Influencing factors of QTc among the clinical characteristics in type 2 diabetes mellitus

N. K. Subbalakshmi, P. M.R. Adhikari, K. N. Sathyanarayana Rao, P. S. Jeganathan

Research output: Contribution to journalArticle

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Abstract

Aims: Although the clinical implications of prolonged Q-T interval have been described, the clinical determinants of Q-T interval in type 2 diabetes mellitus are not clear. We examined the influencing factors of QTc in type 2 diabetes mellitus. Methods: This study involved 207 patients with type 2 diabetes mellitus and 141 healthy controls. QTc was estimated from resting lead II electrocardiogram. Data analysis was done using unpaired Student's '. t' and Pearson correlation tests. Results: Only female diabetics with somatic neuropathy had longer QTc compared to controls (. p<. 0.01). Only in male diabetics negative correlation was found between QTc and heart rate response to deep breathing (. p<. 0.01). Male and female study subjects with diabetic retinopathy had longer QTc compared to controls (. p<. 0.01, 0.05). Only male diabetics with hypertension had longer QTc compared to controls (. p<. 0.05). Conclusion: QTc prolongation is associated with diabetic neuropathy with sex difference in its manifestation. It is influenced by diabetic retinopathy in male and female diabetics. It is influenced by hypertension in male type 2 diabetics.

Original languageEnglish
Pages (from-to)265-272
Number of pages8
JournalDiabetes Research and Clinical Practice
Volume88
Issue number3
DOIs
Publication statusPublished - 01-06-2010
Externally publishedYes

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Type 2 Diabetes Mellitus
Diabetic Retinopathy
Hypertension
Diabetic Neuropathies
Sex Characteristics
Electrocardiography
Respiration
Heart Rate
Students

All Science Journal Classification (ASJC) codes

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

Cite this

Subbalakshmi, N. K., Adhikari, P. M. R., Sathyanarayana Rao, K. N., & Jeganathan, P. S. (2010). Influencing factors of QTc among the clinical characteristics in type 2 diabetes mellitus. Diabetes Research and Clinical Practice, 88(3), 265-272. https://doi.org/10.1016/j.diabres.2010.03.001
Subbalakshmi, N. K. ; Adhikari, P. M.R. ; Sathyanarayana Rao, K. N. ; Jeganathan, P. S. / Influencing factors of QTc among the clinical characteristics in type 2 diabetes mellitus. In: Diabetes Research and Clinical Practice. 2010 ; Vol. 88, No. 3. pp. 265-272.
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Influencing factors of QTc among the clinical characteristics in type 2 diabetes mellitus. / Subbalakshmi, N. K.; Adhikari, P. M.R.; Sathyanarayana Rao, K. N.; Jeganathan, P. S.

In: Diabetes Research and Clinical Practice, Vol. 88, No. 3, 01.06.2010, p. 265-272.

Research output: Contribution to journalArticle

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AB - Aims: Although the clinical implications of prolonged Q-T interval have been described, the clinical determinants of Q-T interval in type 2 diabetes mellitus are not clear. We examined the influencing factors of QTc in type 2 diabetes mellitus. Methods: This study involved 207 patients with type 2 diabetes mellitus and 141 healthy controls. QTc was estimated from resting lead II electrocardiogram. Data analysis was done using unpaired Student's '. t' and Pearson correlation tests. Results: Only female diabetics with somatic neuropathy had longer QTc compared to controls (. p<. 0.01). Only in male diabetics negative correlation was found between QTc and heart rate response to deep breathing (. p<. 0.01). Male and female study subjects with diabetic retinopathy had longer QTc compared to controls (. p<. 0.01, 0.05). Only male diabetics with hypertension had longer QTc compared to controls (. p<. 0.05). Conclusion: QTc prolongation is associated with diabetic neuropathy with sex difference in its manifestation. It is influenced by diabetic retinopathy in male and female diabetics. It is influenced by hypertension in male type 2 diabetics.

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