Prescribing patterns for antihypertensive drugs after the Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial: Report of experience in a health maintenance organization

The ALLHAT publications had large effects on the antihypertensive prescribing patterns in our population. Prescription of thiazide-type diuretics significantly increased after the ALLHAT publication. Our findings establish that the response of physicians to new clinical evidence can be very rapid.