Published 5 March 2009, doi:10.1136/bmj.b800
Cite this as: BMJ 2009;338:b800
Editorials
Tight control of blood glucose in long standing type 2 diabetes
Reducing glycated haemoglobin below 7% is not supported by evidence and may even be harmful
| The first 150 words of the full text of this article appear below. |
During the past year, three important studies have provided evidence that tighter glycaemic control (to <7% glycated haemoglobin) in older adults with type 2 diabetes does not provide substantial benefit and may increase the risk of adverse outcomes. These findings, which some experts and policy makers found surprising, should lead to the re-evaluation of recommendations about what constitutes high quality care for these patients.
The management of type 2 diabetes in the United Kingdom takes place largely in primary care and is strongly influenced by the requirements of the quality and outcomes framework (QOF)—an annual reward and incentive programme, which although voluntary provides a substantial proportion of general practitioners income. From April 2009, general practitioners in the UK will need to reduce glycated haemoglobin in half of their patients with type 2 diabetes to below 7% to earn the same amount that they are currently paid for achieving a target . . . [Full text of this article]
Richard Lehman, general practitioner1,
Harlan M Krumholz, Harold H Hines Junior professor of medicine and epidemiology and public health2
1 Hightown Surgery, Banbury OX16 9DB,
2 Section of Cardiovascular Medicine and Robert Wood Johnson Clinical Scholars Program, Department of Medicine, Section of Health Policy and Administration, School of Public Health, Yale University School of Medicine, PO Box 208088, New Haven, CT 06520-8088, USA

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