Resident participation in cadaveric temporal bone dissection correlates with improved performance on a standardized skill assessment instrument

Sarah E. Mowry, Marlan R. Hansen

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

HYPOTHESIS: Increasing numbers of cadaveric temporal bone (CTB) dissection translates to improved scores on a timed microdissection of a CTB. BACKGROUND: Recent literature regarding resident education has focused on virtual learning. However, advocates for virtual temporal bone drilling admit that there is not yet a substitute for drilling a CTB. METHODS: Retrospective review of resident performance on a standardized instrument during a timed microdissection of CTBs. Resident performance on the graded dissection was compared with the number of CTBs drilled during the year. Graded performance was also compared with the total number of CTBs dissected over 4 years of residency. Faculty assessed intraoperative skill of the senior residents. These rankings were compared with the number of CTBs drilled. Comparisons were made using Pearson's and Spearman's correlations. RESULTS: Comparison of test scores from the most recent resident year to the number of CTBs drilled during the corresponding year correlated well (r = 0.41, p = 0.002). The correlation between the score during the highest year of training and the cumulative number of CTB drilled during residency was even stronger (r = 0.604, p = 0.005). Faculty rankings correlated well comparing general surgical skills with TB surgical skills (r = 0.655, p = 0.008). Comparing faculty rankings of TB surgical skill with the number of CTB drilled during the final year of residency yielded a negative correlation (r = -0.8) but was not significant (p = 0.1). CONCLUSION: Greater exposure to CTB dissection correlates with improved scoring on a standardized instrument. Residents who struggle with temporal bone surgery tend to use CTB dissection more than those who are more facile.

Original languageEnglish (US)
Pages (from-to)77-83
Number of pages7
JournalOtology and Neurotology
Volume35
Issue number1
DOIs
StatePublished - Jan 1 2014

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Temporal Bone
Dissection
Internship and Residency
Microdissection
Learning
Education

Keywords

  • Assessment instrument
  • Cadaveric temporal bone
  • Mastoidectomy
  • Resident education

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Sensory Systems
  • Clinical Neurology

Cite this

Resident participation in cadaveric temporal bone dissection correlates with improved performance on a standardized skill assessment instrument. / Mowry, Sarah E.; Hansen, Marlan R.

In: Otology and Neurotology, Vol. 35, No. 1, 01.01.2014, p. 77-83.

Research output: Contribution to journalArticle

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