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Desmopressin resistant nocturnal polyuria may benefit from furosemide therapy administered in the morning

Ann De Guchtenaere UGent, Caroline Vande Walle, PIETER VANSINTJAN, Raymond AMG Donckerwolcke, Ann Raes UGent, Jo Dehoorne UGent, Erik Van Laecke UGent, Piet Hoebeke UGent and Johan Vande Walle UGent (2007) JOURNAL OF UROLOGY. 178(6). p.2635-2639
abstract
Purpose: There is increasing evidence that a subgroup of patients with monosymptomatic nocturnal enuresis and nocturnal polyuria resistant to desmopressin may have an abnormal circadian rhythm of renal tubular sodium handling. The pathogenesis of this phenomenon remains to be elucidated. If the increased sodium excretion overnight results in desmopressin resistance, decreasing the sodium excretion overnight may result in subsequently better desmopressin response. Materials and Methods: We conducted a pilot study of the anti-enuretic and antidiuretic effects of desmopressin combined with 0.5 mg/kg furosemide daily in patients with desmopressin resistant nocturnal polyuria despite dietary sodium and protein restriction. Values were plotted against the reference frame of a desmopressin responsive enuresis group. Results: Baseline values revealed significantly lower urinary osmolality and higher diuresis rate overnight compared to the reference population (monosymptomatic nocturnal enuresis desmopressin responders). Introduction of desmopressin resulted in normalization of nocturnal urinary osmolality. However, nocturnal polyuria persisted, despite reaching maximal urinary concentration overnight. Although protein and sodium restriction resulted in a significant decrease in urinary osmolality and diuresis rate, the difference was not clinically important enough to reach normal values or to achieve continence. Furosemide in the morning resulted in a significant increase in diuresis and osmotic and sodium excretion during the day, and decreased nighttime diuresis and osmotic excretion. In 9 of 12 patients the nocturnal antidiuretic effect resulted in an anti-enuretic effect, defined as enuresis less than 1 wet night per month. In 3 patients insufficient anti-enuretic effects were obtained despite significant antidiuresis. Conclusions: This pilot study clearly demonstrates that introduction of early morning furosemide results in a significantly lower nocturnal diuresis rate. Reduced diuresis associated with unchanged urinary osmolality results in decreased nocturnal osmotic excretion in compensation for increased osmotic (sodium) excretion during the daytime.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (proceedingsPaper)
publication status
published
subject
journal title
JOURNAL OF UROLOGY
J. Urol.
volume
178
issue
6
pages
2635-2639 pages
publisher
ELSEVIER SCIENCE INC
conference name
Biennial Meeting of the International-Childrens-Continence-Society
conference location
Antalya, TURKEY
conference start
2006-09-14
conference end
2006-09-17
Web of Science type
Article
Web of Science id
000250847900110
JCR category
UROLOGY & NEPHROLOGY
JCR impact factor
4.053 (2007)
JCR rank
8/55 (2007)
JCR quartile
1 (2007)
ISSN
0022-5347
DOI
10.1016/j.juro.2007.08.026
language
English
UGent publication?
yes
classification
A1
id
414430
handle
http://hdl.handle.net/1854/LU-414430
date created
2008-03-07 09:55:00
date last changed
2016-12-19 15:43:29
@article{414430,
  abstract     = {Purpose: There is increasing evidence that a subgroup of patients with monosymptomatic nocturnal enuresis and nocturnal polyuria resistant to desmopressin may have an abnormal circadian rhythm of renal tubular sodium handling. The pathogenesis of this phenomenon remains to be elucidated. If the increased sodium excretion overnight results in desmopressin resistance, decreasing the sodium excretion overnight may result in subsequently better desmopressin response.

Materials and Methods: We conducted a pilot study of the anti-enuretic and antidiuretic effects of desmopressin combined with 0.5 mg/kg furosemide daily in patients with desmopressin resistant nocturnal polyuria despite dietary sodium and protein restriction. Values were plotted against the reference frame of a desmopressin responsive enuresis group.

Results: Baseline values revealed significantly lower urinary osmolality and higher diuresis rate overnight compared to the reference population (monosymptomatic nocturnal enuresis desmopressin responders). Introduction of desmopressin resulted in normalization of nocturnal urinary osmolality. However, nocturnal polyuria persisted, despite reaching maximal urinary concentration overnight. Although protein and sodium restriction resulted in a significant decrease in urinary osmolality and diuresis rate, the difference was not clinically important enough to reach normal values or to achieve continence. Furosemide in the morning resulted in a significant increase in diuresis and osmotic and sodium excretion during the day, and decreased nighttime diuresis and osmotic excretion. In 9 of 12 patients the nocturnal antidiuretic effect resulted in an anti-enuretic effect, defined as enuresis less than 1 wet night per month. In 3 patients insufficient anti-enuretic effects were obtained despite significant antidiuresis.

Conclusions: This pilot study clearly demonstrates that introduction of early morning furosemide results in a significantly lower nocturnal diuresis rate. Reduced diuresis associated with unchanged urinary osmolality results in decreased nocturnal osmotic excretion in compensation for increased osmotic (sodium) excretion during the daytime.},
  author       = {De Guchtenaere, Ann and Vande Walle, Caroline and VANSINTJAN, PIETER and Donckerwolcke, Raymond AMG and Raes, Ann and Dehoorne, Jo and Van Laecke, Erik and Hoebeke, Piet and Vande Walle, Johan},
  issn         = {0022-5347},
  journal      = {JOURNAL OF UROLOGY},
  language     = {eng},
  location     = {Antalya, TURKEY},
  number       = {6},
  pages        = {2635--2639},
  publisher    = {ELSEVIER SCIENCE INC},
  title        = {Desmopressin resistant nocturnal polyuria may benefit from furosemide therapy administered in the morning},
  url          = {http://dx.doi.org/10.1016/j.juro.2007.08.026},
  volume       = {178},
  year         = {2007},
}

Chicago
De Guchtenaere, Ann, CAROLINE VANDE WALLE, PIETER VANSINTJAN, Raymond AMG Donckerwolcke, Ann Raes, Jo Dehoorne, Erik Van Laecke, Piet Hoebeke, and Johan Vande Walle. 2007. “Desmopressin Resistant Nocturnal Polyuria May Benefit from Furosemide Therapy Administered in the Morning.” Journal of Urology 178 (6): 2635–2639.
APA
De Guchtenaere, A., VANDE WALLE, C., VANSINTJAN, P., Donckerwolcke, R. A., Raes, A., Dehoorne, J., Van Laecke, E., et al. (2007). Desmopressin resistant nocturnal polyuria may benefit from furosemide therapy administered in the morning. JOURNAL OF UROLOGY, 178(6), 2635–2639. Presented at the Biennial Meeting of the International-Childrens-Continence-Society.
Vancouver
1.
De Guchtenaere A, VANDE WALLE C, VANSINTJAN P, Donckerwolcke RA, Raes A, Dehoorne J, et al. Desmopressin resistant nocturnal polyuria may benefit from furosemide therapy administered in the morning. JOURNAL OF UROLOGY. ELSEVIER SCIENCE INC; 2007;178(6):2635–9.
MLA
De Guchtenaere, Ann, CAROLINE VANDE WALLE, PIETER VANSINTJAN, et al. “Desmopressin Resistant Nocturnal Polyuria May Benefit from Furosemide Therapy Administered in the Morning.” JOURNAL OF UROLOGY 178.6 (2007): 2635–2639. Print.