Different Effects of Transdermal and Oral Hormone Replacement Therapy on the Renin-Angiotensin System, Plasma Bradykinin Level, and Blood Pressure of Normotensive Postmenopausal Women

Transdermal HRT decreased BP in normotensive PMW without influencing Ang II, whereas oral HRT increased Ang II without altering BP. Transdermal HRT may be more beneficial than oral HRT with regard to BP and Ang II levels.