A multitasking platform for natural orifice translumenal endoscopic surgery (NOTES): a benchtop comparison of a new device for flexible endoscopic surgery and a standard dual-channel endoscopeGeorg O Spaun
Minimally Invasive Surgery Program, Legacy Health System, 1040 NW 22nd Avenue, Suite 560, Portland, OR 97210, USA
Surg Endosc 23:2720-7. 2009
..This study aimed to measure the amount this new platform would improve performance for bimanual coordination compared with a standard dual-channel scope using a benchtop simulation...
- Transcervical heller myotomy using flexible endoscopy
Georg O Spaun
Minimally Invasive Surgery Program, Legacy Health, 1040 NW 22nd Ave, Suite 560, Portland, OR 97210, USA
J Gastrointest Surg 14:1902-9. 2010
..The purpose of this study was to evaluate the feasibility, safety, and success rate of using flexible endoscopes to perform anterior or posterior Heller myotomy via a transcervical approach...
- A novel method for performing multiple wire insertions during endoscopic cyst gastrostomy
John A Evans
Division of Gastroenterology, Wake Forest University Baptist Medical Center, Winston Salem, North Carolina, USA
Gastrointest Endosc 71:612-4. 2010
..A challenging aspect of the procedure is the insertion and confirmation of at least 2 guidewires into the cyst. Many technical procedures to accomplish the wire insertion have been described but are complicated...
- Mediastinal surgery in connective tissue tunnels using flexible endoscopy
G O Spaun
Legacy Health System, Portland, OR, USA
Surg Endosc 24:2120-7. 2010
..The purpose of this study was to evaluate the feasibility, safety, and success rate of using a transcervical approach and flexible endoscopes to perform mediastinal surgery also in the retro- and paraesophageal mediastinum...
- A comparison of early learning curves for complex bimanual coordination with open, laparoscopic, and flexible endoscopic instrumentation
Georg O Spaun
Minimally Invasive Surgery Program, Legacy Health System, Portland, OR 97210, USA
Surg Endosc 24:2145-55. 2010
..We hypothesized that use of an open or laparoscopic paradigm would result in better performance and a shorter learning process (reaching a learning plateau earlier) than an endoscopic paradigm...
- Use of flexible endoscopes for NOTES: sterilization or high-level disinfection?
Georg O Spaun
Legacy Health, Portland, OR, USA
Surg Endosc 24:1581-8. 2010
..Our objective was to assess the necessity for endoscope sterilization for clinical NOTES and to develop an endoscope processing protocol based on a score for the available processing options...
- Endoscopic closure of gastrogastric fistulas by using a tissue apposition system (with videos)
Georg O Spaun
Minimally Invasive Surgery Program, Legacy Health System, Portland, Oregon 97210, USA
Gastrointest Endosc 71:606-11. 2010
..Gastrogastric fistulas (GGFs) are seen in 1.5% to 12.5% of patients after Roux-en-Y gastric bypass (RYGB) bariatric surgery, often leading to failure to lose adequate weight...
- Bimanual coordination in natural orifice transluminal endoscopic surgery: comparing the conventional dual-channel endoscope, the R-Scope, and a novel direct-drive system
Georg O Spaun
Minimally Invasive Surgery Program, Legacy Health System, Portland, Oregon 97210, USA
Gastrointest Endosc 69:e39-45. 2009
..The devices used for natural orifice transluminal endoscopic surgery procedures are endoscopes or inspired by endoscopic design, which makes it difficult to accomplish bimanual coordination...
- Optimizing surgical approach for natural orifice translumenal endoscopic procedures
Maria A Cassera
Gastrointestinal and Minimally Invasive Surgery Division, The Oregon Clinic, 1040 NW 22nd Ave, Suite 560, Portland, OR 97210, USA
Surg Innov 19:433-7. 2012
..Natural orifice translumenal endoscopic surgery (NOTES) often requires some degree of retroflexion of the endoscopic operating system. This study investigates the impact of retroflexion on task performance in NOTES...
- Efficacy of using a novel endoscopic lens cleaning device: a prospective randomized controlled trial
Maria A Cassera
The Oregon Clinic, Portland, OR, USA
Surg Innov 18:150-5. 2011
..The authors evaluated a device that does not necessitate an external cleaning process for the laparoscope. It was hypothesized that it will minimize the interruption in operative workflow...
- A natural orifice transrectal approach for oncologic resection of the rectosigmoid: an experimental study and comparison with conventional laparoscopy
Erwin Rieder
Minimally Invasive Surgery Program, Legacy Health, Portland, OR, USA
Surg Endosc 25:3357-63. 2011
..This study aimed to assess whether pure TR rectosigmoidectomy can be performed with strict adherence to oncologic principles compared with a conventional laparoscopically assisted approach (LAP)...
- Future applications of flexible endoscopy in esophageal surgery
Lee L Swanstrom
Division of Minimally Invasive Surgery, Legacy Health System, Portland, OR 97210, USA
J Gastrointest Surg 14:S127-32. 2010
..We present early results of a series of acute animal experiments studying the feasibility of using flexible endoscopes for complex esophageal surgery such as Heller myotomy and esophagectomy...
- Randomized controlled trial comparing single-port laparoscopic cholecystectomy and four-port laparoscopic cholecystectomy
Jun Ma
Hepatobiliary and Pancreatic Surgery Program, Providence Portland Medical Center, Portland, OR 97213, USA
Ann Surg 254:22-7. 2011
..To compare short-term surgical outcomes and quality of life (QOL) between single-port laparoscopic cholecystectomy (SPLC) and classic 4-port laparoscopic cholecystectomy (CLC)...
