OBJECTIVETo compare two methods of assessing physical activity in pre-, peri- and
postmenopausal women.METHODSCross-sectional study nested in a cohort of pre-, peri- and postmenopausal
women in a city in Southern Brazil. The participants completed a
questionnaire that included sociodemographic and clinical data. Physical
activity was assessed using a digital pedometer and the International
Physical Activity Questionnaire, short version. The participants were
classified into strata of physical activity according to the instrument
used. For statistical analysis, the Spearman correlation test, Kappa index,
concordance coefficient and Bland-Altman plots were used.RESULTSThe concordance (k = 0110; p = 0.007) and the correlation (rho = 0.136, p =
0.02) between the International Physical Activity Questionnaire, short
version, and pedometer were weak. In Bland-Altman plots, it was observed
that differences deviate from zero value whether the physical activity is
minimal or more intense. Comparing the two methods, the frequency of
inactive women is higher when assessed by pedometer than by the
International Physical Activity Questionnaire - short version, and the
opposite occurs in active women.CONCLUSIONSAgreement between the methods was weak. Although easy to use, Physical
Activity Questionnaire - short version overestimates physical activity
compared with assessment by pedometer.
The authors describe an anomalous post-infarctual evolution, already revealed by Sotgiu in 1959 and defined the’ postinfarctual anedematous syndrome’ (SAPI). The syndrome, present in about 12% of MI, demonstrates a clinical picture characterized by a global hypometabolism, absence of edema and state of continuous sub-collapse; an endocrine picture characterized by a corticomedullary adrenal, thyroid and hypophisis hypoactivity. The results confirm that, in contrast to other myocardial infarction cases, in patients with SAPI low values of cortisol, aldosterone and catecholamines exist, with alteration of the glycocorticoid and adrenergic amine circadian-biorhythm. The pharmacodynamic tests, demonstrating the integrity of the adrenal gland, have revealed an alteration of the hypothalamic-pituitary function. According to the authors, the occurrence of SAPI might be interpreted on the basis of a particular vulnerability of the hypothalamic-pituitary system (often depending upon the senile age of the subjects) which is probably amplified by the stress created by the myocardial necrosis.
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