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Swimming: Effects on Stress Urinary Incontinence and the Expression of Nerve Growth Factor in Rats Following Transabdominal Urethrolysis / 대한배뇨장애요실금학회지
International Neurourology Journal ; : 74-81, 2011.
Article Dans Anglais | WPRIM | ID: wpr-177856
ABSTRACT

PURPOSE:

Stress urinary incontinence (SUI) commonly occurs in women, and it has an enormous impact on quality of life. Surgery, drugs, and exercise have been recommended for the treatment of this disease. Among these, exercise is known to be effective for the relief of symptoms of SUI; however, the efficacy and underlying mechanisms of the effect of exercise on SUI are poorly understood. We investigated the effect of swimming the symptom of SUI in relation to the expression of nerve growth factor (NGF) in rats.

METHODS:

Transabdominal urethrolysis was used to induce SUI, in Sprague-Dawley rats. The experimental groups were divided into the following three groups sham-operation group, transabdominal urethrolysis-induced group, and transabdominal urethrolysis-induced and swimming group. The rats in the swimming group were forced to swim for 30 minutes once daily starting 2 weeks after SUI induction and continuing for 4 weeks. For this study, determination of abdominal leak point pressure and immunohistochemistry for NGF in the urethra and in the neuronal voiding centers (medial preoptic nucleus [MPA], ventrolateral periaqueductal gray [vlPAG], pontine micturition center [PMC], and spinal cord [L4-L5]) were performed.

RESULTS:

Transabdominal urethrolysis significantly reduced the abdominal leak point pressure, thereby contributing to the induction of SUI. Abdominal leak point pressure, however, was significantly improved by swimming. The expression of NGF in the urethra and in the neuronal voiding centers (MPA, vlPAG, PMC, and L4-L5) relating to micturition was enhanced by the induction of SUI. Swimming, however, significantly suppressed SUI-induced NGF expression.

CONCLUSIONS:

Swimming alleviated symptoms of transabdominal urethrolysis-induced SUI, as assessed by an increase in abdominal leak point pressure. The underlying mechanisms of these effects of swimming might be ascribed to the inhibitory effect of swimming on NGF expression.
Sujets)

Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Qualité de vie / Moelle spinale / Natation / Urètre / Incontinence urinaire / Miction / Substance grise centrale du mésencéphale / Immunohistochimie / Rat Sprague-Dawley / Facteur de croissance nerveuse Limites du sujet: Animaux / Femelle / Humains langue: Anglais Texte intégral: International Neurourology Journal Année: 2011 Type: Article

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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Qualité de vie / Moelle spinale / Natation / Urètre / Incontinence urinaire / Miction / Substance grise centrale du mésencéphale / Immunohistochimie / Rat Sprague-Dawley / Facteur de croissance nerveuse Limites du sujet: Animaux / Femelle / Humains langue: Anglais Texte intégral: International Neurourology Journal Année: 2011 Type: Article