Effect of Weight Loss without Salt Restriction on the Reduction of Blood Pressure in Overweight Hypertensive Patients

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Abstract
Overweight patients with uncomplicated essential hypertension were followed up biweekly for six months: 24 not receiving antihypertensive-drug therapy (Group I) and 83 on regular but inadequate (despite drug manipulation) antihypertensive-drug therapy (Group II). All patients in Group I and 57 randomly selected patients from Group II (IIa) participated in a weight-reduction program. The remaining 26 from Group II (IIb) did not receive a dietary program. Salt intake was in the normal range in all three groups. All patients on the dietary program lost at least 3 kg (mean, 10.5 kg), and all but two showed a meaningful reduction in blood pressure; 75 per cent of Group I and 61 per cent of Group IIa returned to normal blood pressure. The weight and blood-pressure reductions were highly significant (P0.30). (N Engl J Med 298:1–6, 1978)