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  • Title: Choice of antihypertensive drug in the diabetic patient.
    Author: Ong HT, Cheah JS.
    Journal: MedGenMed; 2005 May 04; 7(2):74. PubMed ID: 16369452.
    Abstract:
    The hypertensive patient with type 2 diabetes is especially at risk of adverse cardiovascular events. The United Kingdom Prospective Diabetes Study (UKPDS) and Hypertension Optimal Treatment (HOT) studies suggested that treatment to a lower target blood pressure resulted in better prevention of clinical disease in these patients. Most trials comparing antihypertensive drugs have shown only minimal differences between the various agents. The evidence from the trials suggests that diuretics, beta-blockers, calcium channel blockers (CCBs), angiotensin-converting enzyme (ACE) inhibitors, and the angiotensin-receptor antagonists (ARBs) will all successfully reduce adverse clinical events. The largest of the comparative hypertensive drug trials, the Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial (ALLHAT), demonstrated that a diuretic has a better hypotensive effect, and was more successful in preventing many aspects of cardiovascular disease compared with CCBs and ACE inhibitors. The importance of good blood pressure control and the general equivalence of antihypertensive drugs were again shown in the Valsartan Antihypertensive Long-term Use Evaluation (VALUE) trial, which compared an ARB with a CCB. Choice of antihypertensive agent should be individualized and guided by the presence of concomitant clinical disease and the need to protect any specific target organ system in the diabetic hypertensive. Diuretics, being potent hypotensive drugs with clearly demonstrated clinical benefit, should form part of the antihypertensive regimen of most diabetic hypertensives. ACE inhibitors and ARBs are especially useful in preventing nephropathy. Most patients will require a combination of antihypertensive drugs to achieve tight blood pressure control of under 130/80 mm Hg in the diabetic hypertensive. The clinician should concentrate on seeking this lower target blood pressure rather than be excessively concerned about which is the best antihypertensive agent.
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