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ORIGINAL ARTICLE  EXERCISE AND SPORT CARDIOLOGY 

The Journal of Sports Medicine and Physical Fitness 2019 September;59(9):1593-8

DOI: 10.23736/S0022-4707.19.09448-9

Copyright © 2019 EDIZIONI MINERVA MEDICA

lingua: Inglese

Postexercise changes in peripheral and central blood pressure during a 24-hour ambulatory blood pressure monitoring in healthy young men

Daniel GOEDER , Birgit BÖHM, Renate OBERHOFFER, Jan MÜLLER

Institute of Preventive Pediatrics, Technical University of Munich, Munich, Germany



BACKGROUND: Central systolic blood pressure (cSBP), a measure of arterial stiffness, determines the afterload of the heart and provides greater prognostic significance regarding cardiovascular outcomes than peripheral systolic blood pressure (pSBP). Physical exercise is associated with an acute hypotensive effect on pSBP, but the significance of exercise on cSBP is missing. This study investigates the effect of a single exercise bout on pSBP and cSBP during a 24-hour ambulatory blood pressure monitoring (ABPM).
METHODS: In 25 healthy male individuals (27.5±5.5 years) baseline pSBP and cSBP values were determined in a supine position using the oscillometric Mobil-O-Graph device. Afterward, they performed a maximum cardiopulmonary exercise test (CPET) on a bicycle ergometer. The 24-hour ABPM was launched 15 minutes after terminating CPET.
RESULTS: Significant dipping of cSBP was found compared to baseline values in the first (-6.8 [-9.9 to -3.7] mmHg; P<0.001) second (-7.4 [-10.6 to -4.2] mmHg; P<0.001) and third hour (-6.4 [-11.5 to -1.3]; P=0.016) after exercise. Afterwards, cSBP continuously increases but remains significant reduced to baseline in the third (-6.4 [-11.5 to -1.3] mmHg; P=0.016), and fifth hour (-4.3 [-8.2 to -0.4] mmHg; P=0.033). There were only significant changes in pSBP compared to baseline values after 10 hours till the night period. The dipping pattern in the night period was similar in pSBP and cSBP.
CONCLUSIONS: 24-h postexercise responses of pSBP and cSBP differs significantly. This suggests a different regulatory mechanism of exercise on the peripheral and central arteries that have further be elucidated.


KEY WORDS: Cardiology; Endurance training; Cardiovascular diseases; Risk factors; Hemodynamics

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