Aims: This study compared the effectiveness of solifenacin succinate (SS) versus percutaneous tibial nerve stimulation (PTNS) in women with overactive bladder syndrome (OABS). Methods: A randomized controlled crossover study of 40 women with OABS was performed. Patients were randomized into two groups. In group A, patients received SS and then PTNS. In group B, patients underwent PTNS and then SS. Voiding diaries, quality of life surveys and patient perception of intensity of urgency questionnaire were performed before and after each treatment. The global impression of improvement questionnaire was performed at the end of the study. Results: A reduction in the number of daily micturitions, episodes of nocturia and urge incontinence were found with both SS and PTNS in all groups, but PTNS showed a greater effectiveness than SS. There was an increase in voided volume in all groups with both SS and PTNS, but patients treated with PTNS had a greater increase. PTNS showed greater effectiveness in patient perception of urgency and quality of life. Conclusion: This study demonstrates the effectiveness of SS and PTNS In women with overactive bladder symptoms. However, greater improvements were found with PTNS.
Polyacrylamide hydrogel (Bulkamid庐) is an effective treatment with low morbility in patients of 80 or more years.
Introduction This study compared percutaneous tibial nerve stimulation (PTNS) versus electrical stimulation with pelvic floor muscle training (ES + PFMT) in women with overactive bladder syndrome (OAB).Materials and Methods 60 women with OAB were enrolled. Patients were randomized into two groups. In group A, women underwent ES with PFMT, in group B women underwent PTNS.Results A statistically significant reduction in the number of daily micturitions, episodes of nocturia and urge incontinence was found in the two groups but the difference was more substantial in women treated with PTNS; voided volume increased in both groups. Quality of life improved in both groups, whereas patient perception of urgency improved only in women treated with PTNS. Global impression of improvement revealed a greater satisfaction in patients treated with PTNS.Conclusion This study demonstrates the effectiveness of PTNS and ES with PFMT in women with OAB, but greater improvements were found with PTNS.
The expression of dopamine receptors by human platelets was investigated by Western blot analysis and immunocytochemical techniques using antibodies raised against dopamine D1-D5 receptor protein. The influence of dopamine D1-like and D2-like receptor agonists on adrenaline-induced platelet aggregation was also investigated. Western blot analysis revealed that platelet membranes bind anti-dopamine D3 or D5 receptor protein antibodies, but not anti-D1, D2 or D4 receptor protein antibodies. Cytospin centrifuged human platelets exposed to anti-dopamine D3 or D5 receptor protein antibodies developed a specific immune staining, whereas no positive staining was noticeable in platelets exposed to other antibodies tested. Both the D1-like receptor agonist 1-phenyl2,3,4,5-tetrahydro-(1H)-3-benzazepine-7,8-diol hydrochloride (SKF 38393) and the D2-like receptor agonist 7-hydroxy-N,N-di-n-propyl-2-aminotetralin (7-OH-DPAT) dose-dependently inhibited adrenaline-induced platelet aggregation. These effects were decreased respectively by the D-like and D2-like receptor antagonists R(+)-2,3,4,5-tetrahydro-3-methyl-5-phenyl-1H-3-benzazepin-7-ol hydrochloride (SCH 23390) and (-)sulpiride. The above findings indicate that human platelets express dopamine D3 and D5 receptors probably involved in the regulation of platelet function.
Introduction: The study evaluates the impact of three different sized (4.5-, 6- and 7-Fr) catheters on pressure-flow studies in women undergoing urodynamic evaluation for lower urinary tract symptoms. Material and Methods: 60 women referred for the evaluation of lower urinary tract symptoms were enrolled in this randomized controlled study. Patients were divided into two groups (A and B) of 30 women each. The patients underwent non-invasive free-flow uroflowmetry with determination of post-void residual urine volume (PVR) and two consecutive pressure-flow studies using two different transurethral catheters. In group A the two consecutive pressure-flow studies were performed using a 4.5-Fr catheter once and a 6-Fr catheter once; in group B the two consecutive pressure-flow studies were performed using a 4.5-Fr catheter once and a 7-Fr catheter once. Patients were also randomized for the consecutive order in which the two different transurethral catheters were used. Results: The pressure-flow parameters were significantly different from the equivalent free-flow findings. The maximum and average flow rate in all pressure-flow studies performed were significantly lower than the equivalent free-flow parameters and the flow time was significantly longer for all pressure-flow versus free-flow studies. Furthermore, there was a significantly larger PVR for pressure-flow than for free-flow measurements. There was no significant difference in maximum flow rate, average flow rate and flow time between 4.5- and 6-Fr pressure-flow studies (group A). However, there was a statistically significant difference between 4.5- and 7-Fr pressure-flow studies (group B) in those uroflowmetry parameters. Detrusor pressure at maximum flow (Pdet.Qmax) and maximum detrusor pressure (Pdet. max) in group A did not show statistically significant differences between 4.5- and 6-Fr pressure-flow studies whereas in group B Pdet.Qmax and Pdet. max were significantly different between 4.5- and 7-Fr pressure-flow studies. Conclusions: A 4.5-, 6- or 7-Fr transurethral catheter may obstruct micturition changing uroflowmetry parameters. A statistically significant difference was found in all but PVR parameters particularly in all detrusor parameters between 4.5- vs. 7-Fr whereas no statistically significant difference was found in all but PVR parameters between 4.5- vs. 6-Fr. We can thus state that pressure-flow findings may be influenced by different sized transurethral catheters. A misinterpretation of pressure-flow findings may have clinical implications on establishing an accurate diagnosis.
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