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O'Reilly EM, Sweeney AM, Deasy KF, Kennedy MP. A Pilot Clinical Evaluation of a New Single Use Bronchoscope. J Bronchology Interv Pulmonol 2023; 30:381-382. [PMID: 36252187 DOI: 10.1097/lbr.0000000000000904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
| | | | - Kevin F Deasy
- Department of Respiratory Medicine, Cork University Hospital, Wilton
| | - Marcus P Kennedy
- Department of Respiratory Medicine, Cork University Hospital, Wilton
- College of Medicine and Health, University College Cork, Cork, Ireland
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Deasy KF, Sweeney AM, Danish H, O'Reilly E, Ibrahim H, Kennedy MP. Single Use or Disposable Flexible Bronchoscopes: Bench Top and Preclinical Comparison of Currently Available Devices. J Intensive Care Med 2023; 38:519-528. [PMID: 36609193 PMCID: PMC10114257 DOI: 10.1177/08850666221148645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
BACKGROUND Data regarding the risk of infection related to reusable bronchoscopes, the global drive toward disposable technology and the COVID-19 pandemic have led to an increase in the use and production of single use or disposable bronchoscopes. An in-depth comparison of all available devices has not been published. METHODS A benchtop comparison of the Ambu®aScopeTM, Boston Scientific® EXALTTM Model B, the Surgical Company Broncoflex© Vortex, Pentax® Medical ONE Pulmo™, and Vathin® H-SteriscopeTM (all 2.8 mm inner dimension other than the Pentax single-use flexible bronchoscope (3 mm)) was undertaken including measurement of maximal flexion and extension angles, thumb force required and suction with and without biopsy forceps. Thereafter, preclinical assessment was performed with data collected including experience, gender, hand size, and scope preference. RESULTS The Vathin single-use flexible bronchoscope had the biggest range of tip movement from flexion to extension with and without forceps. The Boston single-use flexible bronchoscope required the maximal thumb force but had the least reduction of tip movement with forceps. The Boston single-use flexible bronchoscope significantly outperformed all other scopes including the standard Pentax scope and was the only scope capable of suctioning pseudo-mucus around the forceps. Although there was no significant difference in preference in the overall group, females and those with smaller hand size preferred the Pentax and males the Broncoflex single-use flexible bronchoscope. CONCLUSIONS Currently available single-use flexible bronchoscopes differ in several factors other than scope sizes and monitor including suction, turning envelope, and handle size. Performance in the clinical setting will be key to their success.
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Affiliation(s)
| | - Anne-Marie Sweeney
- Department of Respiratory Medicine, 57983Cork University Hospital, Cork, Ireland
| | - Hammad Danish
- Department of Respiratory Medicine, 57983Cork University Hospital, Cork, Ireland
| | - Emily O'Reilly
- Department of Respiratory Medicine, 57983Cork University Hospital, Cork, Ireland
| | - Hisham Ibrahim
- Department of Respiratory Medicine, 57983Cork University Hospital, Cork, Ireland
| | - Marcus Peter Kennedy
- Department of Respiratory Medicine, 57983Cork University Hospital, Cork, Ireland.,College of Medicine and Health, University College Cork, Cork, Ireland
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de Ruiter QMB, Fontana JR, Pritchard WF, Mauda-Havakuk M, Bakhutashvili I, Esparza-Trujillo JA, Varble NA, Verstege M, Xu S, Seifabadi R, Browning RF, Wood BJ, Karanian JW. Endovascular steerable and endobronchial precurved guiding sheaths for transbronchial needle delivery under augmented fluoroscopy and cone beam CT image guidance. Transl Lung Cancer Res 2021; 10:3627-3644. [PMID: 34584862 PMCID: PMC8435394 DOI: 10.21037/tlcr-21-275] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 06/25/2021] [Indexed: 11/16/2022]
Abstract
BACKGROUND Endobronchial navigation is performed in a variety of ways, none of which are meeting all the clinicians' needs required to reach diagnostic success in every patient. We sought to characterize precurved and steerable guiding sheaths (GS) in endobronchial targeting for lung biopsy using cone beam computed tomography (CBCT) based augmented fluoroscopy (AF) image guidance. METHODS Four precurved GS (EdgeTM 45, 90, 180, 180EW, Medtronic) and two steerable GS [6.5 F Destino Twist (DT), Oscor; 6 F Morph, BioCardia] were evaluated alone and in combination with an electromagnetic tracking (EM) guide and biopsy needles in three experimental phases: (I) bench model to assess GS deflection and perform biopsy simulations; (II) ex vivo swine lung comparing 2 steerable and 2 precurved GS; and (III) in vivo male swine lung to deliver a needle (n=2 swine) or to deliver a fiducial marker (n=2 swine) using 2 steerable GS. Ex vivo and in vivo image guidance was performed with either commercial or prototype AF image guidance software (Philips) based on either prior CT or procedural CBCT. Primary outcomes were GS delivery angle (θGS) and needle delivery angle (θN) in bench evaluation and needle delivery error (mm) (mean ± se) for ex vivo and in vivo studies. RESULTS The steerable DT had the largest range of GS delivery angles (θN: 0-114°) with either the 21 G or 19 G biopsy needle in the bench model. In ex vivo swine lung, needle delivery errors were 8.7±0.9 mm (precurved Edge 90), 5.4±1.9 mm (precurved Edge 180), 4.7±1.2 mm (steerable DT), and 5.6±2.4 mm (steerable Morph). In vivo, the needle delivery errors for the steerable GS were 6.0±1.0 mm (DT) and 15±7.0 mm (Morph). In vivo marker coil delivery was successful for both the steerable DT and morph GS. A case report demonstrated successful needle biopsy with the steerable DT. CONCLUSIONS Endobronchial needle delivery with AF guidance is feasible without a bronchoscope with steerable GS providing comparable or improved accuracy compared to precurved GS.
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Affiliation(s)
- Quirina M. B. de Ruiter
- Center for Interventional Oncology, Radiology & Imaging Sciences, National Institutes of Health Clinical Center, Bethesda, MD, USA
| | - Joseph R. Fontana
- Pulmonary Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA
| | - William F. Pritchard
- Center for Interventional Oncology, Radiology & Imaging Sciences, National Institutes of Health Clinical Center, Bethesda, MD, USA
| | - Michal Mauda-Havakuk
- Center for Interventional Oncology, Radiology & Imaging Sciences, National Institutes of Health Clinical Center, Bethesda, MD, USA
| | - Ivane Bakhutashvili
- Center for Interventional Oncology, Radiology & Imaging Sciences, National Institutes of Health Clinical Center, Bethesda, MD, USA
| | - Juan A. Esparza-Trujillo
- Center for Interventional Oncology, Radiology & Imaging Sciences, National Institutes of Health Clinical Center, Bethesda, MD, USA
| | - Nicole A. Varble
- Center for Interventional Oncology, Radiology & Imaging Sciences, National Institutes of Health Clinical Center, Bethesda, MD, USA
- Philips Research of North America, Cambridge, MA, USA
| | | | - Sheng Xu
- Center for Interventional Oncology, Radiology & Imaging Sciences, National Institutes of Health Clinical Center, Bethesda, MD, USA
| | - Reza Seifabadi
- Center for Interventional Oncology, Radiology & Imaging Sciences, National Institutes of Health Clinical Center, Bethesda, MD, USA
| | | | - Bradford J. Wood
- Center for Interventional Oncology, Radiology & Imaging Sciences, National Institutes of Health Clinical Center, Bethesda, MD, USA
- Center for Cancer Research, National Institutes of Health Clinical Center, Bethesda, MD, USA
| | - John W. Karanian
- Center for Interventional Oncology, Radiology & Imaging Sciences, National Institutes of Health Clinical Center, Bethesda, MD, USA
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