to determine whether clonidine treatment affects cardiopulmonary baroreflex induced sympathetic activation , we assessed the hemodynamic and hormonal responses to lower body negative pressure ( lbnp ) before and after 3 weeks of treatment with low-dose ( 0.2 mg daily ) clonidine in eight older ( mean age , 62 years ) patients with established mild-to-moderate hypertension .
C0009014
clonidine
C0020538
hypertension