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Investigation into Deep Breathing through Measurement of Ventilatory Parameters and Observation of Breathing Patterns

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Medically unexplained dyspnea: partly moderated by dysfunctional (thoracic dominant) breathing pattern.

Rosalba Courtney¹, Jan van Dixhoorn, Kenneth Mark Greenwood

¹School of Health Science, Royal Melbourne Institute of Technology (RMIT) University, Melbourne, Australia. courtney2107@optusnet.com.au

The Journal of Asthma : Official Journal of the Association for the Care of Asthma

|February 24, 2011

Summary

Dysfunctional breathing (DB) and abnormal breathing patterns are linked, particularly in patients experiencing dyspnea. Treatment improved both breathing patterns and DB symptoms, especially for those with initial abnormal breathing.

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Area of Science:

Respiratory Medicine
Psychosomatic Medicine
Clinical Physiology

Background:

Dysfunctional breathing (DB) is associated with medically unexplained symptoms, including disproportionate dyspnea.
The Nijmegen Questionnaire (NQ) and abnormal breathing patterns are common assessments for DB.
The NQ's symptom categories may stem from various causes beyond hypocapnia, such as breathing pattern dysfunction.

Purpose of the Study:

To investigate the relationship between abnormal breathing patterns and Nijmegen Questionnaire (NQ) symptom categories.
To explore correlations between breathing pattern abnormalities and respiratory/dyspnea symptoms.

Main Methods:

62 patients with medically unexplained complaints underwent assessment using the NQ and Manual Assessment of Respiratory Motion (MARM).
NQ subscales were created for tension, central neurovascular, peripheral neurovascular, and dyspnea.
Relationships between NQ scores (total and subscales) and MARM values were analyzed pre- and post-treatment.

Main Results:

Elevated NQ and MARM scores indicated dysfunctional breathing and thoracic dominance initially.
A correlation was found between MARM and NQ, with dyspnea symptoms specifically linked to abnormal MARM.
Treatment normalized both NQ and MARM scores, with significant improvements in NQ dyspnea subscale scores correlating with initial MARM values.

Conclusions:

Abnormal breathing patterns, particularly thoracic dominance, are associated with specific NQ symptoms, especially dyspnea.
The study highlights the link between breathing pattern dysfunction and subjective symptom reporting.
Therapeutic interventions effectively improved both breathing patterns and DB symptoms, underscoring the importance of addressing breathing mechanics.