Cardiac parasympathetic function in different class interval of age in type 2 diabetes mellitus

N. K. Subbalakshmi, Prabha Adhikari, Shilpa N. Bijoor, K. N. Sathyanarayana Rao

Research output: Contribution to journalArticle

Abstract

Reduced sinus arrhythmia indicates diabetic autonomic neuropathy. Amplitude of respiratory sinus arrhythmia declines with aging. But no studies found on sinus arrhythmia in relation to different class interval of age in diabetes. To compare the Expiratory: Inspiratory ratio of patients with diabetes in different class interval of age with controls. In 207 patients with diabetes mellitus and 392 controls, expiratory: inspiratory ratio was obtained while breathing at 6 respiratory cycles per minute connected to limb lead II of electrocardiogram. Study and control subjects were divided into 5 subgroups with 10 years class interval (CI) as follows: CI 1: ≤ 40; CI 2: 41-50; CI 3: 51- 60; CI 4: 61-70 and CI 5: 71-80 years. In study subjects frequency of diabetes related complications in different class interval of age was noted. Statistical analysis included unpaired t, Mann-Whitney U, Chi-square, Kruskal -Wallis, and Dunn's Multiple Comparisons tests. Statistical significance was considered at p < 0.05. Expiratory: Inspiratory ratio was lower in study subjects in CI 2, 3, 4 and 5 compared to corresponding controls (p < 0.001). There was no difference in Expiratory: Inspiratory ratio between study subjects and controls in CI 1. In study group frequency of hypertension, stable angina and somatic neuropathy was higher with aging (p < 0.0001). Expiratory: Inspiratory ratio is lower in patients with diabetes mellitus after 40 years of age. Somatic neuropathy, hypertension and stable angina increases with aging.

Original languageEnglish
Pages (from-to)2237-2241
Number of pages5
JournalResearch Journal of Pharmaceutical, Biological and Chemical Sciences
Volume7
Issue number5
Publication statusPublished - 01-09-2016
Externally publishedYes

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Medical problems
Type 2 Diabetes Mellitus
Sinus Arrhythmia
Stable Angina
Diabetes Mellitus
Aging of materials
Hypertension
Diabetic Neuropathies
Diabetes Complications
Electrocardiography
Respiration
Extremities
Statistical methods

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Pharmacology, Toxicology and Pharmaceutics(all)

Cite this

Subbalakshmi, N. K. ; Adhikari, Prabha ; Bijoor, Shilpa N. ; Sathyanarayana Rao, K. N. / Cardiac parasympathetic function in different class interval of age in type 2 diabetes mellitus. In: Research Journal of Pharmaceutical, Biological and Chemical Sciences. 2016 ; Vol. 7, No. 5. pp. 2237-2241.
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Cardiac parasympathetic function in different class interval of age in type 2 diabetes mellitus. / Subbalakshmi, N. K.; Adhikari, Prabha; Bijoor, Shilpa N.; Sathyanarayana Rao, K. N.

In: Research Journal of Pharmaceutical, Biological and Chemical Sciences, Vol. 7, No. 5, 01.09.2016, p. 2237-2241.

Research output: Contribution to journalArticle

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