Research Topics
| D OleynikovSummaryAffiliation: University of Nebraska Medical Center Country: USA Publications
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Detail Information
Publications
Miniature robots can assist in laparoscopic cholecystectomyD Oleynikov
University of Nebraska Medical Center, 983280 Nebraska Medical Center, Omaha, NE 68198 3280, USA
Surg Endosc 19:473-6. 2005..These successful prototype trials have demonstrated that miniature in vivo robots can provide surgeons with additional visual information that can increase procedural safety...- In vivo robotic laparoscopyDmitry Oleynikov
University of Nebraska Medical Center Department of Surgery, Omaha 68198 3280, USA
Surg Innov 12:177-81. 2005..These in vivo robots will be much less expensive than the current generation of large external robotic surgical systems and will ultimately allow a surgeon to be a remote first responder irrespective of the location of the patient... - Endoscopic therapy for gastroesophageal reflux disease: can it replace antireflux surgery?D Oleynikov
Department of Surgery, University of Nebraska Medical Center, Omaha, NE 68198 3280, USA
Minerva Chir 59:427-35. 2004..Endoscopic treatment of GERD has future promise, however, more experience and perhaps further refinement in techniques and technology must occur before widespread clinical application can be encouraged... 
Robotic surgeryDmitry Oleynikov
Minimally Invasive and Computer Assisted Surgery, 983280 Nebraska Medical Center, Omaha, NE 68198 3280, USA
Surg Clin North Am 88:1121-30, viii. 2008....- New alternatives in the management of gastroesophageal reflux diseaseDmitry Oleynikov
University of Nebraska Medical Center, Department of Surgery, 983280 Nebraska Medical Center, Omaha, NE 68198 3280, USA
Am J Surg 186:106-11. 2003..Several new treatment modalities are attempting to augment the gastroesophageal (GE) junction function by various endoscopic means... - Effect of visual feedback on surgical performance using the da Vinci surgical systemDmitry Oleynikov
University of Nebraska Medical Center, Omaha, Nebraska 68198 3280, USA
J Laparoendosc Adv Surg Tech A 16:503-8. 2006..The aim of this study was to test the effects of three-dimensional vs. two-dimensional visualization on performance using the da Vinci Surgical System (Intuitive Surgical, Sunnyvale, CA)... - Robotic surgery and training: electromyographic correlates of robotic laparoscopic trainingT N Judkins
University of Nebraska at Omaha, 6001 Dodge Street, Omaha, NE 68182, USA
Surg Endosc 20:824-9. 2006..An evaluation of the physiologic demands of robotic laparoscopic surgery using electromyography can provide us with a meaningful quantitative way to examine performance and skill acquisition... - Total fundoplication is the operation of choice for patients with gastroesophageal reflux and defective peristalsisD Oleynikov
Department of Surgery, University of Washington School of Medicine, 1959 NE Pacific, Box 356410, Seattle, WA 98195-6410, USA
Surg Endosc 16:909-13. 2002..Therefore, fundoplication should be the treatment of choice in patients with GERD and defective peristalsis... - Consistency of performance of robot-assisted surgical tasks in virtual realityI H Suh
University of Nebraska, Omaha, NE, USA
Stud Health Technol Inform 142:369-73. 2009.... - A virtual reality training program for improvement of robotic surgical skillsM Mukherjee
Nebraska Biomechanics Core Facility, University of Nebraska, Omaha, USA
Stud Health Technol Inform 142:210-4. 2009..In conclusion, virtual reality surgical skills training may produce a significant learning effect that can transfer to actual robot-assisted laparoscopic procedures... - Miniature in vivo robots for remote and harsh environmentsM E Rentschler
University of Nebraska Medical Center, Omaha, NE 68198, USA
IEEE Trans Inf Technol Biomed 12:66-75. 2008..This approach is applicable to long-duration space flight, battlefield situations, and for traditional medical centers and other remote surgical locations... - Recent in vivo surgical robot and mechanism developmentsM E Rentschler
University of Nebraska Medical Center, 987690 Nebraska Medical Center, Omaha, Nebraska 68198 7690, USA
Surg Endosc 21:1477-81. 2007.... - Validating advanced robot-assisted laparoscopic training task in virtual realityB Brown-Clerk
HPER Biomechanics Laboratory, University of Nebraska at Omaha, Omaha, NE, USA
Stud Health Technol Inform 132:45-9. 2008..In conclusion, virtual reality could be used as an effective environment to train the next generation of robot-assisted laparoscopic surgeons... - Is it safe to perform laparoscopic ventral hernia repair with mesh in elderly patients?Y K Lee
Department of Surgery, University of Nebraska Medical Center, 983280 Nebraska Medical Center, Omaha, NE 68198 3280, USA
Hernia 12:239-42. 2008..Few studies have documented long-term outcomes of laparoscopic repair in elderly patients. The aim of this study is to report the long-term outcomes of laparoscopic ventral hernia repair with mesh in elderly patients... - Role of endoluminal techniques in treatment of gastro-esophageal reflux diseaseVictor Bochkarev
Minimally Invasive Surgical Program, UNMC, Omaha, NE, USA
Surg Technol Int 14:139-46. 2005.... - The effect of music on robot-assisted laparoscopic surgical performanceKa Chun Siu
University of Nebraska Medical Center, Omaha, NE 68198 5110, USA
Surg Innov 17:306-11. 2010..In conclusion, music with high rhythmicity has a beneficial effect on robotic surgical performance. Musical environment may benefit surgical training and make acquisition of surgical skills more efficient... - The impact of environmental noise on robot-assisted laparoscopic surgical performanceKa Chun Siu
Nebraska Biomechanics Core Facility, University of Nebraska at Omaha, Omaha, NE 68198 5110, USA
Surgery 147:107-13. 2010..We investigated whether noise during training with the da Vinci surgical robot (Intuitive Surgical, Inc., Sunnyvale, CA) would affect the performance of simple operative tasks by the surgeon... - Not all biologics are equal!B C Shah
Department of Surgery, University of Nebraska Medical Center, 985126 Nebraska Medical Center, Omaha, NE 68198 5126, USA
Hernia 15:165-71. 2011.... 
Endoluminal treatment of GERD--role in contemporary clinical practiceJohn K DiBaise
Department of Internal Medicine, Section of Gastroenterology and Hepatology, University of Nebraska Medical Center, Omaha, Nebraska, USA
MedGenMed 6:15. 2004- Comparison of conventional laparoscopic and hand-assisted oncologic segmental colonic resectionC Ringley
Department of Surgery, University of Nebraska Medical Center, Omaha, Nebraska 68198 3280, USA
Surg Endosc 21:2137-41. 2007.... - Symptomatic and physiologic outcomes after operative treatment for extraesophageal refluxB K Oelschlager
Department of Surgery, Swallowing Center, University of Washington, 1959 N E Pacific Street, Seattle, WA 98195 6410, USA
Surg Endosc 16:1032-6. 2002..We employed this method of acid detection to evaluate patients with respiratory symptoms prior to and after laparoscopic Nissen fundoplication to further elucidate the relationship between GERD and respiratory symptoms... - Bilateral laparoscopic inguinal hernia repair in patients with occult contralateral inguinal defectsV Bochkarev
Department of Surgery, University of Nebraska Medical Center, 983280 Nebraska Medical Center, Omaha, Nebraska 68198 3280, USA
Surg Endosc 21:734-6. 2007..A prospective clinical study was performed to reveal a rate of contralateral occult defects in patients who were diagnosed with unilateral inguinal hernia prior to primary laparoscopic totally extraperitoneal (TEP) repair... - Robotic surgery training and performance: identifying objective variables for quantifying the extent of proficiencyK Narazaki
University of Nebraska, Omaha, NE 68182, USA
Surg Endosc 20:96-103. 2006..The variables examined showed great promise as objective indicators of proficiency and skill acquisition in robotic surgery... - Laparoscopic hiatal hernia repair with human acellular dermal matrix patch: our initial experienceChad D Ringley
Department of Surgery, University of Nebraska Medical Center, 983280 Nebraska Medical Center, Omaha, NE 68198-3280, USA
Am J Surg 192:767-72. 2006..However, future investigation of the material for this particular application as well as longer follow-up is necessary... - Summaries of the SAGES 2007 reoperative minimally invasive surgery symposiumFred Brody
Department of Surgery, The George Washington University Medical Center, Washington, DC 20037, USA
Surg Endosc 22:232-44. 2008..The ensuing manuscript summarizes the oral presentations and discusses several technical aspects for each disorder... - One hundred consecutive laparoscopic Nissen's without the use of a bougieVictor Bochkarev
Department of Surgery, University of Nebraska Medical Center, 983280 Nebraska Medical Center, Omaha, NE 68198 3280, USA
Am J Surg 194:866-70; discussion 870-1. 2007..The aim of this study was to determine if IEGD can replace the routine use of a bougie in the creation of a fundoplication... - Objective assessment of proficiency with bimanual inanimate tasks in robotic laparoscopyKenji Narazaki
University of Nebraska at Omaha, Omaha, Nebraska 68182, USA
J Laparoendosc Adv Surg Tech A 17:47-52. 2007..Our aim was to address these limitations and assess proficiency in robotic laparoscopy using bimanual inanimate tasks... - Miniature in vivo robotics and novel robotic surgical platformsBhavin C Shah
Minimally Invasive and Robotic Surgery, University of Nebraska Medical Center, Omaha, NE 68198 3280, USA
Urol Clin North Am 36:251-63, x. 2009..This article discusses the current state of miniature robotics and novel robotic surgical platforms and the development of future robotic technology for general surgery and urology... - Measurements of the level of surgical expertise using flight path analysis from da Vinci robotic surgical systemLawton Verner
University of Nebraska Medical Center, Omaha, NE, USA
Stud Health Technol Inform 94:373-8. 2003..We have recorded velocities and positions of complex movements made by both novice and expert surgeons using da Vinci system and performed geometric and statistical analysis of the data... - Real-time augmented feedback benefits robotic laparoscopic trainingTimothy N Judkins
HPER Biomechanics Lab, University of Nebraska at Omaha, Omaha, NE 68182, USA
Stud Health Technol Inform 119:243-8. 2006..We also showed that robotic surgical performance can be quantitatively measured and evaluated. Providing grip force feedback can make the surgeon more aware of the forces being applied to delicate tissue during surgery... - Virtual reality for robotic laparoscopic surgical trainingMatthew J Fiedler
HPER Biomechanics Lab, University of Nebraska at Omaha, Omaha, NE, USA
Stud Health Technol Inform 125:127-9. 2007..However, the differences identified need to be further explored and point to the need to further improve our VR simulation... - Feasibility of robot-assisted totally intracorporeal laparoscopic ileal conduit urinary diversion: initial results of a single institutional pilot studyK C Balaji
Division of Urologic, Department of Surgery, University of Nebraska Medical Center, Omaha, Nebraska 68198-2360, USA
Urology 63:51-5. 2004..The practical application of TLIC requires improved long-term outcomes compared with open surgery, as well as a reduction in the operative time to justify the costs of robotic surgery... - Validated robotic laparoscopic surgical training in a virtual-reality environmentDimitrios Katsavelis
HPER Biomechanics Lab, University of Nebraska at Omaha, Omaha, NE 68182 0216, USA
Surg Endosc 23:66-73. 2009..The simulated VR training environment provides an effective approach to evaluate and improve surgical performance. This study presents our findings of the VR training environment for robotic laparoscopy... - Morbidity associated with laparoscopic repair of suprapubic herniasBrandon Varnell
University of Nebraska Medical Center, Department of General Surgery, 983280 Nebraska Medical Center, Omaha, NE 68198 3280, USA
Am J Surg 196:983-7; discussion 987-8. 2008..The aim of the current study was to document the complications and morbidity associated with the repair of suprapubic hernias... - Long-term outcome of cruroplasty reinforcement with human acellular dermal matrix in large paraesophageal hiatal herniaYong Kwon Lee
Department of Surgery, University of Nebraska Medical Center, 983280 Nebraska Medical Center, Omaha, NE 68198 3280, USA
J Gastrointest Surg 12:811-5. 2008..This study highlights our long-term results>1 year of cruroplasty reinforcement with AlloDerm in the repair of large hiatal hernias... - Esophageal duplication cyst--a guest case in robotic and computer-assisted surgery from the University of Nebraska Medical CenterChad Ringley
Minimally Invasive and Computer-Assisted Surgery, Department of Surgery, University of Nebraska Medical Center, Omaha, Nebraska, USA
MedGenMed 8:25. 2006 - Does type of mesh used have an impact on outcomes in laparoscopic inguinal hernia?Bhavin C Shah
Minimally Invasive and Robotic Surgery, Department of Surgery, 983280 University of Nebraska Medical Center, Omaha, NE 68198 3280, USA
Am J Surg 198:759-64. 2009..Theoretically, a lighter and softer mesh may decrease nerve entrapment and chronic pain by creating less fibrosis and mesh contracture in laparoscopic inguinal hernia repair... - Does gallbladder ejection fraction predict outcome after cholecystectomy for suspected chronic acalculous gallbladder dysfunction? A systematic reviewJohn K DiBaise
Department of Internal Medicine, Section of Gastroenterology and Hepatology, University of Nebraska Medical Center, 982000 Nebraska Medical Center, Omaha, NE 68198 2000, USA
Am J Gastroenterol 98:2605-11. 2003..More high quality trials are needed... - 48-Hour pH monitoring increases the risk of false positive studies when the capsule is prematurely passedAtif Iqbal
Advanced Laparoscopic Surgery and Computer Assisted Surgery, Department of Surgery, University of Nebraska Medical Center, 983280 Nebraska Medical Center, Omaha, NE 68198 3280, USA
J Gastrointest Surg 11:638-41. 2007..Tracings that show prolonged acid exposure or loss of communication with the Bravo capsule should be screened for the capsule's possible early dislodgement and premature advancement into the stomach... - Short esophagus: how much length can we get?Victor Bochkarev
Department of Surgery, University of Nebraska Medical Center, 983280 Nebraska Medical Center, Omaha, NE 68198 3280, USA
Surg Endosc 22:2123-7. 2008..Short esophagus can cause wrap herniation and poor clinical outcomes. The aim of the study is to measure maximum length of esophageal elongation with transhiatal mediastinal dissection... - Clinical and pathologic response of Barrett's esophagus to laparoscopic antireflux surgeryBrant K Oelschlager
The Swallowing Center and Department of Surgery The University of Washington, Seatle, Washington 98195 6410, USA
Ann Surg 238:458-64; discussion 464-6. 2003..The effectiveness of this operation with regards to symptoms and to the evolution of the columnar-lined epithelium remains controversial... - In vivo robots for laparoscopic surgeryMark E Rentschler
University of Nebraska College of Engineering and Technology, Lincoln, NE, USA
Stud Health Technol Inform 98:316-22. 2004..These remotely controlled in vivo robots provide the surgeon with an enhanced field of view from arbitrary angles as well as provide dexterous manipulators not constrained by small incisions in the abdominal wall... - In vivo robotics for natural orifice transgastric peritoneoscopyAmy C Lehman
University of Nebraska, Department of Mechanical Engineering, NE, USA
Stud Health Technol Inform 132:236-41. 2008.... - Natural orifice surgery with an endoluminal mobile robotMark E Rentschler
University of Nebraska Lincoln, N104 Walter Scott Engineering Center, P O Box 880656, Lincoln, NE 68588 0656, USA
Surg Endosc 21:1212-5. 2007..Such technology will help to reduce patient trauma while providing surgical flexibility... - Modeling surgical tool selection patterns as a "traveling salesman problem" for optimizing a modular surgical tool systemCarl A Nelson
Dept of Mechanical Engineering, University of Nebraska Lincoln, NE, USA
Stud Health Technol Inform 132:322-6. 2008..In a set of simulations, this method has shown superior performance at optimizing tool arrangements for streamlining surgical procedures... - Surgery with cooperative robotsAmy C Lehman
University of Nebraska Lincoln, Lincoln, Nebraska, USA
Comput Aided Surg 13:95-105. 2008..These procedures demonstrate that miniature in vivo robots can address the visualization constraints of minimally invasive surgery by providing video feedback and task assistance from arbitrary orientations within the peritoneal cavity... - Pre-operative ordering of minimally invasive surgical tools: a fuzzy inference system approachDavid J Miller
Department of Mechanical Engineering, University of Nebraska Lincoln, N104 Walter Scott Engineering Center, P O Box 880656, Lincoln, NE 68588 0656, USA
Artif Intell Med 43:35-45. 2008..With a limited number of access ports, minimally invasive surgery (MIS) often requires the complete removal of one tool and reinsertion of another in order to provide surgeons with the full functionality necessary to complete a procedure... - Towards an in vivo wireless mobile robot for surgical assistanceJeff A Hawks
University of Nebraska, Department of Mechanical Engineering, NE, USA
Stud Health Technol Inform 132:153-8. 2008..Such wireless in vivo robots are much more transportable and lower cost than current robotic surgical assistants, and could ultimately allow a surgeon to become a remote first responder irrespective of the location of the patient... - Toward in vivo mobilityMark E Rentschler
Department of Mechanical Engineering, University of Nebraska-Lincoln, Lincoln, NE, USA
Stud Health Technol Inform 111:397-403. 2005..Such assistants will need to attain optimal viewing angles by traversing the abdominal organs without causing trauma. This paper presents an experimental analysis of miniature in vivo robot wheels... - Enhanced robotic surgical training using augmented visual feedbackTimothy N Judkins
Physical Therapy and Rehabilitation Science, University of Maryland School of Medicine, Baltimore, Maryland 21201, USA
Surg Innov 15:59-68. 2008..This study showed that the real-time augmented feedback during training can enhance the surgical performance and can potentially be beneficial for both training and surgery... - Mobile in vivo biopsy and camera robotMark E Rentschler
University of Nebraska, Department of Mechanical Engineering, USA
Stud Health Technol Inform 119:449-54. 2006..This paper outlines the steps towards the successful design of an in vivo biopsy robot. The clamping forces required for successful biopsy are presented and in vivo performance of this robot is addressed... - Design methodology for a novel multifunction laparoscopic tool: engineering for surgeons' needsCarl A Nelson
Dept of Mechanical Engineering, University of Nebraska Lincoln, NE, USA
Stud Health Technol Inform 125:343-8. 2007..This novel tool eliminates the need to remove and reinsert multiple tools during a surgical procedure and decreases the OR time, monetary cost and trauma to the patient... - Effect of handle design and target location on insertion and aim with a laparoscopic surgical toolAdriana Trejo
Industrial and Management Systems Engineering, 175 Nebraska Hall, University of Nebraska, Lincoln, NE 68588 0518, USA
Appl Ergon 38:745-53. 2007..For physical workload, the method of gripping the tools was the most important factor. The scissors-type tool caused the largest wrist flexion, in contrast both free styles hand postures with the Intuitool showed the least wrist flexion... - Laryngoscopy and pharyngeal pH are complementary in the diagnosis of gastroesophageal-laryngeal refluxBrant K Oelschlager
Swallowing Center, and the Department of Surgery, University of Washington, Seattle, WA 98195 6410, USA
J Gastrointest Surg 6:189-94. 2002..Laryngoscopy and pharyngeal pH monitoring should be considered complementary studies in establishing the diagnosis of laryngeal injury induced by gastroesophageal reflux. ( J GASTROINTEST SURG 2002;6:189-194.).. - Endoluminal minirobots for transgastric peritoneoscopyAmy C Lehman
Walter Scott Engineering Center, University of Nebraska, Lincoln, NE, USA
Minim Invasive Ther Allied Technol 15:384-8. 2006..The safety and feasibility of such robotic technology has been successfully demonstrated for natural orifice transluminal endoscopic surgery (NOTES) in animal models...