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Titolo:
PULSE-WAVE VELOCITY-MEASUREMENT BY CROSS-CORRELATION OF DOPPLER VELOCITY SIGNALS - APPLICATION TO ELDERLY VOLUNTEERS DURING TRAINING
Autore:
DAUZAT M; DEKLUNDER G; ADAM B; DECESARE A; AYOUB J; MASSEBIRON J; PREFAUT C; PERONNEAU P;
Indirizzi:
UNIV NIMES HOSP,VASC LAB,BP 26 F-30029 NIMES FRANCE CHU NIMES,VASC LAB NIMES FRANCE CHU LILLE,CARDIOVASC LAB F-59037 LILLE FRANCE HOP BROUSSAIS,INSERM,U256 F-75674 PARIS FRANCE CHU MONTPELLIER,HOP ARNAUD VILLENEUVE,LAB INTERACT PHYSIOL MONTPELLIER FRANCE
Titolo Testata:
International journal of sports medicine
fascicolo: 8, volume: 17, anno: 1996,
pagine: 547 - 553
SICI:
0172-4622(1996)17:8<547:PVBCOD>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
ARTERIAL COMPLIANCE; BLOOD-PRESSURE; AORTIC COMPLIANCE; HYPERTENSION; ULTRASOUND; REPRODUCIBILITY; DISTENSIBILITY; DIAMETER; WALL; MEN;
Keywords:
ARTERY; PULSE WAVE VELOCITY; MEASUREMENT; REPRODUCIBILITY; TRAINING; ELDERLY VOLUNTEERS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
34
Recensione:
Indirizzi per estratti:
Citazione:
M. Dauzat et al., "PULSE-WAVE VELOCITY-MEASUREMENT BY CROSS-CORRELATION OF DOPPLER VELOCITY SIGNALS - APPLICATION TO ELDERLY VOLUNTEERS DURING TRAINING", International journal of sports medicine, 17(8), 1996, pp. 547-553

Abstract

Pulse wave velocity (PWV) measurement is widely used for the indirectassessment of arterial wall distensibility. In order to improve its measurement technique, we built a system performing the calculation of the cross-correlation function of Doppler velocity signals. In 12 normal subjects and 10 patients, the mean difference between duplicate measurements was 0.7 +/- 7.8% (NS). We tested this technique in 15 elderly volunteers before and after a three months training period. Brachialand tibial systolic blood pressure decreased respectively from 18.1 +/- 2.2 kPa to 16.7 +/- 1.9 kPa (p = 0.008) and from 21.1 +/- 3.4 kPa to 18.4 +/- 2.5 kPa (p = 0.003), while lower limb PWV decreased from 8.96 +/- 1.26 to 7.92 +/- 1.22 m . s(-1) (p = 0.016). Therefore, automatic PWV measurement using the cross-correlation technique allows to demonstrate training induced changes in PWV, although concomitant changesin blood pressure must be considered in their interpretation.

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Documento generato il 08/04/20 alle ore 09:14:29