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Case Report
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| Very delayed coronary stent fracture presenting as unstable angina: A case report | ||||||
| Saurabh Mehrotra1, Praful Sharma P.2, Yashpaul Sharma Y.P.3 | ||||||
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1MD, DM, Assistant Professor, Department of Cardiology, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, Punjab, India.
2MD, DM, Senior Resident, Department of Cardiology, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, Punjab, India. 3MD, DM, Head, Cardiology, Department of Cardiology, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, Punjab, India. | ||||||
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| How to cite this article |
| Mehrotra S, Sharma PP, Sharma YYP. Very delayed coronary stent fracture presenting as unstable angina: A case report. Int J Case Rep Images 2017;8(2):147–150. |
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Abstract
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Introduction:
Coronary stent fracture represents an under diagnosed clinical event of drug-eluting stents which is often associated with adverse clinical outcomes of in-stent restenosis. Numerous risk factors are associated with stent fracture that include stent overexpansion, creation of hinge points due to stent overlapping, use of longer stents for complex lesions as well as mechanical fatigue causing stent distortion in the right coronary artery and vein grafts.
Case Report: A 64-year old male, a cigarette smoker, presented with rest angina. Coronary angiogram showed discrete 99% stenosis in proximal left anterior descending artery and a mid-eccentric 90% lesion in the right coronary artery (RCA). The patient was taken up for angioplasty of both the vessels. A type V fracture was detected after four years of zotarolimus-eluting stent placement in the right coronary artery. Conclusion: Despite the recent advances in drug-eluting stents design, there remains a potential of stent fracture especially when a long drug-eluting stents is implanted in a tortuous vessel and is exposed to torsion forces at the hinge points. | |
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Keywords:
Drug-eluting stent, Stent fracture, Zotarolimus-eluting stent
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Author Contributions
Saurabh Mehrotra – Substantial contribution to Conception and design, Analysis and interpretation of data, Drafting the article, Final approval of the version to be published Praful Sharma P. – Substantial contribution to Conception and design, Analysis and interpretation of data, Final approval of the version to be published Yashpaul Sharma Y.P. – Substantial contribution to Conception and design, Analysis and interpretation of data, Final approval of the version to be published |
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Guarantor of submission
The corresponding author is the guarantor of submission. |
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Source of support
None |
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Conflict of interest
Authors declare no conflict of interest. |
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Copyright
© 2017 Saurabh Mehrotra et al. This article is distributed under the terms of Creative Commons Attribution License which permits unrestricted use, distribution and reproduction in any medium provided the original author(s) and original publisher are properly credited. Please see the copyright policy on the journal website for more information. |
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