Ergonomic Analysis of Functional Endoscopic Sinus Surgery Using Novel Inertial Sensors

Annie E. Arrighi-Allisan, Katherine L. Garvey, Anni Wong, Peter Filip, Janki Shah, Todd Spock, Anthony Del Signore, Maura K. Cosetti, Satish Govindaraj, Alfred Marc Iloreta

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Objectives/Hypothesis: Suboptimal ergonomics during endoscopic sinus surgery can lead to considerable physical discomfort and fatigue for the surgeon. The purpose of this pilot study is to objectively evaluate the ergonomic positions of trainee and attending surgeons while performing functional endoscopic sinus surgery (FESS). Study Design: Pilot prospective trial. Methods: Six surgeons (two attendings and four trainees) performed FESS while wearing 11 inertial measurement units (IMUs) affixed to either side of each major joint. Screen placement was standardized to be 1 m directly in front of the surgeon and on the patient's left, 0–15° declined from the surgeons' eyes. Bed height was standardized such that the workspace was 0 to 10 cm below the elbows. IMU data were analyzed to calculate joint angles. Ideal joint angles (i.e., <10° for neck and trunk) were determined by the validated Rapid Entire Body Assessment tool. Subjects subsequently completed a modified National Aeronautics and Space Administration Task Load Index to assess cognitive and physical burden and pain. Student's t-test was employed to detect differences between groups. Results: Trainees adopted positions involving significantly greater neck flexion (9.90° vs. −6.48°, P =.03) and reported significantly higher frustration levels (3.04 vs. 1.33, P =.02) while operating than attendings. For both cohorts, increased operative time was significantly correlated with greater back flexion (r = 0.90, P =.02; r = 0.55, P =.04, respectively). Conclusions: Our data suggest that trainees operate with higher risk neck postures than do attendings. These data indicate high-risk operative postures may be borne of inexperience and present an opportunity for postural interventions at an early stage of training. Level of Evidence: NA Laryngoscope, 132:1153–1159, 2022.

Original languageEnglish
Pages (from-to)1153-1159
Number of pages7
JournalLaryngoscope
Volume132
Issue number6
DOIs
StatePublished - Jun 2022

Keywords

  • FESS
  • Posture
  • ergonomics
  • physician health
  • rhinology

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