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. 1996 Oct;156(4):1292-9.

Nocturnal polyuria and natriuresis in male patients with nocturia and lower urinary tract symptoms

T B Matthiesen  1 , S Rittig, J P Nørgaard, E B Pedersen, J C Djurhuus
Affiliations
  • PMID: 8808857

Nocturnal polyuria and natriuresis in male patients with nocturia and lower urinary tract symptoms

T B Matthiesen et al. J Urol. 1996 Oct.

Abstract

Purpose: We investigated the circadian variation in urine output, plasma angiotensin II, aldosterone, atrial natriuretic peptide, arginine vasopressin and blood pressure.

Materials and methods: We studied 17 elderly men with nocturia and lower urinary tract symptoms, and 10 age matched controls without nocturia.

Results: Of the 17 patients studied 11 had a lack of diurnal variation in urine output and increased nocturnal urine production associated with increased nocturnal sodium excretion, and 6 had a diurnal variation in urine output comparable to controls.

Conclusions: Nocturia in a large proportion of elderly men with lower urinary tract symptoms is caused by nocturnal polyuria and natriuresis.

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