Low-Frequency Electrical Stimulation Increases Muscle Strength and Improves Blood Supply in Patients With Chronic Heart Failure
| Autor: | Jean Christophe Eicher, Petr Dobšák, Jean Eric Wolf, Tomoyuki Yambe, Kou Imachi, Jiří Vítovec, Jarmila Siegelová, Makoto Nagasaka, Bohumil Fišer, Marie Nováková, Masahiro Kohzuki, Shin-ichi Nitta |
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| Rok vydání: | 2006 |
| Předmět: |
Male
medicine.medical_specialty Stimulation 030204 cardiovascular system & hematology Ventricular Function Left Body Mass Index 03 medical and health sciences 0302 clinical medicine Coronary Circulation Internal medicine Humans Medicine In patient Muscle Skeletal Heart Failure Ventricular function business.industry Heart General Medicine Blood flow Middle Aged medicine.disease Electric Stimulation C-Reactive Protein Chronic disease Heart failure Chronic Disease Cardiology Muscle strength Female Blood supply Shear Strength Cardiology and Cardiovascular Medicine business Biomarkers Blood Flow Velocity 030217 neurology & neurosurgery |
| Zdroj: | Circulation Journal. 70:75-82 |
| ISSN: | 1347-4820 1346-9843 |
| Popis: | This study was designed to evaluate the effects of low-frequency electrical stimulation (LFES) on muscle strength and blood flow in patients with advanced chronic heart failure (CHF).Patients with CHF (n=15; age 56.5 +/- 5.2 years; New York Heart Association III - IV; ejection fraction 18.7 +/- 3.3%) were examined before and after 6 weeks of LFES (10 Hz) of the quadriceps and calf muscles of both legs (1 h/day, 7 days/week). Dynamometry was performed weekly to determine maximal muscle strength (F(max); N) and isokinetic peak torque (PT(max); Nm); blood flow velocity (BFV) was measured at baseline and after 6 weeks of LFES using pulsed-wave Doppler velocimetry of the right femoral artery. Six weeks of LFES significantly increased F(max) (from 224.5 +/- 96.8 N to 340.0 +/- 99.4 N; p0.001), and also PT(max) (from 94.5 +/- 41.5 Nm to 135.3 +/- 28.8 Nm; p0.01). BFV in the femoral artery increased after 6 weeks from 35.7 +/- 15.4 cm/s to 48.2 +/- 18.1 cm/s (p0.05); BFV values at rest before and after 6 weeks of LFES did not differ significantly.LFES may improve muscle strength and blood supply, and could be recommended for the treatment of patients with severe CHF. |
| Databáze: | OpenAIRE |
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