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Changes in Arterial Oxygen Saturation (SaO2) Before, During, and After Meals in Stroke Patients in a Rehabilitation Setting

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Abstract

The aim of this study was to investigate the changes in arterial oxygen saturation (SaO2) of stroke patients during mealtime and whether duration of feeding (time to finish a meal) and mode of feeding (self-feed versus being fed) were associated with such changes. This study also investigated whether the consequence of aspiration pneumonia in the stroke patients was associated with SaO2 drops during mealtime. The findings of this study showed that stroke patients but not the controls had a small but significant SaO2 drop during meals (0.91%, IQR = 1.53%, p < 0.05 in being fed; 1.04%, IQR = 1.35%, p = 0.013, in self-feed). Duration of feeding and mode of feeding, however, did not have an association with mealtime SaO2 changes. The SaO2 drop during mealtime was not an early indicator of aspiration pneumonia.

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Authors and Affiliations

  1. Department of Medicine and Geriatrics, Shatin Hospital, 33 A Kung Kok Street, Ma On Shan, Shatin, NT, Hong Kong

    Simon Y. P. Chan & Raymond S. K. Lo

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  1. Simon Y. P. Chan
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  2. Raymond S. K. Lo
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Correspondence to Raymond S. K. Lo.

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Chan, S.Y.P., Lo, R.S.K. Changes in Arterial Oxygen Saturation (SaO2) Before, During, and After Meals in Stroke Patients in a Rehabilitation Setting. Dysphagia 24, 77–82 (2009). https://doi.org/10.1007/s00455-008-9177-9

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  • DOI: https://doi.org/10.1007/s00455-008-9177-9

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