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ArtikelEffects of n-3 fatty acids on depressive symptoms and dispositional optimism after myocardial infarction  
Oleh: Giltay, Erik J. ; Geleijnse, Johanna M. ; Kromhout, Daan
Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: The American Journal of Clinical Nutrition vol. 94 no. 06 (Dec. 2011), page 1442-1450 .
Topik: LIPIDS; Myocardial Infarction; MI; Depression
Ketersediaan
  • Perpustakaan FK
    • Nomor Panggil: A07.K.2011.02
    • Non-tandon: 1 (dapat dipinjam: 0)
    • Tandon: tidak ada
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Isi artikelBackground: In patients who have experienced a myocardial infarction (MI), n-3 (omega-3) PUFA status is low, whereas the risk of depression is increased. Objective: The objective was to assess whether the plant-derived a-linolenic acid (ALA) and the fish fatty acids EPA and DHA would improve affective states. Design: In a secondary analysis of the randomized, double-blind, placebo-controlled Alpha Omega Trial, 4116 of 4837 (85.1%) patients (aged 60–80 y; 79.2% men) who had experienced an MI were included. Margarine spreads were used to deliver 400 mg EPA-DHA/d, 2 g ALA/d, both EPA-DHA and ALA, or a placebo for 40 mo. At 40 mo, the endpoints of depressive symptoms (15-item Geriatric Depression Scale) and dispositional optimism (a 4-item questionnaire and the Life Orientation Test–Revised) were analyzed by using a posttest-only design. Results: The 4 randomly assigned groups did not differ in baseline characteristics. ALA supplementation significantly increased plasma cholesteryl ester concentrations of ALA by 69%, and EPA-DHA supplementation increased plasma cholesteryl ester concentrations of EPA and DHA by 61% and 30%, respectively. Depressive symptoms or dispositional optimism did not differ between groups with the use of n-3 fatty acids compared with placebo at the 40-mo follow-up. The standardized mean (±SE) differences in depressive symptoms were as follows: for EPA-DHA plus ALA (n = 1009) compared with placebo (n = 1030), -0.025 ± 0.044 (P = 0.57); for EPA-DHA (n = 1007) compared with placebo, -0.048 ± 0.044 (P = 0.28); and for ALA (n = 1022) compared with placebo, -0.047 ± 0.044 (P = 0.29). Conclusions: In patients who had experienced an MI, low-dose EPA-DHA supplementation, ALA supplementation, or a combination of both did not affect depressive symptoms and dispositional optimism. These findings are in accord with those from previous trials in individuals without psychopathology or without severe depressive symptoms.
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