JACC: CARDIOVASCULAR INTERVENTIONS

VOL. 7, NO. 11, 2014

ª 2014 BY THE AMERICAN COLLEGE OF CARDIOLOGY FOUNDATION

ISSN 1936-8798/$36.00

PUBLISHED BY ELSEVIER INC.

http://dx.doi.org/10.1016/j.jcin.2014.05.034

Acute Artery Occlusion During Transcatheter Aortic Valve Replacement in a Patient With an Anomalous Origin of the Circumflex Artery Juan Gabriel Acosta-Vélez, MD,* Bruno García del Blanco, MD,*y Josep Guindo, MD,y Jose Montiel Serrano, MD,y Hug Cuellar Calabria, MD,*y Gerard Martí Aguasca, MD,*y Teresa Gonzalez-Alujas, MD,*y Ignasi Durán, MD,y Pilar Tornos, MD, PHD*y

T

he following images belong to a 86-year-old

an uneventful implantation of a bare-metal stent in

woman with severe aortic stenosis in whom

the LCX. Computed tomography–adapted Cover in-

a transcatheter aortic valve replacement

dex was 17%, and relative oversizing was 20%. We

(TAVR) was performed (Figure 1, Online Videos 1, 2,

can speculate that the use of a smaller prosthesis

and 3). Pre-procedural angiography revealed an

size may have resulted in a lesser degree or absence

anomalous origin of the left circumflex coronary ar-

of coronary compression. The left coronary artery is

tery (LCX) from the right coronary sinus below the

the most commonly involved artery in reported

ostium of the right coronary artery with a retroannular

cases of acute arterial occlusion during TAVR. Most

trajectory, as shown by a computed tomography scan.

of these cases are due to ostial compression (1–4).

As a preventive measure, an intracoronary catheter

Nevertheless, when the LCX originates from the

and a 0.014-inch guidewire were positioned in the

right coronary sinus, compression at the posterior

LCX at the beginning of the TAVR procedure. After

aortic annulus should also be considered in order

balloon inflation and liberation of the 26-mm Sapien

to undertake preventive measures, as highlighted

XT valve (Edwards Lifesciences, Irvine, California),

by our case.

severe narrowing of the LCX was documented with no immediate evidence of hemodynamic or

REPRINT REQUESTS AND CORRESPONDENCE: Dr.

electrocardiographic repercussions. Administration

Juan Gabriel Acosta Vélez, Hospital Universitari Vall d’He-

of intracoronary nitroglycerin showed no luminal

bron, Universitat Autonoma de Barcelona, Passeig de la Vall

improvement, which supports the hypothesis of ex-

d’Hebron, 119-129, 08035 Barcelona, España. E-mail:

trinsic compression. It was, therefore, treated with

[email protected] or [email protected]

From *Servei de Cardiologia, Hospital Universitari Vall d’Hebron, Universitat Autonoma de Barcelona, Barcelona, Spain; and the yHospital Quirón, Barcelona, Spain. The authors have reported that they have no relationships relevant to the contents of this paper to disclose. Manuscript received October 28, 2013; revised manuscript received May 6, 2014, accepted May 23, 2014.

Acosta-Vélez et al.

JACC: CARDIOVASCULAR INTERVENTIONS VOL. 7, NO. 11, 2014 NOVEMBER 2014:1324–5

Acute Occlusion of the LCX During TAVR

F I G U R E 1 Acute Occlusion of Anomalous LCX During TAVR

(A) Pre-procedural angiography showing an anomalous origin of the left circumflex coronary artery (LCX) from the right coronary sinus (Online Video 1). (B) Coronary computed tomography scan shows the relationship between the anomalous LCX artery and the aortic annulus. (C) LCX compression after balloon inflation during the transcatheter aortic valve replacement (TAVR) procedure (Online Video 2). (D) Final result after stent implantation in the LCX (Online Video 3).

REFERENCES 1. Ribeiro HB, Nombela-Franco L, Urena M, et al.

3. Gogas BD, Zacharoulis AA, Antoniadis AG. Acute

Coronary obstruction following transcatheter aortic valve implantation: a systematic review. J Am Coll Cardiol Intv 2013;6:452–61.

coronary occlusion following TAVI. Catheter Cardiovasc Interv 2011;77:435–8.

2. Ribeiro HB, Webb JG, Makkar RR, et al. Predictive factors, management and clinical outcomes of coronary obstruction following transcatheter aortic valve implantation: insights from a large multicenter registry. J Am Coll Cardiol 2013;62:1552–62.

4. Binder RK, Webb JG, Willson AB, et al. The impact of integration of a multidetector computed tomography annulus area sizing algorithm on outcomes of transcatheter aortic valve replacement: a prospective, multicenter, controlled trial. J Am Coll Cardiol 2013;62:431–8.

KEY WORDS coronary occlusion, transcatheter aortic valve replacement A PPE NDI X For the supplemental videos, please see the online version of this article.

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Acute artery occlusion during transcatheter aortic valve replacement in a patient with an anomalous origin of the circumflex artery.

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