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A higher volume of fibrotic tissue on virtual histology prior to coronary stent implantation predisposes to more pronounced neointima proliferation.

CONCLUSION: Lesions with more voluminous fibrotic tissue pre-PCI show more pronounced in-stent neointima proliferation, even after correction for lesion plaque volume. PMID: 28799447 [PubMed - as supplied by publisher]
Source: Acta Cardiologica - Category: Cardiology Tags: Acta Cardiol Source Type: research

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ConclusionsCA with or without PCI after TAVR is feasible with supra‐annular self‐expandable valves. With the proper technique in experienced hands, it can be conducted safely.
Source: Catheterization and Cardiovascular Interventions - Category: Cardiovascular & Thoracic Surgery Authors: Tags: VALVULAR AND STRUCTURAL HEART DISEASES Source Type: research
ConclusionsThe PlasmaWireTM System was shown to be safe and effective in obtaining CTO recanalization through a re‐entry channel utilizing plasma‐mediated ablation while reducing procedure time. The PlasmaWire™ System is a new bi‐polar RF wire system utilizing plasma‐mediated ablation for channel creation to facilitate CTO recanalization. This first‐in‐human study in which seven patients were enrolled was conducted to demonstrate the safety, efficacy, and efficiency of this system for CTO recanalization. Channels through the CTOs were successfully created within a few seconds by applying RF energy between...
Source: Catheterization and Cardiovascular Interventions - Category: Cardiovascular & Thoracic Surgery Authors: Tags: CORONARY ARTERY DISEASE Source Type: research
Authors: Kim YH, Her AY, Rha SW, Choi BG, Shim M, Choi SY, Byun JK, Li H, Kim W, Kang JH, Choi JY, Park EJ, Park SH, Lee S, Na JO, Choi CU, Lim HE, Kim EJ, Park CG, Seo HS, Oh DJ Abstract There is limited long-term comparative clinical outcome data concerning angiography- versus intravascular ultrasound (IVUS) -guided percutaneous coronary intervention (PCI) in non-complex left main coronary artery (LMCA) disease treated with the single stenting technique in the drug-eluting stent (DES) era.The aim of this study was to investigate whether angiography-guided stenting is comparable to IVUS-guided stenting during 3-ye...
Source: International Heart Journal - Category: Cardiology Tags: Int Heart J Source Type: research
AbstractThe aim of this study was to assess the efficacy of a biolimus A9-eluting stent in patients with a right coronary artery (RCA) ostial lesion. Ostial lesions of the RCA have been a limitation of percutaneous coronary intervention even in the drug-eluting stent (DES) era. However, clinical outcomes after the deployment of a second generation DES to an RCA ostial lesion with intravascular ultrasound (IVUS) guidance have not been fully elucidated. From September 2011 to March 2013, 74 patients were enrolled in 17 centers from Japan. RCA ostial lesion was defined as de novo significant stenotic lesion located within 15 ...
Source: Cardiovascular Intervention and Therapeutics - Category: Cardiology Source Type: research
Although coronary angiography represents a well established diagnostic modality for percutaneous coronary intervention guidance, recent intravascular imaging techniques, such as intravascular ultrasound, optical coherence tomography (OCT) and near-infrared spectroscopy offer advantages on top of angiography, enhancing the efficacy of lesion evaluation and potentially optimizing the acute and long-term percutaneous coronary intervention outcomes. In addition, recently new generation imaging options have emerged, such as high-definition intravascular ultrasound, polarization-sensitive OCT, intravascular photoacoustic imagin...
Source: Journal of Cardiovascular Medicine - Category: Cardiology Tags: Review Source Type: research
Abstract Contrast-induced nephropathy (CIN) is a serious complication in patients undergoing percutaneous coronary intervention (PCI), and is associated with higher morbidity and mortality. The limiting volume of contrast medium is safest and most reliable strategy for CIN prevention. Intravascular ultrasound (IVUS) serves as an attractive alternative imaging tool to angiography in many steps during PCI, thereby reducing the use of contrast agents. Here, we reported a case of successfully treated unprotected left main bifurcation lesion with heavily calcified and diffuse lesion under the IVUS-guided PCI using low ...
Source: Yonsei Medical Journal - Category: Universities & Medical Training Authors: Tags: Yonsei Med J Source Type: research
Conclusions -In the present trial which allowed broad inclusion criteria, the novel RES met the prespecified criteria for noninferiority compared with ZES for the primary endpoint of target lesion failure at 12 months, and had similar measures of late lumen loss. These findings support the safety and efficacy of RES in patients representative of clinical practice. Clinical Trial Registration -URL: www.ClinicalTrials.gov Unique Identifier: NCT01995487. PMID: 28794001 [PubMed - as supplied by publisher]
Source: Circulation - Category: Cardiology Authors: Tags: Circulation Source Type: research
Aim: The use of intravascular ultrasound (IVUS) or Optical coherence tomography (OCT) to guide stent placement in percutaneous coronary intervention (PCI) leads to better clinical outcomes than use of angiography guidance. We hypothesis which image-assisted PCI could lead better clinical outcomes in acute myocardial infarction (MI) patients.
Source: Atherosclerosis - Category: Cardiology Authors: Source Type: research
Publication date: Available online 27 July 2017 Source:Journal of Cardiology Cases Author(s): Fumiya Anzai, Hiroyuki Kunii, Yuki Kanno, Masashi Kamioka, Atsushi Kobayashi, Hitoshi Suzuki, Shuichi Saitoh, Yasuchika Takeishi Pseudoxanthoma elasticum (PXE) is caused by loss-of-function mutations of the ATP-binding cassette subfamily C member 6 gene. A 58-year-old man was diagnosed as having PXE based on typical findings in orbital and skin biopsies. Coronary computed tomography (CT) showed severe coronary stenosis in the proximal right coronary artery (RCA), and chronic total occlusion (CTO) of the mid left anterior descendi...
Source: Journal of Cardiology Cases - Category: Cardiology Source Type: research
AbstractOptical coherence tomography (OCT) is an intra-coronary diagnostic technique that provides detailed imagings of blood vessels in the current cardiac catheterization laboratory. The higher resolution of OCT often provides superior delineation of each structure compared with intravascular ultrasound (IVUS), and it can reliably visualize the microstructure of normal and diseased arteries. The capabilities of OCT are well suited for the identification of calcified plaque and neointima formation after stent implantation. It has been reported that OCT-guided percutaneous coronary intervention (PCI) resulted in equivalent...
Source: Cardiovascular Intervention and Therapeutics - Category: Cardiology Source Type: research
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