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Cardiovascular Intervention and Therapeutics

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https://www.readbyqxmd.com/read/28097639/risk-of-bleeding-and-repeated-bleeding-events-in-prasugrel-treated-patients-a-review-of-data-from-the-japanese-prasfit-studies
#1
REVIEW
Masakatsu Nishikawa, Takaaki Isshiki, Takeshi Kimura, Hisao Ogawa, Hiroyoshi Yokoi, Shunichi Miyazaki, Yasuo Ikeda, Masato Nakamura, Yuko Tanaka, Shigeru Saito
Prasugrel is a third-generation thienopyridine that achieves potent platelet inhibition with less pharmacological variability than other thienopyridines. However, clinical experience suggests that prasugrel may be associated with a higher risk of de novo and recurrent bleeding events compared with clopidogrel in Japanese patients undergoing percutaneous coronary intervention (PCI). In this review, we evaluate the risk of bleeding in Japanese patients treated with prasugrel at the doses (loading/maintenance doses: 20/3...
January 17, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28054263/endovascular-intervention-for-chronically-occluded-distal-bypass-with-saphenous-vein-graft-reopening-a-long-direct-road-to-the-foot
#2
Yuki Irie, Osami Kawarada, Shinobu Ayabe, Takeshi Yagyu, Teruo Noguchi, Satoshi Yasuda
No abstract text is available yet for this article.
January 4, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28044253/transvenous-inoue-balloon-aortic-valvuloplasty-with-intra-aortic-balloon-pump-in-treating-cardiogenic-shock-due-to-critical-calcific-aortic-stenosis
#3
Yoshihito Sakata
A 90-year-old female with severe peripheral vascular disease developed cardiogenic shock (CS) due to critical aortic stenosis (AS). The balloon aortic valvuloplasty was emergently performed via transvenous and transseptal antegrade approach (ante-BAV), which saved arterial accesses for intra-aortic balloon pump (IABP) and enabled us to use the Inoue balloon. The IABP augmented systemic perfusions and controlled left heart filling pressures. Multiple times of inflations with stepwisely increased balloon diameters were performed under IABP support (ante-Inoue-BAV + IABP), resulting in remarkable improvements both in clinical and hemodynamic conditions...
January 2, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28039573/calcified-nodule-as-an-unsolved-cause-of-coronary-stent-thrombosis-in-the-new-generation-drug-eluting-stent-era
#4
Kazuhiko Yumoto, Tsubasa Kanaya, Shingo Tanaka, Tomoyuki Fukuzawa, Takahiro Watanabe, Hajime Aoki
No abstract text is available yet for this article.
December 30, 2016: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28028747/non-occlusive-mesenteric-ischemia-accompanied-by-aortic-regurgitation-after-transcatheter-aortic-valve-implantation
#5
Kentaro Meguro, Junro Ishizaki, Tomoyoshi Yanagisawa, Toshimi Koitabashi, Tadashi Kitamura, Junya Ako
An 81-year-old male with severe symptomatic aortic stenosis with ventricular tachycardia was referred for treatment. Balloon aortic valvuloplasty was performed under cardiopulmonary resuscitation. Though transcatheter aortic valve implantation (TAVI) was considered high risk for annulus rupture and aortic regurgitation due to annular calcification, TAVI was performed because of extremely high surgical risk. Moderate-to-severe aortic regurgitation (AR) remained and progression of acidosis could not be managed with continuous hemodiafiltration...
December 27, 2016: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/27988833/right-coronary-artery-stenosis-associated-with-tricuspid-valve-ring-annuloplasty
#6
Keiichi Tsuchida, Kota Nishida, Hirotaka Oda, Yukio Hosaka, Kazuyoshi Takahashi, Satoshi Nakazawa
A 70-year-old man with severe symptomatic functional mitral valve regurgitation underwent successful mitral valve repair combined with tricuspid valve ring annuloplasty. Pre-operative coronary angiography (CAG) showed no significant stenosis. One-and-a-half years later, the patient presented with an acute exacerbation of heart failure. Repeat CAG demonstrated tight stenosis in the right coronary artery (RCA) with arterial kinking that corresponded to the same point as the stenosis where the RCA is the closest to the tricuspid valve ring...
December 17, 2016: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/27943219/visualization-of-the-improvement-of-myocardial-perfusion-after-coronary-intervention-using-motorized-fractional-flow-reserve-pullback-curve
#7
Akiko Matsuo, Satoshi Shimoo, Kazuaki Takamatsu, Yumika Tsuji, Atsushi Kyodo, Kayoko Mera, Masahiro Koide, Koji Isodono, Yoshinori Tsubakimoto, Tomohiko Sakatani, Keiji Inoue, Hiroshi Fujita
This study aimed to evaluate the feasibility and utility of using motorized pullback of the pressure guidewire to provide a graphic assessment and prediction of the benefits of coronary intervention. Fractional flow reserve (FFR) measurements were performed with motorized pullback imaging in 20 patients who underwent successful percutaneous coronary intervention (PCI) of the left anterior descending artery. Physiological lesion length (PLL) was calculated using frame counts to determine stent length. FFR area was calculated by integrating the FFR values recorded during pullback tracing (FFRarea)...
December 10, 2016: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/27905013/impact-of-stent-type-and-prolonged-dual-antiplatelet-therapy-on-long-term-clinical-outcomes-in-hemodialysis-patients-with-coronary-artery-disease
#8
Masahiko Asami, Jiro Aoki, Tatsuyuki Sato, Shuzou Tanimoto, Mika Watanabe, Yu Horiuchi, Koichi Furui, Kentaro Yasuhara, Yu Sato, Takuya Hashimoto, Sen Yachi, Kazuhiro Hara, Kengo Tanabe
The aim of this study was to address 7-year clinical outcomes and impact of prolonged dual antiplatelet therapy (DAPT) after coronary stenting in hemodialysis patients. Our study included 123 consecutive hemodialysis patients who had undergone percutaneous coronary intervention with a drug-eluting stent (DES) or bare-metal stent (BMS) (DES: 64, BMS: 59) in our institution. We compared long-term clinical outcomes following DES with BMS implantation as well as clinical outcomes in patients on DAPT for ≥1 year (DAPT on group, 89) with those on DAPT for <1 year (DAPT off group, 34)...
November 30, 2016: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/27896704/external-and-internal-compressions-to-retrieve-a-kinked-catheter-in-the-right-brachial-artery
#9
Keisuke Nakabayashi, Naomi Kawakatsu, Naomi Nakazawa, Toshiaki Suzuki, Hisayuki Okada, Toshiaki Oka
Kinking of the catheter due to excessive rotation is not a rare complication. However, percutaneous retrieval of a kinked catheter can be difficult. The key to bailout is fixation of the catheter tip. Herein, we present a 78-year-old woman who had this complication during transradial angiography. Retrieval using several previously reported techniques was unsuccessful. We finally retrieved the kinked catheter by fixing the tip of the catheter, using external and internal compressions. The former comprises manual compression on the axillary artery, while the latter comprises deployment of a balloon catheter via another puncture site...
November 28, 2016: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/27885511/does-anticoagulation-therapy-prevent-thrombosis-in-coronary-stent-grafts
#10
Yuki Honda, Kohei Wakabayashi, Takayasu Suzuki, Hiroshi Suzuki
A polytetrafluoroethylene (PTFE)-covered stent was deployed for enlarging coronary aneurysms in a 73-year-old man. Optical coherence tomography (OCT) and coronary angioscopy performed 3 months later revealed naked stent struts and thin patches of red thrombi covering the PTFE membrane even under dual antiplatelet therapy (DAPT). After 5-month warfarin administration under DAPT, OCT and angioscopy showed a clear extinction of the thin patches of red thrombi on the PTFE membrane and stent struts, although most of the struts were still naked...
November 24, 2016: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/27885510/left-main-crossover-stenting-in-a-patient-with-severe-thrombocytopenia-due-to-aplastic-anemia
#11
Marie Nishikawa, Jun Shiraishi, Muneo Ohshiro, Masaki Yashige, Masayuki Hyogo, Takahisa Sawada
A 76-year-old man with aplastic anemia presented with recurrent acute myocardial infarction (AMI) with heart failure. After the initial appearance of AMI approximately 2 months earlier, he had received conservative treatment/transfusion alone because of severe thrombocytopenia and anemia (platelet 11 × 10(3)/μL, hemoglobin 6.4 g/dL). Refractory heart failure persisted despite repeated conservative treatment/transfusion for the second AMI, and therefore, we performed transradial coronary angiography and left main crossover stenting with a bare metal stent...
November 24, 2016: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/27873169/evaluation-for-the-efficacy-and-safety-of-the-crosser-catheter-as-a-cto-crossing-device-and-a-flossing-device
#12
Michinao Tan, Kazushi Urasawa, Ryoji Koshida, Takuya Haraguchi, Shunsuke Kitani, Yuya Nakagawa, Yasumi Igarashi, Katsuhiko Sato
The Crosser catheter is a unique device that facilitates antegrade intraluminal recanalization by high-frequency vibration energy and cavitation. We used this device not only as a chronic total occlusion (CTO) crossing device, but also as a flossing device in stenotic lesions and we also evaluated the efficacy of this device when used with both the "Crosser preceding" and the "Guidewire preceding" in CTOs. Complications related to this device were investigated, too. We retrospectively analyzed a total of 90 consecutive patients with peripheral artery disease in the femoropopliteal artery and below-the-knee artery (BTA)...
November 21, 2016: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/27848240/delamination-of-novel-ultrathin-bioabsorbable-abluminal-polymer-of-platinum-chromium-everolimus-eluting-stent
#13
Yoshihide Fujimoto, Yoshio Kobayashi, Ken Kato, Masashi Yamaguchi
No abstract text is available yet for this article.
November 15, 2016: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/27832479/large-single-centre-experience-with-the-cera%C3%A2-and-ceraflex%C3%A2-occluders-for-closure-of-interatrial-communications-usefulness-of-the-flexible-rotation-feature
#14
Sotiria C Apostolopoulou, Alexandros Tsoutsinos, Cleo Laskari, Maria Kiaffas, Spyridon Rammos
We present our experience with the Cera (CO) and the CeraFlex occluder (CFO) in transcatheter closure of interatrial communications (IAC). Between 2013 and 2016, 201 patients (75 males, 16 with patent foramen ovale), aged 27 ± 19 (5-75) years, underwent percutaneous closure of IAC using CO or CFO in our institution. After transoesophageal imaging, the procedure was aborted in 7 young paediatric (6-13 years old) patients (3 multiple holes, 3 too small septum, 1 leak with 38 mm occlusion balloon). The occluder was removed prior to release in 11 patients (5...
November 10, 2016: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/27830460/hydrophilic-polymer-embolization-another-differential-diagnosis-of-iatrogenic-leg-embolization-after-transcatheter-aortic-valve-replacement
#15
Ikki Komatsu, Hirotsugu Mitsuhashi, Mikihiko Nakaoka, Nobuyuki Komiyama
In daily practice, the iatrogenic complication hydrophilic polymer embolization (HPE) is under-recognized. An 86-year-old male experienced a distal foot embolization after transcatheter aortic valve replacement. Rashes appeared only in the access side foot just after the procedure. Gradual worsening of the rashes was first thought to be cholesterol crystal embolization (CCE), but a pathological examination revealed HPE. The clinical course following the diagnosis was uneventful without notable treatment. We experienced a rare but important alternative differential diagnosis of CCE after catheter intervention...
November 9, 2016: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/27830459/comparison-of-radial-brachial-and-femoral-accesses-using-hemostatic-devices-for-percutaneous-coronary-intervention
#16
Masaya Otsuka, Nobuo Shiode, Yasuhisa Nakao, Yuki Ikegami, Yusuke Kobayashi, Arinori Takeuchi, Ayako Harima, Tadanao Higaki, Kuniomi Oi, Kazuoki Dai, Tomoharu Kawase, Yasuharu Nakama, Kazuyoshi Suenari, Kenji Nishioka, Koyu Sakai, Yuji Shimatani, Yoshiko Masaoka, Ichiro Inoue
Some studies have suggested that radial access (RA) for percutaneous coronary intervention (PCI) reduces vascular complications and bleeding compared to femoral access (FA). The purpose of this study was to investigate the routine use of hemostatic devices and bleeding complications among RA, brachial access (BA), and FA. Between January 2015 and December 2015, 298 patients treated for PCI with RA were compared with 158 patients using BA and 206 patients using FA. The radial sheath was routinely removed with ADAPTY, the brachial sheath with BLEED SAFE, and the femoral sheath with Perclose ProGlide...
November 9, 2016: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/27822890/comparison-of-the-endothelial-coverage-in-everolimus-and-zotarolimus-eluting-stents-in-normal-atherosclerotic-and-bifurcation-rabbit-iliac-arteries
#17
Sho Torii, Gaku Nakazawa, Takeshi Ijichi, Ayako Yoshikawa, Yohei Ohno, Yuji Ikari
The aim of this study is to evaluate differences in stent endothelial coverage among the second generation of drug-eluting stents. Incomplete stent coverage is one of the major causes of late stent thrombosis. Rabbits fed a normal diet received an everolimus (Xience Prime; EES) and a zotarolimus-eluting stent (Resolute Integrity; R-ZES) in each iliac artery, followed by sacrifice at 14 and 28 days after stent implantation. In addition, a group of atherosclerotic rabbits similarly received EES and R-ZES, and were sacrificed at 28 days...
November 7, 2016: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/27822889/intravascular-ultrasound-guided-drug-eluting-stent-implantation
#18
REVIEW
Tadayuki Kadohira, Yoshio Kobayashi
Intravascular ultrasound (IVUS) is a reliable imaging tool to guide percutaneous coronary intervention. There has been increasing evidence supporting the clinical utility of IVUS-guided drug-eluting stent (DES) implantation, including randomized trials, observational studies, and meta-analyses of both. IVUS provides cross-sectional views of the coronary artery wall, and allows us to assess stenosis severity, identify plaque morphology, optimize stent implantation, and understand mechanism of stent failure. IVUS guidance can increase DES efficacy and decrease clinical events...
November 7, 2016: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/27797010/seesaw-double-guideliner-%C3%A2-catheter-technique-for-a-successful-bail-out-procedure-from-blow-out-type-coronary-perforation
#19
Takeshi Sugimoto, Tetsuya Nomura, Daisuke Miyawaki, Taku Kato, Natsuya Keira, Tetsuya Tatsumi
We encountered a case of blow-out type coronary perforation at the calcified stenosis of left anterior descending artery. First, we started immediate balloon tamponade through the initial guiding catheter (GC) with a GuideLiner(®) catheter. Next, we introduced a second GC with a GuideLiner(®) catheter and successfully deployed a covered stent. Two sets of the GC with GuideLiner(®) catheter facilitated us to simultaneously perform temporary hemostasis with balloon tamponade and rapid delivery of a covered stent...
October 31, 2016: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/27757830/off-label-use-of-7fr-guideliner-in-the-bifurcation-coronary-intervention-protecting-2-side-branches
#20
Takayuki Warisawa, Toru Naganuma, Sunao Nakamura
We report a case of percutaneous coronary intervention in a bifurcation lesion involving left circumflex (LCx) artery and 2 major posterolateral (PL) arteries. The target LCx had diffuse long and severely calcified lesion with the acute takeoff angle from the left main. Despite adequate lesion preparation with rotational atherectomy and balloon angioplasty, the stent was not deliverable, even with deep intubation of 7Fr-guiding catheter. Conventional use of guiding extension catheter (GEC) would have required removal of a wire from at least one PL because of the device interference in the GEC...
October 18, 2016: Cardiovascular Intervention and Therapeutics
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