Purpose: Although moderate- to high-intensity statin therapy is increasingly recommended in cardiovascular disease patients, the efficacy and safety in elderly patients have not been proven clearly. Here, we compare the effect of various-intensity statins between elderly and very elderly patients. Methods: 43,870 patients over 65 years old who were treated with statins were screened using electronic medical record data. Results: We evaluated 451 patients in the elderly group aged 65–74 years and 159 patients in the very elderly group over 75 years old. Baseline cholesterol profiles were similar between the 2 groups, but the 10-year atherosclerotic cardiovascular disease (ASCVD) risk was significantly higher in the very elderly (20.9 ± 11.5% vs. 37.2 ± 13.6%, p < 0.001). The reduction rate of low-density lipoprotein (LDL) (–40.2 ± 21.3% vs. –39.3 ± 21.0%, p = 0.634) and the ratio of target LDL attainment (74.2 vs. 79.2%, p = 0.252) were similar between the 2 groups. Low-intensity statins showed comparable LDL cholesterol reduction with moderate-intensity statins both in the elderly and the very elderly groups. The 10-year ASCVD risk reduction was similar between the 2 groups (–3.5 ± 4.9% vs. –3.0 ± 8.4%, p = 0.480), but in the very elderly group, no different ASCVD reduction rate was shown in low- to high-intensity statins (p = 0.784). Only the elderly group showed a significant correlation (r = 0.112, p = 0.017) with LDL reduction and 10-year ASCVD risk. Interestingly, the incidence of adverse drug reaction (ADR) was higher in the very elderly group (4.4%) than in the elderly group (2.7%) and was more frequent in high-intensity statin therapy. Conclusion: The efficacy of statins in LDL reduction was similar between the elderly and very elderly population. However, the benefit of moderate- to high-intensity statins is limited considering potential ADR. Therefore, the stepwise intensification of statin therapy might be necessary for the very elderly in spite of the higher cardiovascular risk.
| Mualliflar | Ok Sang Lee, Jinlong Zhang, Sunhoi Jung, Hyang Sook Kim, Myung‐Koo Lee, Hae‐Young Lee |
|---|---|
| Jurnal | PULSE |
| Nashr sanasi | 2018-01-01 |
| Jild | 6 |
| Son | 1-2 |
| Betlar | 19-31 |
| Til | en |
| DOI | 10.1159/000485659 |
DOI: 10.1159/000485659 · Maqolaning asl sahifasi
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