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Techniques in Coloproctology

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01-06-2016 | Original Article

Application of objective clinical human reliability analysis (OCHRA) in assessment of technical performance in laparoscopic rectal cancer surgery

Authors: J. D. Foster, D. Miskovic, A. S. Allison, J. A. Conti, J. Ockrim, E. J. Cooper, G. B. Hanna, N. K. Francis

Published in: Techniques in Coloproctology | Issue 6/2016

Abstract

Background

Laparoscopic rectal resection is technically challenging, with outcomes dependent upon technical performance. No robust objective assessment tool exists for laparoscopic rectal resection surgery. This study aimed to investigate the application of the objective clinical human reliability analysis (OCHRA) technique for assessing technical performance of laparoscopic rectal surgery and explore the validity and reliability of this technique.

Methods

Laparoscopic rectal cancer resection operations were described in the format of a hierarchical task analysis. Potential technical errors were defined. The OCHRA technique was used to identify technical errors enacted in videos of twenty consecutive laparoscopic rectal cancer resection operations from a single site. The procedural task, spatial location, and circumstances of all identified errors were logged. Clinical validity was assessed through correlation with clinical outcomes; reliability was assessed by test–retest.

Results

A total of 335 execution errors identified, with a median 15 per operation. More errors were observed during pelvic tasks compared with abdominal tasks (p < 0.001). Within the pelvis, more errors were observed during dissection on the right side than the left (p = 0.03). Test–retest confirmed reliability (r = 0.97, p < 0.001). A significant correlation was observed between error frequency and mesorectal specimen quality (r _s = 0.52, p = 0.02) and with blood loss (r _s = 0.609, p = 0.004).

Conclusions

OCHRA offers a valid and reliable method for evaluating technical performance of laparoscopic rectal surgery.

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Title: Application of objective clinical human reliability analysis (OCHRA) in assessment of technical performance in laparoscopic rectal cancer surgery
Authors: J. D. Foster
D. Miskovic
A. S. Allison
J. A. Conti
J. Ockrim
E. J. Cooper
G. B. Hanna
N. K. Francis
Publication date: 01-06-2016
Publisher: Springer Milan
Published in: Techniques in Coloproctology / Issue 6/2016
Print ISSN: 1123-6337
Electronic ISSN: 1128-045X
DOI: https://doi.org/10.1007/s10151-016-1444-4

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Application of objective clinical human reliability analysis (OCHRA) in assessment of technical performance in laparoscopic rectal cancer surgery

Abstract

Background

Methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background

Methods

Results

Conclusions

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