Diagnostic approach of orthostatic arterial hypertension

The first references regarding the term arterial orthostatic hypertension, which means elevation of blood pressure values, when passing from clino- to orthostatism, date beginning 1940s [1]. Currently, there is no any consensus and are few reports studies on this subject, compared hypotension, although both pathologies assumed be based a common physiopathological mechanism - dysfunction autonomic nervous system. Because definition OHT differs one study another, development problematic. Specific recommendations treatment hypertension have not been drawn up, as evidence patology only limited non-randomized studies. aim article systematize data literature definition, establishment diagnosis pathophysiological hypertension.