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Percutaneous CT guided lung biopsy in patients with pulmonary hypertension: Assessment of complications.
European Journal of Radiology 2016 Februrary
PURPOSE: To assess the complications of CT-guided percutaneous transthoracic needle aspiration and/or core biopsy (PTNAB) of lung nodules in patients with pulmonary arterial hypertension (PHTN).
METHOD AND MATERIALS: We analyzed PTNAB of 74 lung lesions (mean size: 3.6 ± 2.1 cm) in 74 patients (M: F 38:36; age 68 ± 15 years) with documented PHTN on cardiac ultrasound. 39 patients with lung lesions (M: F 24:15; age 65 ± 14) who underwent PTNAB in the same period with right ventricle systolic pressure (RVSP) <35 mm Hg were selected as controls. Pulmonary arterial pressures were estimated on cardiac ultrasounds by using the tricuspid regurgitation jet method. Two thoracic radiologists reviewed the medical records and PTNAB images on a PACS station and documented nodule size, location, distance traversed in lung, technical success and complications.
RESULTS: Fine needle aspirates were obtained in all and core biopsy in 23% (17/74) of the nodules. 61% (45/74) of the nodules were in the middle and 39% (29/74) were in the outer third of lung. PHTN was mild, moderate and severe in 84% (62/74), 13% (10/74) and 3% (2/74) of the patients. Biopsy was complicated by hemorrhage in 26% (19/74), moderate hemoptysis in 1.3% (1/74), pneumothorax in 17% (12/74), chest tube in 1.3% (1/74) and hemothorax in 1.3% (1/74) of the patients. The complications rate in control group was similar, hemorrhage in 33% (19/39) (p=0.6), moderate hemoptysis in 5% (2/39) (p=0.3), pneumothorax in 28% (11/39) (p=0.2), chest tube in (0/39) (p=0.3), and hemothorax in 3% (1/39) of the patients (p=0.7).
CONCLUSION: Percutaneous needle biopsy of lung lesions in patients with mild to moderate PHTN can be performed without significant increase in complications.
METHOD AND MATERIALS: We analyzed PTNAB of 74 lung lesions (mean size: 3.6 ± 2.1 cm) in 74 patients (M: F 38:36; age 68 ± 15 years) with documented PHTN on cardiac ultrasound. 39 patients with lung lesions (M: F 24:15; age 65 ± 14) who underwent PTNAB in the same period with right ventricle systolic pressure (RVSP) <35 mm Hg were selected as controls. Pulmonary arterial pressures were estimated on cardiac ultrasounds by using the tricuspid regurgitation jet method. Two thoracic radiologists reviewed the medical records and PTNAB images on a PACS station and documented nodule size, location, distance traversed in lung, technical success and complications.
RESULTS: Fine needle aspirates were obtained in all and core biopsy in 23% (17/74) of the nodules. 61% (45/74) of the nodules were in the middle and 39% (29/74) were in the outer third of lung. PHTN was mild, moderate and severe in 84% (62/74), 13% (10/74) and 3% (2/74) of the patients. Biopsy was complicated by hemorrhage in 26% (19/74), moderate hemoptysis in 1.3% (1/74), pneumothorax in 17% (12/74), chest tube in 1.3% (1/74) and hemothorax in 1.3% (1/74) of the patients. The complications rate in control group was similar, hemorrhage in 33% (19/39) (p=0.6), moderate hemoptysis in 5% (2/39) (p=0.3), pneumothorax in 28% (11/39) (p=0.2), chest tube in (0/39) (p=0.3), and hemothorax in 3% (1/39) of the patients (p=0.7).
CONCLUSION: Percutaneous needle biopsy of lung lesions in patients with mild to moderate PHTN can be performed without significant increase in complications.
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