Risk Factors of Pneumothorax after CT-Guided Coaxial Cutting Needle Lung Biopsy through Aerated versus Nonaerated Lung |
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| Institution: | 1. Department of Medical Imaging, Taipei Tzu Chi Hospital, The Buddhist Tzu Chi Medical Foundation, #289 Jianguo Road, Xindian District, New Taipei City 23141, Taiwan;2. Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Taipei Tzu Chi Hospital, The Buddhist Tzu Chi Medical Foundation, #289 Jianguo Road, Xindian District, New Taipei City 23141, Taiwan;3. Department of Internal Medicine, Yi Min Hospital, Taipei, Taiwan;4. Department of Internal Medicine, National Taiwan University Hospital and College of Medicine, Taipei, Taiwan;4. Department of Pulmonary Medicine, Taipei Medical University, Wanfang Hospital, Taipei, Taiwan;5. School of Medicine, Tzu Chi University, Hualien, Taiwan;1. Department of Imaging, Division of Interventional Radiology, Massachusetts General Hospital, 55 Fruit Street, 290 Gray/Bigelow;2. Department of Imaging, Division of Diagnostic Imaging Physics, Massachusetts General Hospital, 55 Fruit Street, 290 Gray/Bigelow;3. Department of Imaging, Webster Center for Advanced Research and Education in Radiation, Massachusetts General Hospital, 55 Fruit Street, 290 Gray/Bigelow;4. Harvard Medical School, Boston, MA 02114;1. Department of Diagnostic Radiology, National Cancer Center Hospital, Tokyo;2. Department of Radiology, North Medical Center, Kyoto Prefectural University of Medicine, Kyoto, Japan;1. Department of Radiology, University of Washington School of Medicine, 1959 Northeast Pacific Street, Seattle, WA 98195, USA;2. Department of Surgery, University of Washington School of Medicine, 1959 Northeast Pacific Street, Seattle, WA 98195, USA;3. Department of Radiology, VA Puget Sound Health Care System, 1660 South Columbian Way, Seattle, WA 98108, USA;4. Department of Radiology, Winthrop-University Hospital, 259 First Street, Mineola, NY 11501, USA;1. Michael G. DeGroote School of Medicine, McMaster University, Hamilton, Ontario, Canada;2. Diagnostic Imaging Department, St. Joseph’s Healthcare Hamilton, 50 Charlton Ave. E, Hamilton, ON, Canada L8N 4A6 |
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| Abstract: | PurposeTo compare the risk factors of developing a pneumothorax after computed tomography–guided lung biopsy in cases in which aerated lung is traversed and in cases in which aerated lung is not traversed.Materials and MethodsThe records of 381 patients from July 2005–December 2009 were retrospectively reviewed. Multivariable analysis of patient demographic characteristics, lung lesion characteristics, and biopsy procedure details was performed with respect to the development of pneumothorax.ResultsAmong 381 patients, 249 biopsies traversed aerated lung tissue, and 132 biopsies did not traverse aerated lung tissue. Patients in whom aerated lung tissue was traversed had a significantly higher rate of pneumothorax. When aerated lung was not traversed, lesion size (≤ 2 cm vs > 2 cm; P = .025) and pleural-lesion angle (odds ratio = 1.033/degree; P = .004) were associated with pneumothorax. When aerated lung was traversed, location (middle vs upper; P = .009) and a transfissure approach (yes vs no; P = .001) were associated with pneumothorax.ConclusionsWhen aerated lung was not traversed, lesion size and pleural-lesion angle were associated with pneumothorax, and when aerated lung was traversed, location and a transfissure approach were associated with pneumothorax. |
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| Keywords: | OR"} {"#name":"keyword" "$":{"id":"key0010"} "$$":[{"#name":"text" "_":"odds ratio |
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