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- Title
Signal-averaged Electrocardiogram in Patients with Insulin-dependent (Type 1) Diabetes Mellitus With and Without Diabetic Neuropathy.
- Authors
Grossmann, G.; Schwentikowski, M.; Keck, F.S.; Höher, M.; Steinbach, G.; Osterhues, H.; Hombach, V.
- Abstract
The purpose of this study was to investigate the presence of ventricular late potentials derived from signal-averaged ECG in patients with IDDM with and without diabetic neuropathy. Eighty patients with IDDM but without evidence of cardiac disease and 80 age-matched healthy control subjects were investigated. The corrected QT interval was measured from the standard surface electrocardiogram. Ventricular late potentials were derived from signal-averaged electrocardiogram. Out of the 80 diabetic patients, 20 had an autonomic neuropathy, 20 had an isolated peripheral neuropathy, and 40 had no symptoms of neuropathy. The corrected QT interval was significantly prolonged in patients with an autonomic neuropathy as compared with the control group (436 ± 23 ms.5 vs 384 ± 23 ms.5, p < 0.001). In the other patient groups there was no significant prolongation of the corrected QT interval. Ventricular late potentials were present in 3 diabetic patients with an isolated peripheral neuropathy and in 1 control subject (NS). No diabetic patient with an autonomic neuropathy had ventricular late potentials. Our data did not indicate an increased incidence of ventricular late potentials derived from signal-averaged electrocardiogram in diabetic patients independent of a coexisting diabetic neuropathy or a prolonged corrected QT interval. © 1997 by John Wiley & Sons, Ltd.
- Publication
Diabetic Medicine, 1997, Vol 14, Issue 5, p364
- ISSN
0742-3071
- Publication type
Article
- DOI
10.1002/(SICI)1096-9136(199705)14:5<364::AID-DIA359>3.0.CO;2-S