Aims/IntroductionThe aim of the present study was to determine the effect of moderate aerobic exercise on cardiac autonomic function in type 2 diabetic patients.Materials and MethodsHeart rate variability of 20 patients with type 2 diabetes was assessed. Resting electrocardiogram for the heart rate variability analysis at spontaneous respiration was recorded for 5 min in the supine position before and after 6 months of supervised aerobic training given three times per week.ResultsIn time domain measures, the square root of the mean of the sum of the squares of differences between adjacent R-R intervals (RMSSD; 29.7 [26–34.5] vs 46.4 [29.8–52.2] ms, P = 0.023) and the percentage of consecutive RR intervals that differ by more than 50 ms (pNN50; 10.7 [5.5–12.7] vs 26.1 [6.6–37.2]%, P = 0.025] were significantly increased after exercise. In frequency domain measures, low frequency (62.4 [59.1–79.2] vs 37 [31.3–43.3] nu, P = 0.003) and low frequency/high frequency (1.67 [1.44–3.8] vs 0.58 [0.46–0.59]%, P = 0.009) were significantly decreased, whereas high frequency (95 [67–149] vs 229 [98–427] ms2, P = 0.006) and high frequency (37.6 [20.8–40.9] vs 63 [56.7–68.7] normalized units, P = 0.003) were significantly increased after exercise. In a Poincaré plot, standard deviation perpendicular to the line of the Poincaré plot (SD1; 21.3 [18.5–24.8]–33.1 [21.5–37.2] ms, P = 0.027) was significantly increased after exercise.ConclusionsThese data suggest that three times per week moderate intensity aerobic exercise for 6 months improves cardiac rhythm regulation as measured by heart rate variability in type 2 diabetic patients.
This study suggests that thrice-a-week moderate intensity aerobic exercise for six months improves cardiac rhythm regulation as measured by HRV in obese adults with type 2 diabetes.
BackgroundType-2 diabetes mellitus is an independent risk factor for coronary artery disease and risk of coronary disease is three to four fold increased in patients with diabetes compared with non-diabetic population and 60-80% 0f type-2 diabetics are obese.
MethodsThis study was conducted in Nepalgunj Teaching Hospital, Kohalpur, Banke, Nepal, between 1st March, 2011 and 28th February, 2012. A total of 150 samples were taken to assess the lipid profile in type-2 diabetic patients associated with obesity and 25 obese controls for their lipid profile. Venous blood samples were taken from all the subjects in the morning after fasting overnight. Exclusion criteria included pregnancy, chronic infectious disease, heart failure; renal failure and drug allergy were confirmed from the subject's personal physician report and a detailed history. The data was analyzed using Excel 2003, R 2.8.0 Statistical Package for the Social Sciences (SPSS) for Windows Version 16.0 (SPSS Inc; Chicago, IL, USA) and the EPI Info 3.5.1 Windows Version.
ResultsThe mean ± SD age of diabetic patients with obesity was 53.76 ± 6.23 while the mean ± SD age of control was 49.61 ± 4.8. Out of 150 patients 105 (70%) were males and 45 (30%) were females. Among control subjects 16 (64%) were males and 9 (36%) were females. Obese type-2 diabetic patients when compared to obese control subjects showed statistically significant increase in the levels of serum total cholesterol (p ˂ 0.001), serum triglycerides (p ˂ 0.001), serum LDL-cholesterol (p ˂ 0.001) while serum HDL-cholesterol levels did not show statistically significant difference in the two group (p ˃ 0.05).
ConclusionThis study showed obese diabetic individuals have dyslipidemia and more prone to develop cardiovascular diseases.
Background: Subclinical hypothyroidism itself is associated with serious complications and also there is a known risk of subclinical hypothyroidism patients getting converted into overt disease. Objectives: The objective of the present study was to fi nd out the prevalence of subclinical hypothyroidism in the suspected cases i.e. amongst the cases attending the thyroid laboratory at B.P. Koirala Institute of Health Sciences, Dharan, Nepal. Materials and methods: It was a retrospective cross sectional study. Data of the free T 3 , free T 4 and TSH estimations of the year 2007 of the Thyroid lab at BPKIHS, Dharan, Nepal was analyzed. ELISA based free T 3 , free T 4 and TSH tests in the serum had been performed in all the cases. Results: Total cases were 1714 including 24.446% males and 75.554% females. Cases with raised TSH levels were 26.021%, cases with normal TSH levels were 54.66% and cases with low TSH levels were 19.316%. Total 350 cases (20.42 %) had subclinical hypothyroid dysfunction which includes 84 (4.901 %) males and 266 (15.519%) females. And the maximum percentage of cases in either gender was between the age groups 20 -59 years.
Conclusion:The prevalence of subclinical thyroid hypothyroidism amongst the suspected cases was 20.42 % which is much higher compared to the other parts of the world. The highest percentage was found in the female age group 20 -59 years. The routine screening of the whole population is not cost effective and on the basis of the present study it is suggested that there may be routine screening of the selected populations, especially women between 20 to 59 years of age in Nepal region. The preferred screening method advised is a sensitive ELISA based TSH test.
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