The DOI matches its Crossref record; 18 of the 18 references it cites were found in a registry or an index.
Carvedilol Decreases Elevated Oxidative Stress in Human Failing Myocardium
Abstract
Background — Oxidative stress has been implicated in the pathogenesis of heart failure. However, direct evidence of oxidative stress generation in the human failing myocardium has not been obtained. Furthermore, the effect of carvedilol, a vasodilating β-blocker with antioxidant activity, on oxidative stress in human failing hearts has not been assessed. This study was therefore designed to determine whether levels of lipid peroxides are elevated in myocardia of patients with dilated cardiomyopathy (DCM) and whether carvedilol reduces the lipid peroxidation level. Methods and Results — Endomyocardial biopsy samples obtained from 23 patients with DCM and 13 control subjects with normal cardiac function were studied immunohistochemically for the expression of 4-hydroxy-2-nonenal (HNE)-modified protein, which is a major lipid peroxidation product. Expression of HNE-modified protein was found in all myocardial biopsy samples from patients with DCM. Expression was distinct in the cytosol of cardiac myocytes. Myocardial HNE-modified protein levels in patients with DCM were significantly increased compared with the levels in control subjects ( P <0.0001). Endomyocardial biopsy samples from 11 patients with DCM were examined before and after treatment (mean, 9±4 months) with carvedilol (5 to 30 mg/d; mean dosage, 22±8 mg/d). After treatment with carvedilol, myocardial HNE-modified protein levels decreased by 40% ( P <0.005) along with amelioration of heart failure. Conclusions — Oxidative stress is elevated in myocardia of patients with heart failure. Administration of carvedilol resulted in a decrease in the oxidative stress level together with amelioration of cardiac function.
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Cites
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Cited by
Targeting Aldehyde Dehydrogenase 2: New Therapeutic Opportunities
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Endothelial Dysfunction, Arterial Stiffness, and Heart Failure
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Cancer Therapy–Induced Cardiotoxicity: Basic Mechanisms and Potential Cardioprotective Therapies
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Metadata
- Authors
- Nakamura, K., Kusano, K., Nakamura, Y., Kakishita, M., Ohta, K., Nagase, S., Yamamoto, M., Miyaji, K., Saito, H., Morita, H., Emori, T., Matsubara, H., Toyokuni, S., & Ohe, T.
- Venue
- Circulation
- Published
- 2002-06-18
- Volume
- 105
- Issue
- 24
- Pages
- 2867-2871
- ISSN
- 0009-7322 (ISSN-L)
- 1524-4539
- OpenAlex
- W1550287245
- Cited by
- 291
- References
- 18
- FWCI
- 10.84
- Type
- journal article
- Language
- en
- Open access
- closed
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- Nakamura, K., Kusano, K., Nakamura, Y., Kakishita, M., Ohta, K., Nagase, S., Yamamoto, M., Miyaji, K., Saito, H., Morita, H., Emori, T., Matsubara, H., Toyokuni, S., & Ohe, T. (2002). Carvedilol Decreases Elevated Oxidative Stress in Human Failing Myocardium. Circulation. https://doi.org/10.1161/01.cir.0000018605.14470.dd
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