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. 1
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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