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Cardiovascular Intervention and Therapeutics

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https://www.readbyqxmd.com/read/28726115/the-impact-of-coronary-calcification-on-angiographic-and-3-year-clinical-outcomes-of-everolimus-eluting-stents-results-of-a-xience-v-promus-post-marketing-surveillance-study
#1
Nobuo Shiode, Ken Kozuma, Jiro Aoki, Masaki Awata, Mamoru Nanasato, Kengo Tanabe, Junichi Yamaguchi, Hajime Kusano, Hong Nie, Takeshi Kimura
Coronary calcification (CCA) is one of the independent predictors for major adverse cardiac events (MACEs) in coronary intervention. Post-marketing surveillance study Japan is a prospective registry designed to evaluate the safety and efficacy of the everolimus-eluting stent (EES, XIENCE V/PROMUS Stent) in routine clinical practice at 47 centers. In this study, 1848 lesions (1546 patients) were assessed using quantitative coronary angiography. In these 1546 patients, renal function data were unknown in 26 patients...
July 19, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28710605/current-clinical-applications-of-coronary-optical-coherence-tomography
#2
REVIEW
Teruyoshi Kume, Shiro Uemura
Optical 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...
July 14, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28681220/comparison-of-platelet-aggregation-response-in-switching-regimen-from-prasugrel-to-clopidogrel-between-cyp2c19-extensive-versus-non-extensive-metabolizers
#3
Soichiro Ebisawa, Yasushi Ueki, Tomoaki Mochidome, Keisuke Senda, Hitoshi Nishimura, Tatsuya Saigusa, Takashi Miura, Hirohiko Motoki, Jun Koyama, Uichi Ikeda
Little is known about the response of platelet aggregation in patients with acute coronary syndrome (ACS) when prasugrel is changed to clopidogrel. In this study, we evaluated the pharmacodynamic effects of this medication switch. Twenty-one consecutive ACS patients received prasugrel 20 mg as a loading dose before emergent percutaneous coronary intervention and 3.75 mg as a maintenance dose on days 2-7 (prasugrel phase). From day 8, prasugrel was switched to clopidogrel 75 mg/day (clopidogrel phase). P2Y12 reaction units (PRU) were measured 2-4 h after prasugrel loading, and on days 7, 11, 13, 15, and 42...
July 5, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28674929/frequency-of-a-large-drift-caused-by-pressure-wire-using-optical-fibers
#4
Yoshiaki Kawase, Toru Tanigaki, Akihiro Hirakawa, Hiroyuki Omori, Tetsuo Hirata, Syuuichi Okamoto, Hideaki Ota, Jun Kikuchi, Munenori Okubo, Hiroki Kamiya, Masanori Kawasaki, Takahiko Suzuki, Hitoshi Matsuo
The frequency of a large pressure signal drift (PDs) caused by pressure wire using optical fibers and its effect on fractional flow reserve (FFR)-based decision-making is not clear. We used pressure wires using optical fibers as "workhorse wires" for 95 consecutive lesions. The wire was normalized at the tip of the guiding catheter just before performing the percutaneous coronary intervention (PCI) and was used without re-normalization until the end of the PCI. The drift value at the end of the procedures was evaluated...
July 3, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28660560/jetstream-atherectomy-and-balloon-angioplasty-with-distal-embolic-protection-for-angio-seal%C3%A2-related-vascular-access-complications
#5
Mihir Barvalia, Mohammad Thawabi, Yassir Nawaz, Nishant Sethi, John Shao, Michael Amponsah, Gautam Visveswaran, Marc Cohen, Najam Wasty
Arteriotomy closure devices (ACDs) are routinely used for vascular closure during invasive cardiovascular procedures. They decrease time to hemostasis as well as length of stay. Major complications such as arterial ischemia and occlusion can be encountered in a minority of patients. We are describing a series of 3 patients with access site closure using Angio-Seal after coronary angiography who developed intermittent claudication within 2-3 weeks of follow-up. Access site thrombosis/stenosis in the CFA was found in all the three cases...
June 28, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28643216/spontaneous-coronary-artery-dissection-with-a-collateral-vessel
#6
Toshihiro Suga, Takashi Hatori, Keita Oyama, Yuko Suga, Kunihiko Imai, Younosuke Kitahara
No abstract text is available yet for this article.
June 22, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28643215/relationship-between-instantaneous-wave-free-ratio-and-fractional-flow-reserve-in-patients-receiving-hemodialysis
#7
Yuta Morioka, Hiroyuki Arashi, Hisao Otsuki, Junichi Yamaguchi, Nobuhisa Hagiwara
Instantaneous wave-free ratio (iFR) is a vasodilator-free index and is reported to have a good correlation with fractional flow reserve (FFR). Hemodialysis patients exhibit left ventricular hypertrophy, reduced arterial compliance, and impaired microcirculation. Such a coronary flow condition in these patients may influence the relationship between iFR and FFR. This study assessed the impact of hemodialysis on the relationship between iFR and FFR. The study enrolled 196 patients with 265 stenoses who underwent assessment via iFR, FFR assessment, and right heart catheterization...
June 22, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28643214/new-generation-devices-for-transfemoral-transcatheter-aortic-valve-replacement-are-superior-compared-with-last-generation-devices-with-respect-to-varc-2-outcome
#8
Julia Seeger, Birgid Gonska, Wolfgang Rottbauer, Jochen Wöhrle
New generation devices for transcatheter aortic valve replacement have been optimized to improve clinical outcome. We compared procedural, in-hospital, 30 days and 12 months outcome of the new generation repositionable Boston Lotus Valve and the balloon-expandable Edwards Sapien 3 valve with the last generation self-expandable Medtronic CoreValve and the balloon-expandable Edwards Sapien XT. Between 2010 and 2015 consecutive patients treated with the Medtronic CoreValve (N = 100), Edwards Sapien XT (N = 100), Edwards Sapien S3 (N = 100) and Boston Lotus device (N = 100) were enrolled...
June 22, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28639110/neointimal-hyperplasia-covering-the-intraluminal-neo-metal-carina-12%C3%A2-years-after-the-simultaneous-kissing-stenting-technique-was-performed-insight-from-optical-frequency-domain-imaging-findings
#9
Naoki Yoshioka, Kensuke Takagi, Itsuro Morishima, Hideyuki Tsuboi
No abstract text is available yet for this article.
June 21, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28608310/platelet-inhibition-after-loading-dose-of-prasugrel-in-patients-with-st-elevation-and-non-st-elevation-acute-coronary-syndrome
#10
Shinichi Wakabayashi, Hideki Kitahara, Takeshi Nishi, Kazumasa Sugimoto, Takashi Nakayama, Yoshihide Fujimoto, Noritaka Ariyoshi, Yoshio Kobayashi
The PRASFIT-ACS study showed the antiplatelet effect 2-4 h after prasugrel loading. However, there is little information about the antiplatelet effect <2 h after prasugrel loading dose, especially in patients with acute coronary syndrome (ACS). There had not been any comparison between ST-segment elevation myocardial infarction (STEMI) and non-ST-segment elevation ACS (NSTE-ACS). Fifty patients with ACS (15 with STEMI and 35 with NSTE-ACS) were enrolled. They received a 20-mg prasugrel loading dose followed by a maintenance dose of 3...
June 12, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28601933/successful-transcatheter-repair-of-severe-aortic-valve-stenosis-with-a-fishhook-like-calcification
#11
Takanori Suezawa, Masataka Hirata, Shu Yamamoto, Takeshi Shichijo, Kazumasa Nosaka, Masayuki Doi
No abstract text is available yet for this article.
June 10, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28585049/characteristics-and-in-hospital-outcomes-in-young-patients-presenting-with-acute-coronary-syndrome-treated-by-percutaneous-coronary-intervention
#12
Yukiho Hirota, Mitsuaki Sawano, Yohei Numasawa, Ikuko Ueda, Shigetaka Noma, Masahiro Suzuki, Kentaro Hayashida, Shinsuke Yuasa, Yuichiro Maekawa, Shun Kohsaka, Keiichi Fukuda
There is a growing interest in the optimizing care of acute coronary syndrome (ACS) in young patients, largely owing to their potential for longer life expectancy. Herein, we aimed to investigate the clinical characteristics and outcome of young ACS patients (e.g. under 60 year old) from a Japanese multicenter percutaneous coronary intervention (PCI) registry (KiCS-PCI). KiCS-PCI registered consecutive ACS patients from 15 institutions, and 1560 (24.0%) out of 6499 ACS-related PCI involved patients aged <60 years...
June 5, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28567700/different-impact-of-aortic-regurgitation-assessed-by-aortic-root-angiography-after-transcatheter-aortic-valve-implantation-according-to-baseline-left-ventricular-ejection-fraction-and-n-terminal-pro-b-type-natriuretic-peptide
#13
Hidehiro Kaneko, Frank Hoelschermann, Thomas Schau, Grit Tambor, Michael Neuss, Christian Butter
Transcatheter aortic valve implantation (TAVI) is an alternative therapeutic option for severe aortic stenosis. Aortic regurgitation (AR) is commonly observed after TAVI and increases the mortality rate. We hypothesized that the influence of significant AR, defined as that more severe than mild AR, on survival rate after TAVI might differ according to the baseline left ventricular ejection fraction (LVEF) and N-terminal pro-B-type natriuretic peptide (NT-pro BNP) level. We categorized 856 patients who underwent transfemoral TAVI into 2 groups according to their baseline LVEF (<40 and ≥40%) and NT-pro BNP levels (≤5000 and >5000 pg/mL)...
May 31, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28540635/wire-bias-in-coronary-measurement-using-optical-coherence-tomography
#14
Edward James Danson, Peter Hansen, Ravinay Bhindi
OCT is widely used for accurate coronary stent sizing; however, the impact of coronary tortuosity or guide wire weight on the accuracy of OCT in assessing coronary dimensions is not known. This study sought to determine whether guide wire properties impact on coronary diameter and length estimation by optical coherence tomography (OCT) in tortuous segments of coronary artery. OCT coronary diameters were determined in selected patients with tortuous arteries before and after removal of a supportive guide wire to obtain unobscured images...
May 24, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28540634/simplifying-contrast-induced-acute-kidney-injury-prediction-after-primary-percutaneous-coronary-intervention-the-age-creatinine-and-ejection-fraction-score
#15
Gustavo N Araujo, Fernando Pivatto Junior, Bruno Fuhr, Elvis P Cassol, Guilherme P Machado, Felipe H Valle, Luiz C Bergoli, Rodrigo V Wainstein, Carisi A Polanczyk, Marco V Wainstein
Contrast-induced acute kidney injury (CI-AKI) is a common event after percutaneous coronary intervention (PCI). Presently, the main strategy to avoid CI-AKI lies in saline hydration, since to date none pharmacologic prophylaxis proved beneficial. Our aim was to determine if a low complexity mortality risk model is able to predict CI-AKI in patients undergoing PCI after ST elevation myocardial infarction (STEMI). We have included patients with STEMI submitted to primary PCI in a tertiary hospital. The definition of CI-AKI was a raise of 0...
May 24, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28493084/combined-intracoronary-2d-3d-optical-coherence-tomography-and-intravascular-ultrasound-imaging-in-left-main-severe-stent-malapposition
#16
Enrico Cerrato, Corina Biagioni, Pilar Jimenez-Quevedo, Ivan J Nuñez-Gil, Nieves Gonzalo, Javier Escaned
No abstract text is available yet for this article.
May 10, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28477330/intracardiac-echocardiography-during-transcatheter-tricuspid-valve-in-valve-implantation
#17
Mike Saji, Gorav Ailawadi, Valerie Izarnotegui, Dale E Fowler, D Scott Lim
No abstract text is available yet for this article.
May 5, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/27604392/combined-transcatheter-aortic-valve-implantation-and-type-ii-endoleak-repair-after-endovascular-repair-for-abdominal-aortic-aneurysm
#18
Yu Horiuchi, Mika Izumo, Takayoshi Kusuhara, Motoi Yokozuka, Takeshi Taketani, Kengo Tanabe
This report describes an elderly severe aortic stenosis (AS) patient, who had a history of coronary artery bypass grafting and endovascular repair for an abdominal aortic aneurysm (AAA). Type II endoleak with enlargement of AAA was diagnosed and ligation of inferior mesenteric artery (IMA) was recommended. Because aortic valve replacement (AVR) was high risk, we planned transcatheter aortic valve implantation (TAVI). Considering risks of IMA ligation under dual antiplatelet therapy, increased blood pressure after TAVI, and general anesthesia, we performed combined TAVI and IMA ligation...
July 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/27581158/novel-retrograde-puncture-technique-for-infrapopliteal-artery-revascularization-transplantar-retrograde-access
#19
Tatsuya Nakama, Hiroshi Ando, Nozomi Watanabe, Kenji Ogata, Tatsuro Takei, Yoshisato Shibata
Patients with critical limbs ischemia received endovascular revascularization for his posterior tibial artery (PTA) to plantar artery long occlusion without proximal stump. Antegrade recanalization seemed impossible, so retrograde access should be considered. However, the conventional retrograde puncture was also not available. Therefore, novel retrograde transplantar access was conducted. The plantar artery was successfully punctured with a 20-G needle. In addition, a guidewire was retrogradely inserted with a sheathless technique...
July 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/27581157/a-rare-case-of-rotablator-%C3%A2-driveshaft-fracture-and-successful-percutaneous-retrieval-of-a-trapped-burr-using-a-balloon-and-guideliner-%C3%A2
#20
Shunichi Imamura, Koji Nishida, Kazuya Kawai, Naohisa Hamashige, Hiroaki Kitaoka
A 75-year-old man with a severe calcified atheromatous plaque of the right coronary artery underwent percutaneous coronary intervention using a Rotablator(®). During the procedure, the 1.5-mm burr became entrapped, and the driveshaft fractured. While various techniques for retrieving the burr were attempted, a new technique was created. The entrapped burr was sandwiched between an inflated balloon and the GuideLiner(®), and a strong back-up force was obtained. Finally, the system was pulled back safely, and the entrapped burr was retrieved without complications...
July 2017: Cardiovascular Intervention and Therapeutics
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