Background: Little is known about statins in the prevention of dyslipidaemia induced renal function decline. The secondary coronary heart disease (CHD) prevention GREACE study suggested that dose titration with atorvastatin (10-80 mg/day, mean dose 24 mg/day) achieves the national cholesterol educational programme treatment goals and significantly reduces morbidity and mortality, compared with usual care. Aims: To report the effect of statin on renal function compared with untreated dyslipidaemia in both treatment groups. Methods/Results: All patients had plasma creatinine values within the reference range , 115 mmol/litre (13 mg/litre). The on study creatinine clearance (CrCl), as estimated (for up to 48 months) by the CockroftGault formula, was compared within and between treatment groups using analysis of variance to assess differences over time. Patients from both groups not treated with statins (704) showed a 5.2% decrease in CrCl (p , 0.0001). Usual care patients on various statins (97) had a 4.9% increase in CrCl (p = 0.003). Structured care patients on atorvastatin (783) had a 12% increase in CrCl (p , 0.0001). This effect was more prominent in the lower two quartiles of baseline CrCl and with higher atorvastatin doses. After adjustment for 25 predictors of all CHD related events, multivariate analysis revealed a hazards ratio of 0.84 (confidence interval 0.73 to 0.95; p = 0.003) with every 5% increase in CrCl. Conclusions: In untreated dyslipidaemic patients with CHD and normal renal function at baseline, CrCl declines over a period of three years. Statin treatment prevents this decline and significantly improves renal function, potentially offsetting an additional factor associated with CHD risk.
These results show that the MetS is highly prevalent in the Greek adult population. This may have major implications for the incidence of CVD. Promoting healthy diets, low caloric intake and physical activity must be urgently undertaken.
We assessed the 'synergy' of statins and angiotensinconverting enzyme inhibitors (ACEI) in reducing vascular events in patients with coronary heart disease (CHD). The GREek Atorvastatin and CHD Evaluation (GREACE) Study, suggested that aggressive reduction of low density lipoprotein cholesterol to 2.59 mmol/l (o100 mg/dl) significantly reduces morbidity and mortality in CHD patients, in comparison to undertreated patients. In this post hoc analysis of GREACE the patients (n ¼ 1600) were divided into four groups according to long-term treatment: Group A (n ¼ 460 statin þ ACEI), B (n ¼ 420; statin, no ACEI), C (n ¼ 371;no 371;no statin, on ACEI), and D (n ¼ 349; no statin, no ACEI). Analysis of variance was used to assess differences in the relative risk reduction (RRR) in 'all events' (primary end point) between groups. During the 3-year follow-up there were 292 cardiovascular events; 45 (10% of patients) in group A, 61 (14.5%) in group B, 91 in group C (24.5%) and 95 events in group D (27%). The RRR (95% confidence interval (CI) in the primary end point in group A was 31%, (95% CI À48 to À6%, P ¼ 0.01) in comparison to group B, 59% (95% CI À72 to À48%, Po0.0001) to group C and 63% (95% CI À74 to À51%, Po0.0001) to group D. There was no significant difference in RRR between groups C and D (9%, CI À27-10%, P ¼ 0.1). Other factors (eg the blood pressure) that can influence clinical outcome did not differ significantly between the four treatment groups. In conclusion, the statin þ ACEI combination reduces cardiovascular events more than a statin alone and considerably more than an ACEI alone. Aggressive statin use in the absence of an ACEI also substantially reduced cardiovascular events. Treatment with an ACEI in the absence of a statin use reduced clinical events in comparison to patients not treated with an ACEI but not significantly, at least in these small groups of patients.
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