T he hemodynamic response to physical stress has been studied over the past decade, and it is considered an indicator of cardiovascular risk. 1 The blood pressure response during acute exercise includes participation of the sympathetic nervous system, involving brain centers and peripheral reflexes. 1 The sympathetic nervous system has a critical role in the regulation of blood pressure and in ...

Calcium-channel blockers (CCBs) constitute a diverse group of compounds but are often referred to as a single homogeneous class of drug and the clinical responses indiscriminately summarized. Even within the dihydropyridine subgroup, there are significant differences in formulations, pharmacokinetics, durations of action and their effects on blood pressure, heart rate, end organs and the sympat...

The exact function of the sympathetic nervous system in the regulation of intraocular pressure remains unclear. Many observers have noted reduced intraocular pressure in eyes whose sympathetic supply has been interrupted. A case of ocular sympathetic denervation associated with ocular hypertension is reported. Reports on the relationship between intraocular pressure and sympathetic denervation ...