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Risk factors for hypertensive crisis: importance of out-patient blood pressure control

James E Tisdale1, Mike B Huang, Steven Borzak

  • 1Department of Pharmacy Practice, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, USA. jtisdale@iupui.edu

Family Practice
|July 14, 2004
PubMed

Insights

Poorly controlled outpatient systolic blood pressure is a key risk factor for hypertensive crisis. This finding highlights the importance of effective blood pressure management to prevent emergency room visits.

Area of Science:

  • Cardiology
  • Hypertension Research
  • Public Health

Background:

  • Hypertensive crisis is a serious medical condition requiring emergency care.
  • Identifying independent risk factors is crucial for prevention strategies.

Purpose of the Study:

  • To determine independent risk factors associated with hypertensive crisis.
  • To inform clinical practice and public health initiatives for hypertension management.

Main Methods:

  • Retrospective, case-controlled study design.
  • 143 patients with hypertensive crisis (BP >/=180/110 mmHg with symptoms) compared to 485 controls.
  • Analysis of co-morbidities and outpatient blood pressure control.

Main Results:

  • Inadequate outpatient systolic blood pressure control was an independent risk factor (OR 1.30, P < 0.001).
  • Higher outpatient diastolic blood pressure and a history of heart failure showed trends towards significance.
  • Average ED blood pressure in the crisis group was 197/108 mmHg.

Conclusions:

  • Suboptimal outpatient systolic blood pressure control is a significant independent risk factor for hypertensive crisis.
  • Effective outpatient blood pressure management is vital for preventing emergency department presentations.
  • Further research may clarify the role of diastolic pressure and heart failure history.
Abstract

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