The Effect of Botulinum Toxin and Resiniferatoxin on the Detrusor Overactivity Induced by Cyclophosphamide in Rat Bladder / 대한비뇨기과학회지
Korean Journal of Urology
;
: 47-54, 2006.
Artigo
em Coreano
| WPRIM
| ID: wpr-110790
ABSTRACT
PURPOSE:
The purpose of this study was to compare the effects of resiniferatoxin (RTX) and botulinum toxin (BTX) on the bladder detrusor function in a cyclophosphamide (CYP)-induced cystitis rat model. MATERIALS ANDMETHODS:
Sprague-Dawley rats were divided into 5 groups (1 saline treated, 2 CYP and BTX treated, 3 CYP and RTX treated, 4 and 5 CYP treated and sham operated as the counterpart of groups 2 and 3, respectively, with normal saline). 100mg/kg CYP was injected every third day for five weeks. Cystometrograms were performed after the BTX and RTX treatments.RESULTS:
1. The normal control group and the CYP-treated only group. In the CYP-treated group, the time of micturition frequency, the maximal detrusor pressure on the cystometergram (Pvesmax at CMG), the maximal detrusor pressure on the pressure-flow study (Pvesmax at pr/flow) and the episodes of irregular contractions were increased. 2. The CYP-only group and the CYP/BTX or CYP/RTXtreated groups. In the CYP/BTX or CYP/RTX treated groups, the time of micturition frequency, the Pvesmax at CMG, the Pvesmax at pr/flow and the episode of irregular contractions were decreased. 3. The CYP/BTXtreated group and the CYP/ RTXtreated group. There was no statistically significant difference between the two groups regarding micturition frequency, the PvesMax at CMG and the PvesMax at pr/flow, the Dhfo and the episodes of involuntary contractions (p>0.05).CONCLUSIONS:
Intravesical administration of BTX or RTX blocked the CYP-induced detrusor overactivity as was shown by the restoration of the micturition frequency, the intravesical pressure and the involuntary contraction episodes to a control level. There was no statistically significant difference between the two groups regarding the urodynamic parameters.
Texto completo:
DisponíveL
Índice:
WPRIM (Pacífico Ocidental)
Assunto principal:
Micção
/
Urodinâmica
/
Bexiga Urinária
/
Administração Intravesical
/
Toxinas Botulínicas
/
Ratos Sprague-Dawley
/
Ciclofosfamida
/
Modelos Animais
/
Cistite
Limite:
Animais
Idioma:
Coreano
Revista:
Korean Journal of Urology
Ano de publicação:
2006
Tipo de documento:
Artigo
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