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Evaluation of oxygen saturation by pulse-oximetry in mouth breathing patients.

Abstract
Mouth breathing might not always result in hypoxia, but can contribute to it. The aim of the present study was to determine the effect of mouth breathing on hypoxia. Based on a pilot study, 323 patients with mouth breathing were selected. Assessment of mouth breathing was based on clinical examination and questionnaires filled out by patients and their companions. The patients were also examined for further oral findings that could be attributable to mouth breathing. Oxygen saturation of each case was measured by means of a pulse oximetry device. The level of 95% saturation was set as the limit, under which the patient was considered hypoxemic. Acquired data was analyzed for descriptive data and frequency and also by means of the Chi-square and Spearman's correlation coefficient tests. 34.6% of the cases had normal O2 saturation. 65.4% of cases were hypoxemic (saturation level was below 95% in 42.8% and 95% in 22.6%). Most of the mouth breathing patients were male who were also more hypoxemic. A weak inverse relationship existed between the age of the patients and Oxygen saturation. Deep palatal vaults (29.4%) and gingival hyperplasia (29.2%) were the most frequent intraoral findings. Concerning the effects of hypoxia on body systems, the use of pulse oximetry in suspected mouth breathing patients could be recommended in routine oral and dental examinations.
AuthorsEsfandiar Akhavan Niaki, Javad Chalipa, Elahe Taghipoor
JournalActa medica Iranica (Acta Med Iran) Vol. 48 Issue 1 Pg. 9-11 ( 2010) ISSN: 0044-6025 [Print] Iran
PMID21137662 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Oxygen
Topics
  • Adolescent
  • Adult
  • Aged
  • Aged, 80 and over
  • Chi-Square Distribution
  • Child
  • Cross-Sectional Studies
  • Female
  • Humans
  • Hypoxia (etiology, metabolism)
  • Male
  • Middle Aged
  • Mouth Breathing
  • Oximetry
  • Oxygen (metabolism)
  • Pilot Projects

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