OBJECTIVE:Elevation of blood pressure and heart rate increase the risk of cardiovascular disease. Administration of estrogens does not affect heart rate but may decrease 24 h blood pressure. In this study, we tested the effect of the estro-progestogenic compound tibolone.METHODS:Thirty healthy, post-menopausal women were randomized to receive placebo (n = 15) or tibolone, at the commonly prescribed dose of 2.5 mg per day (n = 15). Before and after 6 months of treatment, in each woman blood pressure and heart rate were monitored every 30 min for 41 h by an ambulatory device. Valuable readings were those collected from 8:00 a.m. of the second day to 8:00 a.m. of third day. Analyses were performed of 24 h, day-time (7:00 a.m.-11:00 p.m.) and night-time (11:00 p.m.-7:00 a.m.) values. Day to night difference was also calculated. Results: Placebo did not modify 24h, day-time, and night-time blood pressure or heart rate values. Day-night differences were also not affected by placebo. Similarly to placebo, tibolone administration did not modify any of the blood pressure parameters taken into consideration. By contrast, a significant decline of 24 h heart rate (73.2 +/- 2.3 beats/min versus 69.3 +/- 1.7 beats/min; P < 0.0008) was observed. The effect was significant both at day (76.6 +/- 2.4 beats/min versus 72.1 +/- 1.9 beats/min; P < 0.0001) and night (65.8 +/ 2.6 beats/min versus 62.4 +/- 1.9 beats/min; P < 0.05). Day-night blood pressure and heart rate differences were not affected by tibolone.CONCLUSIONS:In post-menopausal women, administration of tibolone does not influence 24 h blood pressure but reduces heart rate.

Administration of tibolone decreases 24h heart rate but not blood pressure of post-menopausal women / Cagnacci, Angelo; Baldassari, F.; Arangino, S.; Alessandrini, C.; Volpe, Annibale. - In: MATURITAS. - ISSN 0378-5122. - STAMPA. - 48(2):(2004), pp. 155-160.

Administration of tibolone decreases 24h heart rate but not blood pressure of post-menopausal women

CAGNACCI, Angelo;VOLPE, Annibale
2004

Abstract

OBJECTIVE:Elevation of blood pressure and heart rate increase the risk of cardiovascular disease. Administration of estrogens does not affect heart rate but may decrease 24 h blood pressure. In this study, we tested the effect of the estro-progestogenic compound tibolone.METHODS:Thirty healthy, post-menopausal women were randomized to receive placebo (n = 15) or tibolone, at the commonly prescribed dose of 2.5 mg per day (n = 15). Before and after 6 months of treatment, in each woman blood pressure and heart rate were monitored every 30 min for 41 h by an ambulatory device. Valuable readings were those collected from 8:00 a.m. of the second day to 8:00 a.m. of third day. Analyses were performed of 24 h, day-time (7:00 a.m.-11:00 p.m.) and night-time (11:00 p.m.-7:00 a.m.) values. Day to night difference was also calculated. Results: Placebo did not modify 24h, day-time, and night-time blood pressure or heart rate values. Day-night differences were also not affected by placebo. Similarly to placebo, tibolone administration did not modify any of the blood pressure parameters taken into consideration. By contrast, a significant decline of 24 h heart rate (73.2 +/- 2.3 beats/min versus 69.3 +/- 1.7 beats/min; P < 0.0008) was observed. The effect was significant both at day (76.6 +/- 2.4 beats/min versus 72.1 +/- 1.9 beats/min; P < 0.0001) and night (65.8 +/ 2.6 beats/min versus 62.4 +/- 1.9 beats/min; P < 0.05). Day-night blood pressure and heart rate differences were not affected by tibolone.CONCLUSIONS:In post-menopausal women, administration of tibolone does not influence 24 h blood pressure but reduces heart rate.
48(2)
155
160
Administration of tibolone decreases 24h heart rate but not blood pressure of post-menopausal women / Cagnacci, Angelo; Baldassari, F.; Arangino, S.; Alessandrini, C.; Volpe, Annibale. - In: MATURITAS. - ISSN 0378-5122. - STAMPA. - 48(2):(2004), pp. 155-160.
Cagnacci, Angelo; Baldassari, F.; Arangino, S.; Alessandrini, C.; Volpe, Annibale
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/460103
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