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Time–motion analysis of operation theater time use during laparoscopic cholecystectomy by surgical specialist residents

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Abstract

Background

Data on man–machine interfaces in the operation theater are essential to the improvement of surgical efficiency. This study analyzed the activity of the operating team during laparoscopic cholecystectomy by surgical trainees.

Methods

The endoscopic image and overview of the operating room were recorded during 20 laparoscopic cholecystectomies performed by specialist residents. Time–motion analysis of the recorded tapes was performed.

Results

The median (interquartile range [IQR]) for theater time was 134 ± min (IQR, 52 min). The components of operative time for the surgeon were 26% for insertion of access ports and wound closure, 57% for intracorporeal endoscopic work, and 17% for instrument change. Only 52% of the scrub nurse time was related to the operation. Machine and video setup, adjustment of ancillary equipment together, and delivery of instruments and items requested by the surgeon and scrub nurse accounted for 13% of the circulating nurse time.

Conclusions

With the current nonergonomic theater design and structure, a significant proportion of theater time during routine uncomplicated laparoscopic surgery is used for nonoperative functions. The study highlights the need for improved ergonomic design, integrated bus operating systems under the control of the surgeon, and multifunctional laparoscopic instruments.

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Acknowledgments

The authors thank David Smith, consultant surgeon for recruiting his patients in the study, and the nursing staff in theater 6 for their cooperation.

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Authors and Affiliations

  1. Department of Surgery and Technology, St. Mary's Hospital, Imperial College, London, UK

    M. H. Geryane & G. B. Hanna

  2. Surgical Skills Unit, Ninewells Hospital and Medical School, University of Dundee, Dundee, Scotland, DD1 9SY, UK

    A. Cuschieri

Authors
  1. M. H. Geryane
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  2. G. B. Hanna
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  3. A. Cuschieri
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Corresponding author

Correspondence to A. Cuschieri.

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Geryane, M.H., Hanna, G.B. & Cuschieri, A. Time–motion analysis of operation theater time use during laparoscopic cholecystectomy by surgical specialist residents. Surg Endosc 18, 1597–1600 (2004). https://doi.org/10.1007/s00464-003-8210-1

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  • DOI: https://doi.org/10.1007/s00464-003-8210-1

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