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[Dysphagia in Parkinson disease]
K Kurihara1, K Kita, K Hirayama
1Department of Neurology, School of Medicine, Chiba University.
Rinsho Shinkeigaku = Clinical Neurology
|February 1, 1993
Summary
Dysphagia, or difficulty swallowing, is common in Parkinson disease patients, worsening with disease duration and severity. Tongue and lower esophageal dysfunction likely stem from neurological system disturbances.
Area of Science:
- Neurology
- Gastroenterology
Context:
- Parkinson disease (PD) is a neurodegenerative disorder affecting motor control.
- Swallowing difficulties (dysphagia) are a significant but often under-recognized complication in PD patients.
- The prevalence and specific mechanisms of dysphagia in PD require further elucidation.
Purpose:
- To investigate the prevalence and characteristics of dysphagia in Parkinson disease patients.
- To identify correlations between dysphagia severity, disease duration, and activities of daily living (ADL) in PD.
- To explore radiological and manometric findings associated with swallowing dysfunction in PD.
Summary:
- Dysphagia affects approximately 30% of Parkinson disease patients, increasing with disease duration and severity (Yahr scale >3).
- Radiological studies revealed delayed swallowing initiation, vallecular stasis, aspiration, and esophageal dilatation in some patients.
- Manometry indicated lower esophageal smooth muscle dysfunction, while pharyngeal and esophageal striated muscle involvement was less pronounced.
Impact:
- Highlights the significant impact of dysphagia on Parkinson disease patients' quality of life.
- Suggests that tongue and lower esophageal dysfunction in PD may be linked to extrapyramidal and autonomic nervous system disturbances.
- Provides insights for targeted interventions and improved patient management strategies for swallowing difficulties in Parkinson disease.