Heart rate differentiates urgency and emergency in hypertensive crisis

被引:25
作者
Al Bannay, Rashed [1 ,2 ]
Boehm, Michael [3 ]
Husain, Aysha [1 ]
机构
[1] Dept Internal Med, Cardiol Unit, Manama, Bahrain
[2] Arabian Gulf Univ, Dept Internal Med, Manama, Bahrain
[3] Univ Klinikum Saarlandes, Klin Innere Med 3, D-66424 Homburg, Germany
关键词
Hypertensive crisis; Heart rate; Tachycardia; Hypertensive emergency; Hypertensive urgency; Left ventricular failure; Glycated hemoglobin; CORONARY-ARTERY-DISEASE; RATE REDUCTION; CARDIOVASCULAR MORTALITY; ENDOTHELIAL FUNCTION; RISK-FACTOR; FAILURE; ASSOCIATION; DYSFUNCTION; IVABRADINE; MANAGEMENT;
D O I
10.1007/s00392-013-0570-5
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
To study the clinical significance of presenting blood pressure parameters and heart rate in patients with hypertensive crisis. In patients admitted with hypertensive crisis between January 2011 and May 2011, demography, mode of presentation, co-morbidities, blood pressure readings, and heart rate at presentation were documented. Further clustering of hypertensive crisis into emergency or urgency was based on the presence or absence of target organ involvement. The relationship between blood pressure parameters, heart rate, and other variables was analyzed. 189 patients in sinus rhythm were enrolled in this pilot study. The rate of hypertensive urgency was 56 %, whereas the rate of hypertensive emergency was 44 %, respectively. Subjects with hypertensive emergency had a higher mean heart rate (93 +/- A 22.7 bpm) than those with urgency (81 +/- A 11.5 bpm) (P = 0.015). Women had higher heart rates (92 +/- A 18.5 bpm) than men (86 +/- A 17.6 bpm) (P = 0.014). Heart rates below 100 bpm had a specificity of 94 %, classifying patients as hypertensive urgency. Tachycardia had a powerful statistical association with hypertensive left ventricular failure (P < 0.0001). Other hemodynamic parameters, including systolic blood pressure, diastolic blood pressure, pulse pressure, and mean blood pressure relates neither to urgency nor to emergency. Diabetic patients with HBA1c levels of more than 53 mmol/mol had a heart rate of more than 100 bpm (P = 0.015) during hypertensive crisis. Normal heart rate is characteristic of hypertensive urgency. Tachycardia in this setting is an ominous sign and denotes hypertensive complications in particular left ventricular failure. Among diabetics, elevated heart rate is associated with poor glycemic control.
引用
收藏
页码:593 / 598
页数:6
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