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Kang RD, Schuchardt P, Charles J, Kumar P, Drews E, Kazi S, DePalma A, Fang A, Raymond A, Davis C, Massis K, Hoots G, Mhaskar R, Nezami N, Shaikh J. Predictors of endobronchial forceps utilization for inferior vena cava filter retrieval: when snare retrieval fails. CVIR Endovasc 2023; 6:55. [PMID: 37950835 PMCID: PMC10640549 DOI: 10.1186/s42155-023-00392-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Accepted: 08/15/2023] [Indexed: 11/13/2023] Open
Abstract
BACKGROUND Endobronchial forceps are commonly used for complex IVC filter removal and after initial attempts at IVC filter retrieval with a snare have failed. Currently, there are no clear guidelines to help distinguish cases where primary removal should be attempted with standard snare technique or whether attempts at removal should directly be started with forceps. This study is aimed to identify clinical and imaging predictors of snare failure which necessitate conversion to endobronchial forceps. METHODS Retrospective analysis of 543 patients who underwent IVC filter retrievals were performed at three large quaternary care centers from Jan 2015 to Jan 2022. Patient demographics and IVC filter characteristics on cross-sectional images (degree of tilt, hook embedment, and strut penetration, etc.) were reviewed. Binary multivariate logistic regression was used to identify predictors of IVC filter retrieval where snare retrieval would fail. RESULTS Thirty seven percent of the patients (n = 203) necessitated utilization of endobronchial forceps. IVC filter hook embedment (OR:4.55; 95%CI: 1.74-11.87; p = 0.002) and strut penetration (OR: 56.46; 95% CI 20.2-157.7; p = 0.001) were predictors of snare failure. In contrast, total dwell time, BMI, and degree of filter tilt were not associated with snare failure. Intraprocedural conversion from snare to endobronchial forceps was significantly associated with increased contrast volume, radiation dose, and total procedure times (p < 0.05). CONCLUSION IVC filter hook embedment and strut penetration were predictors of snare retrieval failure. Intraprocedural conversion from snare to endobronchial forceps increased contrast volume, radiation dose, and total procedure time. When either hook embedment or strut penetration is present on pre-procedural cross-sectional images, IVC filter retrieval should be initiated using endobronchial forceps. LEVEL OF EVIDENCE Level 3, large multicenter retrospective cohort.
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Affiliation(s)
- Richard D Kang
- University of South Florida, Morsani College of Medicine, Tampa, FL, USA
| | - Philip Schuchardt
- Department of Radiology, University of South Florida Health, Tampa General Hospital, Tampa, FL, USA
| | - Jonathan Charles
- University of South Florida, Morsani College of Medicine, Tampa, FL, USA
| | - Premsai Kumar
- Department of Radiology, University of South Florida Health, Tampa General Hospital, Tampa, FL, USA
| | - Elena Drews
- Department of Radiology and Image Guided Medicine, School of Medicine, Emory University, Atlanta, GA, USA
| | - Stephanie Kazi
- Department of Radiology and Image Guided Medicine, School of Medicine, Emory University, Atlanta, GA, USA
| | - Andres DePalma
- Department of Radiology and Image Guided Medicine, School of Medicine, Emory University, Atlanta, GA, USA
| | - Adam Fang
- Division of Vascular and Interventional Radiology, Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Aislynn Raymond
- Division of Vascular and Interventional Radiology, Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Cliff Davis
- Department of Radiology, University of South Florida Health, Tampa General Hospital, Tampa, FL, USA
- Radiology Associates of Florida, Tampa, FL, USA
| | - Kamal Massis
- Department of Radiology, University of South Florida Health, Tampa General Hospital, Tampa, FL, USA
- Radiology Associates of Florida, Tampa, FL, USA
| | - Glenn Hoots
- Department of Radiology, University of South Florida Health, Tampa General Hospital, Tampa, FL, USA
- Radiology Associates of Florida, Tampa, FL, USA
| | - Rahul Mhaskar
- Department of Radiology, University of South Florida Health, Tampa General Hospital, Tampa, FL, USA
| | - Nariman Nezami
- Division of Vascular and Interventional Radiology, Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
- Experimental Therapeutics Program, University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, MD, USA
| | - Jamil Shaikh
- Department of Radiology, University of South Florida Health, Tampa General Hospital, Tampa, FL, USA.
- Radiology Associates of Florida, Tampa, FL, USA.
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