Cardiol Ther. 2012 Dec;1(1):2. doi: 10.1007/s40119-012-0002-z. Epub 2012 Aug 01.
Effect of thermal therapy using hot water bottles on brain natriuretic Peptide in chronic hemodialysis patients.
Cardiology and therapy
Yoko Uchiyama-Tanaka
PMID: 25135156
PMCID: PMC4107443 DOI: 10.1007/s40119-012-0002-z
Abstract
INTRODUCTION: The use of repeated thermal therapy for improving the symptoms of chronic heart failure (CHF) has been recently demonstrated. Usually, thermal therapy requires an infrared dry sauna. However, it is difficult for small clinics to acquire such an expensive and extensive system. The present study assessed the efficacy of its substitution with hot water bottles. Moreover, there are no prior studies demonstrating the efficacy of thermal therapy in hemodialysis patients with CHF.
METHODS: Plasma brain natriuretic peptide (BNP) levels were evaluated in 98 hemodialysis patients in a clinic. Nine patients whose BNP levels were >500 pg/mL agreed to be enrolled in the study and received thermal therapy using hot water bottles.
RESULTS: Plasma BNP levels, a potential marker for CHF, tended to decrease (891 ± 448 to 680 ± 339 pg/mL), but the difference was not significant (P = 0.0845). The oral temperature changed from 36.44 ± 0.45°C to 37.04 ± 0.48°C (+0.597°C, P < 0.0001). No side effects were experienced during the therapy. Moreover, most patients had an improvement in their symptoms and the ability to perform activities of daily living.
CONCLUSION: Thermal therapy using hot water bottles is very safe and tends to reduce plasma BNP levels in hemodialysis patients with CHF.
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