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Caffeine improves bladder function in streptozotocin-induced diabetic rats.
Neurourology and Urodynamics 2018 November 10
AIMS: To examine the protective effects of caffeine in rats with diabetes mellitus (DM) by using urodynamics.
METHODS: Female Sprague-Dawley rats (n = 24) were divided into four groups: control group, DM group, DM + caffeine (5 mg/kg/day), and DM + caffeine (10 mg/kg/day). DM was induced by streptozotocin (STZ). Cystometric studies were conducted on all rats. After 8 weeks of treatment with caffeine, the urodynamic parameters, including bladder capacity, residual urine volume, voiding time, and peak voiding pressure, were measured.
RESULTS: DM rats had a higher bladder capacity and post-void residual urine volume (PVR), an increased voiding time and peak voiding pressure, and a markedly lower voiding efficiency than the control group rats. After treatment with caffeine, bladder capacity, post-void residual urine volume, and peak voiding pressure were significant lower than those in the DM group, but voiding efficiency was markedly higher.
CONCLUSION: The results suggested that caffeine (5 or 10 mg/kg/day) may improve the bladder function at 8 weeks after STZ induction. Thus, this may represent a potential strategy to increase voiding efficiency in diabetes.
METHODS: Female Sprague-Dawley rats (n = 24) were divided into four groups: control group, DM group, DM + caffeine (5 mg/kg/day), and DM + caffeine (10 mg/kg/day). DM was induced by streptozotocin (STZ). Cystometric studies were conducted on all rats. After 8 weeks of treatment with caffeine, the urodynamic parameters, including bladder capacity, residual urine volume, voiding time, and peak voiding pressure, were measured.
RESULTS: DM rats had a higher bladder capacity and post-void residual urine volume (PVR), an increased voiding time and peak voiding pressure, and a markedly lower voiding efficiency than the control group rats. After treatment with caffeine, bladder capacity, post-void residual urine volume, and peak voiding pressure were significant lower than those in the DM group, but voiding efficiency was markedly higher.
CONCLUSION: The results suggested that caffeine (5 or 10 mg/kg/day) may improve the bladder function at 8 weeks after STZ induction. Thus, this may represent a potential strategy to increase voiding efficiency in diabetes.
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