QJM Advance Access originally published online on March 19, 2008
QJM 2008 101(6):487-491; doi:10.1093/qjmed/hcn034
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Diagnosing metabolic syndrome in type 2 diabetes: does it matter?
From the 1Diabetes Centre, Northern General Hospital and 2Diabetes Centre, Royal Hallamshire Hospital, Sheffield, UK
Address correspondence to Dr Soon H Song, Diabetes Centre, Northern General Hospital, Herries Road, Sheffield S5 7AU, UK. email: soon_song{at}hotmail.com
Received 28 October 2007 and in revised form 18 February 2008
| Abstract |
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Background: Metabolic syndrome (MetS) is used as a clinical tool to identify individuals at risk of cardiovascular disease (CVD) but its clinical value in the management of type 2 diabetes mellitus (T2DM) remains uncertain.
Aim: To determine the prevalence and clinical usefulness of MetS among patients with T2DM attending diabetes clinics in a large teaching hospital.
Design: Prospective observational study.
Methods: Prevalence of MetS was determined by using International Diabetes Federation (IDF) and National Cholesterol Education Program Adult Treatment Panel III (NCEP-ATPIII) definitions in relation to age, sex, diabetes duration and history of CVD.
Results: A total of 390 patients were included in this study. Both IDF and NCEP-ATPIII definitions identified high prevalence of MetS in male and female patients (IDF: male vs. female, 91.7 vs. 94.8% and NCEP-ATPIII: male vs. female, 87.6 vs. 94.2%) regardless of age (below vs. above 40 yrs,
70–75 vs.
90–95% with both definitions), diabetes duration (below vs. above 5 yrs,
85–90 vs. 90–95% with both definitions) and history of CVD (without vs. with CVD,
90 vs.
95% with both definitions). Central obesity was common reflected by mean waist circumference of
113 cm regardless of age and gender. Among those who did not have IDF-defined MetS,
60% had at least two CVD risk factors. Both definitions similarly classified
94% of the patients as either having or not having MetS.
Discussion: Both definitions can be used interchangeably to diagnose MetS. However, the clinical usefulness of MetS is debatable given the very high prevalence of this condition in T2DM.
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