Fiducial marker placement with electromagnetic navigation bronchoscopy: a subgroup analysis of the prospective, multicenter NAVIGATE study.

MedStar author(s):
Citation: Therapeutic Advances in Respiratory Disease. 13:1753466619841234, 2019 Jan-Dec.PMID: 30958102Institution: MedStar Franklin Square Medical CenterDepartment: Angelos Center for Lung DiseaseForm of publication: Journal ArticleMedline article type(s): Journal Article | Research Support, Non-U.S. Gov'tSubject headings: IN PROCESS -- NOT YET INDEXEDYear: 2019ISSN:
  • 1753-4658
Name of journal: Therapeutic advances in respiratory diseaseAbstract: BACKGROUND: Fiducial markers (FMs) help direct stereotactic body radiation therapy (SBRT) and localization for surgical resection in lung cancer management. We report the safety, accuracy, and practice patterns of FM placement utilizing electromagnetic navigation bronchoscopy (ENB).CONCLUSION: ENB is an accurate and versatile tool to place FMs for SBRT and localization for surgical resection with low complication rates. The ability to perform a biopsy safely in the same procedure can also increase efficiency. The impact of practice pattern variations on therapeutic effectiveness requires further study.METHODS: NAVIGATE is a global, prospective, multicenter, observational cohort study of ENB using the superDimensionTM navigation system. This prospectively collected subgroup analysis presents the patient demographics, procedural characteristics, and 1-month outcomes in patients undergoing ENB-guided FM placement. Follow up through 24 months is ongoing.RESULTS: Two-hundred fifty-eight patients from 21 centers in the United States were included. General anesthesia was used in 68.2%. Lesion location was confirmed by radial endobronchial ultrasound in 34.5% of procedures. The median ENB procedure time was 31.0 min. Concurrent lung lesion biopsy was conducted in 82.6% (213/258) of patients. A mean of 2.2 +/- 1.7 FMs (median 1.0 FMs) were placed per patient and 99.2% were accurately positioned based on subjective operator assessment. Follow-up imaging showed that 94.1% (239/254) of markers remained in place. The procedure-related pneumothorax rate was 5.4% (14/258) overall and 3.1% (8/258) grade 2 based on the Common Terminology Criteria for Adverse Events scale. The procedure-related grade 4 respiratory failure rate was 1.6% (4/258). There were no bronchopulmonary hemorrhages.TRIAL REGISTRATION: ClinicalTrials.gov identifier: NCT02410837.All authors: Anciano CJ, Bowling MR, Folch EE, Kazakov J, Khandhar SJ, Krimsky WS, LeMense GP, Linden PA, Murillo BA, Nead MA, Pritchett MA, Teba CV, Towe CW, Williams TFiscal year: FY2019Digital Object Identifier: Date added to catalog: 2019-05-21
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Journal Article MedStar Authors Catalog Article 30958102 Available 30958102

BACKGROUND: Fiducial markers (FMs) help direct stereotactic body radiation therapy (SBRT) and localization for surgical resection in lung cancer management. We report the safety, accuracy, and practice patterns of FM placement utilizing electromagnetic navigation bronchoscopy (ENB).

CONCLUSION: ENB is an accurate and versatile tool to place FMs for SBRT and localization for surgical resection with low complication rates. The ability to perform a biopsy safely in the same procedure can also increase efficiency. The impact of practice pattern variations on therapeutic effectiveness requires further study.

METHODS: NAVIGATE is a global, prospective, multicenter, observational cohort study of ENB using the superDimensionTM navigation system. This prospectively collected subgroup analysis presents the patient demographics, procedural characteristics, and 1-month outcomes in patients undergoing ENB-guided FM placement. Follow up through 24 months is ongoing.

RESULTS: Two-hundred fifty-eight patients from 21 centers in the United States were included. General anesthesia was used in 68.2%. Lesion location was confirmed by radial endobronchial ultrasound in 34.5% of procedures. The median ENB procedure time was 31.0 min. Concurrent lung lesion biopsy was conducted in 82.6% (213/258) of patients. A mean of 2.2 +/- 1.7 FMs (median 1.0 FMs) were placed per patient and 99.2% were accurately positioned based on subjective operator assessment. Follow-up imaging showed that 94.1% (239/254) of markers remained in place. The procedure-related pneumothorax rate was 5.4% (14/258) overall and 3.1% (8/258) grade 2 based on the Common Terminology Criteria for Adverse Events scale. The procedure-related grade 4 respiratory failure rate was 1.6% (4/258). There were no bronchopulmonary hemorrhages.

TRIAL REGISTRATION: ClinicalTrials.gov identifier: NCT02410837.

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