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עמוד בית
Sat, 07.12.24

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June 2006
M.A. Abdul-Ghani, G. Nawaf, G. Fawaz, B. Itzhak, O. Minuchin and P. Vardi
 Background: Microvascular complications of diabetes contribute significantly to the disease morbidity. The metabolic syndrome is very common among subjects with diabetes and is a very important risk factor for macrovascular complications. However, its contribution to the microvascular complication has not been assessed.

Objectives: To assess the risk of microvascular complications associated with the metabolic syndrome in diabetes subjects.

Methods: The study group comprised 415 diabetic subjects attending a primary care clinic. The prevalence of microvascular complications was compared between 270 diabetic subjects with metabolic syndrome (NCEP-III criteria) and 145 diabetic patients without.

Results: We found that as a group, diabetic subjects with metabolic syndrome had significantly higher frequency of microvascular-related complications than diabetic subjects without the syndrome (46.6% and 26.8% respectively, P = 0.0005). These include microalbuminuria (41.5% vs. 23.9%, P = 0.013), neuropathy (10.4% vs. 7.5%, P = 0.38), retinopathy (9.6% vs. 4.1%, P = 0.046) and leg ulcers (7.9% vs. 2.8%, P = 0.044). After adjustment for age, gender, glycemic control, disease duration, lipid profile and blood pressure, metabolic syndrome was associated with a significantly higher risk of microvascular complications: odds ratio (95% confidence interval) for nephropathy 2.27 (1.53–3.34), neuropathy 1.77 (0.79–4.0), retinopathy 3.42 (1.2–9.87), and leg ulcers 3.57 (1.08–11.95).

Conclusions: In addition to hyperglycemia and disease duration, the metabolic syndrome is a significant risk factor for the development of microvascular complications in diabetic subjects.

March 2005
M.A. Abdul-Ghani, M. Sabbah, B. Muati, N. Dakwar, H. Kashkosh, O. Minuchin, P. Vardi, I. Raz, for the Israeli Diabetes Research Group
 Background: Increased insulin resistance, which is associated with obesity, is believed to underlie the development of metabolic syndrome. It is also known to increase the risk for the development of glucose intolerance and type 2 diabetes. Both conditions are recognized as causing a high rate of cardiovascular morbidity and mortality.

Objectives: To assess the prevalence of metabolic syndrome and different glucose intolerance states in healthy, overweight Arab individuals attending a primary healthcare clinic in Israel.

Methods: We randomly recruited 95 subjects attending a primary healthcare clinic who were healthy, overweight (body mass index >27) and above the age of 40. Medical and family history was obtained and anthropometric parameters measured. Blood chemistry and oral glucose tolerance test were performed after overnight fasting.

Results: Twenty-seven percent of the subjects tested had undiagnosed type 2 diabetes according to WHO criteria, 42% had impaired fasting glucose and/or impaired glucose tolerance and only 31% had a normal OGTT[1]. Metabolic syndrome was found in 48% according to criteria of the U.S. National Cholesterol Education Program, with direct correlation of this condition with BMI[2] and insulin resistance calculated by homeostasis model assessment. Subjects with metabolic syndrome had a higher risk for abnormality in glucose metabolism, and the more metabolic syndrome components the subject had the higher was the risk for abnormal glucose metabolism. Metabolic syndrome predicted the result of OGTT with 0.67 sensitivity and 0.78 specificity. When combined with IFG[3], sensitivity was 0.83 and specificity 0.86 for predicting the OGTT result.

Conclusions: According to our initial evaluation approximately 70% of the overweight Arab population in Israel has either metabolic syndrome or abnormal glucose metabolism, indicating that they are at high risk to develop type 2 diabetes and cardiovascular morbidity and mortality. This population is likely to benefit from an intervention program.

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[1] OGTT = oral glucose tolerance test

[2] BMI = body mass index

[3] IFG = impaired fasting glucose
 

May 2004
M.A. Abdul-Ghani, M. Sabah, O. Minuchin, P. Vardi, I. Raz and J. Wainstein
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