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Folate and vitamin B(6) intake and risk of acute myocardial infarction in Italy.
Eur J Clin Nutr. 2004 Sep; 58(9):1266-72.EJ

Abstract

BACKGROUND

Folate and vitamin B6 intake has been associated with reduced risk of coronary heart disease, but studies are not consistent.

OBJECTIVE

The relation between folate and vitamin B6 intake and the risk of acute myocardial infarction (AMI) was assessed in a Mediterranean population.

DESIGN

A hospital-based case-control study was conducted in Milan, Italy, between 1995 and 1999. Information was collected by interviewer-administered questionnaires. Adjusted odds ratios (ORs) and 95% confidence intervals (CI) were obtained by multiple logistic regression models.

SUBJECTS

Cases were 507 patients with a first episode of nonfatal AMI, and controls were 478 patients admitted to hospital for acute conditions.

RESULTS

Compared to patients in the lowest tertile of intake, the ORs for those in the highest tertile were 0.56 (95% CI 0.35-0.88) for folate and 0.34 (95% CI 0.19-0.60) for vitamin B6. The OR was consistently below unity in strata of sex, age, alcohol, methionine, tobacco smoking, coffee, hypertension and family history of AMI; the inverse association was apparently stronger for vitamin B6 in regular alcohol drinkers than in no or occasional drinkers. Compared to subjects with a low intake of both micronutrients, the OR was 0.29 for those with a high intake of both. Compared to subjects reporting no or occasional alcohol drinking and low methionine and folate intake, the OR was 0.28 in regular drinkers with high methionine and high folate intake. The corresponding value for vitamin B6 was 0.25.

CONCLUSIONS

A high intake of folates, vitamin B6 and their combination is inversely associated with AMI risk.

SPONSORSHIP

Partly supported by "Ministero della Salute" (Contract No. 177, RF 2001).

Authors+Show Affiliations

Istituto di Ricerche Farmacologiche "Mario Negri", Milan, Italy. tavani@marionegri.itNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

15054443

Citation

Tavani, A, et al. "Folate and Vitamin B(6) Intake and Risk of Acute Myocardial Infarction in Italy." European Journal of Clinical Nutrition, vol. 58, no. 9, 2004, pp. 1266-72.
Tavani A, Pelucchi C, Parpinel M, et al. Folate and vitamin B(6) intake and risk of acute myocardial infarction in Italy. Eur J Clin Nutr. 2004;58(9):1266-72.
Tavani, A., Pelucchi, C., Parpinel, M., Negri, E., & La Vecchia, C. (2004). Folate and vitamin B(6) intake and risk of acute myocardial infarction in Italy. European Journal of Clinical Nutrition, 58(9), 1266-72.
Tavani A, et al. Folate and Vitamin B(6) Intake and Risk of Acute Myocardial Infarction in Italy. Eur J Clin Nutr. 2004;58(9):1266-72. PubMed PMID: 15054443.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Folate and vitamin B(6) intake and risk of acute myocardial infarction in Italy. AU - Tavani,A, AU - Pelucchi,C, AU - Parpinel,M, AU - Negri,E, AU - La Vecchia,C, PY - 2004/4/1/pubmed PY - 2005/3/4/medline PY - 2004/4/1/entrez SP - 1266 EP - 72 JF - European journal of clinical nutrition JO - Eur J Clin Nutr VL - 58 IS - 9 N2 - BACKGROUND: Folate and vitamin B6 intake has been associated with reduced risk of coronary heart disease, but studies are not consistent. OBJECTIVE: The relation between folate and vitamin B6 intake and the risk of acute myocardial infarction (AMI) was assessed in a Mediterranean population. DESIGN: A hospital-based case-control study was conducted in Milan, Italy, between 1995 and 1999. Information was collected by interviewer-administered questionnaires. Adjusted odds ratios (ORs) and 95% confidence intervals (CI) were obtained by multiple logistic regression models. SUBJECTS: Cases were 507 patients with a first episode of nonfatal AMI, and controls were 478 patients admitted to hospital for acute conditions. RESULTS: Compared to patients in the lowest tertile of intake, the ORs for those in the highest tertile were 0.56 (95% CI 0.35-0.88) for folate and 0.34 (95% CI 0.19-0.60) for vitamin B6. The OR was consistently below unity in strata of sex, age, alcohol, methionine, tobacco smoking, coffee, hypertension and family history of AMI; the inverse association was apparently stronger for vitamin B6 in regular alcohol drinkers than in no or occasional drinkers. Compared to subjects with a low intake of both micronutrients, the OR was 0.29 for those with a high intake of both. Compared to subjects reporting no or occasional alcohol drinking and low methionine and folate intake, the OR was 0.28 in regular drinkers with high methionine and high folate intake. The corresponding value for vitamin B6 was 0.25. CONCLUSIONS: A high intake of folates, vitamin B6 and their combination is inversely associated with AMI risk. SPONSORSHIP: Partly supported by "Ministero della Salute" (Contract No. 177, RF 2001). SN - 0954-3007 UR - https://www.unboundmedicine.com/medline/citation/15054443/Folate_and_vitamin_B_6__intake_and_risk_of_acute_myocardial_infarction_in_Italy_ L2 - http://dx.doi.org/10.1038/sj.ejcn.1601960 DB - PRIME DP - Unbound Medicine ER -