Subclinical cerebral lesion accumulation on serial magnetic resonance imaging (MRI) in patients with hypertension: risk factors.

Abstract:

OBJECTIVES:We investigated the occurrence in hypertensive patients of new subclinical changes in the brain by serial magnetic resonance imaging (MRI). METHODS:MRI was performed serially in 98 hypertensive subjects without neurologic deficits at least once a year for 3 years. All received antihypertensive medicines Blood pressure, serum lipids, diabetes mellitus, body mass index (BMI), and other clinical factors were correlated with results. RESULTS:Seventy-nine patients had unchanged MRI findings, while 19 developed new lesions (silent lacunar infarct and etat criblé in 3, silent lacunar infarct in 9, and etat criblé in 7). Follow-up systolic blood pressures were significantly higher than individual baselines in the unchanged group, while the follow-up diastolic blood pressures in the new lesion group were significantly lower than in the unchanged group. BMI was significantly lower in the new lesion group. Follow-up HbA1c levels in both groups were significantly higher than at baseline. Diabetes mellitus was significantly more frequent in the new lesion group than in the unchanged group. No significant differences were apparent in serum lipids level, prescribed antihypertensive medications, and other potential risk factors. CONCLUSIONS:New subclinical MRI changes in hypertensive subjects occurred relatively frequently (19 of 98 subjects, or 19.4%). An excessive fall in diastolic blood pressure, diabetes mellitus, and low BMI emerged as candidate risk factors for these changes.

journal_name

Acta Neurol Scand

authors

Shintani S,Shiigai T,Arinami T

doi

10.1111/j.1600-0404.1998.tb00646.x

subject

Has Abstract

pub_date

1998-04-01 00:00:00

pages

251-6

issue

4

eissn

0001-6314

issn

1600-0404

journal_volume

97

pub_type

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