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Laryngoscope. 2011 Oct;121(10):2195-8. doi: 10.1002/lary.22168. Epub 2011 Sep 6.

Patient perceptions of factors leading to spasmodic dysphonia: a combined clinical experience of 350 patients.

Author information

1
New York Head and Neck Institute, Center for Voice and Swallowing Disorders, New York, New York 10019, USA. childs.lesley@gmail.com

Abstract

PURPOSE:

Spasmodic dysphonia (SD) is an idiopathic voice disorder that is characterized by either a strained, strangled voice quality or a breathy voice with aphonic segments of connected speech. It has been suggested that environmental factors play a role in triggering the onset. Clinical observation suggests that some patients associate onset with specific events or factors while others do not. The purpose of this study was to examine a large database of SD patients to determine if specific triggers are associated with the onset of SD.

PROCEDURES:

Retrospective chart review.

RESULTS:

A total of 350 charts of patients with SD were identified and were categorized as either "sudden onset" or "gradual onset." One hundred sixty-nine recalled their circumstances surrounding onset. Forty-five percent of these patients described the onset as sudden. Patient perceptions of inciting events in the sudden onset group were identified 77% of the time and 2% of the time in the gradual onset group. The most common factors identified were stress (42%), upper respiratory infection (33%), and pregnancy and parturition (10%).

CONCLUSIONS:

Thirty-five percent of SD patients perceive their disorder to have a sudden onset with identified inciting events. This prevalence raises questions regarding possible behavioral and environmental factors surrounding the onset of this disorder.

PMID:
21898448
DOI:
10.1002/lary.22168
[Indexed for MEDLINE]

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