| Pulmonary hemorrhage complicating radiofrequency ablation, from mild hemoptysis to life-threatening pattern. | |
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MedLine Citation:
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PMID: 20665216 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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PURPOSE: To assess risk factors and the extent of pulmonary hemorrhage complicating radiofrequency ablation (RFA) of pulmonary neoplasms. MATERIALS AND METHODS: This retrospective study involved 248 ablation sessions for lung tumors (20 primary lesions and 228 metastatic lesions) in 164 patients (mean age 59.7 years, SD: 10.2). Both unipolar and bipolar radiofrequency systems were used under CT fluoroscopic guidance. Extent and underlying factors associated with development of pulmonary hemorrhage were analyzed. RESULTS: Incidence of intra-parenchymal pulmonary hemorrhage, pleural effusion, and hemoptysis were 17.7% (44/248 sessions), 4% (8/248 sessions), and 16.1% (40/248 sessions), respectively. Death because of massive bleeding occurred in one session (0.4%). Significant risk factors associated with intra-parenchymal hemorrhage included: lesions of <1.5 cm diameter (P=0.007); basal and middle lung zone lesions (P=0.026); increased needle track distance traversing the lung parenchyma>2.5 cm (P=0.0017); traversing pulmonary vessels in the track of ablation (P<0.001); and the use of multi-tined electrodes (P=0.004). Concomitant incidence of pulmonary hemorrhage and pneumothorax was 29.2% (14/48 sessions). CONCLUSION: While typically safe, RFA of pulmonary neoplasms can result in pulmonary hemorrhage ranging from mild to life-threatening. Management of this complication is mainly preventive through adequate patient selection for ablation therapy and exclusion of technically avoidable risk factors. |
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Authors:
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Nour-Eldin A Nour-Eldin; Nagy N N Naguib; Martin Mack; John E Abskharon; Thomas J Vogl |
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Publication Detail:
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Type: Journal Article Date: 2010-07-28 |
Journal Detail:
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Title: European radiology Volume: 21 ISSN: 1432-1084 ISO Abbreviation: Eur Radiol Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2010-12-02 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9114774 Medline TA: Eur Radiol Country: Germany |
Other Details:
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Languages: eng Pagination: 197-204 Citation Subset: IM |
Affiliation:
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Institute for Diagnostic and Interventional Radiology, Johann Wolfgang Goethe-University Hospital, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Germany. nour410@hotmail.com |
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