Thorax · 2025
Diagnostic performance of shape-sensing robotic-assisted bronchoscopy for pleural-based and fissure-based pulmonary lesions.
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Fernandez-Bussy Sebastian, Yu Lee-Mateus Alejandra, Barrios-Ruiz Alanna, Valdes-Camacho Sofia, Lin Katherine, Ibrahim Mohamed I, Vaca-Cartagena Bryan F, Funes-Ferrada Rodrigo, Reisenauer Janani, Robertson Kelly S, Hazelett Britney N, Chadha Ryan M, Abia-Trujillo David
Аннотация
BACKGROUND: Sampling of peripheral pulmonary lesions (PPLs) abutting the pleura carries a higher risk of pneumothorax and complications. Although typically performed with image-guided transthoracic biopsy, the advent of shape-sensing robotic-assisted bronchoscopy (ssRAB) provides an alternative diagnostic procedure for this subtype of lesions.
METHODS: A retrospective study on PPL attached to the peripheral pleura (PP), comprising costal and diaphragmatic pleura, mediastinal pleura (MP), and fissural pleura (FP) sampled by ssRAB, from January 2020 to December 2023. Clinicodemographic data, PPL characteristics and procedure-related details were recorded. Primary outcome was diagnostic yield, defined as all conclusive diagnoses, malignant or benign, over the total number of procedures. Secondary outcomes were safety profile, defined as the number of procedure-related complications, and diagnostic yield with the use of mobile cone-beam CT (mCBCT) and by biopsy tool.
RESULTS: 182 nodules were sampled from 178 patients. PPLs were grouped as: PP (n=95), MP (n=30) and FP (n=57). Overall diagnostic yield was 80.2% (146/182) and sensitivity for malignancy was 83.2% (104/125). Diagnostic yield was associated with upper location (OR 2.86; 95% CI 1.35 to 6.03, p=0.006), mCBCT (OR 2.27; 95% CI 1.06 to 4.86, p=0.036) and cryobiopsy (OR 2.90; 95% CI 1.31 to 6.47, p=0.009). Pneumothorax requiring chest tube was reported in five patients (2.8%), and a Nashville Scale grade 3 bleeding occurred in one patient (0.6%).
CONCLUSION: For pleural-based and fissure-based nodules, ssRAB showed a high diagnostic yield with low complications. The addition of mCBCT and cryobiopsy improved the diagnostic performance for this subtype of lesions.
METHODS: A retrospective study on PPL attached to the peripheral pleura (PP), comprising costal and diaphragmatic pleura, mediastinal pleura (MP), and fissural pleura (FP) sampled by ssRAB, from January 2020 to December 2023. Clinicodemographic data, PPL characteristics and procedure-related details were recorded. Primary outcome was diagnostic yield, defined as all conclusive diagnoses, malignant or benign, over the total number of procedures. Secondary outcomes were safety profile, defined as the number of procedure-related complications, and diagnostic yield with the use of mobile cone-beam CT (mCBCT) and by biopsy tool.
RESULTS: 182 nodules were sampled from 178 patients. PPLs were grouped as: PP (n=95), MP (n=30) and FP (n=57). Overall diagnostic yield was 80.2% (146/182) and sensitivity for malignancy was 83.2% (104/125). Diagnostic yield was associated with upper location (OR 2.86; 95% CI 1.35 to 6.03, p=0.006), mCBCT (OR 2.27; 95% CI 1.06 to 4.86, p=0.036) and cryobiopsy (OR 2.90; 95% CI 1.31 to 6.47, p=0.009). Pneumothorax requiring chest tube was reported in five patients (2.8%), and a Nashville Scale grade 3 bleeding occurred in one patient (0.6%).
CONCLUSION: For pleural-based and fissure-based nodules, ssRAB showed a high diagnostic yield with low complications. The addition of mCBCT and cryobiopsy improved the diagnostic performance for this subtype of lesions.