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J Korean Dysphagia Soc 2017; 7(1): 13-18

Published online January 1, 2017

Copyright © The Korean Dysphagia Society.

Radiation Induced Dysphagia

Yun-Sung Lim, M.D., Ph.D.

Department of Otorhinolaryngology-Head and Neck Surgery, Ilsan Hospital, Dongguk University College of Medicine, Goyang, Korea

Abstract

Swallowing dysfunction following radiation therapy for head and neck cancer is a major cause of morbidity and reduced quality of life, which means that organ preservation is not equal to functional preservation. Radiation induces tissue damage followed by hypoxia, fibrosis, and functional deterioration. Intensity modulated radiation therapy can be a valid strategy to reduce long-term dysphagia. Recently, prophylactic swallowing exercise has been gaining attention for its role in better functional swallowing after radiation therapy. However, further longitudinal and objective studies are still needed.

Keywords: Head and neck cancer, Radiation, Dysphagia, Rehabilitation

Article

Review Article

J Korean Dysphagia Soc 2017; 7(1): 13-18

Published online January 1, 2017

Copyright © The Korean Dysphagia Society.

Radiation Induced Dysphagia

Yun-Sung Lim, M.D., Ph.D.

Department of Otorhinolaryngology-Head and Neck Surgery, Ilsan Hospital, Dongguk University College of Medicine, Goyang, Korea

Abstract

Swallowing dysfunction following radiation therapy for head and neck cancer is a major cause of morbidity and reduced quality of life, which means that organ preservation is not equal to functional preservation. Radiation induces tissue damage followed by hypoxia, fibrosis, and functional deterioration. Intensity modulated radiation therapy can be a valid strategy to reduce long-term dysphagia. Recently, prophylactic swallowing exercise has been gaining attention for its role in better functional swallowing after radiation therapy. However, further longitudinal and objective studies are still needed.

Keywords: Head and neck cancer, Radiation, Dysphagia, Rehabilitation

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