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Antihypertensive: especially in combination with ACE inhibitor/ARB (A+D)
In combination with loop diuretic for profound oedema
Metabolic side effects – hyperuricaemia, impaired glucose tolerance & electrolyte disturbance (hypokalaemia and hyponatraemia)
Major Outcomes in High Risk Hypertensive Patients Randomized to Angiotensin-Converting Enzyme Inhibitor or Calcium Channel Blocker vs Diuretic The Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial (ALLHAT) The ALLHAT Collaborative Research Group Sponsored by the National Heart, Lung, and Blood Institute (NHLBI) JAMA. 2002;288:2981-2997 ALLHAT
Cumulative Event Rates for the Primary Outcome (Fatal CHD or Nonfatal MI) by ALLHAT Treatment Group Chlorthalidone Amlodipine Lisinopril Years to CHD Event 0 1 2 3 4 5 6 7 Cumulative CHD Event Rate 0 .04 .08 .12 .16 .2 0.81 0.99 (0.91-1.08) L/C 0.65 0.98 (0.90-1.07) A/C p value RR (95% CI) ALLHAT
Overall Conclusions Because of the superiority of thiazide-type diuretics in preventing one or more major forms of CVD and their lower cost, they should be the drugs of choice for first-step antihypertensive drug therapy. ALLHAT