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Oh S, Jeong MH, Park DS, Kim M, Kim JH, Hyun DY, Cho KH, Kim MC, Sim DS, Hong YJ, Kim JH, Ahn Y. Successful implantation of a novel polymer-free everolimus-eluting stent using nitrogen-doped titanium dioxide film with good patency on follow-up angiography: A case report. Medicine (Baltimore) 2022; 101:e29666. [PMID: 35866823 PMCID: PMC9302256 DOI: 10.1097/md.0000000000029666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
RATIONALE Despite technological advances in interventional cardiology during the last decades, many concerns remain regarding the narrowing and occlusion of the in-stent area. Particularly, polymer materials pose several problems, including chronic arterial inflammation, impaired arterial healing, and stent thrombosis. To avoid these complications, we invented the TIGEREVOLUTION stent with a cobalt-chromium alloy-based stent platform deposited with N-TiO2 film, which has demonstrated good biocompatibility. As this stent is not coated with polymer, it is expected to have decreased risk of stent thrombosis. PATIENT CONCERNS A 62-year-old Korean man visited our department because of angina. We commenced coronary angiography (CAG). DIAGNOSIS CAG revealed critical stenosis in the mid-portion of the right coronary artery, with a minimum lumen area of 1.08mm2 on optical coherence tomography (OCT). INTERVENTION Percutaneous coronary intervention was performed with implantation of a novel 3.5 × 26-mm polymer-free everolimus-eluting stent using nitrogen-doped titanium dioxide film (TIGEREVOLUTION® stent). Post-percutaneous coronary intervention OCT showed good stent expansion and apposition, and the patient was discharged successfully and uneventfully. OUTCOMES Eight months later, follow-up coronary angiography demonstrated good stent patency with no definitive evidence of in-stent restenosis, with thin stent strut coverage demonstrated on OCT. LESSONS We report the first case of TIGEREVOLUTION stent implantation with follow-up OCT at 8 months.
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Affiliation(s)
- Seok Oh
- Department of Cardiology, Chonnam National University Hospital, Gwangju, Korea
| | - Myung Ho Jeong
- Department of Cardiology, Chonnam National University Hospital, Gwangju, Korea
- Department of Cardiology, Chonnam National University Medical School, Gwangju, Korea
- *Correspondence: Myung Ho Jeong, Department of Cardiology, Chonnam National University Hospital; Department of Cardiology, Chonnam National University Medical School, 42, Jebong-ro, Dong-gu, Gwangju 61469, Korea (e-mail: )
| | - Dae Sung Park
- Cardiovascular Research Center, Chonnam National University Hospital, Gwangju, Korea
| | - Munki Kim
- Cardiovascular Research Center, Chonnam National University Hospital, Gwangju, Korea
| | - Jung Ha Kim
- Cardiovascular Research Center, Chonnam National University Hospital, Gwangju, Korea
| | - Dae Young Hyun
- Department of Cardiology, Chonnam National University Hospital, Gwangju, Korea
| | - Kyung Hoon Cho
- Department of Cardiology, Chonnam National University Hospital, Gwangju, Korea
| | - Min Chul Kim
- Department of Cardiology, Chonnam National University Hospital, Gwangju, Korea
- Department of Cardiology, Chonnam National University Medical School, Gwangju, Korea
| | - Doo Sun Sim
- Department of Cardiology, Chonnam National University Hospital, Gwangju, Korea
- Department of Cardiology, Chonnam National University Medical School, Gwangju, Korea
| | - Young Joon Hong
- Department of Cardiology, Chonnam National University Hospital, Gwangju, Korea
- Department of Cardiology, Chonnam National University Medical School, Gwangju, Korea
| | - Ju Han Kim
- Department of Cardiology, Chonnam National University Hospital, Gwangju, Korea
- Department of Cardiology, Chonnam National University Medical School, Gwangju, Korea
| | - Youngkeun Ahn
- Department of Cardiology, Chonnam National University Hospital, Gwangju, Korea
- Department of Cardiology, Chonnam National University Medical School, Gwangju, Korea
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