Paradoxical Vocal Fold Motion (Dysfunction) Flashcards
What is PVFM
Paradoxical Vocal Fold Motion Abnormal adduction of the vocal folds (+/- arytenoid movement) during the respiratory cycle that produces airflow obstruction at the level of the larynx
Abnormal adduction pattern
Typical Pediatric Profile for PVFM
3:1 female to male ratio high achievers competitive sports anxiety, ADHD, depression
Typical Adult Profile PVFM
4:1 female to male 40-50 years of age 12 years of education healthcare field high rates of medical utilization anxiety, depression
Clinical History/Presentation
Episodic Tightness localized to the laryngeal area Classically an inspiratory problem Tightness in chest Dyspnea and/or stridor Fast onset and fast resolution Poor response to beta-antagonists and corticosteroids Not usually associated with nocturnal awakening due to breathless May have co-existing asthma, GERD, allergies/PND, psychiatric issues
Hormones, Exercise, and Anxiety Hypotheses
Hypothesis: Some women may be a pre-disposed to laryngeal changes as a result of estrogen Hypothesis: Brain might interpret pushing breathing to the limit as danger ad reflexes kick in to ‘protect the airway’ Hypothesis: key CNS areas that control short-term protective reflexes get stuck ‘on’ Stimulus–> Thought/belief–> Emotion–>Behavior
Behavioral Intervention
Patient Education Tension Identification and Control Diaphragmatic breathing Open, relaxed breathing Supportive Counseling
PVFM Overall Summary
Often under-recognized Careful, trans-disciplinary assessment May be associated with underlying conditions Individualized ‘laryngeal rehabilitation’ by an experienced therapist