Implementing Lean Quality Improvement in Primary Care: Impact on Efficiency in Performing Common Clinical Tasks

Area of Science:

• Healthcare Management
• Process Improvement
• Primary Care

Background:

• Primary care practices increasingly use Lean techniques to optimize workflow efficiency.
• Limited research exists on the long-term effects of Lean on primary care work efficiency.

Purpose of the Study:

• To evaluate the sustained impact of Lean implementation on physician task completion times over three years.
• To assess the effectiveness of Lean redesigns in improving primary care work efficiency.

Main Methods:

• A non-randomized stepped wedge design with segmented regression and interrupted time series analysis was employed.
• Data were collected from 317 physician-led teams across 46 primary care departments over a six-year period (2011-2016).
• Electronic Health Record (EHR) tracking monitored physician time for documentation, telephone resolution, prescription refills, and electronic message response.

Main Results:

• Lean implementation resulted in significant reductions in time for office visit documentation (-29.2%), telephone resolution (-22.2%), and prescription refill renewal (-2.96% monthly).
• These time savings were sustained over the three-year follow-up period.
• No significant change was observed in response times to electronic patient messages.

Conclusions:

• Lean redesigns effectively improved the timely completion of three out of four common clinical tasks in primary care.
• Findings support the use of Lean techniques for enhancing team engagement in routine patient care activities.
• Further research is needed to elucidate the mechanisms driving Lean's impact on quality improvement and care team workflow effectiveness.