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DOI: 10.1055/s-2006-925389
Pre-diabetes and Metabolic Syndrome in Germans
Publikationsverlauf
Received 2 February 2006
Accepted after revision 2 February 2006
Publikationsdatum:
23. Mai 2006 (online)
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There has been an ongoing discussion as to which clinical condition can be described as ”prediabetes” or as ”metabolic syndrome” [1]. Both conditions are known to have the same risk factors, but the association between the two conditions remains unclear [2].
We were able to confirm the findings of Kanauchi et al. [3] for the German population. Oral glucose tolerance tests were performed in 686 persons (53.8 ± 7.9 years) at increased risk for diabetes mellitus. Three hundred and forty-six were diagnosed with normal glucose tolerance (NGT), 252 with prediabetes and 88 with type 2 diabetes (T2D). 16.8 % of the participants in the NGT group had the metabolic syndrome, 50.3 % in the prediabetes group and 64.7 % in the T2D group according to ATPIII criteria. The best metabolic syndrome parameters for predicting prediabetes were fasting glucose OR = 5,43 (2.04 - 13.1), p < 0.001, waist circumference OR = 2.30 (1.16 - 3.30), p < 0.001 and triglycerides OR = 2.38 (1.77 - 3.77), p = 0.01. Blood pressure as well as HDL did not show a significant association with the prediction of prediabetes maybe due to age dependency [4]. Insulin resistance was significantly higher in persons with prediabetes (p < 0.001). Furthermore, utilization of free fatty acids (represented as area under the curve for free fatty acids) was significantly higher in prediabetic persons (p < 0.001).
We therefore conclude that prediabetes and the metabolic syndrome often coexist also in the German Caucasian population. Visceral obesity and insulin resistance are major underlying parameters [5]. To prevent the metabolic syndrome and prediabetes, these risk factors should be diagnosed and treated early. Waist circumference representing visceral obesity is an easy screening and follow-up parameter.
References
- 1 Schriger D L, Lorber B. Lowering the cut point for impaired fasting glucose: where is the evidence? Where is the logic?. Diabetes Care. 2004; 27 592-601
- 2 Kahn R. et al . The metabolic syndrome: time for a critical appraisal. Joint statement from the American Diabetes Association and the European Association for the Study of Diabetes. Diabetologia. 2005; 48 1684-1699
- 3 Kanauchi M. et al . New ”pre-diabetes” category and the metabolic syndrome in Japanese. Horm Metab Res. 2005; 37 622-626
- 4 Schutte A E, O'Dea K, Schwarz P E. Could statistical adjustments for age mask the insulin-blood pressure relationship?. Diabetes Res Clin Pract. 2006; 72 104-107
- 5 Haffner S M. et al . Decreased insulin secretion and increased insulin resistance are independently related to the 7-year risk of NIDDM in Mexican-Americans. Diabetes. 1995; 44 1386-1391
Dr. med. Peter Schwarz
Technical University Dresden · Medical Clinic III · Department of Endocrinopathies and Metabolic Diseases · House 10 · Room 108
Fetscherstr. 74 · 01307 Dresden · Germany ·
Telefon: +49 (351) 458 27 15 or 31 73
Fax: +49 (351) 458 87 03
eMail: pschwarz@rcs.urz.tu-dresden.de