Background: We investigated the efficacy of desmopressin in elderly patients with nocturnal polyuria (NP) to evaluate its effects on sleep quality. Methods: Patients with NP (defined as the nighttime urine production >33% of total 24-hour urine volume determined from a frequency-volume chart) were recruited. Desmopressin (0.2 mg) was treated orally at bedtime for 12 weeks. The participants completed the Medical Outcomes Study (MOS) Sleep Scale. Results: The mean patient age was 62.7 ± 13.0 (range 42-78 years). The mean symptom duration was 42.2 ± 39.7 months. The number of nocturia episodes (from 3.49 ± 1.83 to 2.03 ± 1.35, p = 0.01), nocturnal urine volume (p = 0.01), NP index (p = 0.01), and nocturia index (p = 0.01) decreased significantly after treatment with desmopressin. Among the MOS Sleep Scale categories, hours slept/night (p = 0.042), shortness of breath (p = 0.019), and adequacy of sleep (p = 0.001) changed significantly with a decrease in the number of nocturia episodes. Adverse events were mild. Conclusions: Desmopressin is an effective treatment for NP and improved sleep quality in elderly men.

Keywords:
Nocturia, Sleep, Desmopressin
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2016
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