ArticleHeart and vessels2021
Impact of malondialdehyde-modified low-density lipoprotein on clinical outcomes after fractional flow reserve-guided deferral of revascularization.
Article in Heart and vessels, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors at 1 institution in 1 country.
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Abstract
Cardiovascular events can occur after deferred revascularization, and malondialdehyde-modified low-density lipoprotein (MDA-LDL) has been suggested to be an atherogenic marker. We investigated the relationship between serum MDA-LDL levels and clinical outcomes in patients with fractional flow reserve (FFR)-guided deferral of revascularization. Among 3084 patients undergoing coronary angiography, we retrospectively analyzed 127 patients with intermediate stenosis and deferred revascularization based on FFR > 0.80. Median follow-up interval was 30.4 months, and serum MDA-LDL was measured prior to the measurement of FFR. We evaluated the composite of major adverse cardiac events (MACEs), including cardiac death, myocardial infarction, ischemia-driven deferred lesion revascularization, and any revascularization. MACEs occurred in 18 (14.2%) patients. The MACE group presented with significantly higher MDA-LDL levels than the non-MACE group (134.9 ± 33.3 U/L vs. 95.6 ± 32.2 U/L, P < 0.001). In analysis of the receiver operating characteristics curve for the prediction of MACEs, MDA-LDL presented a significantly larger area under the curve than low-density lipoprotein-cholesterol (LDL-C; 0.810 vs. 0.687, P = 0.042). Univariate Cox regression analysis indicated a significant relationship between MACEs and MDA-LDL (per 10 U/L, HR 1.20; P = 0.004), as did the multivariate model (per 10 U/L, HR 1.17; P = 0.019). When compared according to the median LDL-C (98 mg/dL), the MACE group had significantly higher MDA-LDL in both the high (147.2 ± 27.3 U/L vs. 113.9 ± 31.2 U/L, P = 0.001) and low (103.2 ± 27.3 U/L vs. 80.2 ± 24.0 U/L, P = 0.045) LDL-C groups. Serum MDA-LDL levels were associated with cardiac events in patients with deferral of revascularization based on FFR.
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