J Med Assoc Thai 2011; 94 (2):57

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Hypertension Audit in Clinical Practice Based in Thailand (HABIT)
Buranakitjaroen P Mail

This cross-sectional survey aimed to determine blood pressure (BP) control, risk factors, co-morbidities and endorgan
damage among Thai hypertensive patients. Between February and April 2007, we enrolled 2007 out-patient hypertensives
who were treated for > 6 months. However, baseline assessment could be obtained from only 1,914 cases (male: female = 4:
3; mean age: 61.9 + 11.7 years) and 1,807 cases were eligible for BP evaluation (average BP: 140.45 + 19.99/77.84 + 12.51
mm Hg). Overall BP normalization (BP < 140/90 mmHg) was 51%, but it was 44% when diabetic patients whose BP’s had
to be < 130/80 mmHg were taken into account. Common risk factors/co-morbidities were hypercholesterolemia (66%),
metabolic syndrome (36%), diabetes mellitus (35%) and obesity (32%). Monotherapy was found in 26%, 2 medications in
44% and > 3 medications in 29%. Calcium channel blockers were prescribed in 49%, diuretics in 45%, beta-blockers in
44% and angiotensin-converting enzyme inhibitors in 38%. Three quarters of physicians were aware of target blood
pressure according to the latest hypertension guidelines. In conclusion, BP normalization rate in 2007 audit was better than
in the 2003 audit (51% vs. 44%). Campaigns targeting the commonest risk factors, hypercholesterolemia and metabolic
syndrome, should be a priority.

Keywords: Hypertension, Audit


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