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Percutaneous Aortic Balloon Valvuloplasty and Intracardiac Adrenaline in Electromechanical Dissociation as Bridge to Transcatheter Aortic Valve Implantation

Ellenberger, Christophe
Published in Medicine (Baltimore). 2015, vol. 94, no. 26, p. e1061
Abstract This report describes an emergent balloon aortic valvuloplasty (BAV) procedure performed under cardiopulmonary resuscitation in a 79-year-old man with severe symptomatic aortic stenosis (mean gradient 78 mm Hg, valve area 0.71 cm, and left ventricular ejection fraction 40%) awaiting surgery and who was admitted for heart failure rapidly evolving to cardiogenic shock and multiorgan failure. Decision was made to perform emergent BAV. After crossing the valve with a 6 French catheter, the patient developed an electromechanical dissociation confirmed at transesophageal echocardiography and cardiac arrest. Manual chest compressions were initiated along with the application of high doses of intravenous adrenaline, and BAV was performed under ongoing resuscitation. Despite BAV, transoesophageal echocardiography demonstrated no cardiac activity. At this point, it was decided to advance a pigtail catheter over the wire already in place in the left ventricle and to inject intracardiac adrenaline (1 mg, followed by 5 mg). Left ventricular contraction progressively resumed and, in the absence of aortic regurgitation, an intraaortic balloon pump was inserted. The patient could be weaned from intraaortic balloon pump and vasopressors on day 1, extubated on day 6, and recovered from multiorgan failure. In the absence of neurologic deficits, he underwent uneventful transcatheter aortic valve implantation on day 12 and was discharged to a cardiac rehabilitation program on day 30. At 3-month follow-up, he reported dyspnea NYHA class II as the only symptom.This case shows that severe aortic stenosis leading to electromechanical dissociation may be treated by emergent BAV and intracardiac administration of high-dose adrenaline. Intracardiac adrenaline may be considered in case of refractory electromechanical dissociation occurring in the cardiac catheterization laboratory.
Keywords AgedAortic Valve Stenosis/complications/surgeryBalloon ValvuloplastyCardiopulmonary ResuscitationEpinephrine/administration & dosageHumansMaleSympathomimetics/administration & dosageTranscatheter Aortic Valve Replacement
PMID: 26131825
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Article (Published version) (395 Kb) - public document Free access
Research groups Groupe de recherche en hémodynamique (913)
Groupe Gasche Yvan (Soins intensifs) (501)
(ISO format)
CHAARA, Jawad et al. Percutaneous Aortic Balloon Valvuloplasty and Intracardiac Adrenaline in Electromechanical Dissociation as Bridge to Transcatheter Aortic Valve Implantation. In: Medicine (Baltimore), 2015, vol. 94, n° 26, p. e1061. doi: 10.1097/MD.0000000000001061 https://archive-ouverte.unige.ch/unige:86795

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Deposited on : 2016-09-06

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