Abstract
Background: Transbronchial lung cryobiopsy (TBLC) has a high incidence of adverse events. This study aimed to investigate the relationship between the occurrence of these events and the condition of the pathology samples or pathological diagnosis in TBLC. Methods: We studied 102 patients who underwent TBLC for the diagnosis of interstitial lung disease. We analyzed the association between the condition or diagnosis of pathology samples and the occurrence of TBLC-related adverse events, including hemorrhage, pneumothorax, and acute exacerbation of interstitial lung disease. Results: The adverse events occurred in 19 patients (18.6%), of which hemorrhage was the most common (14 patients, 13.7%). The patients who experienced adverse events, especially hemorrhage, were less likely to have successful sampling with TBLC and showed lower diagnostic confidence in the pathology results. The diagnostic confidence was level A in 50 cases (49.0%) and level C in 23 cases (22.6%). TBLC-related adverse events, including hemorrhage, were significantly more common in patients with lower pathological confidence levels. Conclusions: TBLC-related adverse events, particularly hemorrhage, can lead to fewer successful samples and lower levels of diagnostic confidence.
Published Version
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