A patient with an hourglass shaped fractured coronary stent

A patient with an hourglass shaped fractured coronary stent

A 53-year-old female patient with a history of stent angioplasties in 2014 and coronary artery bypass graft surgery (CABG) to the left anterior descending and obtuse marginal arteries in 2016 underwent coronary angiography in July 2019 due to unstable angina. Both grafts were patent whereas the prox...

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Autores principales: Andreas Y. Andreou, Angelos Tyrlis
Formato: article
Lenguaje:EN
Publicado: Termedia Publishing House 2021
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Acceso en línea:https://doaj.org/article/e7b59c9134ae4257b544c7fb8c8edfc3
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spelling oai:doaj.org-article:e7b59c9134ae4257b544c7fb8c8edfc32021-12-02T17:18:42ZA patient with an hourglass shaped fractured coronary stent1734-93381897-429510.5114/aic.2021.104780https://doaj.org/article/e7b59c9134ae4257b544c7fb8c8edfc32021-03-01T00:00:00Zhttps://www.termedia.pl/A-patient-with-an-hourglass-shaped-fractured-coronary-stent,35,43649,1,1.htmlhttps://doaj.org/toc/1734-9338https://doaj.org/toc/1897-4295A 53-year-old female patient with a history of stent angioplasties in 2014 and coronary artery bypass graft surgery (CABG) to the left anterior descending and obtuse marginal arteries in 2016 underwent coronary angiography in July 2019 due to unstable angina. Both grafts were patent whereas the proximal right coronary artery (RCA) contained an intermediate in-stent stenosis which corresponded to an area of stent deformation with an inward displacement of the struts on both sides of the stent without discontinuity in the stent body (Figures 1 A, B). The stenosis was associated with an instantaneous wave-free ratio of 1.0. Intravascular ultrasound (IVUS) examination (Figures 1, 2) revealed a grossly distorted stent without strut malapposition or neointimal buildup (Figures 1 C and 2 panels 2, 6), which harboured an area with ulcerated atheroma and sparse stent struts indicating stent fracture (SF) (Figures 1 D and 2 panels 3–5). Proximal RCA angulation and hinge motion were observed in February 2014 before the successful implantation of a 3.5 mm × 28 mm biolimus A9-eluting BioMatrix Flex (Biosensor, Morges, Switzerland) stent in order to treat a catheter-induced dissection (Figure 3). Coronary angiography performed before CABG in March 2016 showed a structurally intact proximal RCA stent (Figure 4). Consequently, chronic stent recoil (SR) secondary to loss of radial strength of the stent due to late (> 1 year) SF attributed to mechanical fatigue was diagnosed. Angioplasty with a 3.75 mm non-compliant balloon and then a 3.75 mm paclitaxel-coated balloon was undertaken successfully (Figure 5). The patient was discharged on dual antiplatelet therapy to be taken for at least 12 months. Follow-up angiography at 6 months showed a patent stent without recurrent SR (Figure 6).Andreas Y. AndreouAngelos TyrlisTermedia Publishing HousearticleMedicineRENAdvances in Interventional Cardiology, Vol 17, Iss 1, Pp 116-121 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
spellingShingle Medicine
R
Andreas Y. Andreou
Angelos Tyrlis
A patient with an hourglass shaped fractured coronary stent
description A 53-year-old female patient with a history of stent angioplasties in 2014 and coronary artery bypass graft surgery (CABG) to the left anterior descending and obtuse marginal arteries in 2016 underwent coronary angiography in July 2019 due to unstable angina. Both grafts were patent whereas the proximal right coronary artery (RCA) contained an intermediate in-stent stenosis which corresponded to an area of stent deformation with an inward displacement of the struts on both sides of the stent without discontinuity in the stent body (Figures 1 A, B). The stenosis was associated with an instantaneous wave-free ratio of 1.0. Intravascular ultrasound (IVUS) examination (Figures 1, 2) revealed a grossly distorted stent without strut malapposition or neointimal buildup (Figures 1 C and 2 panels 2, 6), which harboured an area with ulcerated atheroma and sparse stent struts indicating stent fracture (SF) (Figures 1 D and 2 panels 3–5). Proximal RCA angulation and hinge motion were observed in February 2014 before the successful implantation of a 3.5 mm × 28 mm biolimus A9-eluting BioMatrix Flex (Biosensor, Morges, Switzerland) stent in order to treat a catheter-induced dissection (Figure 3). Coronary angiography performed before CABG in March 2016 showed a structurally intact proximal RCA stent (Figure 4). Consequently, chronic stent recoil (SR) secondary to loss of radial strength of the stent due to late (> 1 year) SF attributed to mechanical fatigue was diagnosed. Angioplasty with a 3.75 mm non-compliant balloon and then a 3.75 mm paclitaxel-coated balloon was undertaken successfully (Figure 5). The patient was discharged on dual antiplatelet therapy to be taken for at least 12 months. Follow-up angiography at 6 months showed a patent stent without recurrent SR (Figure 6).
format article
author Andreas Y. Andreou
Angelos Tyrlis
author_facet Andreas Y. Andreou
Angelos Tyrlis
author_sort Andreas Y. Andreou
title A patient with an hourglass shaped fractured coronary stent
title_short A patient with an hourglass shaped fractured coronary stent
title_full A patient with an hourglass shaped fractured coronary stent
title_fullStr A patient with an hourglass shaped fractured coronary stent
title_full_unstemmed A patient with an hourglass shaped fractured coronary stent
title_sort patient with an hourglass shaped fractured coronary stent
publisher Termedia Publishing House
publishDate 2021
url https://doaj.org/article/e7b59c9134ae4257b544c7fb8c8edfc3
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