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Bronchial findings in pulmonary tuberculosis.

K Jokinen, T Palva, J Nuutinen

Clinical Otolaryngology and Allied Sciences

|May 1, 1977

Summary

This study on pulmonary tuberculosis patients found active endobronchial tuberculosis in 11.6% of active cases. Bronchial aspirates were more reliable for diagnosing infection than sputum cultures.

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Area of Science:

Pulmonology
Infectious Diseases
Medical Diagnostics

Background:

Pulmonary tuberculosis (TB) diagnosis and management remain critical global health challenges.
Endobronchial tuberculosis (EBTB) represents a significant manifestation of pulmonary TB, impacting disease progression and transmission.
Understanding the diagnostic utility of bronchoscopy and associated procedures is essential for effective TB patient care.

Purpose of the Study:

To evaluate the diagnostic yield of bronchoscopy in patients with pulmonary tuberculosis.
To assess the prevalence of active and inactive endobronchial tuberculosis.
To compare the reliability of sputum samples versus bronchial aspirates for microbiological confirmation of TB.

Main Methods:

A retrospective analysis of 297 bronchoscopies performed on 238 pulmonary tuberculosis patients between 1967-1973.
Assessment of active versus inactive tuberculous processes and diagnosis of active/inactive endobronchial tuberculosis.
Comparison of bacterial culture results from sputum and bronchial aspirates, alongside bronchography findings.

Main Results:

Active endobronchial tuberculosis was diagnosed in 11.6% of patients with active pulmonary TB.
Inactive sequelae of EBTB were observed in 7% of all patients.
Bacterial cultures from bronchial aspirates were more reliable for infection detection than sputum cultures, though sputum samples yielded more positive results.

Conclusions:

Bronchoscopy is a valuable tool for diagnosing endobronchial tuberculosis in patients with pulmonary TB.
Bronchial aspirate cultures offer superior reliability for confirming TB infection compared to sputum cultures.
Further research into diagnostic modalities for pulmonary TB is warranted.

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