Michele Anzidei1, Beatrice Sacconi2, Francesco Fraioli3, Luca Saba4, Pierleone Lucatelli1, Alessandro Napoli1, Flavia Longo5, Domenico Vitolo6, Federico Venuta7, Marco Anile7, Daniele Diso7, Mario Bezzi1, Carlo Catalano1. 1. Department of Radiological, Oncological and Anatomopathological Sciences - Radiology, 'Sapienza' University of Rome, Rome, Italy. 2. Department of Radiological, Oncological and Anatomopathological Sciences - Radiology, 'Sapienza' University of Rome, Rome, Italy beatrice.sacconi@fastwebnet.it. 3. Institute of Nuclear Medicine, University College London Hospital, London, UK. 4. Department of Radiology, Azienda Ospedaliero Universitaria (A.O.U.), di Cagliari - Polo di Monserrato, Monserrato, Italy. 5. Department of Radiological, Oncological and Anatomopathological Sciences - Oncology, 'Sapienza' University of Rome, Rome, Italy. 6. Department of Radiological, Oncological and Anatomopathological Sciences- Pathology, 'Sapienza' University of Rome, Rome, Italy. 7. Department of Thoracic Surgery, 'Sapienza' University of Rome, Rome, Italy.
Abstract
OBJECTIVES: To propose a risk score predicting the potential occurrence of procedure-related complications in patients undergoing computed tomography (CT)-guided lung biopsy. METHODS: Institution review board approval was obtained. A total of 342 CT-guided lung biopsies were retrospectively evaluated taking into account procedure-related complications and associated risk factors, including patient gender and age, previous radiation therapy (RT) and/or chemotherapy (CHT), lesion size, depth and location, incomplete pulmonary fissures, associated diffuse lung diseases, previous pneumothorax (PNX), lung volumes, punctured fissures, thoracic access, needle size and operator experience. Complications were assessed on chest X-ray and/or CT scans. Stepwise logistic regression was used to identify risk factors, to evaluate their correlation with procedure-related complications and to calculate models of risk (MoRs). RESULTS: PNX requiring chest tube placement occurred in 39 patients (11.4%), high-grade pulmonary parenchymal haemorrhage occurred in 62 patients (18.1%) and haemothorax occurred in 12 patients (3.5%). Risk factors increasing the incidence of complications were lesion size (P = 0.01), lesion depth (P = 0.01) and incomplete pulmonary fissures (P = 0.01); previous chemo-radiation therapy was correlated to a lower incidence of complications (P = 0.01). MoR for PNX was as follows: risk base line = 60%; age = +0.15%/year; punctured fissures = +20%; incomplete fissures = +9%; previous CHT/RT = -10%. MoR for parenchymal haemorrhage was as follows: risk base line = 20%, lesion depth = +0.8%/mm; age = +0.25%/year; incomplete fissures = +15%. MoR for haemothorax was as follows: risk base line = 1%; previous PNX = +20%; incomplete fissures = 7%; both previous PNX and incomplete fissures = +67%. CONCLUSION: This study provides MoRs to predict the risk of complications in patients undergoing CT-guided percutaneous lung biopsies.
OBJECTIVES: To propose a risk score predicting the potential occurrence of procedure-related complications in patients undergoing computed tomography (CT)-guided lung biopsy. METHODS: Institution review board approval was obtained. A total of 342 CT-guided lung biopsies were retrospectively evaluated taking into account procedure-related complications and associated risk factors, including patient gender and age, previous radiation therapy (RT) and/or chemotherapy (CHT), lesion size, depth and location, incomplete pulmonary fissures, associated diffuse lung diseases, previous pneumothorax (PNX), lung volumes, punctured fissures, thoracic access, needle size and operator experience. Complications were assessed on chest X-ray and/or CT scans. Stepwise logistic regression was used to identify risk factors, to evaluate their correlation with procedure-related complications and to calculate models of risk (MoRs). RESULTS: PNX requiring chest tube placement occurred in 39 patients (11.4%), high-grade pulmonary parenchymal haemorrhage occurred in 62 patients (18.1%) and haemothorax occurred in 12 patients (3.5%). Risk factors increasing the incidence of complications were lesion size (P = 0.01), lesion depth (P = 0.01) and incomplete pulmonary fissures (P = 0.01); previous chemo-radiation therapy was correlated to a lower incidence of complications (P = 0.01). MoR for PNX was as follows: risk base line = 60%; age = +0.15%/year; punctured fissures = +20%; incomplete fissures = +9%; previous CHT/RT = -10%. MoR for parenchymal haemorrhage was as follows: risk base line = 20%, lesion depth = +0.8%/mm; age = +0.25%/year; incomplete fissures = +15%. MoR for haemothorax was as follows: risk base line = 1%; previous PNX = +20%; incomplete fissures = 7%; both previous PNX and incomplete fissures = +67%. CONCLUSION: This study provides MoRs to predict the risk of complications in patients undergoing CT-guided percutaneous lung biopsies.
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