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Journal of the Korean Academy of Rehabilitation Medicine 1998;22(4):798-803.
Changes of Oxygen Saturation in Stroke Patients with Dysphagia and Aspiration.
Kim, Chul Jun , Choi, Kyoung Hyo , Chun, Min Ho
Department of Rehabilitation Medicine, Asan Medical Center, University of Ulsan, College of Medicine.
연하곤란을 동반한 뇌졸중 환자에서 흡인시 산소포화도의 변화
김철준, 최경효, 전민호
울산의대 서울중앙병원 재활의학과

Our study was designed to evaluate the clinical value of pulse oximetry for the detection of aspiration in a stroke patient with dysphagia at bedside.

Thirty two acute stroke patients with dysphagia were devided into two groups according to the presence or absence of aspiration. And controls was selected among the inpatients without a neurological disease and an evidence of dysphagia. We assessed the dysphagia by a neurological examination, fiberoptic examination of vocal cord and videofluoroscopic swallowing study(VFSS). And the oxygen saturation of tissue blood flow(SpO2) was measured, while VFSS was performed by swallowing the barium sulfate fluid for three times.

The clinical findings of dysphagia were not exactly correlated with the VFSS. There was no significant difference of the resting SpO2 among three groups, but the mean SpO2 fell more in the patients with aspirations(⁣2.73%) than in the controls(⁣0.11%) or the patients without aspirations(⁣0.33%). Mean SpO2 fell more in the patients with aspiration of larger amount, but the change of SpO2 was not statistically significant.

We conclude that the pulse oximetric measurement of SpO2 is useful as a screening test for the assessment of aspiration and the efficacy of swallowing training.

Key Words: Stroke, Dysphagia, Aspiration, Pulse oximetry, Videofluoroscopy


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