83 These authors describe a relatively poor adherence for LUTS and BPH medications (Figure 4). After approximately 1 year, 40% of patients had discontinued their medications; the discontinuation rates were highest for alpha-blockers compared with finasteride
or multiple medications. Again, a physician may prescribe medication for a patient with LUTS and there might be several unintended consequences: Inhibitors,research,lifescience,medical the patient may not take the medication for very long and, when it eventually comes to a surgical procedure, the patient may not have the same probability of ultimate improvement, may have a higher likelihood for presentation in urinary retention, and a greater likelihood for an initial failure to void spontaneously. Figure 4 Poor adherence with medications for lower urinary tract symptoms and benign prostatic hyperplasia. buy BAY 73-4506 Reproduced with permission from Nichol et al.83 The NERI facility in Boston introduced urologists to the concept of cluster analyses. At this year’s meeting, Rosen and colleagues presented a poster
reporting Inhibitors,research,lifescience,medical cluster patterns identified in the BACH study in male and female participants. The specific question was how much change occurs in the pattern of symptoms over time.84 The investigators found that the likelihood of progression from Inhibitors,research,lifescience,medical one cluster to the next highest cluster is significantly associated with age. Cluster remission was associated with age and International Prostate Symptom Score (IPSS) category in men. The cluster analysis in the BACH study published by the NERI group in several publications and presented at this year’s meeting drew considerable attention to the importance of comorbid conditions Inhibitors,research,lifescience,medical not only with regard to the baseline severity of symptoms, but also for the likelihood of Inhibitors,research,lifescience,medical progression. In fact, the number of comorbid conditions, particularly in the male population, seems to be of greatest importance in predicting whether a man is likely to progress from one cluster to the next (Figures 5 and and66).
Figure 5 The number of comorbid conditions, particularly in the male population, seems to be of greatest importance in predicting whether a L-NAME HCl man is likely to progress from one cluster to the next. Reproduced with permission from Rosen et al.84 Figure 6 The likelihood of progression from one cluster to the next highest cluster is significantly associated with age. Reproduced with permission from Rosen et al.84 Medical Therapy Several abstracts were presented that examined medical therapy alone or in combination for male voiding dysfunction and BPH. Lee and colleagues85 from Korea described a prospective, randomized, multicenter, double-blind, placebo-controlled study combining anticholinergics with alpha-adrenergic receptor blockers in men with bladder outlet obstruction (BOO) secondary to BPH as well as overactive bladder.
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