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Prognostic Factors for Tracheal Restenosis after Stent Removal in Patients with Post-Intubation and Post-Tracheostomy Tracheal Stenosis

Lee D, Jeong BH, Kim H

Purpose: Long-term tracheal stent placement can increase the risk of stent-related complications; hence, removal of the stent after stabilization is attempted. However, little evidence has been established regarding the risk...
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Osstem Cardiotec Centum Stent Versus Xience Alpine Stent for De Novo Coronary Artery Lesion: A Multicenter, Randomized, Parallel-Designed, Single Blind Test

Yoon CH, Jang J, Hur SH, Lee JH, Han SH, Hong SJ, Chang K, Chae IH

Background and objectives: To compare the safety and efficacy of a new everolimus-eluting stent with an abluminal-coated biodegradable polymer (Osstem Cardiotec Centum) with those of the Xience Alpine stent (Xience). Methods:...
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Neurotoxicity of Paclitaxel and Rapamycin in a Rat Model with Transient Blood-Brain Barrier Opening

Cho WS, Choi JH, Kwon OK

Objective : Drug-eluting stents and balloons are occasionally used to reduce restenosis in medically intractable intracranial atherosclerotic stenosis. The authors aimed to determine whether such drugs can cause neurotoxicity due...
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The Optical Coherence Tomographic Findings Which Predict Outcome of Calcified Coronary Lesions after Percutaneous Coronary Intervention: A Serial Follow-up Study

Jang J, Kang SH, Cho YS, Shin ES, Suh JW

Objective: Imaging modalities such as intravascular ultrasonography or computed tomography or angiography have shown limitations in assessing coronary calcification. In this study, we investigated whether quantitative indices of optical coherence...
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Long-term outcomes of drug-eluting stent implantation in patients with symptomatic extra- and intracranial atherosclerotic stenoses

Kim J, Ban SP, Kim YD, Kwon OK

Objective: Implantation of drug-eluting stents (DES) for extra- and intracranial atherosclerotic stenoses is an emerging topic. It has the potential benefit of preventing recurrent stroke with a reduced rate of...
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Directional Atherectomy for Treating In-Stent Restenosis of the Superficial Femoral Artery

Cho S, Han A, Ahn S, Min S, Ha J, Jae HJ, Min SK

Purpose: The optimal treatment for in-stent restenosis (ISR) of the superficial femoral artery (SFA) is still in debate. This study aimed to evaluate the safety and effectiveness of directional atherectomy...
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Effect of dyslipidemia on vascular smooth muscle cell proliferation in a porcine coronary restenosis model

Jeong KJ, Kang P, Lee HY, Son HC, Park SH, Choi WS, Koo BS, Jeon CY, Baek SH, An YJ, Kim HK, Kim SS, Park JK, Bae IH, Park DS, Shim JW, Kim JU, Kim NY, Kim SU, Lim KS, Jeong MH

This study aimed to examine the effect of a mild elevation in serum cholesterol level in a porcine coronary overstretch restenosis model using a balloon angioplasty catheter or drug-eluting coronary...
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Biodegradable Magnesium Alloy Stents as a Treatment for Vein Graft Restenosis

Li Y, Wang L, Chen S, Yu D, Sun W, Xin S

PURPOSE: To explore the effects of biodegradable magnesium alloy stents (BMAS) on remodeling of vein graft (VG) anastomotic restenosis. MATERIALS AND METHODS: To establish a VG restenosis model, seventy two New...
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Current Management of In-Stent Restenosis

Her AY, Shin ES

Despite the advent of the drug-eluting stents (DES) and improved stent design, in-stent restenosis (ISR) remains a challenging problem. The currently available options for treatment of ISR include angioplasty alone,...
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Serial Analysis of Tracheal Restenosis After 3D-Printed Scaffold Implantation: Recruited Inflammatory Cells and Associated Tissue Changes

Ahn HJ, Khalmuratova R, Park SA, Chung EJ, Shin HW, Kwon SK

Tracheal restenosis is a major obstacle to successful tracheal replacement, and remains the greatest challenge in tracheal regeneration. However, there have been no detailed investigations of restenosis. The present study...
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Clinical outcomes of biliary and duodenal self-expandable metal stent placements for palliative treatment in patients with periampullary cancer

Kim HJ

BACKGROUND: Endoscopic self-expandable metal stent (SEMS) insertions for palliation of malignant biliary and duodenal obstructions have been revealed to be an effective treatment. We present our clinical experience with the...
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Identification of Risk Factors Influencing In-Stent Restenosis with Acute Coronary Syndrome Presentation

Cho JY

Although the angiographic rates of in-stent restenosis (ISR) at later months have reduced dramatically with the introduction of drug-eluting stents (DESs), some patients with ISR after implantation of DES present...
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Repeated isolated bilateral coronary ostial stenosis related to the syphilitic aortitis

Kim SM, Lee SY, Lee JH, Bae JW, Hwang KK

No abstract available.
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Drug- and Gene-eluting Stents for Preventing Coronary Restenosis

Lekshmi KM, Che HL, Cho CS, Park IK

Coronary artery disease (CAD) has been reported to be a major cause of death worldwide. Current treatment methods include atherectomy, coronary angioplasty (as a percutaneous coronary intervention), and coronary artery...
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The Control of Drug Release and Vascular Endothelialization after Hyaluronic Acid-Coated Paclitaxel Multi-Layer Coating Stent Implantation in Porcine Coronary Restenosis Model

Bae IH, Jeong MH, Kim JH, Park YH, Lim KS, Park DS, Shim JW, Kim JH, Ahn Y, Hong YJ, Sim DS

BACKGROUND AND OBJECTIVES: Hyaluronic acid (HA) is highly biocompatible with cells and the extracellular matrix. In contrast to degradation products of a synthetic polymer, degradation products of HA do not...
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Effect of Stents Coated with Artemisinin or Dihydroartemisinin in a Porcine Coronary Restenosis Model

Jang S, Jeong MH, Lim KS, Bae IH, Park JK, Park DS, Shim JW, Kim JH, Kim HK, Sim DS, Hong YJ, Ahn Y, Kang JC

BACKGROUND AND OBJECTIVES: Artemisinin and dihydroartemisinin are drugs used to treat malaria. These drugs suppress inflammatory reactions. The aim of this study was to examine the anti-intima hyperplasia effect of...
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The efficacy and safety of drug-eluting balloons for the treatment of in-stent restenosis as compared with drug-eluting stents and with conventional balloon angioplasty

Oh PC, Suh SY, Kang WC, Lee K, Han SH, Ahn T, Shin EK

BACKGROUND/AIMS: Treatment of coronary in-stent restenosis (ISR) is still associated with a high incidence of recurrence. We aimed to compare the efficacy and safety of drug-eluting balloons (DEB) for the...
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Comparison of Paclitaxel-Coated Balloon Treatment and Plain Old Balloon Angioplasty for De Novo Coronary Lesions

Her AY, Ann SH, Singh GB, Kim YH, Yoo SY, Garg S, Koo BK, Shin ES

PURPOSE: This study compared the angiographic outcomes of paclitaxel-coated balloon (PCB) versus plain old balloon angioplasty (POBA) treatment for de novo coronary artery lesions. At present, there is no available...
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Novel Fabrication of MicroRNA Nanoparticle-Coated Coronary Stent for Prevention of Post-Angioplasty Restenosis

Che HL, Bae IH, Lim KS, Uthaman S, Song IT, Lee H, Lee D, Kim WJ, Ahn Y, Park IK, Jeong MH

BACKGROUND AND OBJECTIVES: MicroRNA 145 is known to be responsible for cellular proliferation, and its enhanced expression reportedly inhibits the retardation of vascular smooth muscle cell growth specifically. In this...
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Postoperative Outcomes of Mitral Valve Repair for Mitral Restenosis after Percutaneous Balloon Mitral Valvotomy

Lee S, Chee HK, Kim JS, Song MG, Park JB, Shin JK

BACKGROUND: There have been a number of studies on mitral valve replacement and repeated percutaneous mitral balloon valvotomy for mitral valve restenosis after percutaneous mitral balloon valvotomy. However, studies on...
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