Cardiovascular response to functional electrical stimulation and dynamic tilt table therapy to improve orthostatic tolerance☆ Export

@article{citeulike:4934043, abstract = {Orthostatic hypotension is a common condition for individuals with stroke or spinal cord injury. The inability to regulate the central nervous system will result in pooling of blood in the lower extremities leading to orthostatic intolerance. This study compared the use of functional electrical stimulation (FES) and passive leg movements to improve orthostatic tolerance during head-up tilt. Four trial conditions were assessed during head-up tilt: (1) rest, (2) isometric FES of the hamstring, gastrocnemius and quadriceps muscle group, (3) passive mobilization using the Erigo dynamic tilt table; and (4) dynamic FES (combined 2 and 3). Ten healthy male subjects experienced 70° head-up tilt for 15 min under each trial condition. Heart rate, blood pressure and abdominal echograms of the inferior vena cava were recorded for each trial. Passive mobilization and dynamic FES resulted in an increase in intravascular blood volume, while isometric FES only resulted in elevating heart rate. No significant differences in blood pressure were observed under each condition. We conclude that FES combined with passive stepping movements may be an effective modality to increase circulating blood volume and thereby tolerance to postural hypotension in healthy subjects.}, author = {Chi, L. and Masani, K. and Miyatani, M. and Adamthrasher, T. and Waynejohnston, K. and Mardimae, A. and Kessler, C. and Fisher, J. and Popovic, M.}, citeulike-article-id = {4934043}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/j.jelekin.2008.08.007}, citeulike-linkout-1 = {http://linkinghub.elsevier.com/retrieve/pii/S1050641108001260}, citeulike-linkout-2 = {http://view.ncbi.nlm.nih.gov/pubmed/18835189}, citeulike-linkout-3 = {http://www.hubmed.org/display.cgi?uids=18835189}, doi = {10.1016/j.jelekin.2008.08.007}, issn = {10506411}, journal = {Journal of Electromyography and Kinesiology}, keywords = {autonomic-nervous-system, cardiovascular\_response, hypotension, leg\_movements, spinal\_cord\_injury}, month = {December}, number = {6}, pages = {900--907}, posted-at = {2009-11-11 14:46:48}, priority = {5}, title = {Cardiovascular response to functional electrical stimulation and dynamic tilt table therapy to improve orthostatic tolerance☆}, url = {http://dx.doi.org/10.1016/j.jelekin.2008.08.007}, volume = {18}, year = {2008} }

TY - JOUR ID - citeulike:4934043 L3 - citeulike-article-id:4934043 N2 - Orthostatic hypotension is a common condition for individuals with stroke or spinal cord injury. The inability to regulate the central nervous system will result in pooling of blood in the lower extremities leading to orthostatic intolerance. This study compared the use of functional electrical stimulation (FES) and passive leg movements to improve orthostatic tolerance during head-up tilt. Four trial conditions were assessed during head-up tilt: (1) rest, (2) isometric FES of the hamstring, gastrocnemius and quadriceps muscle group, (3) passive mobilization using the Erigo dynamic tilt table; and (4) dynamic FES (combined 2 and 3). Ten healthy male subjects experienced 70° head-up tilt for 15 min under each trial condition. Heart rate, blood pressure and abdominal echograms of the inferior vena cava were recorded for each trial. Passive mobilization and dynamic FES resulted in an increase in intravascular blood volume, while isometric FES only resulted in elevating heart rate. No significant differences in blood pressure were observed under each condition. We conclude that FES combined with passive stepping movements may be an effective modality to increase circulating blood volume and thereby tolerance to postural hypotension in healthy subjects. IS - 6 JF - Journal of Electromyography and Kinesiology SN - 10506411 EP - 907 TI - Cardiovascular response to functional electrical stimulation and dynamic tilt table therapy to improve orthostatic tolerance☆ VL - 18 SP - 900 KW - autonomic-nervous-system KW - cardiovascular_response KW - hypotension KW - leg_movements KW - spinal_cord_injury AU - Chi, L AU - Masani, K AU - Miyatani, M AU - Adamthrasher, T AU - Waynejohnston, K AU - Mardimae, A AU - Kessler, C AU - Fisher, J AU - Popovic, M PY - 2008/12// UR - http://dx.doi.org/10.1016/j.jelekin.2008.08.007 ER -