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KMID : 1024320230130010015
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Journal of the Korean Dysphagia Society
2023 Volume.13 No. 1 p.15 ~ p.23
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Fluid Thickeners in Patients with Mild Dysphagia
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Jeong Yeon-Gyu
Moon Hyun-Im
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Abstract
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Objective: To compare the changes in blood urea nitrogen/creatinine (BUN/Cr) ratio, a dehydration status indicator, among patients with mild dysphagia depending on the addition of fluid thickeners.
Methods: A total of 81 patients who underwent serial dietary trials of the videofluoroscopic swallowing study (VFSS) and displayed penetration signs with a penetration-aspiration scale of 4 or less during the liquid trials were enrolled and classified into two groups according to the dietary instructions from the VFSS results. Group A comprised patients who were permitted to freely consume water with a regular diet. Group B comprised patients allowed to take a regular diet but with the addition of a fluid thickener while ingesting water. To analyze whether the patients of each group were dehydrated, we calculated the serum BUN/Cr ratio using blood tests, which were performed within 1 week of the VFSS test date and 1 month later.
Results: There were 4 cases of suspected pneumonia within 1 month after the VFSS test, with no significant differences between the two groups. The BUN/Cr ratio of the 1-month follow-up blood test when compared to the initial blood test showed a significant decrease in Group A (P=0.022) compared with Group B (P=0.033).
Conclusion: Patients with mild dysphagia who consumed water freely showed a decrease in the BUN/Cr ratio compared to those who added fluid thickeners to their drinking water.
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KEYWORD
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Deglutition disorders, Dehydration, Pneumonia, Aspiration
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