may be driven by patient perceptions of benefits, we designed a prospective randomized study using patient-reported outcomes as our end points. METHODS: Patients deemed candidates for either SILC or TLC were offered enrollment in the study. After indu...
BACKGROUND: Intraoperative colonoscopy is sometimes needed as an adjunct to colorectal surgery. When it is performed with laparoscopic surgery, there is the potential for prolonged bowel distension, obstructed surgical exposure, and increased morbidity. This study aimed to evaluate the overall safety and outcomes of laparoscopic colorectal procedures in which intraoperative colonoscopy was performed. METHODS: The study group consisted of patients who underwent intraoperative colonoscopy during laparoscopic...
BACKGROUND: Although laparoscopic fundoplication effectively alleviates gastroesophageal reflux disease (GERD) in the great majority of patients, some patients remain dissatisfied after the operation. This study was undertaken to report the outcomes of these patients and to determine the causes of dissatisfaction after laparoscopic fundoplication. METHODS: All patients undergoing laparoscopic fundoplication in the authors' series from 1992 to 2010 were evaluated for frequency and severity of symptoms before...
BACKGROUND: The endoscopic ultrasound-guided rendezvous techniques (EUS-rendezvous) provide reliable biliary access after failed endoscopic retrograde cholangiopancreatography (ERCP) cannulation. We evaluated the clinical utility of an EUS-rendezvous technique using various approach routes. METHODS: Patients undergoing EUS-rendezvous for biliary access after failed bile duct cannulation in ERCP were included. EUS-rendezvous was performed via three approach routes depending on the patient's condition: transg...
BACKGROUND: By traditional open surgery, the tumor recurrence rate of total mesorectal excision with sphincter-preserving procedure was lower than that of abdominoperineal resection (APR) for the treatment of low rectal cancer. The present study aimed to rescrutinize whether the same conclusion can be drawn when both surgical procedures are performed laparoscopically. METHODS: We retrospectively reviewed the prospectively recorded clinicopathologic data of 344 consecutive patients with low rectal cancer, in...
PURPOSE: The purpose of this study was to identify risk factors associated with lymph node (LN) metastasis in early gastric cancer patients who underwent endoscopic resection (ER) and to evaluate the feasibility of minimal LN dissection in these patients. METHODS: From January 2001 to March 2011, patients who underwent gastrectomy with lymphadenectomy due to the potential risk of LN metastasis after ER were enrolled at National Cancer Center, Korea. The incidence, risk factors, and distribution of LN metast...
Current status of endoscopic resection strategy for large, early colorectal neoplasia in Japan.
BACKGROUND: Conventional endoscopic resection (CER) for early colorectal neoplasia (CRN) is widely accepted as a minimally invasive treatment. Endoscopic submucosal dissection (ESD) was developed in Japan to resect larger lesions, but ESD was not covered by the Japanese national health insurance until April 2012. In addition, treatment strategies vary considerably among medical facilities. To evaluate the current situation in Japan regarding endoscopic treatment of CRNs measuring ≥20 mm, we conducted a p...
The multiphasic learning curve for robot-assisted rectal surgery.
BACKGROUND: Robotic rectal surgery is gaining in popularity. We aimed to define the learning curve of an experienced laparoscopic colorectal surgeon in performing robot-assisted rectal surgery. We hypothesized that there are multiple phases in this learning process. METHODS: We performed a retrospective analysis. Consecutive patients who underwent robot-assisted rectal surgery between July 2007 and August 2011 were identified. Operating times were analyzed using the CUSUM (cumulative sum) technique. CUSUMs...
Laparoscopic drainage of cryptogenic liver abscess.
BACKGROUND: To retrospectively compare the outcomes of percutaneously drained and laparoscopically drained liver abscesses. METHODS: Eight-five consecutive patients with radiological evidence of liver abscess were treated at National University Hospital of Singapore from 2005 to 2011. Multivariable logistic regression was used to identify failures of intervention. This was defined as persistent objective signs of sepsis. Complications, length of antibiotic therapy, and hospital stay were recorded but not us...
Broad clinical utilization of NOTES: is it safe?
BACKGROUND: Natural orifice transluminal endoscopic surgery (NOTES) has been the focus of several studies as a less invasive alternative to conventional laparoscopy to access and treat intracavitary organs. For the last 5 years, much has been accomplished with animal studies, yet the clinical utilization of this novel technique is still modest. After 2 years of experience in the laboratory, we started our clinical experience. We report our experience with clinical utilization of NOTES procedures from 2007...
BACKGROUND: Laparoscopic sphincter saving rectal resection for low rectal cancer is hampered by narrow pelvis and limitations of current stapling devices [1]. The APPEAR (Anterior Perineal PlanE for Ultra-low Anterior Resection of the Rectum) was proposed by Williams et al. [2, 3] as an alternative to the abdominal-perineal resection to perform very low rectal resection and anastomosis through a perineal wound. We adapted the original technique to the laparoscopic approach, avoiding any other abdominal inci...
Gaze training improves the retention and transfer of laparoscopic technical skills in novices.
BACKGROUND: Gaze training is an effective way of training basic laparoscopic skills, resulting in faster acquisition periods and more robust subsequent performance under pressure. The current study is a randomized control trial which examines whether the performance benefits of gaze training stand the test of time (delayed retention) and transfer to more complex skills. METHODS: Thirty-six medical students were trained to proficiency (50 trials) on a one-handed laparoscopic task (picking and dropping balls)...
Feasibility and safety of minilaparoscopy-guided spleen biopsy.
BACKGROUND: The frequency of granular cell tumors (GCTs) identified in the gastrointestinal tract has recently increased with the increased use of routine endoscopy. Endoscopic treatment is increasingly used as an alternative to traditional surgical resection, but there are few reports on the efficacy, safety, and long-term prognosis of endoscopic treatment for GCTs. The aim of this study was to assess the efficacy, safety, and long-term prognosis of endoscopic resection for the gastrointestinal GCTs. METHO...
BACKGROUND: The outcomes of balloon dilation for the treatment of strictures caused by endoscopic submucosal dissection (ESD) have not been evaluated previously. This study was designed to evaluate and compare the effectiveness and complications of balloon dilation for post-ESD strictures and peptic strictures. METHODS: The medical records of 14 patients with post-ESD strictures and 48 patients with peptic strictures who underwent fluoroscopically or endoscopically guided balloon dilation between January 19...
