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Clinical Trial Summary

Individuals with acute cervical spinal cord injury (SCI) can suffer from an excessive and prolonged fall in blood pressure when assuming an upright position, such as transitioning from lying to sitting or standing, a condition also known as orthostatic hypotension (OH). Due to a decrease in cerebral oxygenation, affected individuals can develop debilitating symptoms including lightheadedness, blurred vision, fatigue and even loss of consciousness. Recent evidence suggests that OH has a negative impact on cognition in individuals with SCI. Clinical observations suggest that OH can lead to neurological deterioration in individuals who may otherwise have a stable SCI. The presence of symptomatic OH prevented participation in 43% of physical therapy treatment sessions in a study of individuals with acute SCI despite the use of current treatment options. OH is known to adversely affect health, delay rehabilitation and prolong hospitalization in the acute phase of management of individuals who display it. Our team found OH was present in 41 of 55 (75%) patients with acute cervical SCI at our center in 2004.

We plan to research the efficacy of a low-cost, non-invasive device known as transcranial electrical stimulation (TES) to manage OH in individuals with acute cervical SCI. Previous studies have shown that this device is safe to use in individuals with SCI, and has improved blood pressure control in non-SCI individuals.

We hypothesize that in individuals with acute cervical SCI and OH, TES intervention will elicit an attenuation of the drop in systolic BP (SBP)in response to orthostatic stress. TES-induced differences will be most pronounced in those individuals with sparing of spinal autonomic pathways


Clinical Trial Description

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Study Design


Related Conditions & MeSH terms


NCT number NCT01874782
Study type Interventional
Source University of British Columbia
Contact
Status Completed
Phase Phase 2
Start date May 2013
Completion date July 2015

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