24-h-Ambulatory blood pressure monitoring and bicycle ergometry were compared in 112 patients with untreated mild to moderate essential hypertension. Patients with high blood-pressure values above 220 mmHg during ergometry showed a significantly higher number of blood-pressure peaks above 180 mmHg. There was no significant correlation between the level of the blood-pressure rise during ergometry and the mean values of blood pressure during the 24-h period neither in the night- or the daytime period, nor of the peak values of the 24-h profile. Blood-pressure values during ergometry in patients with high numbers of systolic blood-pressure peaks above 180 mmHg during ambulatory monitoring did not differ significantly from patients with blood-pressure peaks above 180 mmHg during ambulatory monitoring. Patients with marked blood-pressure rise during ergometry seem to demonstrate a higher number of blood-pressure peaks during daytime. On the other hand, patients with an elevated number of blood-pressure peaks do not necessarily show a high blood-pressure rise during ergometry.
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