Lean Management in Academic Surgery - 23/05/12
, Andrew G. Shuman, MD a, Sandra Feiner, RN c, Amy K. McGonegal, RN c, Natalie Heidel, BS c, Mary Duck, BS c, Scott A. McLean, MD a, John E. Billi, MD c, David W. Healy, MD, MRCP, FRCA b, Carol R. Bradford, MD, FACS a
Correspondence address: Ryan M Collar, MD, Department of Otolaryngology-Head and Neck Surgery, University of Michigan Medical School, 1904 Taubman Center, 1500 E Medical Center Dr, Ann Arbor MI 48109Résumé |
Background |
Lean is a management system designed to enhance productivity by eliminating waste. Surgical practice offers many opportunities for improving efficiency. Our objective was to determine whether systematic implementation of lean thinking in an academic otolaryngology operating room improves efficiency and profitability and preserves team morale and educational opportunities.
Study Design |
In an 18-month prospective quasi-experimental study, a multidisciplinary task force systematically implemented lean thinking within an otolaryngology operating room of an academic health system. Operating room turnover time and turnaround time were measured during a baseline period; an observer-effect period in which workers were made aware that their efficiency was being measured but before implementing lean changes; and an intervention period after redesign principles had been used. The impact on teamwork, morale, and surgical resident education were measured during the baseline and intervention periods through validated surveys. A profit model was applied to estimate the financial implications of the study.
Results |
There was no difference between the baseline and observer-effect periods of the study for turnover time (p = 0.98) or turnaround time (p = 0.20). During the intervention period, the mean turnover time and turnaround time were significantly shorter than during the baseline period (29 vs 38 minutes; p < 0.001 and 69 vs 89 minutes; p < 0.001, respectively). The composite morale score suggested improved morale after implementation (p = 0.011). Educational metrics were unchanged before and after implementation. The annual opportunity revenue for the involved operating room is $330,000; when extrapolated throughout the operating rooms, lean thinking could create 6,500 hours of capacity annually.
Conclusions |
Application of lean management techniques to a single operating room and surgical service improved operating room efficiency and morale, sustained resident education, and can provide considerable financial gains when scaled to an entire academic surgical suite.
Le texte complet de cet article est disponible en PDF.Abbreviations and Acronyms : OR, SAQ, TAT, TOT
Plan
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Vol 214 - N° 6
P. 928-936 - juin 2012 Retour au numéro
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