1
|
Meissner F, Costa Galbas M, Dinkelaker J, Schmitz HC, Straky H, Reuter J, Czerny M, Bothe W. Intra-aortic band impairs transapical device implantation in a pig: a case report. BMC Vet Res 2023; 19:212. [PMID: 37853424 PMCID: PMC10583487 DOI: 10.1186/s12917-023-03781-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 10/08/2023] [Indexed: 10/20/2023] Open
Abstract
BACKGROUND Anatomic anomalies in the ascending aorta may impair the implantation and testing of cardiovascular devices in humans and animal models. CASE PRESENTATION We present the rare case of an intra-aortic band in a German Landrace pig. During terminal animal testing, the band hindered the implantation of a left ventricular assist device (LVAD) with transventricular outflow graft across the aortic valve. After lower partial sternotomy, epicardial echocardiography displayed an intraluminal echogenic structure at the sinotubular junction causing unspecific flow turbulences. Under cardiopulmonary bypass, coring of the left ventricular apex was performed. Due to strong resistance in the proximal aorta, accurate positioning of the transventricular LVAD outflow graft was impossible. After euthanasia, necropsy revealed a fibrous band located at the sinotubular junction, dividing the lumen of the ascending aorta. CONCLUSIONS The occurrence of an intra-aortic band represents an extremely rare case of a most likely congenital anomaly. Awareness of such anomalies is important for planning and performing animal testing. Perioperative echocardiography may help to either remove such anomalies or allow discontinuing the procedure prior to device implantation.
Collapse
Affiliation(s)
- Florian Meissner
- Department of Cardiovascular Surgery, University Heart Center Freiburg, Hugstetter Strasse 55, 79106, Freiburg, Germany.
- Faculty of Medicine, University of Freiburg, Freiburg, Germany.
| | - Michelle Costa Galbas
- Department of Cardiovascular Surgery, University Heart Center Freiburg, Hugstetter Strasse 55, 79106, Freiburg, Germany
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Johannes Dinkelaker
- Center for Experimental Models and Transgenic Service, Faculty of Medicine, University of Freiburg, Stefan-Meier-Strasse 17, 79104, Freiburg, Germany
| | - Heidi Cristina Schmitz
- Center for Experimental Models and Transgenic Service, Faculty of Medicine, University of Freiburg, Stefan-Meier-Strasse 17, 79104, Freiburg, Germany
| | - Hendrik Straky
- Department of Cardiovascular Surgery, University Heart Center Freiburg, Hugstetter Strasse 55, 79106, Freiburg, Germany
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Johanna Reuter
- Department of Cardiovascular Surgery, University Heart Center Freiburg, Hugstetter Strasse 55, 79106, Freiburg, Germany
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Martin Czerny
- Department of Cardiovascular Surgery, University Heart Center Freiburg, Hugstetter Strasse 55, 79106, Freiburg, Germany
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Wolfgang Bothe
- Department of Cardiovascular Surgery, University Heart Center Freiburg, Hugstetter Strasse 55, 79106, Freiburg, Germany
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
| |
Collapse
|
2
|
Shelton CC, Tyagi SC, Sanampudi S, Issa MM, Raissi D, Lowry CM, Winkler MA. Congenital intravascular abdominal aortic band initially thought to be a metallic foreign body: Characterization using microanatomical CT reconstruction technique. Radiol Case Rep 2019; 14:1127-1131. [PMID: 31360273 PMCID: PMC6637249 DOI: 10.1016/j.radcr.2019.06.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 06/12/2019] [Accepted: 06/29/2019] [Indexed: 11/25/2022] Open
Abstract
We present a patient with the initial misdiagnosis of a metallic foreign body in the abdominal aorta. Computed tomographic angiography utilizing microanatomical reconstruction technique revealed the structure to instead be a partially calcified abdominal aortic congenital fibrous band. Most congenital fibrous bands spanning the aortic lumen are proximal within the aorta and are thought to be supportive structures of the aortic valve leaflets. Congenital fibrous bands distal to the sinotubular junction are quite rare.
Collapse
Affiliation(s)
- Charles C Shelton
- Department of Radiology, Gill Heart Institute, University of Kentucky Chandler Medical Center, Lexington, KY, USA
| | - Samuel C Tyagi
- Department of Surgery, Division of Vascular Surgery, University of Kentucky Vascular Medicine Clinic, Lexington, KY, USA
| | - Sreeja Sanampudi
- Department of Radiology, Gill Heart Institute, University of Kentucky Chandler Medical Center, Lexington, KY, USA
| | - Mohamed M Issa
- Department of Radiology, Gill Heart Institute, University of Kentucky Chandler Medical Center, Lexington, KY, USA
| | - Driss Raissi
- Department of Radiology, Gill Heart Institute, University of Kentucky Chandler Medical Center, Lexington, KY, USA
| | - Conor M Lowry
- Department of Radiology, Gill Heart Institute, University of Kentucky Chandler Medical Center, Lexington, KY, USA
| | - Michael A Winkler
- Department of Radiology, Gill Heart Institute, University of Kentucky Chandler Medical Center, Lexington, KY, USA
| |
Collapse
|