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Injury. 2018 Dec 19. pii: S0020-1383(18)30760-5. doi: 10.1016/j.injury.2018.12.026. [Epub ahead of print]

Migration of Aortic Occlusion Balloons in an in vitro model of the human circulation.

Author information

1
Department of Surgery, Alrijne Hospital, Leiderdorp, the Netherlands. Electronic address: blsborgervanderburg@alrijne.nl.
2
Department of Surgery, Leiden University Medical Center, Leiden, the Netherlands.
3
Department of Surgery, Alrijne Hospital, Leiderdorp, the Netherlands.
4
Uniformed Services University, Bethesda, MD, United States.
5
Department of Surgery, Alrijne Hospital, Leiderdorp, the Netherlands; Department of Surgery, Leiden University Medical Center, Leiden, the Netherlands; Defense Healthcare Organization, Ministry of Defense, Utrecht, the Netherlands.

Abstract

BACKGROUND:

Aortic Occlusion Balloons (AOB) are used for hemorrhage control in hemodynamically unstable patients. Stability of an AOB is essential for reliable aortic occlusion. The primary aim of this study is to determine whether different types of AOB migrate after total, intermittent or partial occlusion in a porcine aorta positioned in an in vitro model.

MATERIALS AND METHODS:

A porcine thoracic aortic section was positioned in a model of the human circulation. Primary and secondary migration was tested in Cook Coda™ 2-9.0-35-120-32 and 2-10-35-140-46, Cook Medical, USA; Rescue balloon™ Tokai RB-167080-E, Tokai Medical Products, Japan; Reliant™ AB46, Medtronic, USA; Russian prototype AOB; ER-REBOA™, Prytime Medical Devices, USA; LeMaitre™ 28 and 45 Aortic Occlusion Catheter, LeMaitre Vascular, USA. These AOB were tested in hypotensive, normotensive and hypertensive scenarios. Migration in total occlusion, intermittent occlusion and partial occlusion was recorded for all AOB.

RESULTS:

Limited primary migration occurred in all AOB after total occlusion. The Cook Coda™ 2-9.0-35-120-32 balloon showed maximal migration in 1 test cycle. No migration occurred during intermittent occlusion. Kinking occurs in various degrees but does not seem to prevent a successful occlusion of the aorta. No migration occurred during partial occlusion except in the Russian prototype AOB. In a partial occlusion scenario, distal perfusion occurred only with 5 ml remaining in all balloon types.

CONCLUSIONS:

All AOB were successful in full aortic occlusion. Limited primary migration occurred in all AOB after total occlusion only the Cook Coda™ 2-9.0-35-120-32 balloon showed maximal migration once. No migration occurred during intermittent occlusion, during partial occlusion only the Russian prototype AOB migrated. Stiffness and size of the catheter are important factors in preventing migration and kinking.

KEYWORDS:

Aortic occlusion balloon; Migration; Model; REBOA

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