• I Cybulska, W Popławska, J Niegowska, M Makowiecka-Cieśla, M Kabat, E Borowiecka, and M Sznajderman.
• Kardiol Pol. 1989 Jan 1; 32 (7-9): 380-5.

AbstractThe aim of the study was to evaluate the usefulness of 24-hour automatic recording of blood pressure and cardiac rhythm in patients with borderline hypertension. The study was performed in 50 patients aged 38.8 +/- 13.1 using the Del Mar Avionics device. Mean time of recordings was 21.3 hours, and the mean number of blood pressure measurements per one patient was 52.4. Great fluctuations of systolic blood pressure (from 92.1 +/- 12.6 to 191 +/- 37.0 mm Hg) and diastolic one (from 57.3 +/- 11.4 to 118.9 +/- 13.8 mm Hg) were observed. Mean systolic blood pressure (125.6 +/- 10.6 mm Hg) was significantly lower than the mean value of last three ambulatory measurements (141.9 +/- 9.8; p less than 0.001). Also mean diastolic pressure was lower than that obtained in the out patient clinic (84.7 +/- 9.7 vs 91.9 +/- 3.2 mm Hg; p less than 0.001). Mean heart rate during the day was 86.2 +/- 10.7 and at night 69.7 +/- 10.5 beats per minute. Ventricular and/or supraventricular cardiac arrhythmias were observed in 14 (28%) of examined patients. Results of the study indicate, that 24-hour automatic blood pressure recording is the valuable method, affording possibilities for more precise estimation of blood pressure and its 24-hour fluctuations in patients with borderline hypertension.

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