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Research Question:
The association between fish consumption and getting heart failure (HF) is inconsistent. It was therefore carried out this review article.

Study Design:
This overview article contained 5 prospective cohort studies (between 1953 until June 2012) with 170231 participants, of which 4750 people with heart failure. The average follow-up period was 9.7 years.

Results and conclusions:
The researchers found that eating 5 times fish per week or more, the chance of getting heart failure significantly with 14% [95% CI = 0.84-0.99] reduced. Significant is, there is a link at a 95% reliability.

The researchers found that eating fish 2-4 times a week, the chance of getting heart failure significantly with 13% [95% CI = 0.81-0.95] reduced.

The researchers found that eating fish once a week, the chance of getting heart failure significantly with 9% [95% CI = 0.84-0.99] reduced.

The researchers found that eating fish 1-3 times per month, the chance of getting heart failure non-significant with 1% [95% CI = 0.91-1.08] reduced. Non-significant is, there is no link to a 95% reliability.

The researchers found that every increase of 20 grams of fish per day, the chance of getting heart failure significantly with 6% [95% CI = 0.90-0.97, p for trend = 0.001] reduced.

The researchers concluded that eating fish at least once a week reduced the chance of getting heart failure and that each 20 grams of fish per day, the chance of getting heart failure reduced by 6%.

Original title:
Fish consumption and incidence of heart failure: a meta-analysis of prospective cohort studies by Li YH, Zhou CH, [...], Hui RT.

Link:
http://www.ncbi.nlm.nih.gov/pubmed/23489806

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