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J Vasc Interv Radiol. 2014 Aug;25(8):1209-17. doi: 10.1016/j.jvir.2014.03.031. Epub 2014 May 20.

Risk factors of pneumothorax after CT-guided coaxial cutting needle lung biopsy through aerated versus nonaerated lung.

Author information

  • 1Division 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.
  • 2Department of Internal Medicine, Yi Min Hospital, Taipei, Taiwan.
  • 3Department of Internal Medicine, National Taiwan University Hospital and College of Medicine, Taipei, Taiwan.
  • 4Department of Pulmonary Medicine, Taipei Medical University, Wanfang Hospital, Taipei, Taiwan.
  • 5Department of Medical Imaging, Taipei Tzu Chi Hospital, The Buddhist Tzu Chi Medical Foundation, #289 Jianguo Road, Xindian District, New Taipei City 23141, Taiwan.
  • 6Division 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; School of Medicine, Tzu Chi University, Hualien, Taiwan.
  • 7Division 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; School of Medicine, Tzu Chi University, Hualien, Taiwan. Electronic address: drbfci@yahoo.com.tw.

Abstract

PURPOSE:

To 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 METHODS:

The 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.

RESULTS:

Among 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.

CONCLUSIONS:

When 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.

Copyright © 2014 SIR. Published by Elsevier Inc. All rights reserved.

PMID:
24854390
[PubMed - indexed for MEDLINE]
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