Predictors of Diagnostic Yield in Bronchoscopy
Author Information
Author(s): Roth Kjetil, Hardie Jon A, Andreassen Alf H, Leh Friedemann, Eagan Tomas ML
Primary Institution: Haukeland University Hospital
Hypothesis
What are the predictors of diagnostic yield in bronchoscopy for lung cancer?
Conclusion
Visible lesions and larger tumor size are significant predictors of higher diagnostic yield in bronchoscopy.
Supporting Evidence
- The combined diagnostic yield of biopsy and TBNA was 83.7% for endobronchial lesions.
- 44% of patients had a conclusive diagnosis from the first bronchoscopy.
- Endobronchial visibility was a significant predictor for a higher diagnostic yield.
- The overall sensitivity for cancer increased from 16.7% in non-visible lesions to 76.6% in visible lesions.
Takeaway
Doctors can find out if someone has lung cancer by looking at samples taken from their lungs, and it's easier to find cancer if the tumor is bigger and can be seen clearly.
Methodology
The study reviewed bronchoscopies performed on suspicion of lung malignancy and included 363 patients with proven malignant lung disease, analyzing various sampling techniques.
Potential Biases
Patient selection bias may affect the generalizability of the results.
Limitations
The study was retrospective and may have selection bias due to the choice of sampling methods left to the examiner's judgment.
Participant Demographics
{"male":221,"female":142,"age_distribution":{"<59":87,"59-67":92,"68-74":90,">74":94}}
Statistical Information
P-Value
p<0.001
Confidence Interval
95% CI
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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