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The nerves that control one's ability to have a reflex erection are located in the sacral nerves (S2-S4) of the spinal cord. [8] Evidence supporting the possibility that a full bladder can stimulate an erection has existed for some time and is characterized as a 'reflex erection'. [9] A full bladder is known to mildly stimulate nerves in the ...
While spinal cord injury is a broad and widely-encompassing term, root stimulators may be used for many instances of SCIs. [3] For example, certain cases of spinal cord injuries may sever key nerves necessary to maintain bladder and bowel control. The severance is often the cause of Neurogenic Bowel Dysfunction. [9]
Neurogenic bladder dysfunction, often called by the shortened term neurogenic bladder, refers to urinary bladder problems due to disease or injury of the central nervous system or peripheral nerves involved in the control of urination. [1] [2] There are multiple types of neurogenic bladder depending on the underlying cause and the symptoms.
The parasympathetic nerve supply comes from the parasympathetic preganglionic neurons in the sacral spinal cord and also terminates in the longitudinal and circular smooth muscle layers. Finally the somatic nerve supply arises from the urethral sphincter motor neurons in the ventral horn of the sacral spinal cord; better known as Onuf's nucleus.
Bladder sphincter dyssynergia (also known as detrusor sphincter dyssynergia (DSD) (the ICS standard terminology agreed 1998) [1] and neurogenic detrusor overactivity (NDO)) is a consequence of a neurological pathology such as spinal injury [2] or multiple sclerosis [3] which disrupts central nervous system regulation of the micturition (urination) reflex resulting in dyscoordination of the ...
From 1969 onwards Giles Brindley [1] developed the sacral anterior root stimulator, with successful human trials from the early 1980s onwards. Although both sphincter and detrusor muscles are stimulated at the same time, the slower contraction kinetics of the bladder wall (smooth muscle tissue) compared to the sphincter (striated muscle tissue) mean that voiding occurs between the stimulation ...
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Many studies have been initiated using the sacral nerve stimulation (SNS) technique to treat patients that suffer with urinary problems. [citation needed] When applying this procedure, proper patient screening is essential, because some disorders that affect the urinary tract (like bladder calculus or carcinoma in-situ) have to be treated differently.
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