Urinary stress incontinence. A urodynamic and quantitative electromyographic study of the perineal muscles

Aanestad, Öystein; Flink, Roland

doi:10.1080/j.1600-0412.1999.780313.x

Cited by 15 publications

(5 citation statements)

References 13 publications

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“…In humans, to diagnose and investigate SUI, various urodynamic techniques have been developed [19,20]. UP measurements, predicting urethral function, combined with sLPP test, reflecting urethral resistance, under sneeze reflex were sensitive and selective enough to evaluate cat urinary continence function after neural lesion.…”

Section: Discussionmentioning

confidence: 99%

Peripheral neural lesion‐induced stress urinary incontinence in anaesthetized female cats

Bernabé¹,

Julia-Guilloteau²,

Denys

et al. 2008

BJU International

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OBJECTIVES To characterize the effect of acute unilateral and bilateral lesion of the pelvic and pudendal nerves, and nerves innervating the iliococcygeous and pubococcygeous muscles during sneezing in anaesthetized female cats, on intravesical pressure (IVP), urethral pressure (UPs) and external urethral sphincter (EUS) activity. MATERIALS AND METHODS In seven anaesthetized female cats UPs along the urethra (UPs1–4) and IVPs were recorded in the emptied bladder during sneezing before and after unilateral and then bilateral peripheral neural lesions. UPs were measured using microtip transducer catheters with UP4 positioned in the distal urethra where the EUS is located. Urine leakage was also noted, after urethral catheter removal and bladder filling. RESULTS During sneezing, in intact cats, the magnitude of UP4 was larger than those of IVP and UPs1–3. The area under the curve of both anal sphincter and EUS electromyography was increased. There was no urine leakage. After unilateral neural lesions, the mean magnitude of response was similar all along the urethra and in the bladder. The distal UP response was significantly lower than that recorded in intact cats. In addition, there was urine leakage in six of the seven cats. Bilateral neural lesions caused permanent urine leakage and significant decreases in all the UP responses. CONCLUSION In female cats, during sneezing, neurally driven reflex contractions of EUS leading to an increase in distal UP contribute to active urethral closure mechanisms and ensure urinary continence.

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Section: Discussionmentioning

confidence: 99%

Peripheral neural lesion‐induced stress urinary incontinence in anaesthetized female cats

Bernabé¹,

Julia-Guilloteau²,

Denys

et al. 2008

BJU International

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“…Significant changes in MUAP morphology have been reported after vaginal childbirth by multiple authors [ 183 – 185 ]. Needle EMG of the levator ani and external anal sphincter muscles has shown EMG evidence of denervation with reinnervation in women with stress urinary incontinence and pelvic organ prolapse [ 185 , 186 ]. Two studies have used quantitative CNE of the urethral sphincter in women undergoing continence surgery [ 187 , 188 ].…”

Section: Electromyographymentioning

confidence: 99%

Evaluation and outcome measures in the treatment of female urinary stress incontinence: International Urogynecological Association (IUGA) guidelines for research and clinical practice

et al. 2007

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“…However, electrophysiological studies have concentrated on motor, rather than sensory, innervation [5][6][7]. Actually, the role of urethral sensation dysfunction in urinary sphincteric abnormalities is unknown.…”

Section: Introductionmentioning

confidence: 99%

Urethral sensory threshold and urethro-anal reflex latency in continent women

et al. 2007

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The measurement of the urethral sensory threshold and urethro-anal reflex latency presented consistent recordings. The urethral sensory threshold should be analyzed carefully in individuals with height above the population average. Subsequent observations are necessary to clarify their function in patients with continence disturbances and to measure the urethral function, but these values can be used as normal parameters for comparison.

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Urinary stress incontinence. A urodynamic and quantitative electromyographic study of the perineal muscles

Cited by 15 publications

References 13 publications

Peripheral neural lesion‐induced stress urinary incontinence in anaesthetized female cats

Peripheral neural lesion‐induced stress urinary incontinence in anaesthetized female cats

Evaluation and outcome measures in the treatment of female urinary stress incontinence: International Urogynecological Association (IUGA) guidelines for research and clinical practice

Urethral sensory threshold and urethro-anal reflex latency in continent women

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