Hypertension and nephrology

[Blood presssure paradoxon in very elderly patients]

SZÉKÁCS Béla, BÉKÉSI Gábor, KISS István

FEBRUARY 20, 2014

Hypertension and nephrology - 2014;18(01-02)

[The paper is warning for the necessity of very complex consideration before taking antihypertensive therapeutic decisions (indication, point or points of actiou, blood pressure target levels, dynamics of BP reduction, etc) for elderly hypertensive patients. Blood pressure reduction can mean efficient protection against cardiovascular events also among the elderly hypertensives. However in those old and very old hypertensive patients who have not only severe stiffness of their large vessels but suffer in advanced co-morbidities and integrated pathologic geriatric syndromes, the blood pressure reduction can result in sometimes even life threatening general deterioration. Antihypertensive therapeutic dilemmas of elderly caregivers appear mainly in relation to old hypertensive patients of age over 80 years. For this „very old” age period the HYVET study gave us evidence based conclusions about the cardiovascular protective usefulness of combined antihypertensive treatment resulting in BP reduction to 150 Hgmm systolic BP target levels. However a non-negligable rate of selection of the included patients in HYVET study can weaken the generalizability of the HYVET findings in this age period and the extensibility of its antihypertensive therapeutic conclusions for the entire „very old” population because this population has also a high proportion of patients with chronic progressive illnesses and general decline. Thus the elderly hypertensives’ caregiver must always carefully and critically balance between the messages of the HYVET and the nonselective observational follow up studies among elderlies showing frequently the so-called epidemiologic blood pressure/ mortality paradoxon. The paper is also trying to find potencial pathomechanical interpretations and point of actions for the epidemiologic blood pressure/mortality paradoxon found in the very old population.]

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