%0 Journal Article %T Alteraci¨®n ortost¨¢tica en mujeres con fibromialgia %A Acosta Hern¨¢ndez %A Reinaldo R. %A Gonz¨¢lez Viera %A Mirelys %A Bringas Amigo %A Sixto Julio %A Stusser Beltranena %A Rodolfo %J Revista Cubana de Medicina %D 2005 %I ECIMED %X fibromyalgia is considered at present a multisystemic disease with a possible dysautonomic pathogeny. the objective of this paper was to determine in the patients from the health area the relation between fibromyalgia (fm) and the alterations of the autonomous nervous system. a one-year prospective cross-sectional case-control study was conducted, percentages were estimated, and an univariant analysis for centralization and dispersion measures, relative risk (rr) and ci 95 %, was made. chi square tests of statistical significance, exact test (fisher) and student's t test were made to study the association between fibromyalgia and dysautonomia in different groups. the mean age of the patients with fm was 46.1 years old and ¡À 1 aged 10.6 , with predominance between 30 and 50 years old. 31 of them (62 %) presented orthostatic hypotension. this finding was highly significant on comparing them with the control group, where it was only observed in 11of the 50 cases (22 %). it was concluded that orthostatic hypotension could be a risk factor for suffering from fm, which would explain the possible pathogenic role of dysautonomia stated in this disease. %K fibromyalgia %K dysautonomia %K obesity. %U http://scielo.sld.cu/scielo.php?script=sci_abstract&pid=S0034-75232005000500004&lng=en&nrm=iso&tlng=en