Abstract：
PURPOSE:We investigated the effects of group III mechanoreceptors to cardiovascular responses in both pre-menopausal woman and post-menopausal woman during passive ankle dorsiflexion (PAD). METHODS:Twenty healthy volunteers (10 post-menopausal women and 10 pre-menopausal women) were recruited for this study. Stroke volume (SV), heart rate (HR), cardiac output (CO), and total vascular conductances (TVC) were measured continuously throughout the experiment. To stimulate the group III mechanoreceptors, PAD was performed for one minute. RESULTS:The results showed that mean arterial pressure (MAP) mediated by the mechanoreflex activation was significantly increased in both groups. However, this pressor response was significantly higher in post-menopausal women. This reflex significantly increased both SV and CO in pre-menopausal women, while there were no differences in post-menopausal women. There was no difference in HR in either group. The mechanoreflex significantly decreased TVC in post-menopausal woman, while there was no difference in pre-menopausal woman. CONCLUSION:The results indicate that the excessive pressor response mediated by the mechanoreflex occurs due to overactivity of group III mechanorecptors and the mechanism is produced mainly via peripheral vasoconstriction in post-menopausal women.
journal_name
J Korean Acad Nursjournal_title
Journal of Korean Academy of Nursingauthors
Park SA,Kim JKdoi
10.4040/jkan.2011.41.2.191subject
Has Abstractpub_date
2011-04-01 00:00:00pages
191-6issue
2eissn
2005-3673issn
2093-758Xpii
201104191journal_volume
41pub_type
杂志文章abstract：PURPOSE:The purpose of this study was to develop an instrument to measure the parenting behavior of primary caregivers of children in early childhood. METHODS:An instrument was developed according to Devellis's instrument development process. The participants in this study who completed the main survey were 370 mother...
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