Metabolic Risk Markers in Insulin Resistance and Non-Insulin Resistance Type 2 Diabetes Mellitus| Stephy Publishers
SOJ Diabetes and Endocrinology Care - (SOJDEC)| Stephy Publishers
Abstract
Aim: Type 2 diabetes
mellitus (T2DM) is the most common metabolic disorder and its pathogenesis is
characterized by a combination of peripheral insulin resistance and impaired
insulin secretary capacity of pancreatic β cell. Over the years, there has been
increasing deaths from T2DM. In Myanmar, there is little information on its
causes, due to few published data on the prevalence of MS and its association
with T2DM. This study aims at identifying the metabolic risk markers leading to
MS in T2DM, as well as the impact of MS on the insulin resistance. Methods:
Hundred T2DM patients were recruited from Diabetic Clinic, Yangon General
Hospital. The clinical evaluation consisted of waist circumference, blood
pressure, height and weight measurements; the biochemical analysis included
determination of fasting plasma glucose, serum insulin and fasting lipid
profile. Plasma glucose level was determined by the glucose oxidase method and
fasting serum insulin was measured by enzyme linked immunoassay (ELISA) kit
method. Insulin resistance (HOMA IR) was calculated using formula by Matthews
et al in 1985. Metabolic syndrome was defined as International Diabetes
Federation (IDF) criteria. Results: In the present study, MS was not
significantly associated with insulin resistance (84.72% in the insulin
resistance group vs 75% in the non-insulin resistance group). There were no
significant differences in metabolic risk markers between the insulin
resistance and non- insulin resistance groups. Present study showed 80% of
insulin resistance male patients and 85% of insulin resistance female patients
had MS, and also 83% of non-insulin resistance male patients and that of female
patients had 64% of MS, respectively. There was no significant association
between each group. Conclusion: Metabolic syndrome was found in 83 patients in
the present study, and of which 61 patients were found to show insulin
resistance. Metabolic syndrome was not significantly associated with presence
or absence of insulin resistance.
Keywords: Insulin resistance, Metabolic
syndrome, Metabolic risk markers, Type 2 diabetes mellitus
Introduction
Obesity, in particular excess visceral adiposity, is associated with insulin
resistance (IR), hyperglycaemia, dyslipidaemia and hypertension, which together
are termed “metabolic syndrome” (MS). These metabolic disorders increase the
risk of development of type 2 diabetes mellitus (T2DM) and cardiovascular
diseases and contribute to high rates of mortality and morbidity.1 Insulin resistance-linked
obesity is caused by poor dieting and lack of regular exercise. Other genetic
or lifestyle risk factors lead to the MS.
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