Blood pressure control in treated hypertensive patients: clinical performance of general practitioners.
BACKGROUND
The blood pressure of many treated hypertensive patients remains above recommended target levels. This discrepancy may be related to general practitioners' (GPs') actions.


OBJECTIVE
To assess clinical performance of GPs in blood pressure control in treated hypertensive patients and to explore the influence of patient and GP characteristics on clinical performance.


METHODS
Cross-sectional study conducted on 195 GPs with invitations to participate made via bulletins and by letter.


METHODS
One hundred and thirty-two practices in the southern half of The Netherlands from November 1996 to April 1997.


METHODS
Performance criteria were selected from Dutch national hypertension guidelines for general practice. GPs completed self-report forms immediately after follow-up visits of hypertensive patients treated with antihypertensive medication.


RESULTS
The GPs recorded 3526 follow-up visits. In 63% of these consultations the diastolic blood pressure (DBP) was 90 mmHg or above. The median performance rates of the GPs were less than 51% for most of the recommended actions, even at a DBP of > or = 100 mmHg. Performance of non-pharmacological actions increased gradually with increasing DBP; prescribing an increase in antihypertensive medication and making a follow-up appointment scheduled within six weeks rose steeply at a DBP of > or = 100 mmHg. Patient and GP characteristics contributed little to clinical performance. Action performance rates varied considerably between GPs.


CONCLUSIONS
GPs seem to target their actions at a DBP of below 100 mmHg, whereas guidelines recommend targeting at a DBP of below 90 mmHg.
Centre for Quality of Care Research, University of Nijmegen, P O Box 9101, 6500 HB Nijmegen, The Netherlands. b.frijling@hsv.kun.nl
B D
BD
Frijling
T H
TH
Spies
C M
CM
Lobo
M E
ME
Hulscher
B B
BB
van Drenth
J C
JC
Braspenning
A
A
Prins
J C
JC
van der Wouden
R P
RP
Grol
D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000959:Antihypertensive Agents / Q000627:therapeutic use*; D001794:Blood Pressure / Q000187:drug effects*; D002983:Clinical Competence; D003430:Cross-Sectional Studies; D005194:Family Practice / Q000592:standards*; D005260:Female; D019983:Guideline Adherence; D006801:Humans; D006973:Hypertension / Q000188:drug therapy* / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D009426:Netherlands; D017410:Practice Guidelines as Topic; D013647:Task Performance and Analysis
D000959:Antihypertensive Agents