HE REFERENCE METHOD FOR blood pressure (BP) measurement during clinical consultations is the auscultatory method with a mercury sphygmomanometer. This method has been used to demonstrate the relationship between BP and cardiovascular risk. A meta-analysis of individual data from almost 1 million adults participating in 61 prospective studies precisely established the prognostic value of this method of measurement: for each increase of 10 mm Hg in systolic BP (SBP) or 5 mm Hg in diastolic BP (DBP), the average risk of cerebrovascular mortality increases by 40% and the risk of mortality from ischemic heart disease by 30%. 1 The mercury sphygmomanometer, used during clinical consultations, is also the tool that has demonstrated the benefit of antihypertensive treatment. In the first metaanalysis of randomized controlled trials using the sphygmomanometer, a decrease in DBP of 5 mm Hg to 6 mm Hg was associated with a 42% reduction in the risk of stroke syndrome and a 14% reduction in the risk of coronary events. 2
This retrospective analysis suggests that patients with isolated home hypertension belong to a high-risk subgroup. The 3-year follow-up of these patients will provide prospective data about the cardiovascular prognosis of these subgroups.
Objective: To analyse the short and long term prognostic significance of admission glycaemia in a large registry of non-diabetic patients with acute myocardial infarction. Methods: Assessment of short and long term prognostic significance of admission blood glucose in a consecutive population of 1604 non-diabetic patients admitted to intensive care units in France in November 2000 for a recent (( 48 hours) myocardial infarction. Results: In-hospital mortality, compared with that of patients with admission glycaemia below the median value of 6.88 mmol/l (3.7%), rose gradually with each of the three upper sextiles of glycaemia: 6.5%, 12.5% and 15.2%. Conversely, one year survival decreased from 92.5% to 88%, 83% and 75% (p , 0.001). Admission glycaemia remained an independent predictor of in-hospital and one year mortality after multivariate analyses accounting for potential confounders. Increased admission glycaemia also was a predictor of poor outcome in all clinical subsets studied: patients without heart failure on admission, younger and older patients, patients with or without reperfusion therapy, and patients with or without ST segment elevation. Conclusion: In non-diabetic patients, raised admission blood glucose is a strong and independent predictor of both in-hospital and long term mortality.
The higher 1-year mortality following AMI in women is explained by the higher risk of death in young women during the first days of hospitalization. Further investigations are crucial to determine the cause in order to improve the chance of survival in younger women.
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