Implementation, construct validity, and benefit of a proficiency-based knot-tying and suturing curriculum

Goova, Mouza T., Hollett, Lisa A., Tesfay, Seifu T., Gala, Rajiv B., Puzziferri, Nancy, Kehdy, Farid J. and Scott, Daniel J. (2008) Implementation, construct validity, and benefit of a proficiency-based knot-tying and suturing curriculum. Journal of Surgical Education, 65 4: 309-315. doi:10.1016/j.jsurg.2008.04.004


Author Goova, Mouza T.
Hollett, Lisa A.
Tesfay, Seifu T.
Gala, Rajiv B.
Puzziferri, Nancy
Kehdy, Farid J.
Scott, Daniel J.
Title Implementation, construct validity, and benefit of a proficiency-based knot-tying and suturing curriculum
Journal name Journal of Surgical Education   Check publisher's open access policy
ISSN 1931-7204
1878-7452
Publication date 2008-07
Sub-type Article (original research)
DOI 10.1016/j.jsurg.2008.04.004
Volume 65
Issue 4
Start page 309
End page 315
Total pages 7
Place of publication Philadelphia, PA, United States
Publisher Elsevier
Language eng
Formatted abstract
Objectives The aim of this proficiency-based, open knot-tying and suturing study was to evaluate the feasibility of implementing this curriculum within a residency program, and to assess construct validity and educational benefit.
Methods PGY1 residents (n = 37) were enrolled in an Institutional Review Board (IRB)–approved prospective study that was conducted over a 12-week period. Trainees viewed a video tutorial during orientation and as needed; they self-practiced to proficiency for 12 standardized knot-tying, practiced suturing tasks; performed 1 repetition of each task at baseline and posttesting; and completed questionnaires.
Results Curriculum implementation required 376 person-hours, and material costs were $776. All trainees achieved proficiency within allotted 12 weeks. Overall, trainees completed 141 ± 80 repetitions over 12.7 ± 5.3 hours in addition to performing 13.4 ± 12.4 operations. Baseline trainee and expert performance were significantly different for all 12 tasks and composite score (732 ± 294 vs 1488 ± 26, p < 0.001), which supported construct validity. Baseline trainees demonstrated significant improvement at posttesting according to composite scores (732 ± 294 vs 1503 ± 131, p < 0.001), which validates skill acquisition.
Conclusions Implementation of this proficiency-based curriculum within the constraints of a residency program is feasible. This curriculum is educationally beneficial and cost effective; our data support construct validity. Evaluation of transferability to the operating room and more widespread adoption of this curriculum are warranted.
Keyword Surgical education
Open knot-tying and suturing curriculum
Technical skills training
Implementation of open skills curriculum
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ
Additional Notes Presented at the 2007 Surgical Education Week, Association for Surgical Education, April 10, 2007, Washington, DC.

Document type: Journal Article
Sub-type: Article (original research)
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