Characteristics of Earlier Versus Delayed Presentation of Very Late Drug-Eluting Stent Thrombosis: An Optical Coherence Tomographic Study

Seung Yul Lee, Jung Min Ahn, Gary S. Mintz, Seung Ho Hur, So Yeon Choi, Sang Wook Kim, Jin Man Cho, Soon Jun Hong, Jin Won Kim, Young Joon Hong, Sang Gon Lee, Dong Ho Shin, Jung Sun Kim, Byeong Keuk Kim, Young Guk Ko, Donghoon Choi, Yangsoo Jang, Seung Jung Park, Myeong Ki Hong

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

BACKGROUND: The pathophysiology underlying very late drug-eluting stent (DES) thrombosis is not sufficiently understood. Using optical coherence tomography, we investigated characteristics of very late stent thrombosis (VLST) according to different onset times.

METHODS AND RESULTS: A total of 98 patients from 10 South Korean hospitals who underwent optical coherence tomography for evaluation of very late DES thrombosis were retrospectively included in analyses. VLST occurred at a median of 55.1 months after DES implantation. All patients were divided into 2 equal groups of earlier versus delayed presentation of VLST, according to median onset time. In total, 27 patients were treated with next-generation DES and 71 with first-generation DES. Based on optical coherence tomography findings at thrombotic sites, main VLST mechanisms were as follows, in descending order: neoatherosclerosis (34.7%), stent malapposition (33.7%), and uncovered struts without stent malapposition or evagination (24.5%). Compared with patients with earlier VLST, patients with delayed VLST had lower frequency of uncovered struts without stent malapposition or evagination (34.7% versus 14.3%, respectively; P=0.019). Conversely, the frequency of neoatherosclerosis was higher in patients with delayed versus earlier VLST (44.9% versus 24.5%, respectively; P=0.034). The frequency of stent malapposition was not different between patients with earlier and delayed VLST (34.7% versus 32.7%, respectively; P=0.831). The frequency of stent malapposition, evagination, and uncovered struts was still half of delayed VLST.

CONCLUSIONS: The pathological mechanisms of very late DES thrombosis changed over time. Delayed neointimal healing remained a substantial substrate for VLST, even long after DES implantation.

Original languageEnglish
JournalJournal of the American Heart Association
Volume6
Issue number4
DOIs
Publication statusPublished - 2017 Apr 14
Externally publishedYes

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Drug-Eluting Stents
Stents
Thrombosis
Optical Coherence Tomography

Keywords

  • coronary artery disease
  • drug‐eluting stent
  • optical coherence tomography

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Characteristics of Earlier Versus Delayed Presentation of Very Late Drug-Eluting Stent Thrombosis : An Optical Coherence Tomographic Study. / Lee, Seung Yul; Ahn, Jung Min; Mintz, Gary S.; Hur, Seung Ho; Choi, So Yeon; Kim, Sang Wook; Cho, Jin Man; Hong, Soon Jun; Kim, Jin Won; Hong, Young Joon; Lee, Sang Gon; Shin, Dong Ho; Kim, Jung Sun; Kim, Byeong Keuk; Ko, Young Guk; Choi, Donghoon; Jang, Yangsoo; Park, Seung Jung; Hong, Myeong Ki.

In: Journal of the American Heart Association, Vol. 6, No. 4, 14.04.2017.

Research output: Contribution to journalArticle

Lee, SY, Ahn, JM, Mintz, GS, Hur, SH, Choi, SY, Kim, SW, Cho, JM, Hong, SJ, Kim, JW, Hong, YJ, Lee, SG, Shin, DH, Kim, JS, Kim, BK, Ko, YG, Choi, D, Jang, Y, Park, SJ & Hong, MK 2017, 'Characteristics of Earlier Versus Delayed Presentation of Very Late Drug-Eluting Stent Thrombosis: An Optical Coherence Tomographic Study', Journal of the American Heart Association, vol. 6, no. 4. https://doi.org/10.1161/JAHA.116.005386
Lee, Seung Yul ; Ahn, Jung Min ; Mintz, Gary S. ; Hur, Seung Ho ; Choi, So Yeon ; Kim, Sang Wook ; Cho, Jin Man ; Hong, Soon Jun ; Kim, Jin Won ; Hong, Young Joon ; Lee, Sang Gon ; Shin, Dong Ho ; Kim, Jung Sun ; Kim, Byeong Keuk ; Ko, Young Guk ; Choi, Donghoon ; Jang, Yangsoo ; Park, Seung Jung ; Hong, Myeong Ki. / Characteristics of Earlier Versus Delayed Presentation of Very Late Drug-Eluting Stent Thrombosis : An Optical Coherence Tomographic Study. In: Journal of the American Heart Association. 2017 ; Vol. 6, No. 4.
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abstract = "BACKGROUND: The pathophysiology underlying very late drug-eluting stent (DES) thrombosis is not sufficiently understood. Using optical coherence tomography, we investigated characteristics of very late stent thrombosis (VLST) according to different onset times.METHODS AND RESULTS: A total of 98 patients from 10 South Korean hospitals who underwent optical coherence tomography for evaluation of very late DES thrombosis were retrospectively included in analyses. VLST occurred at a median of 55.1 months after DES implantation. All patients were divided into 2 equal groups of earlier versus delayed presentation of VLST, according to median onset time. In total, 27 patients were treated with next-generation DES and 71 with first-generation DES. Based on optical coherence tomography findings at thrombotic sites, main VLST mechanisms were as follows, in descending order: neoatherosclerosis (34.7{\%}), stent malapposition (33.7{\%}), and uncovered struts without stent malapposition or evagination (24.5{\%}). Compared with patients with earlier VLST, patients with delayed VLST had lower frequency of uncovered struts without stent malapposition or evagination (34.7{\%} versus 14.3{\%}, respectively; P=0.019). Conversely, the frequency of neoatherosclerosis was higher in patients with delayed versus earlier VLST (44.9{\%} versus 24.5{\%}, respectively; P=0.034). The frequency of stent malapposition was not different between patients with earlier and delayed VLST (34.7{\%} versus 32.7{\%}, respectively; P=0.831). The frequency of stent malapposition, evagination, and uncovered struts was still half of delayed VLST.CONCLUSIONS: The pathological mechanisms of very late DES thrombosis changed over time. Delayed neointimal healing remained a substantial substrate for VLST, even long after DES implantation.",
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T1 - Characteristics of Earlier Versus Delayed Presentation of Very Late Drug-Eluting Stent Thrombosis

T2 - An Optical Coherence Tomographic Study

AU - Lee, Seung Yul

AU - Ahn, Jung Min

AU - Mintz, Gary S.

AU - Hur, Seung Ho

AU - Choi, So Yeon

AU - Kim, Sang Wook

AU - Cho, Jin Man

AU - Hong, Soon Jun

AU - Kim, Jin Won

AU - Hong, Young Joon

AU - Lee, Sang Gon

AU - Shin, Dong Ho

AU - Kim, Jung Sun

AU - Kim, Byeong Keuk

AU - Ko, Young Guk

AU - Choi, Donghoon

AU - Jang, Yangsoo

AU - Park, Seung Jung

AU - Hong, Myeong Ki

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N2 - BACKGROUND: The pathophysiology underlying very late drug-eluting stent (DES) thrombosis is not sufficiently understood. Using optical coherence tomography, we investigated characteristics of very late stent thrombosis (VLST) according to different onset times.METHODS AND RESULTS: A total of 98 patients from 10 South Korean hospitals who underwent optical coherence tomography for evaluation of very late DES thrombosis were retrospectively included in analyses. VLST occurred at a median of 55.1 months after DES implantation. All patients were divided into 2 equal groups of earlier versus delayed presentation of VLST, according to median onset time. In total, 27 patients were treated with next-generation DES and 71 with first-generation DES. Based on optical coherence tomography findings at thrombotic sites, main VLST mechanisms were as follows, in descending order: neoatherosclerosis (34.7%), stent malapposition (33.7%), and uncovered struts without stent malapposition or evagination (24.5%). Compared with patients with earlier VLST, patients with delayed VLST had lower frequency of uncovered struts without stent malapposition or evagination (34.7% versus 14.3%, respectively; P=0.019). Conversely, the frequency of neoatherosclerosis was higher in patients with delayed versus earlier VLST (44.9% versus 24.5%, respectively; P=0.034). The frequency of stent malapposition was not different between patients with earlier and delayed VLST (34.7% versus 32.7%, respectively; P=0.831). The frequency of stent malapposition, evagination, and uncovered struts was still half of delayed VLST.CONCLUSIONS: The pathological mechanisms of very late DES thrombosis changed over time. Delayed neointimal healing remained a substantial substrate for VLST, even long after DES implantation.

AB - BACKGROUND: The pathophysiology underlying very late drug-eluting stent (DES) thrombosis is not sufficiently understood. Using optical coherence tomography, we investigated characteristics of very late stent thrombosis (VLST) according to different onset times.METHODS AND RESULTS: A total of 98 patients from 10 South Korean hospitals who underwent optical coherence tomography for evaluation of very late DES thrombosis were retrospectively included in analyses. VLST occurred at a median of 55.1 months after DES implantation. All patients were divided into 2 equal groups of earlier versus delayed presentation of VLST, according to median onset time. In total, 27 patients were treated with next-generation DES and 71 with first-generation DES. Based on optical coherence tomography findings at thrombotic sites, main VLST mechanisms were as follows, in descending order: neoatherosclerosis (34.7%), stent malapposition (33.7%), and uncovered struts without stent malapposition or evagination (24.5%). Compared with patients with earlier VLST, patients with delayed VLST had lower frequency of uncovered struts without stent malapposition or evagination (34.7% versus 14.3%, respectively; P=0.019). Conversely, the frequency of neoatherosclerosis was higher in patients with delayed versus earlier VLST (44.9% versus 24.5%, respectively; P=0.034). The frequency of stent malapposition was not different between patients with earlier and delayed VLST (34.7% versus 32.7%, respectively; P=0.831). The frequency of stent malapposition, evagination, and uncovered struts was still half of delayed VLST.CONCLUSIONS: The pathological mechanisms of very late DES thrombosis changed over time. Delayed neointimal healing remained a substantial substrate for VLST, even long after DES implantation.

KW - coronary artery disease

KW - drug‐eluting stent

KW - optical coherence tomography

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