Resumen

CORTES BARRAGAN, Rosana et al. Systematic review and evidence on occupational noise exposure and extra-auditory effects of cardiovascular nature. Med. segur. trab. [online]. 2009, vol.55, n.215, pp.28-51. ISSN 1989-7790.

Review aimed to identify the level of scientific evidence about the relationship between cardiovascular diseases and occupational noise exposure, by a systematic analysis of the scientific literature published between 1995 and 2008. "Major Topic" and "MeSH" terms for MEDLINE and "Decriptors" for OSH update was used for the search of references. We retrieved a total of 236 references. Experimental studies, cohort studies and case control studies were all included in the review and those cross-sectional studies with at least five of the nine criteria from the STROBE declaration provides for observational studies. 23 articles were selected for full text review: 12 cross-sectional studies, 7 cohort studies, two case control studies, 1 meta-analysis and 1 experimental study. The evidence level was performed according to SIGN criteria. The selection and review of articles was done by peer review, cases of disagreement between pairs was resolved by consensus. Our review found a higher level of evidence (1++) for increasing blood pressure and increased heart rate and occupational noise exposure. Studies with a level of evidence 2++ show results in the same direction. Ischemic heart disease, myocardial infarction and coronary diseases show a level of evidence 2++. Metabolic changes of lipid parameters and vascular abnormalities have a low level of evidence³. Noise control in working environments is a measure for cardiovascular risk prevention. Hypertension, coronary risk and other cardiovascular diseases should be considered in medical surveillance practice of workers exposed to noise.

Palabras clave : Noise; occupational health; cardiovascular disease; blood pressure.

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