TITLE

Vectocardiographic "Bites" as Possible Early Findings of Cardiac Involvement in Diabetic Patients Without Clinical Evidence of Heart Disease

AUTHOR(S)
Giampietro, Ottavio; Santoro, Gino; Rossi, Marco; Luche, Alessandro Dalle; Giusti, Costantino; Navalesi, Renzo
PUB. DATE
October 1982
SOURCE
Angiology;Oct1982, Vol. 33 Issue 10, p668
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We performed a standard vectocardiogram (VCG) in 87 diabetics, aged 20-77 years, orally- or insulin-treated, and in 41 normal subjects. None had cardiac history or symptoms. Among diabetics, 31 had no vectocardiographic abnormalities, 23 had various VCG changes, 33 showed electrical "bites'' of various length (6-22 msec) and voltage (0.05-0.3 mV). In 8 normal subjects (19.4%) we found "bites" of similar voltage and length as in diabetic patients. A significantly positive linear relation was found between "bites" length and diabetes duration, in insulin-dependent diabetics only. By step-wise regression analysis we detected, in all diabetic patients with "bites," at a fixed value of diabetes duration, a significantly negative relation between "bites" length and patients' age. Moreover, the insulin treated patients showed a metabolic regulation index significantly worse than orally-treated diabetics; also diabetes duration was significantly higher in insulin-treated subjects. If "bites" may reflect an early heart involvement in diabetes, insulin-dependent patients seem to have a more severe cardiac damage in dependence of the diabetes duration. Finally, in the younger diabetics the heart disease seems to be earlier and more advanced.
ACCESSION #
16400696

 

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