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      Parasympathetic Tone Affects Electrocardiographic Preconditioning during Right Coronary Angioplasty

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          We investigated whether parasympathetic tone may affect ischemic preconditioning in terms of ST segment alteration during coronary angioplasty. Coronary balloon angioplasty was performed in 19 patients with angina and isolated right coronary artery disease. Parasympathetic tone was assessed by frequency domain parameters of heart rate variability using 24-hour electrocardiographic recordings obtained before angioplasty. Logistic regression analysis showed the high frequency component to be an independent predictor of the change in ST elevation induced by the second balloon inflation. An increase in parasympathetic tone was related to ischemic preconditioning with respect to the electrocardiographic alterations observed in these patients.

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          Author and article information

          S. Karger AG
          October 1998
          28 October 1998
          : 90
          : 2
          : 122-126
          Departments of Internal Medicine, a Fukuoka University School of Medicine, Fukuoka, b Karatsu Red Cross Hospital, Karatsu, Japan
          6830 Cardiology 1998;90:122–126
          © 1998 S. Karger AG, Basel

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          Page count
          Figures: 2, Tables: 3, References: 18, Pages: 5
          Catheterization and Interventional Cardiology


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