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Journal of the Korean Academy of Rehabilitation Medicine 1997;21(1):8-12.
The Effect of Neck Posture in Swallowing of Stroke Patients.
Baek, Seung Sug , Park, Si Bog , Lee, Sang Gun , Lee, Kang Mok , Kim, Seung Hyun
1Department of Rehabilitation Medicine, Hanyang University, College of Medicine, Korea.
2Department of Neurology, Hanyang University, College of Medicine, Korea.
뇌졸중 환자에서 목의 자세가 연하에 미치는 영향
백승석, 박시복, 이상건, 이강목, 김승현*
한양대학교 의과대학 재활의학교실 및 신경과학교실*

Dysphagia is a disorder of the swallowing mechanism and presents a major problem in the rehabilitation of stroke patients. In the present study, computerized laryngeal analyzer (CLA) was used for noninvasive assessment of the pharyngeal phase of the swallowing mechanism. Laryngeal elevation was measured with pressor sensor placed on the skin over the thyroid cartilage. In the study, CLA was applied at each posture of neck flexion, neutral, and extension in stroke group and control group. Significant differences were found in each of these parameters measured in control group and stroke group. The quantitative measurements may aid the physician in choosing the appropriate therapy during the course of recovery.

The onset latency of swallowing was delayed in stroke group than control group at all posture of neck(p<0.05). The pharyngeal transit time (PTT) was longer at extension than flexion and neutral posture of neck in stroke group(p<0.05). The PTT was longer in stroke group than control group at all posture of neck, but not significant(p>0.05). The amplitude of swallowing was decreased in stroke group at extension and neutral posture of neck compared to those of control group(p<0.05), but there was no significant difference between stroke group and control group in neck flexion (p>0.05).

Key Words: Neck posture, Stroke, Computerized laryngeal analyzer, Pharyngeal transit time, Amplitude


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