What is the ideal interval between training sessions during proficiency-based laparoscopic simulator training?

Dimitrios Stefanidis, K. Christian Walters, Ana Mostafavi, B. Todd Heniford

Research output: Contribution to journalArticlepeer-review

26 Scopus citations


Background: The aim of this study was to identify the ideal interval between training sessions in a proficiency-based laparoscopic suturing simulator curriculum. Methods: We analyzed performance data from 3 randomized controlled trials of novices (n = 66) who followed a similar proficiency-based simulator curriculum in laparoscopic suturing on the Fundamentals of Laparoscopic Surgery model. The change in performance and intertraining interval were correlated. Results: Overall participant performance improved from 530 ± 58 seconds at baseline to 81 ± 14 seconds at training completion (P < .001). Intertraining intervals ranged from 1 to 43 days and performance change between training sessions varied widely. There was no correlation of performance change with intertraining interval (r = .05, P = .30). Performance deterioration was similar at different intertraining intervals. Shorter intervals were associated, however, with shorter training duration (r = .35, P = .005). Conclusions: No association was found between intertraining interval and change in performance during proficiency-based laparoscopic simulator training but shorter intervals were associated with improved skill acquisition. Further study is needed to confirm these findings.

Original languageEnglish (US)
Pages (from-to)126-129
Number of pages4
JournalAmerican Journal of Surgery
Issue number1
StatePublished - Jan 2009
Externally publishedYes


  • Intertraining interval
  • Laparoscopy
  • Simulation
  • Skills training
  • Suturing

ASJC Scopus subject areas

  • Surgery


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