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 Table of Contents  
Year : 2016  |  Volume : 6  |  Issue : 3  |  Page : 86-88

Recurrent angina from chronic coronary obstruction following transcatheter aortic valve implantation

1 Department of Internal Medicine, University of Miami Miller Palm Beach Regional Campus, Atlantis, Florida, USA
2 Mayo Evidence based Practice Center, Mayo Clinic, Rochester, MN, USA

Date of Web Publication15-Jun-2016

Correspondence Address:
Mohamad Kabach
Department of Internal Medicine, University of Miami Miller Palm Beach Regional Campus, 5301 S Congress Ave, Atlantis, Florida 33462
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2231-0770.184069

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Severe aortic stenosis and coronary artery disease often coexist. Coronary angiography (CA) and percutaneous coronary intervention (PCI) can be challenging in patients with prior transcatheter aortic valve implantation (TAVI). Depending on the type and position of the implanted valve, the procedure can be challenging or even unfeasible due to interference of diagnostic catheters and valve parts. The correct positioning of the TAVI prosthesis during TAVI was identified as an important factor with regard to the feasibility of subsequent CA or PCI. TAVI has been also associated with vascular, cerebrovascular and conduction complication. One is rare but life-threatening complication, coronary ostial obstruction. Coronary ostial obstruction can develop, especially if a safety check of more than 10 mm of coronary ostial height is not taken into consideration during TAVI. This complication can cause recurrent episodes of angina and can severely worsen the patient's cardiac systolic function.

Keywords: Angina, aortic valve, coronary obstruction

How to cite this article:
Kabach M, Alrifai A, Furlan S, Alahdab F. Recurrent angina from chronic coronary obstruction following transcatheter aortic valve implantation. Avicenna J Med 2016;6:86-8

How to cite this URL:
Kabach M, Alrifai A, Furlan S, Alahdab F. Recurrent angina from chronic coronary obstruction following transcatheter aortic valve implantation. Avicenna J Med [serial online] 2016 [cited 2020 Aug 7];6:86-8. Available from: http://www.avicennajmed.com/text.asp?2016/6/3/86/184069

   Introduction Top

Surgical replacement of the aortic valve is contraindicated in many patients suffering from severe aortic stenosis and other comorbidities. The transcatheter approach comes to the rescue as a less invasive treatment in these high-risk patients. Coronary artery disease is common in this age group and usually coincide with severe aortic stenosis. Coronary angiography (CA) and percutaneous coronary intervention (PCI) can be challenging in patients with prior transcatheter aortic valve implantation (TAVI). TAVI has been associated with vascular, cerebrovascular, valvular, and conduction complications. A rare, life-threatening complication of TAVI is a coronary ostial obstruction. This report describes a patient who presented with recurrent angina and signs of ischemia on electrocardiogram (EKG) with severely depressed systolic function likely secondary to coronary artery disease progression or ostial obstruction after undergoing TAVI.

   Case report Top

We present the case of an 85-year-old woman with critical aortic stenosis who underwent 23-mm Medtronic CoreValve implantation 5 months before admission. She presented with typical symptoms diagnostic of recurrent angina in addition to exertional dyspnea, orthopnea, and leg edema. Physical examination revealed normal vital signs, but with jugular venous distention, bibasilar crackles, and lower extremity edema. No gallops or murmurs were appreciated on examination. Abnormal laboratory findings were consistent with a mild renal insufficiency and included an elevated pro-brain natriuretic peptide. EKG showed paroxysmal atrial tachycardia with ST-depression in the anterolateral and inferolateral leads [Figure 1]. The patient was admitted with the diagnosis of acute decompensated heart failure and was treated with diuretics. An echocardiogram demonstrated severely depressed systolic function with an ejection fraction <15%, compared to 45% before her TAVI 5 months earlier. Considering the patient's worsening systolic function, recurrent angina, and decreased functional capacity, she underwent cardiac catheterization. An ascending aortography was performed using 5-French pigtail catheter. During ascending angiography, the valve leaflets were seen to be opening, however, the leaflets of the CoreValve are not superimposed on the calcific retained leaflets of the initial valve and coronary ostial obstruction was suspected due to high implantation of the CoreValve [Figure 2]. Furthermore, poor positioning of the valve prevented unselective ostial cannulation and CA or any possible PCI could not be achieved if any lesion was to be found. Subsequently, the patient developed respiratory distress and cardiogenic shock, and an intra-aortic balloon device was inserted for circulatory support. Unfortunately, patient expired from refractory cardiogenic shock.
Figure 1: Electrocardiogram showed paroxysmal atrial tachycardia and ST-depression in the anterolateral and inferolateral leads

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Figure 2: Cardiac catheterization image shows the high position of the CoreValve and poorly filling coronary vessels below the aortic valve

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   Discussion Top

TAVI is an acceptable and successful alternative to surgical aortic valve replacement in high-risk patients. [1] CA and PCI can also be challenging in patients with prior TAVI. TAVI is associated with known vascular, cerebrovascular, valvular, and conduction complications. Coronary ostial obstruction is a rare, yet life-threatening, complication associated with TAVI. Scarce clinical data is available on this important complication as it has been reported in case reports and small case series with an estimated incidence of <1%. [2],[3] A systematic review of reported cases suggests that it occurs more frequently in women without prior CABG, and in patients receiving a balloon-expandable valve. However, this complication has not been evaluated in comparative studies of CoreValve and SAPIEN transcatheter valve models. [4] The most common mechanism of coronary obstruction after TAVI is the displacement of the calcified native cusp over the coronary ostium resulting in perioperative ischemia. To date, there are no reported cases of coronary obstruction directly related to the transcatheter valve struts, leaflets, or cuff. However, the low position of the coronary ostia with respect to the aortic annulus is a major contributing factor to ostial obstruction. A coronary ostia height cut-off of < 10 mm increases the risk of coronary obstruction after TAVI. [5],[6] In retrospective analysis of 1000 patients with prior TAVI, all cases where prostheses had been implanted in the supracoronary position, coronary arteries were displayed unselectively, and full stability and push of the guiding catheter was compromised. [7] Our case illustrates the importance of proper TAVI positioning to avoid a potentially life-threatening complication. It is also critical to know that correct positioning of TAVI is an important factors for the feasibility of CA and PCI. We also emphasize to keep these complications in mind when TAVI patients show a similar presentation.

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Conflicts of interest

There are no conflicts of interest.

   References Top

Rodés-Cabau J. Transcatheter aortic valve implantation: Current and future approaches. Nat Rev Cardiol 2011;9:15-29.  Back to cited text no. 1
Eltchaninoff H, Prat A, Gilard M, Leguerrier A, Blanchard D, Fournial G, et al. Transcatheter aortic valve implantation: Early results of the FRANCE (FRench Aortic National CoreValve and Edwards) registry. Eur Heart J 2011;32:191-7.  Back to cited text no. 2
Linke A, Wenaweser P, Gerckens U, Tamburino C, Bosmans J, Bleiziffer S, et al. Treatment of aortic stenosis with a self-expanding transcatheter valve: the International Multi-centre ADVANCE Study. Eur Heart J 2014;35:2672-84. doi: 10.1093/eurheartj/ehu162.  Back to cited text no. 3
Ribeiro HB, Nombela-Franco L, Urena M, Mok M, Pasian S, Doyle D, et al. Coronary obstruction following transcatheter aortic valve implantation: A systematic review. JACC Cardiovasc Interv 2013;6:452-61.  Back to cited text no. 4
Holmes DR Jr., Mack MJ, Kaul S, Agnihotri A, Alexander KP, Bailey SR, et al. 2012 ACCF/AATS/SCAI/STS expert consensus document on transcatheter aortic valve replacement. J Am Coll Cardiol 2012;59:1200-54.  Back to cited text no. 5
Masson JB, Kovac J, Schuler G, Ye J, Cheung A, Kapadia S, et al. Transcatheter aortic valve implantation: Review of the nature, management, and avoidance of procedural complications. JACC Cardiovasc Interv 2009;2:811-20.  Back to cited text no. 6
Blumenstein J, Kim WK, Liebetrau C, Gaede L, Kempfert J, Walther T, et al. Challenges of coronary angiography and intervention in patients previously treated by TAVI. Clin Res Cardiol 2015;104:632-9.  Back to cited text no. 7


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