Disorders of Micturition

Lorenz, Michael D.

doi:10.1016/b978-1-4377-0651-2.10003-7

Cited by 19 publications

(45 citation statements)

References 56 publications

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“…Upper motor neuron bladder dysfunction may result in overflow incontinence as intraluminal pressures overwhelm the internal and external urethral sphincter . Reflex dyssynergia in male dogs may also be observed with upper motor neuron bladder dysfunction and is characterized by normal initiation of micturition followed by interruption of the urine stream due to involuntary contraction of the urethral sphincter . Patients with reflex dyssnergia will initially have a normal urine stream, followed by short spurts, and then a complete cessation of urine flow .…”

Section: Bladder Managementmentioning

confidence: 84%

“…116 Patients with reflex dyssnergia will initially have a normal urine stream, followed by short spurts, and then a complete cessation of urine flow. 116 Lower motor neuron bladder dysfunction occurs due to lesions involving the sacral spinal cord or nerve roots, or those involving the pelvic or lumbosacral plexus. 114 Patients experiencing lower motor neuron bladder dysfunction have decreased tone of both the detrusor and urethral musculature resulting in a flaccid, easily expressible bladder that overflows with minimal intraluminal pressure.…”

Section: Bladder Managementmentioning

confidence: 99%

“…Reflex dyssynergia in male dogs may also be observed with upper motor neuron bladder dysfunction and is characterized by normal initiation of micturition followed by interruption of the urine stream due to involuntary contraction of the urethral sphincter . Patients with reflex dyssnergia will initially have a normal urine stream, followed by short spurts, and then a complete cessation of urine flow . Lower motor neuron bladder dysfunction occurs due to lesions involving the sacral spinal cord or nerve roots, or those involving the pelvic or lumbosacral plexus .…”

Section: Bladder Managementmentioning

confidence: 99%

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Mechanisms of injury and emergency care of acute spinal cord injury in dogs and cats

Park

White

Tieber

2012

J Vet Emergen Crit Care

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The prognosis for acute spinal injury is varied and is dependent upon the presence of concurrent trauma, location, and type of primary injury sustained, and extent of neurologic impairment at the time of initial presentation. The etiology of the underlying trauma is of great importance in determining prognosis and outcome. Loss of deep pain is generally accepted as a poor prognostic indicator; however, even these patients can recover depending on their response to treatment.

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Section: Bladder Managementmentioning

confidence: 84%

Section: Bladder Managementmentioning

confidence: 99%

Section: Bladder Managementmentioning

confidence: 99%

See 1 more Smart Citation

Mechanisms of injury and emergency care of acute spinal cord injury in dogs and cats

Park

White

Tieber

2012

J Vet Emergen Crit Care

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“…The coordinated and sustained contraction of the detrusor muscle and simultaneous relaxation of the urethral smooth and skeletal muscles represent the micturition ‘reflex ’ . 7 The micturition ‘reflex’ requires complex integration of sensory and motor parasympathetic, sympathetic and somatic pathways extending from the sacral segments to the cerebral cortex. 7 The pontine micturition centres coordinate and control sphincter relaxation and detrusor contraction.…”

Section: Discussionmentioning

confidence: 99%

“…7 The micturition ‘reflex’ requires complex integration of sensory and motor parasympathetic, sympathetic and somatic pathways extending from the sacral segments to the cerebral cortex. 7 The pontine micturition centres coordinate and control sphincter relaxation and detrusor contraction. 4 In particular, neurons located in the medial region of the dorsum of the pons, called the ‘M-region’, send their axons to the sacral spinal cord to excite the parasympathetic motor neurons and indirectly inhibit the somatic motor neurons in the Onuf’s nucleus, facilitating bladder voiding.…”

Section: Discussionmentioning

confidence: 99%

Neurogenic urinary retention in cats following severe cluster seizures

Balducci¹,

Risio

Shea

et al. 2016

Journal of Feline Medicine and Surgery

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Case series summary Four cats that presented with severe cluster seizures developed neurogenic urinary retention in the postictal phase. None of the cats had previous seizures. Micturition was reported as normal in all cats for 3 or more years before seizure onset. All cats required a continuous rate infusion of propofol to control the seizure activity. In all cats manual bladder expression was performed every 8 h until recovery of normal micturition. One cat was started on phenoxybenzamine to reduce internal urethral sphincter tone. All cats recovered normal micturition within 4 weeks of the last cluster of seizures. Relevance and novel information Transient neurogenic urinary retention has not previously been reported in cats or dogs following severe cluster seizures. Urinary retention should be considered a potential postictal deficit, requiring prompt recognition and treatment to avoid urinary tract infection and detrusor muscle atony.

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Schiff–Sherrington phenomenon in a cat with complete spinal cord transection from traumatic dorsocranial luxation of the second lumbar vertebra

Holland

2023

Veterinary Medicine & Sci

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A young stray entire female domestic shorthair cat was presented with symmetrical forelimb extensor rigidity, neck hyperextension and hindlimb paraplegia, characteristic of Schiff–Sherrington phenomenon (SSP), within 30 min of a motor vehicle accident. Radiographic and post‐mortem studies disclosed complete transection of the spinal cord from traumatic dorsocranial luxation of the second lumbar vertebra, displacement of the sacrum from the ilium, seventh lumbar and first caudal vertebrae and multiple pelvic fractures. Other causes of forelimb extensor rigidity and neck hyperextension such as decerebrate and decerebellate rigidity were excluded by a lack of neurological signs consistent with these entities and unremarkable findings on post‐mortem examination of the cranial cavity and brain and histological examination of the cerebrum, brainstem and cerebellum. To the best of the author's knowledge, this is the first report of SSP in the cat outside the experimental arena of decerebrate or non‐decerebrate preparations following post‐brachial spinal cord transection/cold block.

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Disorders of Micturition

Cited by 19 publications

References 56 publications

Mechanisms of injury and emergency care of acute spinal cord injury in dogs and cats

Mechanisms of injury and emergency care of acute spinal cord injury in dogs and cats

Neurogenic urinary retention in cats following severe cluster seizures

Schiff–Sherrington phenomenon in a cat with complete spinal cord transection from traumatic dorsocranial luxation of the second lumbar vertebra

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