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Vocal cord paralysis and its etiologies: a prospective study
Seyed Javad Seyed Toutounchi1, Mahmood Eydi2, Samad Ej Golzari3
1Department of ENT, Tabriz University of Medical Sciences, Tabriz, Iran.
Journal of Cardiovascular and Thoracic Research
|April 23, 2014
Summary
Vocal cord paralysis often stems from underlying conditions. This study identified tumors, surgery, and idiopathic causes as leading reasons, emphasizing the need for thorough diagnosis to rule out malignancy.
Area of Science:
- Otolaryngology
- Neurology
- Oncology
Background:
- Vocal cord paralysis is a symptom of various diseases, requiring clinical diagnosis of the underlying cause.
- Neurogenic or mechanical factors can lead to vocal cord fixation and paralysis.
- Identifying the root cause is crucial for effective patient management.
Purpose of the Study:
- To evaluate the diverse causes of vocal cord paralysis.
- To investigate the etiological factors contributing to vocal cord dysfunction.
- To highlight the importance of comprehensive diagnostic approaches.
Main Methods:
- A prospective study involving 45 patients with diagnosed vocal cord paralysis.
- Utilized diagnostic imaging and clinical examinations of the head, neck, chest, and brain.
- Systematically investigated potential causes across multiple organ systems.
Main Results:
- Idiopathic paralysis, tumors, and post-surgical complications each accounted for approximately 30% of cases.
- Phonation changes were the primary referral reason (97.8%), followed by aspiration (37.8%).
- Paralysis distribution: 63.36% right, 56.82% left, 6.82% bilateral; vocal cord position: 52.8% midline, 44.4% paramedian, 2.8% lateral.
Conclusions:
- An integrated diagnostic and treatment program is essential for vocal cord paralysis patients.
- Malignancy must be excluded before attributing vocal cord paralysis to idiopathic causes.
- Accurate etiological diagnosis guides appropriate therapeutic strategies.
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