Daytime oxygen saturation does not predict nocturnal oxygen desaturation in patients with chronic obstructive pulmonary disease

Vahid Mohsenin, Enrico E. Guffanti, Janet Hilbert, Redento Ferranti

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Nocturnal hypoxemia occurs commonly in patients with chronic obstructive pulmonary disease (COPD). Because pulmonary hypertension and cardiac arrhythmias are associated with this phenomenon, the detection and treatment of nocturnal hypoxemia should be part of the management of COPD patients. The ability to predict nocturnal hypoxemia by evaluating an awake patient would be desirable economically and logistically because continuous nocturnal oximetry is not widely available and because it is costly and labor intensive. We sought to determine whether awake oximetry would be precise enough to be clinically useful in predicting the degree of nocturnal oxygen desaturation in patients with COPD. We studied 71 patients with COPD. During sleep, the arterial oxygen saturation (SaO2) decreased by an average of 9% with a maximum decrease of 21% (awake SaO2 93.0 ± 0.4% vs nocturnal lowest SaO2 84.0 ± 0.7%, p = 0.0001). The nocturnal oxygen desaturation in each patient, however, was poorly predicted from awake SaO2. The standard error of estimate was large with a value of 5.3%. These data suggest that awake SaO2 is not a good predictor of nocturnal oxygen desaturation in individual patients. The lack of a simple relationship between awake SaO2 and nocturnal SaO2 is due to a complex interplay of various physiologic and pathologic mechanisms involved in the control of breathing and oxygenation during sleep.

Original languageEnglish
Pages (from-to)285-289
Number of pages5
JournalArchives of Physical Medicine and Rehabilitation
Volume75
Issue number3
DOIs
Publication statusPublished - 1994

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Chronic Obstructive Pulmonary Disease
Oxygen
Oximetry
Sleep
Aptitude
Pulmonary Hypertension
Cardiac Arrhythmias
Respiration
Hypoxia

ASJC Scopus subject areas

  • Rehabilitation

Cite this

Daytime oxygen saturation does not predict nocturnal oxygen desaturation in patients with chronic obstructive pulmonary disease. / Mohsenin, Vahid; Guffanti, Enrico E.; Hilbert, Janet; Ferranti, Redento.

In: Archives of Physical Medicine and Rehabilitation, Vol. 75, No. 3, 1994, p. 285-289.

Research output: Contribution to journalArticle

Mohsenin, Vahid ; Guffanti, Enrico E. ; Hilbert, Janet ; Ferranti, Redento. / Daytime oxygen saturation does not predict nocturnal oxygen desaturation in patients with chronic obstructive pulmonary disease. In: Archives of Physical Medicine and Rehabilitation. 1994 ; Vol. 75, No. 3. pp. 285-289.
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