Transbronchial Cryobiopsy for Diagnosing Parenchymal Lung Diseases: Real-Life Experience from a Tertiary Referral Center Cryobiopsy for Diagnosing Parenchymal Lung Diseases: Real-Life Experience

Main Article Content

Demet Turan http://orcid.org/0000-0002-2401-9385
Efsun Gonca Uğur Chousein http://orcid.org/0000-0002-8029-6627
Aysu Sinem Koç http://orcid.org/0000-0001-5402-6730
Mustafa Çörtük
Zeynep Yıldırım http://orcid.org/0000-0002-2228-8215
Barış Demirkol
Mehmet Akif Özgül http://orcid.org/0000-0003-1110-6823
Halit Çınarka
Neslihan Akalın http://orcid.org/0000-0002-2171-5844
Aytül Hande Yardımcı http://orcid.org/0000-0002-5163-9141
Erdoğan Çetinkaya http://orcid.org/0000-0002-0891-0020

Keywords

Transbronchial cryobiopsy, Bronchoscopy, Parenchymal lung diseases, Diagnostic yield

Abstract

Background and Objectives: Transbronchial cryobiopsy (cryo-TBB) is increasingly being used in the diagnosis of diffuse parenchymal lung diseases (DPLD). Varying diagnostic success and complication rates have been reported. Herein we report our experience with cryo-TBB, focusing on diagnostic yield, factors affecting diagnosis, and safety.


Methods: This retrospective study was conducted in a tertiary referral chest diseases hospital. Data regarding the patients, procedures, complication rates, diagnostic yield, and the final diagnosis made by a multidisciplinary committee were evaluated.


Results: We recruited 147 patients with suspected DPLD. The definitive diagnosis was made pathologically in 98 of 147 patients (66.6%) and using a multidisciplinary approach in 109 of 147 (74.1%) cases. The number of samples had a significant effect on diagnostic success. Histopathologic diagnostic yield and diagnostic yield with a multidisciplinary committee after a single biopsy were 50%, and histopathological diagnostic yield and diagnostic yield with multidisciplinary committee increased to 71.4% and 85.7%, respectively, with a second biopsy (p = 0.034). The incidence of mild-to-moderate hemorrhage was 31.9%; no severe hemorrhage occurred. Pneumothorax rate was 15.6%, and the mortality rate was 0.68%.


Conclusions: Cryo-TBB has sufficient diagnostic yield in the context of a multidisciplinary diagnosis with acceptable complication rates. Performing at least 2 biopsies and from at least 2 segments increases diagnostic success.


Background and Objectives: Transbronchial cryobiopsy (cryo-TBB) is increasingly being used in the diagnosis of diffuse parenchymal lung diseases (DPLD). Varying diagnostic success and complication rates have been reported. Herein we report our experience with cryo-TBB, focusing on diagnostic yield, factors affecting diagnosis, and safety.


Methods: This retrospective study was conducted in a tertiary referral chest diseases hospital. Data regarding the patients, procedures, complication rates, diagnostic yield, and the final diagnosis made by a multidisciplinary committee were evaluated.


Results: We recruited 147 patients with suspected DPLD. The definitive diagnosis was made pathologically in 98 of 147 patients (66.6%) and using a multidisciplinary approach in 109 of 147 (74.1%) cases. The number of samples had a significant effect on diagnostic success. Histopathologic diagnostic yield and diagnostic yield with a multidisciplinary committee after a single biopsy were 50%, and histopathological diagnostic yield and diagnostic yield with multidisciplinary committee increased to 71.4% and 85.7%, respectively, with a second biopsy (p = 0.034). The incidence of mild-to-moderate hemorrhage was 31.9%; no severe hemorrhage occurred. Pneumothorax rate was 15.6%, and the mortality rate was 0.68%.


Conclusions: Cryo-TBB has sufficient diagnostic yield in the context of a multidisciplinary diagnosis with acceptable complication rates. Performing at least 2 biopsies and from at least 2 segments increases diagnostic success.

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