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Physical characteristics of commercial and home-made nasal lavage solutions

  • N Lilic (a1), S Waldvogel-Thurlow (a2) and R G Douglas (a2)

Abstract

Introduction:

Nasal saline lavage forms a cornerstone of chronic rhinosinusitis management. A number of saline lavage recipes and products are currently available but little is known of their relative physical characteristics.

Aims:

To determine the osmolarity and pH of nasal lavage solutions, both commercial preparations and home-made recipes, and to determine the reproducibility of saline solution preparation.

Methods:

Five home-made recipes and two commercial products were prepared in triplicate and analysed. Eight consecutive clinic patients prepared a commercial product and 11 prepared a home-made recipe, and the osmolarity and pH were measured.

Results:

The osmolarity of the solutions varied widely, from 140 to 788 mmol/l and the pH varied from 7.88 to 8.50. The commercial and home-made solutions had similar reproducibility when prepared by patients.

Conclusion:

Some recipes were markedly hypo-osmolar and some were hyper-osmolar. All were slightly alkaline. The home-made recipes had similar physical characteristics and reproducibility to commercial preparations.

Copyright

Corresponding author

Address for correspondence: Dr Richard G Douglas, Department of Surgery, The University of Auckland, Grafton, Auckland 1023, New Zealand Fax: +64 9 377 9656 E-mail: richard.douglas@auckland.ac.nz

References

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The Journal of Laryngology & Otology
  • ISSN: 0022-2151
  • EISSN: 1748-5460
  • URL: /core/journals/journal-of-laryngology-and-otology
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