Background and Purpose: Use of thrombolysis and acute treatments for cerebral infarction may require that acute stroke be treated as a medical emergency. To assess the factors influencing the time to admission in acute stroke, we conducted a prospective study of all such patients admitted to the hospitals in Leicester, UK, over a 12-month period.Methods: Factors assessed were age, sex, time of stroke onset, stroke severity, home circumstances, and routes of admission. Initial between-group comparisons were made with the Mann-Whitney U test. The individual contribution of each of these variables was assessed with multiple linear regression analysis.Results
The effect of an acute oral caffeine load (250 mg capsule) and matching placebo on blood pressure and pulse rate were studied after 48 h caffeine abstention in 8 elderly, normotensive regular caffeine users. The caffeine loading phase was repeated after only 12 h abstention. Following 48 h abstention, supine systolic and diastolic blood pressure were higher for the 120 min study period after the acute caffeine load than placebo (12.1 mm Hg, 95% C.I. 4.3-19.9 mm Hg; P = 0.008 and 7.4 mm Hg, 3.6-11.2 mm Hg; P < 0.001 respectively). Similar differences were seen in standing blood pressure, though pulse rate was unchanged throughout. The pressor response to the acute caffeine load was significantly greater after a 48 h than a 12 hour caffeine abstention period, for supine and standing systolic and diastolic blood pressure. The changes in plasma caffeine levels after acute loading were similar after the 2 different abstention periods. Caffeine ingestion after 48 h abstention has an acute pressor effect in normotensive elderly subjects which is abolished if the abstention period is reduced to 12 h. Acute caffeine ingestion is unlikely to have a significant pressor effect in elderly normotensive subjects who are regular caffeine users as the normal period of caffeine abstention (i.e. overnight) is too short to abolish tolerance.
SummaryAn 84-year-old man presented with dysphagia two years after the onset of symptoms. Repeated assessments at both ENT and neurology clinics had not recorded any of the more classical signs of Parkinson's disease and these did not become apparent until intercurrent illness had been treated. Once diagnosed, treatment was started and dramatic improvement was seen.
Hypertension is common in the elderly, up to half of the population over the age of 65 years can be so classified. Raised systolic and diastolic blood pressure levels increase the risk of cardiovascular morbidity and mortality in those aged up to 80 years. Recent intervention studies have shown that antihypertensive treatment reduces death from stroke and myocardial infarction, without producing intolerable side-effects. The benefits of treating isolated systolic hypertension and hypertension following stroke are, as yet, unproven. The therapeutic goals for treating hypertension in the elderly should be to lower blood pressure while keeping adverse reactions to a minimum and thereby not impairing the patient's quality of life. Non-pharmacological methods should be tried initially before resorting to drug therapy. Both thiazide diuretics and beta-adrenoceptor antagonists are of proven value as first line hypotensive agents in the elderly. Drug therapy should be tailored to the individual patient and increased slowly to reduce the incidence of side-effects.
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