Treatment Outcome of Overactive Bladder Patients Receiving Antimuscarinic Therapy for More than One Year |
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Authors: | Sheng‐Mou HSIAO Ho‐Hsiung LIN Hann‐Chorng KUO |
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Institution: | 1. Department of Obstetrics and Gynecology, Far Eastern Memorial Hospital, Banqiao, Taiwan;2. Department of Obstetrics and Gynecology, National Taiwan University Hospital, Taipei, Taiwan;3. Department of Urology, Buddhist Tzu Chi General Hospital and Tzu Chi University, Hualien, Taiwan |
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Abstract: | Objectives Details on the therapeutic effects of long‐term antimuscarinic therapy have not been reported. Thus, the aim of this study is to evaluate the detailed long‐term therapeutic effect of antimuscarinic therapy. Methods All consecutive patients who visited the urologic outpatient clinics of a medical center for treatment of overactive bladder syndrome and received antimuscarinic therapy of 12 months or more were retrospectively reviewed. All medical records, including the Overactive Bladder Symptom score (OABSS), the modified Indevus Urgency Severity Scale and the International Prostate Symptoms score (IPSS) questionnaires, and uroflowmetry parameters were reviewed at each visit. Results A total of 140 patients had received 12 months or more of antimuscarinic therapy. Sustained therapeutic effects were observed by persistent decreases of IPSS‐storage score, IPSS‐total score and OABSS score. Moreover, the maximum flow rate did not change over time. A temporary increase in postvoid residual volume and decrease in voiding efficiency were found, but these parameters improved over long‐term visits. Side‐effects were observed in 81 patients (57.9%) and included dry mouth (n = 58, 41.4%), constipation (n = 48, 34.3%) and blurred vision (n = 4, 2.9%); all side‐effects were tolerable. Patients aged 75 years or more (n = 94) had a higher comorbidity rate (n = 46, 48.9%) before treatment but generally exhibited similar therapeutic effects as overall patients; elderly patients could also tolerate side‐effects. Conclusion Sustained therapeutic effects were observed in patients who received 12 months or more of antimuscarinic therapy, even in elderly patients. In addition, side‐effects in patients receiving long‐term therapy were also common but tolerable. |
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Keywords: | muscarinic antagonists overactive treatment outcome urinary bladder |
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