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  • Title: Impaired detrusor contractility in community-dwelling elderly presenting with lower urinary tract symptoms.
    Author: Abarbanel J, Marcus EL.
    Journal: Urology; 2007 Mar; 69(3):436-40. PubMed ID: 17382138.
    Abstract:
    OBJECTIVES: To determine the prevalence of impaired detrusor contractility (IDC) with and without detrusor hyperactivity (DH) among community-dwelling elderly with lower urinary tract symptoms and to identify which patients are at a greater risk of having a hypocontractile detrusor. METHODS: We performed a retrospective chart review of all patients 70 years old or older with storage and/or voiding lower urinary tract symptoms who had undergone urodynamic pressure-flow studies in a urodynamic referral center during a 2-year period. RESULTS: During the study period, 181 patients (82 men [45%] and 99 women [55%]), aged 70 years or older (mean age 75.7 +/- 4.8), underwent urodynamic studies. IDC was detected in 39 (48%) of the 82 men and in 12 (12%) of the 99 women. Two thirds of the men and one half of the women with IDC also had involuntary detrusor contractions during the filling phase and/or low bladder compliance. The prevalence of IDC/DH-IDC was significantly greater in those with a history of urinary retention and an indwelling urethral catheter. CONCLUSIONS: Detrusor-impaired contractility is an important pathophysiologic mechanism in older patients with lower urinary tract symptoms, especially in men. Establishing the diagnosis by urodynamic pressure-flow studies is crucial for determining treatment--potentially harmful to this vulnerable population--from objective parameters rather than by empirical decisions.
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