Population
4429 consecutively referred patients to a hypertension referral center for investigation of secondary causes…
Design
Cross-sectional
Authors
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Supports age-stratified screening for secondary hypertension in older adults with atherosclerosis; leaves open causal links and needs prospective validation.
Increasing age and coexisting atherosclerosis significantly increase the prevalence of secondary forms of hypertension, particularly renovascular hypertension and renal insufficiency.
Anderson et al. (1994) studied this question.