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KMID : 0358420150580060507
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Korean Journal of Obstetrics and Gynecology
2015 Volume.58 No. 6 p.507 ~ p.513
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Factors affecting medication discontinuation in patients with overactive bladder symptoms
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:Shim Eun-Jung
:Yoo Eun-Hee/:Kim Young-Mi/:Kim Dong-Uk
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Abstract
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Objective : To find out the factors affecting medication discontinuation in patients with overactive bladder (OAB) symptoms.
Methods : The clinical data of 125 patients with OAB symptoms who had taken antimuscarinics and behavioral therapy were retrospectively reviewed. Antimuscarinics related outcomes were evaluated by an independent observer with telephone interview. All patients were asked about duration of medication and reason of continuation or discontinuation of antimuscarinics. To determine pre-treatment factors predicting self-report discontinuation of antimuscarinics, variables of only those with P-values <0.25 on the univariate analysis were included in the Cox proportional hazard modeling.
Results : Mean follow-up was 39.6 months and the proportion of discontinuation of antimuscarinics was 60.0% (75/125). The mean duration of medication was 21.2 months in the continuation group and 3.3 months in the discontinuation group. The reasons of discontinuation of antimuscarinics were improved OAB symptoms (46.7%), tolerable OAB symptoms (33.3%), no change of OAB symptoms (1.3%), side-effects (8.0%) and no desire to take long-term medication (10.7%). The variables affecting remaining cumulative probability of antimuscarinics were age, history of anti-incontinence surgery or vaginal surgery, and having stress predominant urinary incontinence on urodynamic study.
Conclusion : The lower rate of cumulative continuation of antimuscarinics encourages us to give a more detailed counseling and education to the patients with OAB symptoms before prescription. And explorations about newer agent and non-pharmacologic treatment with good efficacy and lower side-effects are needed.
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KEYWORD
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Discontinuation, Muscarinic antagonists, Urinary bladder, overactive
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