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DOI: 10.1055/s-0028-1109140
© Georg Thieme Verlag KG Stuttgart · New York
Kardiovaskuläre und metabolische Beanspruchung während stochastischer Resonanztherapie bei Schlaganfallpatienten
Cardiovascular and Metabolic Strain during Stochastic Resonance Therapy in Stroke PatientsPublikationsverlauf
eingereicht: 19.2.2008
angenommen: 22.9.2008
Publikationsdatum:
19. Februar 2009 (online)

Zusammenfassung
Hintergrund: Chronischer Bluthochdruck als einer der Risikofaktoren für einen Schlaganfall trägt zu einer Gefäßschädigung bei. Daher sollten bei diesen Patienten Trainingsmethoden vermieden werden, die einen sehr hohen Blutdruck verursachen.
Ziel: Mittels Stochastischer Resonanztherapie (SRT) – einer speziellen Form von Ganzkörpervibration – können Kraft und Gleichgewicht verbessert werden. Das Ziel dieser Studie war, die körperliche Beanspruchung von Schlaganfallpatienten während der SRT zu untersuchen.
Methode: In einer Querschnittstudie absolvierten 20 Patienten in der Frühphase nach Schlaganfall eine SRT mit einer individuellen submaximalen Vibrationsfrequenz. Das Training bestand aus 5 Serien à 1 Minute mit jeweils 1 Minute Pause. Die Blutdruck-, Herzfrequenz- und Laktatwerte wurden vor (Ruhewert) und während des Trainings gemessen.
Ergebnisse: Die Herzfrequenz variierte zufällig zwischen 93 und 101 Schlägen pro Minute. Der mittlere Blutdruck stieg von einem Ruhewert (131 / 90 mmHg) signifikant auf den Wert nach der 1. Serie an (140 / 98 mmHg) und schwankte in diesem Bereich während der 5 Serien zufällig. Das Laktat bewegte sich zwischen 1,8 und 1.9 mmMol/l.
Schlussfolgerung: Die kardiovaskuläre und metabolische Beanspruchung während einer SRT bewegt sich im Bereich zwischen Ruhewerten und der aeroben Schwelle.
Abstract
Background: Hypertension as one of the established risk factors for stroke can damage vessels. Therefore training with strenuous exercises that might cause very high blood pressure should be avoided in patients with stroke.
Objective: Treatment with Stochastic Resonance Therapy (SRT) as a special form of whole-body-vibration can increase force and balance. The aim of this study was to investigate the physical strain for patients with stroke during SRT.
Methods: In a cross-sectional study 20 patients with a recent stroke performed a SRT with an individual sub-maximum vibration-frequency. Training consisted of 5 series of 1 minute each with 1 minute rest in-between. Blood pressure, heart rate and lactate were measured before (at rest) and during SRT.
Results: The heart rate varied randomly between 93 and 101 beats/minute. Mean blood pressure at rest (131 / 90 mm Hg) rose slightly up to the value after the first series (140 / 98 mmHg) and fluctuated randomly on this level during the 5 series. The lactate varied between 1.8 – 1.9 mmol/l over all series.
Conclusion: Strain caused by SRT is comparable to cardiovascular and metabolic strain between values during rest and the aerobic threshold.
Schlüsselwörter
stochastische Resonanztherapie - Beanspruchung - Schlaganfall - Herzfrequenz - Blutdruck - Laktat
Key words
stochastic resonance therapy - strain - stroke - heart rate - blood pressure - lactate
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Kaspar Herren,
PT, MSc, Physiotherapie Neurologie, Universitätsspital Bern
3010 Bern
Schweiz
eMail: kaspar.herren@insel.ch