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  • Title: Association between hypertensive urgencies and subsequent cardiovascular events in patients with hypertension.
    Author: Vlcek M, Bur A, Woisetschläger C, Herkner H, Laggner AN, Hirschl MM.
    Journal: J Hypertens; 2008 Apr; 26(4):657-62. PubMed ID: 18327073.
    Abstract:
    OBJECTIVE: To determine whether patients with hypertensive urgency have a higher risk for subsequent cardiovascular events compared with hypertensive patients without this event. METHODS: Overall, 384 patients with hypertensive urgency and 295 control patients were followed up for at least 2 years. Hypertensive urgency was defined as a systolic blood pressure above 220 mmHg and/or a diastolic blood pressure above 120 mmHg without any evidence of acute end-organ damage. The control group consisted of patients admitted to the emergency department with a systolic blood pressure between 135 to 180 mmHg and a diastolic blood pressure between 85-110 mmHg. The number of cardiovascular events defined as acute coronary syndrome, acute stroke, atrial fibrillation, acute left ventricular failure and aortic aneurysm were consecutively analyzed during follow-up. The median follow-up time was 4.2 years (interquartile range 2.9-5.7 years). Twenty-six patients of the urgency group and 23 patients of the control group were lost for follow-up. RESULTS: Overall, 117 (17%) patients had nonfatal clinical cardiovascular events and 13 had (2%) fatal cardiovascular events. The frequency of cardiovascular events was significantly higher in patients with hypertensive urgencies (88 vs. 42; P = 0.005). The Cox regression analysis identified age (P < 0.001) and hypertensive urgencies (P = 0.035) as independent predictors for subsequent cardiovascular events. CONCLUSIONS: Hypertensive urgencies are associated with an increased risk for subsequent cardiovascular events in patients with arterial hypertension.
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