The purpose of this study is to investigate the impact of 200 U intradetrusor injected OnabotulinumtoxinA (Botox®, Allergan, Inc.) (20 sites, trigone sparing) for neurogenic detrusor overactivity (NDO) and its role on reducing autonomic dysreflexia (AD) in those with chronic, traumatic spinal cord injury (SCI). In clinical practice, urinary bladder dysfunctions are commonly associated with episodes of AD. If AD is misdiagnosed or poorly managed, it may result in myocardial infarction, stroke, seizure, intracerebral hemorrhaging or even death. Reducing AD would dramatically improve the health and well-being of Canadians with SCI, and positively impact health care costs. There are an estimated 7,343 hospital re-admissions due to SCI-related conditions in Canada every year, with an estimated 5-year cost of $661 million. Reducing hospital re-admissions for secondary complications of SCI by only 10% over this time period could result in a costs savings of $66 million for Canada. Considering these statistics, the present study could be a first attempt to evaluate the economic impact of using Botox® to manage the urinary bladder following SCI. We will be able to examine its impact on episodes of AD and consequently calculate the cost saving for the Canadian health system. A significant number of individuals with SCI will require frequent emergency room visits due to episodes of uncontrolled AD that originate predominately from the urinary bladder. There is clinical evidence demonstrating that costs of bladder management following SCI will depend on the understanding of the volumes that the urinary bladder can safely hold. This is one of the positive outcomes that have been established in previous trials of Botox® therapy for the neurogenic bladder. Hypothesis: 200 U of intradetrusor injected Botox® (20 sites, trigone sparing) for neurogenic bladder detrusor hyperreflexia will decrease the severity of AD in individuals with SCI one month following treatment.
Age range
18 Years – 65 Years
Sex
ALL
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Assess the efficacy of 200 U BOTOX® intradetrusor injections on amelioration of episodes of autonomic dysreflexia (AD) in individuals with chronic spinal cord injury during urodynamics (i.e. one month following treatment compared to baseline assessment)
Timeframe: One month