Learning Health Systems (LHS)

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In 2007, the Washington-based Institute of Medicine (IOM), a nonprofit, nongovernmental organization that is part of the National Academies of Science, released a book-length report titled The Learning Healthcare System (LHS)[1]. This report was the first of a series of dozen reports from IOM’s Roundtable on Evidence-Based Medicine, now the Roundtable on Value & Science-Driven Health Care. This report envisioned the creation of LHS by integrating two disparate fields, clinical research and clinical medicine. The report defined LHS as:

A learning healthcare system is [one that] is designed to generate and apply the best evidence for the collaborative healthcare choices of each patient and provider; to drive the process of discovery as a natural outgrowth of patient care; and to ensure innovation, quality, safety, and value in health care [1].

Part of the reason for envisioning such a system was that clinical decision making based on clinical practice guidelines were not adequately supported by high quality evidence [2]. Evidence generated by randomized clinical trials are considered as gold standards, but most often they are not generalizable due to rigid inclusion criteria. Moreover, such trials are costly and time consuming. An interconnected system of Electronic Health Records (EHR's) and databases with the ability to share data and generate insight using analytics and modern methods in information technology would provide better evidence to guide the decisions made by health systems, care providers, and patients and their families.

References:

1.Institute of Medicine. The Learning Healthcare System: Workshop Summary. Olsen L, Aisner D, McGinnis JM, eds. Washington, DC: National Academies Press; 2007. Available at: http://www.iom.edu/Reports/2007/The-Learning-Healthcare-System-Workshop-Summary.aspx. Accessed April 4, 2014.

2.Tricoci P, Allen JM, Kramer JM, et al. Scientific evidence underlying the ACC/AHA clinical practice guidelines. JAMA 2009;301:831–841. PMID: 19244190. doi: 10.1001/jama.2009.205.

Submitted by Meenakshi Mishra