Epidemiology of Hypertensive Emergency
| Status: | Completed |
|---|---|
| Conditions: | High Blood Pressure (Hypertension), Peripheral Vascular Disease |
| Therapuetic Areas: | Cardiology / Vascular Diseases |
| Healthy: | No |
| Age Range: | 21 - Any |
| Updated: | 4/21/2016 |
| Start Date: | October 1989 |
| End Date: | December 1992 |
Correlates of Nonadherence to Hypertension Treatment in an Inner-City Minority Population
To test the hypotheses that hypertensive emergency was associated with non-compliance with
antihypertensive medication, low level of contact with the medical care system, and alcohol
abuse and cigarette smoking. Also, to describe the clinical characteristics of patients
hospitalized with hypertensive emergency including morbidity, mortality, and cost, and the
extent to which hypertensive emergency occured among previously diagnosed and treated
hypertensives.
antihypertensive medication, low level of contact with the medical care system, and alcohol
abuse and cigarette smoking. Also, to describe the clinical characteristics of patients
hospitalized with hypertensive emergency including morbidity, mortality, and cost, and the
extent to which hypertensive emergency occured among previously diagnosed and treated
hypertensives.
BACKGROUND:
While less frequent than in the era before effective treatment for hypertension,
hypertensive emergency remains a relatively common cause of hospital admission in some
sub-populations. In 1989, hypertensive emergency accounted for approximately 60 admissions
per year to the Medical Service at Presbyterian Hospital, and a somewhat higher proportion
of intensive care unit admissions and utilization. The importance of hypertensive emergency
may have been underestimated because the International Classification of Diseases discharge
codes included only malignant hypertension, a severe form comprising only about half of the
admissions for hypertensive emergency. There had been almost no epidemiologic studies of
hypertensive emergency since 1969, and very little was known about risk factors.
DESIGN NARRATIVE:
A matched case-control study design was used. Cases were obtained from admissions to the
Medical Service at Presbyterian Hospital. Morbidity and mortality data were obtained by
follow-up of the case series.
While less frequent than in the era before effective treatment for hypertension,
hypertensive emergency remains a relatively common cause of hospital admission in some
sub-populations. In 1989, hypertensive emergency accounted for approximately 60 admissions
per year to the Medical Service at Presbyterian Hospital, and a somewhat higher proportion
of intensive care unit admissions and utilization. The importance of hypertensive emergency
may have been underestimated because the International Classification of Diseases discharge
codes included only malignant hypertension, a severe form comprising only about half of the
admissions for hypertensive emergency. There had been almost no epidemiologic studies of
hypertensive emergency since 1969, and very little was known about risk factors.
DESIGN NARRATIVE:
A matched case-control study design was used. Cases were obtained from admissions to the
Medical Service at Presbyterian Hospital. Morbidity and mortality data were obtained by
follow-up of the case series.
Inclusion criteria
1. Patients admitted in the emergency room and for the medical and surgical services at
the Presbyterian Hospital and Harlem Hospital Center in New York City
- patients with incidents of hypertensive emergency or hypertensive urgency
- hypertensive patients with other acute conditions who were admitted to the hospital
or were treated in the emergency room and released
Exclusion criteria
1. Under 21 years of age
2. Pregnancy
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