Surgical Endoscopy

, Volume 32, Issue 3, pp 1389–1396 | Cite as

Can fatigue affect acquisition of new surgical skills? A prospective trial of pre- and post-call general surgery residents using the da Vinci surgical skills simulator

  • Weston Robison
  • Sonya K. Patel
  • Akshat Mehta
  • Tristan Senkowski
  • John Allen
  • Eric Shaw
  • Christopher K. Senkowski
Article

Abstract

Objective

To study the effects of fatigue on general surgery residents’ performance on the da Vinci Skills Simulator (dVSS).

Methods

15 General Surgery residents from various postgraduate training years (PGY2, PGY3, PGY4, and PGY5) performed 5 simulation tasks on the dVSS as recommended by the Robotic Training Network (RTN). The General Surgery residents had no prior experience with the dVSS. Participants were assigned to either the Pre-call group or Post-call group based on call schedule. As a measure of subjective fatigue, residents were given the Epworth Sleepiness Scale (ESS) prior to their dVSS testing. The dVSS MScore™ software recorded various metrics (Objective Structured Assessment of Technical Skills, OSATS) that were used to evaluate the performance of each resident to compare the robotic simulation proficiency between the Pre-call and Post-call groups.

Results

Six general surgery residents were stratified into the Pre-call group and nine into the Post-call group. These residents were also stratified into Fatigued (10) or Nonfatigued (5) groups, as determined by their reported ESS scores. A statistically significant difference was found between the Pre-call and Post-call reported sleep hours (p = 0.036). There was no statistically significant difference between the Pre-call and Post-call groups or between the Fatigued and Nonfatigued groups in time to complete exercise, number of attempts, and high MScore™ score.

Conclusion

Despite variation in fatigue levels, there was no effect on the acquisition of robotic simulator skills.

Keywords

Fatigue Robotic Education dVSS General surgery resident 

Abbreviation

dVSS

da Vinci Skills Simulator

ESS

Epworth Sleepiness Scale

OSATS

Objective structure assessment of technical skills

PGY

Postgraduate year

RTN

Robotic training network

ACGME

Accreditation Council for Graduate Medical Education

VSS

Virtual surgery simulator

VR

Virtual reality

IRB

Institutional Review Board

SPSS

Statistical package of social sciences

Notes

Acknowledgements

The authors are grateful for Craig Smith M.D. and his involvement in our study.

Funding

This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

Compliance with ethical standards

Conflict of interest

Weston Robison, Sonya K. Patel, Akshat Mehta, Tristan Senkowski, John Allen, Eric Shaw, and Christopher K. Senkowski declare that they have no conflict of interest.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from all individual participants included in the study.

Supplementary material

464_2017_5820_MOESM1_ESM.docx (79 kb)
Supplementary material 1 (DOCX 78 kb)
464_2017_5820_MOESM2_ESM.docx (50 kb)
Supplementary material 2 (DOCX 50 kb)

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Copyright information

© Springer Science+Business Media, LLC 2017

Authors and Affiliations

  • Weston Robison
    • 1
  • Sonya K. Patel
    • 2
  • Akshat Mehta
    • 1
  • Tristan Senkowski
    • 3
  • John Allen
    • 2
  • Eric Shaw
    • 1
  • Christopher K. Senkowski
    • 2
  1. 1.Mercer School of Medicine, Memorial University Medical CenterSavannahUSA
  2. 2.Department of SurgeryMemorial University Medical Center, Mercer School of MedicineSavannahUSA
  3. 3.Savannah Country Day SchoolMemorial University Medical CenterSavannahUSA

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