Research Topics
| Dimitrios StefanidisSummaryAffiliation: Carolinas Medical Center Country: USA Publications
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Detail Information
Publications
Proficiency-based laparoscopic simulator training leads to improved operating room skill that is resistant to decayDimitrios Stefanidis
Division of Gastrointestinal and Minimally Invasive Surgery, Department of General Surgery, Carolinas Medical Center, Charlotte, North Carolina 28203, USA
Surg Innov 15:69-73. 2008..38). Proficiency-based simulator training results in durable improvement in operative skill of trainees even in the absence of practice for up to 5 months. Minute simulator performance changes do not translate to the operating room...
Skill retention following proficiency-based laparoscopic simulator trainingDimitrios Stefanidis
Tulane Center for Minimally Invasive Surgery, Tulane University School of Medicine, New Orleans, LA 70112-2699, USA
Surgery 138:165-70. 2005..Additional studies are warranted to further optimize curriculum design, investigate simulator differences, and establish training methods that improve skill retention...
Intensive continuing medical education course training on simulators results in proficiency for laparoscopic suturingDimitrios Stefanidis
Tulane University School of Medicine, Department of Surgery, SL-22, Tulane Center for Minimally Invasive Surgery, 1430 Tulane Ave, New Orleans, LA 70112-2699, USA
Am J Surg 191:23-7. 2006..CONCLUSIONS: Although 4 hours may be insufficient for some trainees, an intensive half-day CME course is feasible and effective in significantly improving performance and allowing the majority of participants to achieve proficiency...
Proficiency maintenance: impact of ongoing simulator training on laparoscopic skill retentionDimitrios Stefanidis
Department of Surgery, Carolinas Medical Center, Charlotte, NC, and Tulane University School of Medicine, New Orleans, LA, USA
J Am Coll Surg 202:599-603. 2006..Curricula should incorporate training that fosters maintenance of proficiency...
Redefining simulator proficiency using automaticity theoryDimitrios Stefanidis
Department of Surgery, 1000 Blythe Blvd, MEB 601, Charlotte, NC 28203, USA
Am J Surg 193:502-6. 2007..Our objective was to assess whether a visual-spatial task that measures spare attentional capacity would distinguish among individuals with different levels of laparoscopic expertise...
Laparoscopic fundoplication takedown with conversion to Roux-en-Y gastric bypass leads to excellent reflux control and quality of life after fundoplication failureDimitrios Stefanidis
Division of Gastrointestinal and Minimally Invasive Surgery, Carolinas Medical Center, 1025 Morehead Medical Drive, Suite 300, Charlotte, NC 28204, USA
Surg Endosc 26:3521-7. 2012..This study assessed outcomes and quality-of-life data after fundoplication takedown and conversion to LRYGB for patients with failed fundoplications...
What is the ideal interval between training sessions during proficiency-based laparoscopic simulator training?Dimitrios Stefanidis
Division of Gastrointestinal and Minimally Invasive Surgery, Department of General Surgery, Carolinas Medical Center, 1000 Blythe Boulevard, MEB 601, Charlotte, NC 28203, USA
Am J Surg 197:126-9. 2009..The aim of this study was to identify the ideal interval between training sessions in a proficiency-based laparoscopic suturing simulator curriculum...
The formula for a successful laparoscopic skills curriculumDimitrios Stefanidis
Division of Gastrointestinal and Minimally Invasive Surgery, Department of General Surgery, Carolinas Medical Center, 1000 Blythe Blvd, MEB 601, Charlotte, NC 28203, USA
Arch Surg 144:77-82; discussion 82. 2009..A skills curriculum is a dynamic process that should be tailored to individual needs and be continuously optimized based on accumulated evidence and experience...
Do metrics matter? Time versus motion tracking for performance assessment of proficiency-based laparoscopic skills trainingDimitrios Stefanidis
Department of Surgery, Carolinas Medical Center, Charlotte, North Carolina 28203, USA
Simul Healthc 4:104-8. 2009..The purpose of this study was to compare the added value of motion metrics in determining training completion during a proficiency-based simulator curriculum compared with traditional metrics (time)...
Factors influencing residency choice of general surgery applicants--how important is the availability of a skills curriculum?Dimitrios Stefanidis
Department of General Surgery, Carolinas Medical Center, Charlotte, North Carolina 28203, USA
J Surg Educ 66:325-9. 2009..The objective of this study was to assess the factors that impact residency choice by general surgery applicants and the importance of the availability of skill curricula...
What is the utilization of the SAGES guidelines by its members?Dimitrios Stefanidis
Department of General Surgery, Carolinas Medical Center, 1000 Blythe Boulevard, MEB 601, Charlotte, NC 28203, USA
Surg Endosc 24:3210-5. 2010..The objective of this study was to assess the use of SAGES guidelines by its members...
Initial laparoscopic basic skills training shortens the learning curve of laparoscopic suturing and is cost-effectiveDimitrios Stefanidis
Division of Gastrointestinal and Minimally Invasive Surgery, Carolinas Medical Center, Charlotte, NC 28203, USA
J Am Coll Surg 210:436-40. 2010..We hypothesized that mastering basic laparoscopic skills first would shorten the learning curve of a more complex laparoscopic task and reduce resource requirements for the Fundamentals of Laparoscopic Surgery suturing curriculum...
Optimal acquisition and assessment of proficiency on simulators in surgeryDimitrios Stefanidis
Department of Surgery, University of North Carolina, Charlotte, NC, USA
Surg Clin North Am 90:475-89. 2010....
The importance of the length of the limbs for gastric bypass patients--an evidence-based reviewDimitrios Stefanidis
Division of Gastrointestinal and Minimally Invasive Surgery, Department of General Surgery, Carolinas Weight Management and Wellness Center, Carolinas Medical Center, Charlotte, NC 28203, USA
Obes Surg 21:119-24. 2011....
Robotic suturing on the FLS model possesses construct validity, is less physically demanding, and is favored by more surgeons compared with laparoscopyDimitrios Stefanidis
Department of General Surgery, Carolinas Medical Center, 1000 Blythe Blvd, MEB 601, Charlotte, NC 28203, USA
Surg Endosc 25:2141-6. 2011..The value of robotic assistance for intracorporeal suturing is not well defined. We compared robotic suturing with laparoscopic suturing on the FLS model with a large cohort of surgeons...
Research priorities in surgical simulation for the 21st centuryDimitrios Stefanidis
Department of General Surgery, Division of Gastrointestinal and Minimally Invasive Surgery, Carolinas Medical Center, Charlotte, NC 28204, USA
Am J Surg 203:49-53. 2012..Despite tremendous growth, research in surgical simulation remains uncoordinated and unfocused. The objective of this study was to develop research priorities for surgical simulation...
Challenges during the implementation of a laparoscopic skills curriculum in a busy general surgery residency programDimitrios Stefanidis
Department of General Surgery, Carolinas Medical Center, Charlotte, North Carolina 28203, USA
J Surg Educ 65:4-7. 2008....
Limited feedback and video tutorials optimize learning and resource utilization during laparoscopic simulator trainingDimitrios Stefanidis
Department of General Surgery, Division of Gastrointestinal and Minimally Invasive Surgery, Carolinas Medical Center, Charlotte, NC, USA
Surgery 142:202-6. 2007..The purpose of this study was to determine the impact of instructor feedback and video tutorials on skill acquisition during proficiency-based laparoscopic suturing training...
Simulator training to automaticity leads to improved skill transfer compared with traditional proficiency-based training: a randomized controlled trialDimitrios Stefanidis
Carolinas Simulation Center, Carolinas Medical Center, Charlotte, NC, USA
Ann Surg 255:30-7. 2012..We hypothesized that novices will perform better in the operating room after simulator training to automaticity compared with traditional proficiency based training (current standard training paradigm)...
Construct and face validity and task workload for laparoscopic camera navigation: virtual reality versus videotrainer systems at the SAGES Learning CenterDimitrios Stefanidis
Department of General Surgery Division of Gastrointestinal and Minimally Invasive Surgery, Carolinas Medical Center, Charlotte, NC, USA
Surg Endosc 21:1158-64. 2007..The objective of this study was to compare the construct and face validity, as well as workload, of two previously validated virtual reality (VR) and videotrainer (VT) systems...
Performance goals on simulators boost resident motivation and skills laboratory attendanceDimitrios Stefanidis
Carolinas Simulation Center, Division of Gastrointestinal and Minimally Invasive Surgery, Department of General Surgery, Carolinas Medical Center, Charlotte, North Carolina 28203, USA
J Surg Educ 67:66-70. 2010..To assess the impact of setting simulator training goals on resident motivation and skills laboratory attendance...
Do novices display automaticity during simulator training?Dimitrios Stefanidis
Department of Surgery, Carolinas Medical Center, Charlotte, NC, USA
Am J Surg 195:210-3. 2008..The objective of this study was to investigate whether novices improve their ability to develop multitask (ie, automaticity) with accumulating experience on a simulated laparoscopic task...
Psychomotor testing predicts rate of skill acquisition for proficiency-based laparoscopic skills trainingDimitrios Stefanidis
Department of Surgery, Carolinas Medical Center, Charlotte, NC, USA
Surgery 140:252-62. 2006..These tests may be useful in optimizing curricular design by allowing the tailoring of training to individual needs...
Robotic assistance improves intracorporeal suturing performance and safety in the operating room while decreasing operator workloadDimitrios Stefanidis
Division of Gastrointestinal and Minimally Invasive Surgery, Department of General Surgery, Carolinas Medical Center, Carolinas Simulation Center, Charlotte, NC 28203, USA
Surg Endosc 24:377-82. 2010..Intracorporeal suturing is one of the most difficult laparoscopic tasks. The purpose of this study was to assess the impact of robotic assistance on novice suturing performance, safety, and workload in the operating room...
Higher mental workload is associated with poorer laparoscopic performance as measured by the NASA-TLX toolYuliya Y Yurko
Division of Gastrointestinal and Minimally Invasive Surgery, Carolinas Medical Center, Charlotte, NC, USA
Simul Healthc 5:267-71. 2010..We assessed the relationship of workload and performance during simulator training on a complex laparoscopic task...
Evaluation of soft tissue attachments to a novel intra-abdominal prosthetic in a rabbit modelCharles J Dolce
Carolinas Medical Center, Charlotte, NC 28203, USA
Surg Innov 19:295-300. 2012..Composite mesh types have been developed to address the shortcomings of standard meshes. The authors evaluated the host reaction to intraperitoneal placement of a novel composite material...
Closing the gap in operative performance between novices and experts: does harder mean better for laparoscopic simulator training?Dimitrios Stefanidis
Department of General Surgery, Division of Gastrointestinal and Minimally Invasive Surgery, Carolinas Medical Center, Charlotte, NC 28211, USA
J Am Coll Surg 205:307-13. 2007..We hypothesized that simulator training under more difficult and realistic conditions would enhance the operative performance of novices...
Single incision laparoscopic surgery (SILS) is associated with poorer performance and increased surgeon workload compared with standard laparoscopyPaul N Montero
Division of Gastrointestinal and Minimally Invasive Surgery, Carolinas Medical Center, Charlotte, North Carolina 28203, USA
Am Surg 77:73-7. 2011..SILS performance improved when angulated instruments were used but remained inferior to standard laparoscopy. This may translate into poorer operating room efficiency and safety...
Does patient compliance with preoperative bariatric office visits affect postoperative excess weight loss?Maher El Chaar
Section of Bariatric Surgery, Division of Minimally Invasive Surgery and Bariatric Surgery, Carolinas Medical Center, Charlotte, North Carolina 28203, USA
Surg Obes Relat Dis 7:743-8. 2011..We hypothesized that poor preoperative patient compliance with office visits, a likely indicator of overall compliance, would be associated with lower %EWL after bariatric surgery at a teaching hospital in the United States...
Increased stress levels may explain the incomplete transfer of simulator-acquired skill to the operating roomAjita Prabhu
Division of Gastrointestinal and Minimally Invasive Surgery, Carolinas Medical Center, 1000 Blythe Boulevard, MEB 601, Charlotte, NC 28203, USA
Surgery 147:640-5. 2010..The objective of this study was to examine the stress level of trainees during the transition from the simulator to the operating room (OR) and its impact on performance...
Open-label, sham-controlled trial of an endoscopic duodenojejunal bypass liner for preoperative weight loss in bariatric surgery candidatesKeith S Gersin
Carolinas Medical Center, Charlotte, North Carolina 28203, USA
Gastrointest Endosc 71:976-82. 2010....
Duodenal- jejunal bypass sleeve: a totally endoscopic device for the treatment of morbid obesityKeith S Gersin
Department of General Surgery, Carolinas Medical Center, Charlotte, North Carolina, USA
Surg Innov 14:275-8. 2007..09 kg. Continued follow-up and enrollment is ongoing to demonstrate patient safety and efficacy. Additional studies are being performed to elucidate mechanism of weight loss and future clinical applications of this device...
What is the cost associated with the implementation of the FLS program into a general surgery residency?Phuong H Nguyen
Division of Gastrointestinal and Minimally Invasive Surgery, Carolinas Medical Center, Charlotte, NC 28203, USA
Surg Endosc 24:3216-20. 2010..The objective of this study was to evaluate the cost associated with the implementation of the FLS program into the skills curriculum of a busy general surgery residency...
Insurance-mandated medical programs before bariatric surgery: do good things come to those who wait?Timothy S Kuwada
Section of Bariatric Surgery, Division of Gastrointestinal and Minimally Invasive Surgery, Department of Surgery, Carolinas Medical Center, Charlotte, North Carolina, USA
Surg Obes Relat Dis 7:526-30. 2011..It is unknown whether MMPs improve weight loss before and after surgery. The purpose of our study was to determine whether MMPs improve pre- and postoperative weight loss at a tertiary care, U.S. academic teaching hospital...
The role of diagnostic laparoscopy for acute abdominal conditions: an evidence-based reviewDimitrios Stefanidis
Division of Gastrointestinal and Minimally Invasive Surgery, Department of General Surgery, Carolinas Medical Center, 1000 Blythe Boulevard, MEB 601, Charlotte, NC 28203, USA
Surg Endosc 23:16-23. 2009..The limitations of the available literature are highlighted, and evidence-based recommendations for the use of diagnostic laparoscopy to determine acute intraabdominal conditions are provided...
The status of surgical skills training in the Carolinas: a plea for collaborationWilliam W Hope
South East Area Health Education Center, Department of Surgery, New Hanover Regional Medical Center, Wilmington, North Carolina, USA
Am Surg 77:948-50. 2011..Variability and lack of standardization exists with regard to surgical skills training in residency training programs in North and South Carolina. Collaborative efforts to promote standardization are needed and are presently underway...
Poor resident-attending intraoperative communication may compromise patient safetyIgor Belyansky
Division of Gastrointestinal and Minimally Invasive Surgery, Carolinas Laparoscopic and Advanced Surgery Program, Carolinas Medical Center, Charlotte, North Carolina 28204, USA
J Surg Res 171:386-94. 2011..This study examined the factors that influence surgical trainees in expressing their opinion in the operating room and the consequences this might have on patient safety...
Reported excess weight loss after bariatric surgery could vary significantly depending on calculation method: a plea for standardizationPaul N Montero
Division of Gastrointestinal and Minimally Invasive Surgery, Carolinas Medical Center, Charlotte, North Carolina, USA
Surg Obes Relat Dis 7:531-4. 2011..The present study examined the effect of variations in IBW and the preoperative weight on the %EWL at a tertiary care teaching hospital...
Feasibility and value of a procedural workshop for surgery residents based on phase II of the APDS/ACS national skills curriculumDimitrios Stefanidis
Carolinas Medical Center, Charlotte, NC, USA
J Surg Educ 69:735-9. 2012..Our objective was to assess the feasibility, value, and cost required to administer a procedural workshop for general surgery residents based on phase II of the national skills curriculum...
Pushing the envelope in biomaterial research: initial results of prosthetic coating with stem cells in a rat modelCharles J Dolce
Department of Gastrointestinal and Minimally Invasive Surgery, Department of Surgery, Carolinas Medical Center, 1000 Blythe Blvd MEB 601, Charlotte, NC 28203, USA
Surg Endosc 24:2687-93. 2010..The objective of this study was to prove the feasibility of prosthetic coating with stem cells and to assess its resistance to adhesion formation when implanted in an animal model...
Extended interval for retrieval of vena cava filters is safe and may maximize protection against pulmonary embolismDimitrios Stefanidis
The F.H. Sammy Ross, Jr Trauma Center and The Carolinas Laparoscopic and Advanced Surgery Program, Department of Surgery, Carolinas Medical Center, Charlotte, NC, USA
Am J Surg 192:789-94. 2006..No post-insertion or post-retrieval PE occurred in this study. CONCLUSION: Extended intervals for retrieval of VCF are safe and may maximize protection against pulmonary embolism...
Safety and efficacy of metallic stents in the management of colorectal obstructionDimitrios Stefanidis
Department of Surgery, Division of Surgical Oncology, University of Texas Health Science Center, San Antonio 78229-3900, USA
JSLS 9:454-9. 2005..Further prospective randomized studies are necessary to fully elucidate the use of stents in the management of colorectal cancer...
Re: "Psychomotor testing predicts rate of skill acquisition for proficiency-based laparoscopic skills training"Dimitrios Stefanidis
Surgery 141:831-2. 2007
Evidence and consequence of porcine endogenous retrovirus recombinationBirke Bartosch
Wohl Virion Centre, Division of Infection of Immunity, University College London, 46 Cleveland St, London W1T 4JF, United Kingdom
J Virol 78:13880-90. 2004..In this context, pigs lacking non-human-tropic PERV-C would be more suitable as donor animals for clinical xenotransplantation...
