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Acquired tracheobronchomalacia

K Jokinen, T Palva, S Sutinen

    Annals of Clinical Research
    |April 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    Tracheobronchomalacia affects 4.5% of patients undergoing bronchoscopy, often presenting with dyspnea and chronic cough. This condition is frequently linked to chronic obstructive pulmonary diseases like chronic bronchitis.

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    Area of Science:

    • Pulmonology
    • Respiratory Medicine
    • Diagnostic Procedures

    Background:

    • Tracheobronchomalacia (TBM) is a condition characterized by excessive dynamic airway collapse.
    • Its prevalence and clinical significance, particularly in relation to other respiratory diseases, warrant further investigation.

    Purpose of the Study:

    • To determine the prevalence of tracheobronchomalacia in patients undergoing bronchoscopy.
    • To describe the clinical presentation, associated conditions, and severity of malacic changes.
    • To evaluate the utility of bronchoscopy in diagnosing TBM.

    Main Methods:

    • A retrospective analysis of 2150 patients who underwent bronchoscopy.
    • Assessment of airway dynamics during spontaneous breathing and coughing.
    • Histological examination in a subset of patients.

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    Main Results:

    • Tracheobronchomalacia was diagnosed in 4.5% of patients (94/2150).
    • Tracheobronchomalacia accounted for the majority of cases (63%), followed by tracheomalacia alone (22%) and bronchomalacia alone (15%).
    • Dyspnea (63%), chronic cough (49%), and hemoptysis (33%) were the primary symptoms. Concurrent conditions included chronic bronchitis (53%), bronchial cancer (27.5%), and pulmonary tuberculosis (19%).
    • Mild, moderate, and severe malacic changes were observed in 47%, 40.5%, and 12.5% of cases, respectively.
    • Bronchoscopy under local anesthesia proved effective in visualizing dynamic airway collapse.

    Conclusions:

    • Tracheobronchomalacia is a significant finding in patients undergoing bronchoscopy, often associated with chronic obstructive pulmonary diseases.
    • Bronchoscopy is the optimal diagnostic tool for evaluating dynamic airway collapse.
    • Further research into the shared etiological factors between TBM and COPD is recommended.