Urological Management of the Spinal Cord-Injured Patient: Suggestions for Improving Intermittent Catheterization and Reflex Voiding

Spinal cord injury can either be complete with no neural communication across the injury level or incomplete with limited communication. Similarly, motor neuron injuries above the sacral spinal cord are classified as upper motor neuron injuries, while those inside the sacral cord are classified as l...

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Main Authors: James Walter, John Wheeler, Raymond Dieter, Brandon Piyevsky, Aasma Khan
Format: Article
Language:English
Published: MDPI AG 2022-11-01
Series:Uro
Subjects:
Online Access:https://www.mdpi.com/2673-4397/2/4/28
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author James Walter
John Wheeler
Raymond Dieter
Brandon Piyevsky
Aasma Khan
author_facet James Walter
John Wheeler
Raymond Dieter
Brandon Piyevsky
Aasma Khan
author_sort James Walter
collection DOAJ
description Spinal cord injury can either be complete with no neural communication across the injury level or incomplete with limited communication. Similarly, motor neuron injuries above the sacral spinal cord are classified as upper motor neuron injuries, while those inside the sacral cord are classified as lower motor neuron injuries. Specifically, we provide recommendations regarding the urological management of complete upper motor neuron spinal cord injuries; however, we also make limited comments related to other injuries. The individual with a complete upper motor neuron injury may encounter five lower urinary tract conditions: <i>first</i>, neurogenic detrusor overactivity causing urinary incontinence; <i>second</i>, neurogenic detrusor underactivity resulting in high post-void residual volumes; <i>third</i>, detrusor sphincter dyssynergia, which is contraction of striated and/or smooth muscle urethral sphincters during detrusor contractions; <i>fourth</i>, urinary tract infection; and <i>fifth</i>, autonomic dysreflexia during detrusor contractions, which produces high blood pressure as well as smooth muscle detrusor sphincter dyssynergia. Intermittent catheterization is the recommended urinary management method because it addresses the five lower urinary tract conditions and has good long-term outcomes. This method uses periodic catheterizations to drain the bladder, but also needs bladder inhibitory interventions to prevent urinary incontinence between catheterizations. Primary limitations associated with this management method include difficulties with the multiple catheterizations, side effects of bladder inhibitory medications, and urinary tract infections. Three suggestions to address these concerns include the use of low-friction catheters, wireless, genital-nerve neuromodulation for bladder inhibition, and consideration of urine egress into the urethra as a risk factor for UTI as well as egress treatment. The second management method is reflex voiding. This program uses external condoms for urine collection in males and diapers for females. Suprapubic tapping is used to promote bladder contractions. This method is not recommended because it has high rates of medical complications. In particular, it is associated with high detrusor pressure, which can lead to ureteral reflux and kidney pathology. Botulinum toxin injection into the urethral striated sphincter can manage detrusor sphincter dyssynergia, reduce voiding pressures, and risks to the kidney. We suggest a modified method for botulinum toxin injections as well as five additional methods to improve reflex voiding outcomes. Finally, the use of intermittent catheterization and reflex voiding for individuals with incomplete spinal injuries, lower motor neuron injuries and multiple scleroses are briefly discussed.
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spelling doaj.art-1a6071a7da8a48d7846a9e95945bd6df2023-11-24T18:30:28ZengMDPI AGUro2673-43972022-11-012425426110.3390/uro2040028Urological Management of the Spinal Cord-Injured Patient: Suggestions for Improving Intermittent Catheterization and Reflex VoidingJames Walter0John Wheeler1Raymond Dieter2Brandon Piyevsky3Aasma Khan4Department of Urology, Loyola Medical Center, Maywood, IL 60153, USADepartment of Urology, Loyola Medical Center, Maywood, IL 60153, USAResearch Service, Hines VA Hospital, Hines, IL 60141, USABoonshoft School of Medicine, Wright State University, Fairborn, OH 45435, USADepartment of Psychology, Chicago State University, Chicago, IL 60628, USASpinal cord injury can either be complete with no neural communication across the injury level or incomplete with limited communication. Similarly, motor neuron injuries above the sacral spinal cord are classified as upper motor neuron injuries, while those inside the sacral cord are classified as lower motor neuron injuries. Specifically, we provide recommendations regarding the urological management of complete upper motor neuron spinal cord injuries; however, we also make limited comments related to other injuries. The individual with a complete upper motor neuron injury may encounter five lower urinary tract conditions: <i>first</i>, neurogenic detrusor overactivity causing urinary incontinence; <i>second</i>, neurogenic detrusor underactivity resulting in high post-void residual volumes; <i>third</i>, detrusor sphincter dyssynergia, which is contraction of striated and/or smooth muscle urethral sphincters during detrusor contractions; <i>fourth</i>, urinary tract infection; and <i>fifth</i>, autonomic dysreflexia during detrusor contractions, which produces high blood pressure as well as smooth muscle detrusor sphincter dyssynergia. Intermittent catheterization is the recommended urinary management method because it addresses the five lower urinary tract conditions and has good long-term outcomes. This method uses periodic catheterizations to drain the bladder, but also needs bladder inhibitory interventions to prevent urinary incontinence between catheterizations. Primary limitations associated with this management method include difficulties with the multiple catheterizations, side effects of bladder inhibitory medications, and urinary tract infections. Three suggestions to address these concerns include the use of low-friction catheters, wireless, genital-nerve neuromodulation for bladder inhibition, and consideration of urine egress into the urethra as a risk factor for UTI as well as egress treatment. The second management method is reflex voiding. This program uses external condoms for urine collection in males and diapers for females. Suprapubic tapping is used to promote bladder contractions. This method is not recommended because it has high rates of medical complications. In particular, it is associated with high detrusor pressure, which can lead to ureteral reflux and kidney pathology. Botulinum toxin injection into the urethral striated sphincter can manage detrusor sphincter dyssynergia, reduce voiding pressures, and risks to the kidney. We suggest a modified method for botulinum toxin injections as well as five additional methods to improve reflex voiding outcomes. Finally, the use of intermittent catheterization and reflex voiding for individuals with incomplete spinal injuries, lower motor neuron injuries and multiple scleroses are briefly discussed.https://www.mdpi.com/2673-4397/2/4/28lower urinary tracturinary incontinenceurinary tract infectionsdetrusor sphincter dyssynergiaspinal cord injuryneurogenic detrusor overactivity
spellingShingle James Walter
John Wheeler
Raymond Dieter
Brandon Piyevsky
Aasma Khan
Urological Management of the Spinal Cord-Injured Patient: Suggestions for Improving Intermittent Catheterization and Reflex Voiding
Uro
lower urinary tract
urinary incontinence
urinary tract infections
detrusor sphincter dyssynergia
spinal cord injury
neurogenic detrusor overactivity
title Urological Management of the Spinal Cord-Injured Patient: Suggestions for Improving Intermittent Catheterization and Reflex Voiding
title_full Urological Management of the Spinal Cord-Injured Patient: Suggestions for Improving Intermittent Catheterization and Reflex Voiding
title_fullStr Urological Management of the Spinal Cord-Injured Patient: Suggestions for Improving Intermittent Catheterization and Reflex Voiding
title_full_unstemmed Urological Management of the Spinal Cord-Injured Patient: Suggestions for Improving Intermittent Catheterization and Reflex Voiding
title_short Urological Management of the Spinal Cord-Injured Patient: Suggestions for Improving Intermittent Catheterization and Reflex Voiding
title_sort urological management of the spinal cord injured patient suggestions for improving intermittent catheterization and reflex voiding
topic lower urinary tract
urinary incontinence
urinary tract infections
detrusor sphincter dyssynergia
spinal cord injury
neurogenic detrusor overactivity
url https://www.mdpi.com/2673-4397/2/4/28
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