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      Effect of Acute Myocardial Infarction on Cholesterol Ratios

      , , , ,
      Chest
      Elsevier BV

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          Abstract

          In patients with acute myocardial infarctions (MIs), cholesterol levels are no longer valid after 24 h from presentation because acute MI causes a rapid decline in serum levels of total cholesterol, low-density lipoprotein (LDL) cholesterol, and high-density lipoprotein (HDL) cholesterol. The objective of this study was to evaluate the effect of acute MI on the total cholesterol/HDL cholesterol ratio and the LDL cholesterol/HDL cholesterol ratio. The study consisted of 45 patients who were admitted to the hospital with acute MIs. Serum levels of total cholesterol, HDL cholesterol, LDL cholesterol, and triglycerides were determined on day 1 post-MI and day 4 post-MI. The total cholesterol/HDL cholesterol ratio and the LDL cholesterol/HDL cholesterol ratio were calculated. Serum lipid levels and cholesterol ratios were compared between day 1 post-MI and day 4 post-MI. From day 1 post-MI to day 4 post-MI, the mean (+/- SD) serum levels of total cholesterol (188.4 +/- 52.5 vs. 170.5 +/- 57.2 mg/dL, respectively; p = 0.01), LDL cholesterol (120.3 +/- 48.9 vs. 105.9 +/- 43.0 mg/dL, respectively; p = 0.009), and HDL cholesterol (45.0 +/- 18.5 vs 39.3 +/- 16.1 mg/dL, respectively; p < 0.001) decreased, but the mean serum level of triglycerides (119.2 +/- 81.2 vs 149.3 +/- 68.3 mg/dL, respectively; p = 0.006) increased. The cholesterol ratios, however, remained unchanged between day 1 post-MI and day 4 post-MI. The total cholesterol/HDL cholesterol ratio was 4.59 +/- 1.84 on day 1 post-MI and 4.67 +/- 1.77 on day 4 post-MI (change not significant). The LDL cholesterol/HDL cholesterol ratio was 2.96 +/- 1.58 on day 1 post-MI and 2.99 +/- 1.44 on day 4 post-MI (change not significant). Acute MI does not affect the cholesterol ratios. Therefore, when the absolute levels of serum cholesterol are no longer valid (beyond 24 h after an MI), the cholesterol ratios still could be useful for cholesterol risk assessment in patients with acute MIs.

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          Author and article information

          Journal
          Chest
          Chest
          Elsevier BV
          00123692
          October 2001
          October 2001
          : 120
          : 4
          : 1196-1199
          Article
          10.1378/chest.120.4.1196
          11591560
          4be9c32f-1abf-4769-bbaa-b243ed3e83a0
          © 2001

          https://www.elsevier.com/tdm/userlicense/1.0/

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