Lee L Swanstrom

Summary

Affiliation: The Oregon Clinic
Country: USA

Publications

  1. doi request reprint Long-term outcomes of an endoscopic myotomy for achalasia: the POEM procedure
    Lee L Swanstrom
    Division of GI and MIS, The Oregon Clinic, Portland, OR 97213, USA
    Ann Surg 256:659-67. 2012
  2. doi request reprint A stepwise approach and early clinical experience in peroral endoscopic myotomy for the treatment of achalasia and esophageal motility disorders
    Lee L Swanstrom
    The Oregon Clinic, Division of GI and Minimally Invasive Surgery, Portland, OR, USA
    J Am Coll Surg 213:751-6. 2011
  3. ncbi request reprint Outcomes of antireflux surgery in patients with normal preoperative 24-hour pH test results
    Yashodhan S Khajanchee
    Department of Minimally Invasive Surgery, Legacy Health System, 1040 N W 22nd St, Suite 560, Portland, OR 97210, USA
    Am J Surg 187:599-603. 2004
  4. doi request reprint Patient factors predictive of 24-h pH normalization following endoluminal gastroplication for GERD
    Yashodhan S Khajanchee
    Minimally Invasive Surgery Program, Legacy Health System, 1040 NW 22nd Ave, Suite 560, Portland, OR 97210, USA
    Surg Endosc 23:2525-30. 2009
  5. doi request reprint Partial anterior vs partial posterior fundoplication following transabdominal esophagocardiomyotomy for achalasia of the esophagus: meta-regression of objective postoperative gastroesophageal reflux and dysphagia
    Ashwin A Kurian
    Providence Portland Cancer Center, Portland, OR 97213, USA
    JAMA Surg 148:85-90. 2013
  6. doi request reprint The trade-off between flexibility and maneuverability: task performance with articulating laparoscopic instruments
    Danny V Martinec
    Minimally Invasive Surgery Program, Legacy Health System, 1040 NW 22nd Avenue, Suite 560, Portland, OR 97210, USA
    Surg Endosc 23:2697-701. 2009
  7. doi request reprint Transanal endoscopic microsurgical platform for natural orifice surgery
    Peter M Denk
    Gastrointestinal and Minimally Invasive Surgery Division, Legacy Health System, The Oregon Clinic, PC, Portland, Oregon 97210, USA
    Gastrointest Endosc 68:954-9. 2008
  8. doi request reprint Outcomes following laparoscopic choledochoduodenostomy in the management of benign biliary obstruction
    Yashodhan S Khajanchee
    Hepatobiliary and Pancreatic Surgery Program, Providence Portland Medical Center, Portland, OR, USA
    J Gastrointest Surg 16:801-5. 2012
  9. ncbi request reprint Laparoscopic reintervention for failed antireflux surgery: subjective and objective outcomes in 176 consecutive patients
    Yashodhan S Khajanchee
    Minimally Invasive Surgery Program, Department of Surgery, Legacy Health System, 1140 NW 22nd Ave, Ste 560, Portland, OR 97210, USA
    Arch Surg 142:785-901; discussion 791-2. 2007
  10. doi request reprint Concomitant endoscopic radiofrequency ablation and laparoscopic reflux operative results in more effective and efficient treatment of Barrett esophagus
    Trudie A Goers
    GI Minimally Invasive Surgery Division, The Oregon Clinic, Portland, OR 97210, USA
    J Am Coll Surg 213:486-92. 2011

Collaborators

Detail Information

Publications68

  1. doi request reprint Long-term outcomes of an endoscopic myotomy for achalasia: the POEM procedure
    Lee L Swanstrom
    Division of GI and MIS, The Oregon Clinic, Portland, OR 97213, USA
    Ann Surg 256:659-67. 2012
    ..Per-oral endoscopic myotomy (POEM), an incisionless selective myotomy, has been described as a less invasive surgical treatment. This study presents 6-month physiological and symptomatic outcomes after POEM for achalasia...
  2. doi request reprint A stepwise approach and early clinical experience in peroral endoscopic myotomy for the treatment of achalasia and esophageal motility disorders
    Lee L Swanstrom
    The Oregon Clinic, Division of GI and Minimally Invasive Surgery, Portland, OR, USA
    J Am Coll Surg 213:751-6. 2011
    ..We describe our approach as well as our initial clinical experience as part of an ongoing study treating achalasia patients with POEM...
  3. ncbi request reprint Outcomes of antireflux surgery in patients with normal preoperative 24-hour pH test results
    Yashodhan S Khajanchee
    Department of Minimally Invasive Surgery, Legacy Health System, 1040 N W 22nd St, Suite 560, Portland, OR 97210, USA
    Am J Surg 187:599-603. 2004
    ..The objective of this study was to compare the clinical outcomes of Nissen fundoplication for symptomatic reflux between patients with normal and abnormal preoperative pH testing...
  4. doi request reprint Patient factors predictive of 24-h pH normalization following endoluminal gastroplication for GERD
    Yashodhan S Khajanchee
    Minimally Invasive Surgery Program, Legacy Health System, 1040 NW 22nd Ave, Suite 560, Portland, OR 97210, USA
    Surg Endosc 23:2525-30. 2009
    ..We hypothesize that there are objective criteria that will identify those patients who will have a normal DeMeester score (DMS) following endoluminal treatment...
  5. doi request reprint Partial anterior vs partial posterior fundoplication following transabdominal esophagocardiomyotomy for achalasia of the esophagus: meta-regression of objective postoperative gastroesophageal reflux and dysphagia
    Ashwin A Kurian
    Providence Portland Cancer Center, Portland, OR 97213, USA
    JAMA Surg 148:85-90. 2013
    ..To review transabdominal esophagocardiomyotomy (surgical treatment of achalasia) of the esophagus and to compare outcomes of partial anterior vs partial posterior fundoplication...
  6. doi request reprint The trade-off between flexibility and maneuverability: task performance with articulating laparoscopic instruments
    Danny V Martinec
    Minimally Invasive Surgery Program, Legacy Health System, 1040 NW 22nd Avenue, Suite 560, Portland, OR 97210, USA
    Surg Endosc 23:2697-701. 2009
    ..Although these instruments offer the flexibility needed to perform complex tasks in a constricted surgical site, their control may be hampered by their increased complexity...
  7. doi request reprint Transanal endoscopic microsurgical platform for natural orifice surgery
    Peter M Denk
    Gastrointestinal and Minimally Invasive Surgery Division, Legacy Health System, The Oregon Clinic, PC, Portland, Oregon 97210, USA
    Gastrointest Endosc 68:954-9. 2008
    ..This technique has been used clinically in human beings for more than 2 decades. Entry into the peritoneal cavity during a resection of rectosigmoid lesions has been described, and safe closure can be obtained...
  8. doi request reprint Outcomes following laparoscopic choledochoduodenostomy in the management of benign biliary obstruction
    Yashodhan S Khajanchee
    Hepatobiliary and Pancreatic Surgery Program, Providence Portland Medical Center, Portland, OR, USA
    J Gastrointest Surg 16:801-5. 2012
    ..With the advent of endoscopic retrograde choledochoduodenostomy, the need for choledochoduodenostomy to treat common bile duct obstruction is less common, but occasionally required...
  9. ncbi request reprint Laparoscopic reintervention for failed antireflux surgery: subjective and objective outcomes in 176 consecutive patients
    Yashodhan S Khajanchee
    Minimally Invasive Surgery Program, Department of Surgery, Legacy Health System, 1140 NW 22nd Ave, Ste 560, Portland, OR 97210, USA
    Arch Surg 142:785-901; discussion 791-2. 2007
    ..The purposes of this study were to assess outcomes in patients operated on for failed ARS, to describe reasons for failure of the primary surgery, and to identify factors predictive of failure of the revision...
  10. doi request reprint Concomitant endoscopic radiofrequency ablation and laparoscopic reflux operative results in more effective and efficient treatment of Barrett esophagus
    Trudie A Goers
    GI Minimally Invasive Surgery Division, The Oregon Clinic, Portland, OR 97210, USA
    J Am Coll Surg 213:486-92. 2011
    ..Barrett esophagus (BE) caused by gastroesophageal reflux disease can lead to esophageal cancer. The success of endoscopic treatments with BE eradication depends on esophageal anatomy and post-treatment acid exposure...
  11. doi request reprint 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...
  12. doi request reprint 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 endoscope
    Georg 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...
  13. doi request reprint A triangulating operating platform enhances bimanual performance and reduces surgical workload in single-incision laparoscopy
    Erwin Rieder
    Minimally Invasive Surgery Program, Legacy Health, Portland, OR, USA
    J Am Coll Surg 212:378-84. 2011
    ..We hypothesized that a novel, single-port, triangulating surgical platform (SPSP) might enhance performance by improving bimanual coordination and decreasing the surgeon's mental workload...
  14. doi request reprint Video: natural orifice translumenal endoscopic surgery (NOTES): creation of a gastric valve for safe and effective transgastric surgery in humans
    Michael B Ujiki
    Minimally Invasive Surgery Program, Legacy Health System, Suite 560, Portland, OR 97210, USA
    Surg Endosc 24:220. 2010
    ..We present a novel and safe technique for creating a gastrotomy developed in our animal laboratory and applied in all of our human NOTES cholecystectomies...
  15. doi request reprint 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...
  16. doi request reprint 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)...
  17. doi request reprint 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...
  18. doi request reprint Peroral endoscopic myotomy (POEM) is safe and effective in the setting of prior endoscopic intervention
    Ahmed Sharata
    GI MIS Division, The Oregon Clinic, Portland, USA
    J Gastrointest Surg 17:1188-92. 2013
    ..We aimed to determine the safety and feasibility of peroral endoscopic myotomy (POEM) in the setting of prior endoscopic interventions...
  19. doi request reprint An observational study of surgery-related activities between nurses and surgeons during laparoscopic surgery
    Bin Zheng
    Minimally Invasive Surgery Program, Legacy Health System, Portland, OR 97210, USA
    Am J Surg 197:497-502. 2009
    ..In the operating room (OR), nurse-surgeon coordination is essential to the success of a surgery...
  20. doi request reprint Postoperative dysphagia is not predictive of long-term failure after laparoscopic antireflux surgery
    Konstantinos I Makris
    Division of Gastrointestinal and Minimally Invasive Surgery, The Oregon Clinic, 1040 NW 22nd Ave, Suite 560, Portland, OR 97210, USA
    Surg Endosc 26:451-7. 2012
    ..It has not been previously described whether postoperative dysphagia is associated with poorer long-term reflux control after fundoplication...
  21. doi request reprint Postoperative impedance-pH testing is unreliable after Nissen fundoplication with or without giant hiatal hernia repair
    Brittany N Arnold
    Division of Gastrointestinal and Minimally Invasive Surgery, The Oregon Clinic, Portland, OR 97210, USA
    J Gastrointest Surg 15:1506-12. 2011
    ..Our aim is to evaluate the results of routine MII-pH testing in successful Nissen fundoplication patients...
  22. ncbi request reprint Postoperative objective outcomes for upright, supine, and bipositional reflux disease following laparoscopic nissen fundoplication
    Dennis Hong
    Department of Minimally Invasive Surgery, Legacy Health System, Portland, OR 97210, USA
    Arch Surg 139:848-52; discussion 852-4. 2004
    ....
  23. pmc Surgical management of breast cancer liver metastases
    Maria A Cassera
    Liver and Pancreas Surgery Program, Providence Portland Medical Center Gastrointestinal and Minimally Invasive Surgery Division, The Oregon Clinic, Portland, Oregon 97213, USA
    HPB (Oxford) 13:272-8. 2011
    ..Selected patients with isolated breast cancer liver metastases (BCLM) may benefit from surgical management; however, indications remain unclear and the risks may outweigh the benefits in patients with a generally poor prognosis...
  24. doi request reprint A quantitative study of disruption in the operating room during laparoscopic antireflux surgery
    Bin Zheng
    Minimally Invasive Surgery Program, Legacy Health System, 1040 NW 22nd Avenue, Suite 560, Portland, OR 97210, USA
    Surg Endosc 22:2171-7. 2008
    ..Many activities performed by team members in the operating room (OR) are not directly related to the achievement of the surgical goal...
  25. doi request reprint Peroral endoscopic esophageal myotomy: defining the learning curve
    Ashwin A Kurian
    Providence Portland Cancer Center, Portland, Oregon, USA
    Gastrointest Endosc 77:719-25. 2013
    ..It requires a demanding skill set that involves both advanced endoscopic skills and knowledge of surgical anatomy and complication management...
  26. ncbi request reprint A comparison of diet and exercise therapy versus laparoscopic Roux-en-Y gastric bypass surgery for morbid obesity: a decision analysis model
    Emma J Patterson
    Department of Minimally Invasive Surgery, Legacy Health System, Portland, OR, USA
    J Am Coll Surg 196:379-84. 2003
    ..Using decision analysis we simulated a trial comparing diet and exercise therapy to laparoscopic gastric bypass surgery to determine which approach resulted in longer life expectancy...
  27. ncbi request reprint Extended transmediastinal dissection: an alternative to gastroplasty for short esophagus
    ROBERT W O'ROURKE
    Department of Minimally Invasive Surgery, Legacy Health System, Portland, OR, USA
    Arch Surg 138:735-40. 2003
    ....
  28. doi request reprint Does morbid obesity worsen outcomes after esophagectomy?
    Neil H Bhayani
    Providence Cancer Center, Portland, OR 97213, USA
    Ann Thorac Surg 95:1756-61. 2013
    ..Risk stratification and patient counseling require more information on the morbidity associated with esophagectomy in the obese...
  29. ncbi request reprint Laparoscopic Heller myotomy with Toupet fundoplication: outcomes predictors in 121 consecutive patients
    Yashodhan S Khajanchee
    Minimally Invasive Surgery Department, Legacy Health System, Portland, Ore, USA
    Arch Surg 140:827-33; discussion 833-4. 2005
    ....
  30. ncbi request reprint Intraoperative assessment of esophagogastric junction distensibility during per oral endoscopic myotomy (POEM) for esophageal motility disorders
    Erwin Rieder
    Gastrointestinal and Minimally Invasive Surgery, The Oregon Clinic, Portland, OR, USA
    Surg Endosc 27:400-5. 2013
    ..We hypothesized that the real-time measurement of esophagogastric junction (EGJ) distensibility using a novel functional lumen-imaging probe would enable objective evaluation of POEM...
  31. doi request reprint Paraesophageal hernia repair with biomesh does not increase postoperative dysphagia
    Trudie A Goers
    Division of Minimally Invasive Surgery, Legacy Health System, Portland, OR 97210, USA
    J Gastrointest Surg 15:1743-9. 2011
    ..This paper documents the lack of significant dysphagia after the placement of biomesh during hiatal hernia repair...
  32. doi request reprint A novel technique for natural orifice endoscopic full-thickness colon wall resection: an experimental pilot study
    Erwin Rieder
    Minimally Invasive Surgery Program, Legacy Health, Portland, OR 97210, USA
    J Am Coll Surg 213:422-9. 2011
    ..Because basic technical requirements have not been met so far, the aim of this study was to develop a novel technique for endolumenal colon-wedge resection addressing current shortcomings...
  33. ncbi request reprint Manometric abnormalities and gastroesophageal reflux disease in the morbidly obese
    Dennis Hong
    Bariatric Surgery Program and Minimally Invasive Surgery Program, Department of Surgery, Legacy Health System, 1040 NW 22nd Avenue, Portland, OR 97210, USA
    Obes Surg 14:744-9. 2004
    ..Obesity is an epidemic in the USA. Many disorders are associated with obesity including gastroesophageal reflux disease (GERD). However, the prevalence of GERD and esophageal motility disorders in the morbidly obese population is unclear...
  34. doi request reprint Laparoscopic and endoscopic pyloroplasty for gastroparesis results in sustained symptom improvement
    Michael L Hibbard
    Division of Gastrointestinal and Minimally Invasive Surgery, The Oregon Clinic, Portland, OR 97210, USA
    J Gastrointest Surg 15:1513-9. 2011
    ..Surgical options include gastric stimulator implantation, sub-total gastrectomy, and pyloroplasty. We report our experience with minimally invasive pyloroplasty as sole surgical treatment for adult gastroparesis...
  35. doi request reprint Video analysis of anticipatory movements performed by surgeons during laparoscopic procedures
    Bin Zheng
    Minimally Invasive Surgery Program, Legacy Health System, Portland, OR 97210, USA
    Surg Endosc 23:1494-8. 2009
    ..We predicted that the surgeons in a team that has longer teamwork experience would perform more anticipatory movements than surgeons in a surgical team that is newly formed...
  36. doi request reprint 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...
  37. doi request reprint Patient attitudes and expectations regarding natural orifice translumenal endoscopic surgery
    Lee L Swanstrom
    Division of Minimally Invasive Surgery, Legacy Health System and Oregon Health Sciences University, Portland, OR 97210, USA
    Surg Endosc 23:1519-25. 2009
    ..Natural orifice translumenal endoscopic surgery (NOTES) has theoretical patient advantages. Because public attitude toward NOTES will influence its adoption, this study aimed to assess patients' opinions regarding the NOTES procedure...
  38. doi request reprint 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...
  39. doi request reprint Defining "the elderly" undergoing major gastrointestinal resections: receiver operating characteristic analysis of a large ACS-NSQIP cohort
    Ashwin A Kurian
    Providence Cancer Center, Providence Portland Medical Center Medical Data Research Center, Providence Health and Services Oregon Clinic GMIS Division, Portland, OR
    Ann Surg 258:483-9. 2013
    ..Investigators have used varying subjectively determined age cutoffs to report outcomes in the elderly. We set out to use objective outcomes data to determine the "at-risk" elderly population...
  40. doi request reprint 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...
  41. doi request reprint 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...
  42. ncbi request reprint Real-time dynamics of nitric oxide shifts within the esophageal wall
    Yashodhan S Khajanchee
    Minimally Invasive Surgery Program, Legacy Health System, 1040 NW 22nd Avenue, Suite 560, Portland, OR 97210, USA
    Surg Endosc 23:2273-8. 2009
    ....
  43. doi request reprint Flexible endoscopic Zenkers diverticulotomy with a novel bipolar forceps: a pilot study and comparison with needleknife dissection
    Erwin Rieder
    Legacy Health, Portland, OR 97210, USA
    Surg Endosc 25:3273-8. 2011
    ....
  44. ncbi request reprint Subxyphoid thyroidectomy: a feasibility study
    Ahmed Sharata
    1Oregon Clinic, GMIS Division, Portland, OR, USA
    Surg Innov 21:194-7. 2014
    ..We hypothesized that the DDES platform would permit single-incision minimally invasive thyroid lobectomy without robotic assistance...
  45. doi request reprint Radiofrequency ablation in the management of Barrett's esophagus: present role and future perspective
    Ashwin A Kurian
    Providence Portland Cancer Center, 4805 NE Glisan Street, 6N60, Providence Cancer Center, Portland, OR 97213, USA
    Expert Rev Med Devices 10:509-17. 2013
    ..Future research endeavors focusing on facilitation of large population screening, the identification of high risk phenotypes, endoscopic mucosal resection techniques will combat the esophageal adenocarcinoma epidemic. ..
  46. ncbi request reprint Technique of per-oral endoscopic myotomy (POEM) of the esophagus (with video)
    Ahmed Sharata
    Providence Cancer Center, 4805 NE Glisan Street, 6N60, Portland, OR, 97213, USA
    Surg Endosc 28:1333. 2014
    ..Per-Oral Endoscopic Myotomy (POEM) is becoming an acceptable alternative to laparoscopic cardiomyotomy for esophageal motility disorders. The aim of this video is to provide key technical steps to completing this procedure...
  47. ncbi request reprint Laparoscopic biliary reconstruction
    ROBERT W O'ROURKE
    Department of Surgery, Oregon Health Science University, Portland, OR, USA
    Am J Surg 187:621-4. 2004
    ..Biliary reconstruction represents a relatively untested frontier in laparoscopy...
  48. doi request reprint Data-based self-study guidelines for the fundamentals of laparoscopic surgery examination
    Maria A Cassera
    Gastrointestinal and Minimally Invasive Surgery Division, The Oregon Clinic, 4805 NE Glisan St, Suite 6N60, Portland, OR 97213, USA
    Surg Endosc 26:3426-9. 2012
    ..Our objective is to determine study goals for effective self-guided practice for the FLS manual skills tasks that will result in passing the examination...
  49. doi request reprint Does fellow participation in laparoscopic Roux-en-Y gastric bypass affect perioperative outcomes?
    Neil H Bhayani
    Department of Surgery, Providence Cancer Center, Portland, OR 97213, USA
    Surg Endosc 26:3442-8. 2012
    ..Laparoscopic Roux-en-Y gastric bypass (LRYGB) requires specialized training commonly acquired during a fellowship. We hypothesized that fellows affect patient outcomes and this effect varies during training...
  50. doi request reprint Computed tomography (CT)-guided versus laparoscopic radiofrequency ablation: a single-institution comparison of morbidity rates and hospital costs
    Maria A Cassera
    Hepatobiliary and Pancreatic Surgery Program, Providence Portland Medical Center, 4805 NE Glisan St, Suite 6N50, Portland, OR 97213, USA
    Surg Endosc 25:1088-95. 2011
    ..This analysis investigates the 30-day morbidity, hospital cost, and reimbursement for CT-guided RFA versus laparoscopic RFA used to manage hepatocellular carcinoma (HCC) and colorectal liver metastases (CRLM)...
  51. doi request reprint Surgeon volume versus morbidity and cost in patients undergoing pancreaticoduodenectomy in an academic community medical center
    Timothy J Kennedy
    Hepatobiliary and Pancreatic Surgery Program, Providence Portland Medical Center, Portland, OR, USA
    J Gastrointest Surg 14:1990-6. 2010
    ..We analyzed the impact of several variables, including surgeon volume, on outcomes following PD within a high-volume community-based teaching hospital system...
  52. doi request reprint Video. Transanal specimen retrieval using the transanal endoscopic microsurgery (TEM) system in minimally invasive colon resection
    Konstantinos I Makris
    Department of Surgery Minimally Invasive Surgery Program, Legacy Health System, Portland, OR, USA
    Surg Endosc 26:1161-2. 2012
    ....
  53. doi request reprint Multimedia article. Prone thoracoscopic thoracic duct ligation for postsurgical chylothorax
    Peter M Denk
    Division of Gastrointestinal and Minimally Invasive Surgery, Legacy Health System and The Oregon Clinic, 1040 NW 22nd Avenue, Suite 560, Portland, OR 97210, USA
    Surg Endosc 22:2742. 2008
    ..Iatrogenic trauma accounts for almost 20% of all chyle leaks, and esophagectomy is the most common iatrogenic cause. Consequences of ongoing chyle leak include dehydration, malnutrition, and immunocompromise...
  54. ncbi request reprint Electrical stimulation of the vagus nerve restores motility in an animal model of achalasia
    Yashodhan S Khajanchee
    Department of Minimally Invasive Surgery and Surgical Research, Legacy Health System, Portland, Oregon 97227, USA
    J Gastrointest Surg 7:843-9; discussion 849. 2003
    ..Removal of the functional esophageal outlet obstruction, as with a surgical myotomy, may be necessary to obtain significant peristalsis with vagal pacing in severe achalasia...
  55. doi request reprint Outcomes of Nissen fundoplication in patients with gastroesophageal reflux disease and delayed gastric emptying
    Yashodhan S Khajanchee
    Minimally Invasive Surgery Division, Legacy Health System, Portland, Oregon, USA
    Arch Surg 144:823-8. 2009
    ..To investigate the effect of delayed gastric emptying (DGE) on subjective and objective outcomes of gastroesophageal reflux disease following Nissen fundoplication with or without pyloroplasty...
  56. doi request reprint 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...
  57. ncbi request reprint Emerging technologies including robotics and natural orifice transluminal endoscopic surgery (NOTES) colorectal surgery
    Mark H Whiteford
    Gastrointestinal and Minimally Invasive Surgery Division, Legacy Portland Hospitals, Oregon Health and Science University, Portland, Oregon, USA
    J Surg Oncol 96:678-83. 2007
    ..Next, we will review the early experiences with robot-assisted minimally invasive colon resections. Lastly, we will introduce the next frontier in minimally invasive surgery, natural orifice transluminal endoscopic surgery (NOTES)...
  58. ncbi request reprint Endoscopic appraisal of the gastroesophageal valve after antireflux surgery
    Blair A Jobe
    Department of Surgery, Oregon Health and Science University, Portland, Oregon, USA
    Am J Gastroenterol 99:233-43. 2004
    ..The purpose of this report is to characterize the gastroesophageal valve appearance unique to each type of antireflux procedure and to introduce an endoscopic lexicon by which to describe this anatomic region...
  59. ncbi request reprint Full-thickness intraperitoneal excision by transanal endoscopic microsurgery does not increase short-term complications
    Justine A Gavagan
    Department of Minimally Invasive Surgery, Legacy Health System, 1040 NW 22nd Ave, Suite 560, Portland, OR 97210, USA
    Am J Surg 187:630-4. 2004
    ..This study compares the rate of complications arising from TEM with and without intraperitoneal entry...
  60. doi request reprint Natural orifice trans-luminal endoscopic surgery (NOTES) in thoracic surgery
    Konstantinos I Makris
    Legacy Institute of Surgical Education and Innovation and Division of Gastrointestinal and Minimally Invasive Surgery, Legacy Health System and The Oregon Clinic, Portland, Oregon, USA
    Semin Thorac Cardiovasc Surg 22:302-9. 2010
    ..Although initially thought of as a highly improbable application, the "home run" of per-oral endoscopic myotomy is indicating that the thorax may be one of the most useful places for NOTES...
  61. ncbi request reprint Surgical time independently affected by surgical team size
    Maria A Cassera
    Minimally Invasive Surgery Program, Legacy Health System, 1040 NW 22nd Ave, Suite 560, Portland, OR 97210, USA
    Am J Surg 198:216-22. 2009
    ..Team size and composition provide essential data for the study of operating room (OR) efficiency...
  62. doi request reprint Minimally invasive esophagectomy
    Christy M Dunst
    Division of Gastrointestinal and Minimally Invasive Surgery, The Oregon Clinic, Portland, OR 97210, USA
    J Gastrointest Surg 14:S108-14. 2010
    ..The procedural goal is to decrease the high overall morbidity of a traditional open esophageal resection. The entire spectrum of open esophagectomy techniques has been successfully replicated in a minimally invasive fashion...
  63. ncbi request reprint Endoluminal methods for gastrotomy closure in natural orifice transenteric surgery (NOTES)
    Guido M Sclabas
    Minimally Invasive Surgery Division, Legacy Health System, Portland, Oregon 97210, USA
    Surg Innov 13:23-30. 2006
    ..In this article, we describe three new devices in development or newly on the market that are targeted to advance the safe endoscopic closure of gastrotomy from NOTES...
  64. ncbi request reprint Beta test results of a new system assessing competence in laparoscopic surgery
    Lee L Swanstrom
    Department of Minimally Invasive Surgery, Legacy Health System, Portland, OR 97210, USA
    J Am Coll Surg 202:62-9. 2006
    ..The FLS assessment includes a multiple-choice cognitive test and a manual skills test. We present the results of validation studies of this novel assessment tool...
  65. ncbi request reprint Motion--Laparoscopic Nissen fundoplication is more cost effective than oral PPI administration: arguments for the motion
    Lee L Swanstrom
    Department of Minimally Invasive Surgery, Legacy Health System, Portland, OR 97227, USA
    Can J Gastroenterol 16:621-3. 2002
    ....
  66. pmc Bringing order to the chaos: developing a matching process for minimally invasive and gastrointestinal postgraduate fellowships
    Lee L Swanstrom
    Department of Minimally Invasive Surgery, Legacy Health System, Portland, OR 97210, USA
    Ann Surg 243:431-5. 2006
    ..In an effort to bring order to this chaotic situation, the Minimally Invasive Surgery Fellowship Council (MISFC) was founded in 1997...
  67. ncbi request reprint Postoperative symptoms and failure after antireflux surgery
    Yashodhan S Khajanchee
    Department of Minimally Invasive Surgery, Legacy Health System, 501 N Graham, Suite 120, Portland, OR 97227, USA
    Arch Surg 137:1008-13; discussion 1013-4. 2002
    ..Outcomes in patients having surgery for gastroesophageal reflux disease are most commonly determined by symptomatic assessment. Objective testing is usually reserved for symptomatic patients...
  68. doi request reprint Interventional endoscopy and single incision surgery
    Lee L Swanstrom
    Minimally Invasive Surgery Division, Oregon Health Sciences University, Portland, Oregon, USA
    Ann N Y Acad Sci 1232:411-7. 2011
    ....