Exploring the relation between process design and efficiency in high-volume cataract pathways from a lean thinking perspective
Vliet, Ellen J. van and Bredenhoff, Eelco and Sermeus, Walter and Kop, Lucas M. and Sol, Johannes C.A. and Harten, Wim H. van (2011) Exploring the relation between process design and efficiency in high-volume cataract pathways from a lean thinking perspective. International Journal for Quality in Health Care, 23 (1). pp. 83-93. ISSN 1353-4505
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To compare process designs of three high-volume cataract pathways in a lean thinking framework and to explore how efficiency in terms of lead times, hospital visits and costs is related to process design.
International retrospective comparative benchmark study with a mixed-method design.
Three eye hospitals in the UK, the USA and the Netherlands participated in this study. All are major international tertiary care and training centres in ophthalmology.
Data on all patients who underwent first eye cataract surgery in 2006 were used.
The study related six operational aspects of lean thinking in the process design to efficiency.
Measures of lean aspects were operational focus, autonomous work cell, physical lay-out of resources, multi-skilled team, pull planning and elimination of wastes. Efficiency was measured with lead times (access time plus waiting time for surgery), hospital visits and direct costs.
Operational focus was influenced by external circumstances leading to different orientations on efficiency. Pull planning with integrating activities in one-stop procedures conducted by multi-skilled nurses as well as eliminating wastes reduced both the number of hospital visits and costs. Short lead times were associated with the use of a general outpatient clinic and a high-volume cataract surgery clinic.
The environmental context and operational focus primarily influenced process design of the cataract pathways. When pressed to further optimize their processes, hospitals can use these systematic benchmarking data to decrease the frequency of hospital visits, lead times and costs.
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Faculty of Behavioural, Management and Social sciences (BMS)
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