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1.
International Neurourology Journal ; : 101-106, 2016.
Artigo em Inglês | WPRIM | ID: wpr-63262

RESUMO

In clinical settings, intravesical instillation of a drug bolus is often performed for the treatment of bladder diseases. However, it requires repeated instillations to extend drug efficacy, which may result in poor patient compliance. To alleviate this challenge, implantable devices have been developed for the purpose of sustained, intravesical drug delivery. In this review, we briefly summarize the current trend in the development of intravesical drug-delivery devices. We also introduce the most recently developed devices with strong potential for intravesical drug-delivery applications.


Assuntos
Administração Intravesical , Sistemas de Liberação de Medicamentos , Cooperação do Paciente , Doenças da Bexiga Urinária
2.
Journal of Korean Medical Science ; : 1313-1320, 2015.
Artigo em Inglês | WPRIM | ID: wpr-53689

RESUMO

Diabetes is related with a number of cystopathic complications. However, there have been no studies about the influence of alcohol consumption in the bladder of type 2 diabetes. Thus, we investigated the effect of moderate alcohol intake in the bladder of the Otsuka Long Evans Tokushima Fatty (OLETF) diabetic rat. The non-diabetic Long-Evans Tokushima Otsuka (LETO, n=14) and the OLETF control group (n=14) were fed an isocaloric diet; the LETO (n=14) and the OLETF ethanol group (n=14) were fed 36% ethanol 7 g/kg/day. After ten weeks, muscarinic receptors, RhoGEFs, myogenic change, and the level of oxidative stress were evaluated. Moderate alcohol intake significantly decreased excessive muscarinic receptor and Rho kinase expressions in the OLETF rats compared with the LETO rats. In addition, iNOS and collagen expression were not changed in the OLETF rats in spite of alcohol consumption. Superoxide dismutase levels, which is involved in antioxidant defense, in the LETO rats were significantly decreased after alcohol consumption, however those in the OLETF rats were similar. Moderate alcohol consumption reduces the oxidative stress, and may prevent molecular and pathologic changes of the bladder of rats with type 2 diabetes.


Assuntos
Animais , Humanos , Ratos , Consumo de Bebidas Alcoólicas/efeitos adversos , Diabetes Mellitus Tipo 2/complicações , Etanol/toxicidade , Ratos Endogâmicos OLETF , Espécies Reativas de Oxigênio/metabolismo , Bexiga Urinária/efeitos dos fármacos
3.
Korean Journal of Urology ; : 341-348, 2014.
Artigo em Inglês | WPRIM | ID: wpr-17193

RESUMO

PURPOSE: We investigated the etiologies of lower urinary tract symptoms (LUTS) and compared urodynamic characteristics between different diagnostic groups in young men with chronic LUTS. MATERIALS AND METHODS: We reviewed the medical records of 308 men aged 18 to 50 years who had undergone a urodynamic study for chronic LUTS (> or =6 months) without symptoms suggestive of chronic prostatitis. RESULTS: The men's mean age was 40.4 (+/-10.1) years and their mean duration of symptoms was 38.8 (+/-49.2) months. Urodynamic evaluation demonstrated voiding phase dysfunction in 62.1% of cases (primary bladder neck dysfunction [PBND] in 26.0%, dysfunctional voiding [DV] in 23.4%, and detrusor underactivity [DU]/acontractile detrusor [AD] in 12.7%) and a single storage phase dysfunction in 36.4% of cases (detrusor overactivity [DO] in 13.3%, small cystometric capacity in 17.9%, and reduced bladder sensation in 5.2%). Most of the demographic characteristics and clinical symptoms did not differ between these diagnostic groups. Whereas 53.9% of patients with voiding dysfunction had concomitant storage dysfunction, 69.6% of those with storage dysfunction had concomitant voiding dysfunction. Men with DV or DU/AD exhibited lower maximum cystometric capacity than did those with normal urodynamics. Low bladder compliance was most frequent among patients with PBND (10.0%, p=0.025). In storage dysfunctions, men with DO exhibited higher detrusor pressure during voiding than did those with other storage dysfunctions (p<0.01). CONCLUSIONS: Because clinical symptoms are not useful for predicting the specific urodynamic etiology of LUTS in this population, urodynamic investigation can help to make an accurate diagnosis and, potentially, to guide appropriate treatment.


Assuntos
Humanos , Masculino , Complacência (Medida de Distensibilidade) , Diagnóstico , Sintomas do Trato Urinário Inferior , Prontuários Médicos , Pescoço , Prevalência , Prostatite , Sensação , Bexiga Urinária , Doenças da Bexiga Urinária , Urodinâmica
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