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Systolic blood pressure control after participation in a hypertension intervention study

Lesley K Welch1, Kari L Olson, Karen E Snow

  • 1Denver, CO 80220, USA. Lesley.welch@va.gov

The American Journal of Managed Care
|August 9, 2011
PubMed

Insights

Systolic blood pressure control was not sustained after a hypertension intervention. Many patients in both intervention and usual care groups experienced uncontrolled blood pressure post-study.

Area of Science:

  • Cardiovascular Medicine
  • Clinical Hypertension Research
  • Public Health Interventions

Background:

  • Hypertension management requires sustained blood pressure (BP) control.
  • Multimodal interventions aim to improve BP control in patients with uncontrolled hypertension.
  • Long-term maintenance of BP control after interventions is not well-established.

Purpose of the Study:

  • To evaluate the long-term maintenance of systolic blood pressure (SBP) control after a multimodal hypertension intervention.
  • To compare sustained SBP control between an intervention group and usual care (UC) group post-randomized trial.

Main Methods:

  • Retrospective cohort study of patients completing the "Improving Blood Pressure in Colorado" randomized trial.
  • Chart review to assess the first SBP measurement during routine care after study completion.
  • Comparison of proportions with uncontrolled SBP during follow-up among those with controlled SBP at the final study visit.

Main Results:

  • Of 283 patients, 51.5% (intervention) and 46.9% (UC) had controlled SBP at the study's end.
  • Following the study, 37.0% (intervention) and 46.4% (UC) of patients with prior controlled SBP had uncontrolled SBP.
  • No significant difference in time to uncontrolled SBP between the intervention and UC groups.

Conclusions:

  • Systolic blood pressure control was not consistently maintained in a significant proportion of patients after completing the hypertension intervention study.
  • Findings highlight the need for interventions focusing on long-term BP management beyond the typical short duration of clinical trials.
  • Sustained BP control remains a challenge, necessitating further research into long-term strategies for hypertension management.
Abstract

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