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6 monthly scheduled follow up of hypertension was equivalent to 3 monthly scheduled follow up

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 Q In patients with hypertension, are 3 monthly and 6 monthly scheduled follow ups by family practitioners equivalent in blood pressure (BP) control, treatment compliance, and patient satisfaction?

Clinical impact ratings GP/FP/Primary care ★★★★★★☆


Embedded ImageDesign:

randomised controlled equivalence trial.

Embedded ImageAllocation:


Embedded ImageBlinding:

blinded (data collectors, outcome assessors, and data analysts).*

Embedded ImageFollow up period:

3 years.

Embedded ImageSetting:

practices of 50 family practitioners in Kingston, Ontario, Canada.

Embedded ImagePatients:

614 patients who were 30–74 years of age with a diagnosis of essential hypertension, were taking ⩾1 antihypertensive drug, and had controlled BP (<140/90 mm Hg in patients ⩽40 y, <150/95 mm Hg in patients 41–59 y, and <160/95 mm Hg in patients ⩾60 y) for ⩾3 months before study entry. Exclusion criteria: pregnancy, hypertension follow up by a specialist, or opinion of family practitioner that patient could not be randomised to 6 month follow up because of other medical problems.

Embedded ImageIntervention:

3 month (n = 302) or 6 month (n = 307) follow up of …

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  • * See glossary.

  • Information provided by author.

  • For correspondence: Dr R Birtwhistle, Queen’s University, Kingston, Ontario, Canada.

  • Sources of funding: Canadian Institute for Health Research and McKnight Fund of Queen’s University.