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Cardiovascular Intervention and Therapeutics

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https://www.readbyqxmd.com/read/28357625/a-case-of-double-stent-implantation-for-left-main-coronary-artery-occlusion-in-transcatheter-aortic-valve-implantation-using-sapien-xt-device
#1
Masaki Ito, Norio Tada, Tatsushi Ootomo, Naoto Inoue
Transcatheter aortic valve implantation is an established alternative and less invasive procedure to replace heart valves in symptomatic aortic stenosis patients; however, severe, life-threatening complications still exist. Coronary artery occlusion is a primary complication. We report a case of left main coronary artery occlusion after transcatheter aortic valve replacement, which was ameliorated using a double stent implantation technique.
March 29, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28349417/midterm-angiographic-outcomes-with-sirolimus-and-everolimus-eluting-stents-for-small-vessels-in-diabetic-patients-propensity-score-matched-comparisons-in-three-different-vessel-diameters
#2
Kenichiro Suzuki, Tetsuya Ishikawa, Makoto Mutoh, Hiroshi Sakamoto, Takeyuki Kubota, Takayuki Ogawa, Chikara Mori, Koichi Hashimoto, Kimiaki Komukai, Michihiro Yoshimura
We conducted propensity-score-matched comparisons of midterm angiographic follow-up outcomes of sirolimus- versus everolimus-eluting stents (SES, EES) after elective placements for de novo coronary stenosis in small vessels (SV) in patients with diabetes mellitus (DM), because the angiographic efficacy of EES over SES for those cohorts remained unclear. The study was a non-randomized, retrospective, lesion-based, multicenter study, examining lesions followed up angiographically within 550 days, extracted from the unified database of 6 institutes...
March 27, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28275974/early-disarticulation-of-a-bioresorbable-vascular-scaffold-an-underreported-consequence-of-repeat-imaging
#3
Joel P Giblett, Adam J Brown, Stephen P Hoole, Nick E J West
No abstract text is available yet for this article.
March 8, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28255728/comparison-of-early-phase-arterial-repair-following-cobalt-chrome-everolimus-eluting-stent-and-slow-release-zotarolimus-eluting-stent-an-angioscopic-study
#4
Takayuki Ishihara, Osamu Iida, Masashi Fujita, Masaharu Masuda, Shin Okamoto, Kiyonori Nanto, Takashi Kanda, Takuya Tsujimura, Akihiro Sunaga, Masaki Awata, Shinsuke Nanto, Masaaki Uematsu
Whether arterial repair following implantation of drug-eluting stents (DES) of the second generation differs among stent types remains unknown. We examined 41 DES placed in 28 patients (age 72 ± 7 years, male 89%) presenting with stable angina pectoris due to de novo lesions in native coronary arteries. Coronary angioscopy was performed 4 ± 1 months after stent implantation. Patients were divided into two groups based on the DES types: 22 cobalt-chrome everolimus-eluting stents (CoCr-EES) in 13 patients and 19 slow-release zotarolimus-eluting stents (R-ZES) in 15 patients...
March 2, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28251562/how-should-recent-endovascular-trials-for-femoropopliteal-artery-disease-be-interpreted
#5
REVIEW
Yoshiaki Yokoi
Most cases of femoral-popliteal disease require aggressive medical treatment, but patients with severe lifestyle-limiting symptoms and limb-threatening disease are increasingly receiving endovascular treatment. The femoropopliteal artery is the longest vessel in the thigh and the unique physical forces involved in this vessel are considered to cause high rates of restenosis and stent fracture. Endovascular therapy for superficial artery (SFA) disease is still a challenge in terms of long-term patency and clinical effectiveness...
March 1, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28213685/prasugrel-for-japanese-patients-with-acute-coronary-syndrome-in-short-term-clinical-practice-prasfit-practice-i-a-postmarketing-observational-study
#6
Masato Nakamura, Tomoko Iizuka, Kei Sagawa, Kenji Abe, Shuichi Chikada, Miyuki Arai
Data on prasugrel use in Japanese patients are limited to phase II/III clinical trials. This early postmarketing observational study evaluated the safety and efficacy of short-term prasugrel use in patients with acute coronary syndrome (ACS) in real-world clinical settings in Japan. From May 2014 to January 2015, we enrolled consecutive patients with ACS requiring percutaneous coronary intervention in each institution. Each patient started prasugrel treatment ≥1 month before the end of the study period...
February 17, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28194700/perioperative-management-for-iatrogenic-aortocoronary-dissection-during-percutaneous-coronary-intervention
#7
Takashi Shuto, Hirofumi Anai, Jun Hirota, Tomoyuki Wada, Satoshi Takebayashi, Shinji Miyamoto
Aortocoronary dissection is a rare but serious complication. We report the case of a 72-year-old female with angina. Percutaneous coronary intervention was performed for right coronary artery disease. Manipulation of the guiding catheter led to aortocoronary dissection. A drug-eluting stent was immediately implanted in the right coronary ostium to seal the entry of the dissection. Computed tomography (CT) showed ascending aortic dissection. The patient was observed without surgery. CT performed the following day and showed the contrast in the false lumen which had disappeared...
February 13, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28190187/tips-of-the-dual-lumen-microcatheter-facilitated-reverse-wire-technique-in-percutaneous-coronary-interventions-for-markedly-angulated-bifurcated-lesions
#8
Tetsuya Nomura, Masakazu Kikai, Yusuke Hori, Kenichi Yoshioka, Hiroshi Kubota, Daisuke Miyawaki, Ryota Urata, Takeshi Sugimoto, Natsuya Keira, Tetsuya Tatsumi
In practical settings of percutaneous coronary intervention (PCI), we sometimes encounter difficulty in introducing a guidewire (GW) to the markedly angulated side branch (SB), and the reverse wire technique is considered as a last resort to overcome such a situation. We analyzed 12 cases that underwent PCI with dual-lumen microcatheter-facilitated reverse wire technique between January 2013 and July 2016. We retrospectively investigated the lesion's characteristics and the details of the PCI procedures, and discussed tips about the use of this technique...
February 11, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28176200/simultaneous-occurrence-of-myocardial-infarction-and-duodenal-perforation
#9
Toshihiro Suga, Keita Oyama, Yuko Suga, Takashi Hatori, Kunihiko Imai, Younosuke Kitahara
No abstract text is available yet for this article.
February 7, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28150119/second-generation-versus-first-generation-drug-eluting-stents-in-patients-with-and-without-diabetes-mellitus-pooled-analysis-from-the-reset-and-next-trials
#10
Kenji Nakatsuma, Hiroki Shiomi, Masahiro Natsuaki, Takeshi Morimoto, Keiichi Igarashi, Kazushige Kadota, Toshiya Muramatsu, Kengo Tanabe, Yoshihiro Morino, Takashi Akasaka, Yoshihisa Nakagawa, Ken Kozuma, Takeshi Kimura
The impact of second-generation drug-eluting stent (G2-DES) implantations compared with first-generation drug-eluting stents (G1-DES) implantations on long-term clinical outcomes after percutaneous coronary intervention in patients with and without diabetes mellitus (DM) has not yet been adequately assessed. This pooled analysis compared 3-year clinical outcomes between G1- and G2-DES according to the presence or absence of DM, using individual patient-level data from the RESET and NEXT trials. Among 6431 patients, G1-DES and G2-DES were used in 713 and 2211 patients, respectively, in the DM stratum, and 887 and 2620 patients, respectively, in the non-DM stratum...
February 1, 2017: Cardiovascular Intervention and Therapeutics
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
#11
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...
April 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28110424/effects-of-caffeine-on-fractional-flow-reserve-values-measured-using-intravenous-adenosine-triphosphate
#12
Masafumi Nakayama, Taishiro Chikamori, Takashi Uchiyama, Yo Kimura, Nobuhiro Hijikata, Ryosuke Ito, Mikio Yuhara, Hideaki Sato, Yuichi Kobori, Akira Yamashina
We investigated the effects of caffeine intake on fractional flow reserve (FFR) values measured using intravenous adenosine triphosphate (ATP) before cardiac catheterization. Caffeine is a competitive antagonist for adenosine receptors; however, it is unclear whether this antagonism affects FFR values. Patients were evenly randomized into 2 groups preceding the FFR study. In the caffeine group (n = 15), participants were given coffee containing 222 mg of caffeine 2 h before the catheterization. In the non-caffeine group (n = 15), participants were instructed not to take any caffeine-containing drinks or foods for at least 12 h before the catheterization...
January 21, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28108954/transcatheter-closure-of-an-atrial-septal-defect-with-high-risk-of-erosion-using-a-figulla-flex-ii-atrial-septal-defect-occluder
#13
Norio Tada, Yukiko Mizutani, Takashi Matsumoto, Mie Sakurai, Tatsushi Ootomo
An 85-year-old man with a high risk for open heart surgery underwent a percutaneous closure of an atrial septal defect that lacked adequate aortic and superior rims. To avoid the risk for erosion, a Figulla Flex II ASD occluder was selected for the procedure. Implantation was successful, and no complications were observed during the 6 months of follow-up.
January 20, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28108953/predictors-of-early-restenosis-after-intracardiac-echocardiography-guided-antegrade-balloon-aortic-valvuloplasty-in-high-risk-or-inoperable-patients
#14
Shinobu Hosokawa, Yoshikazu Hiasa, Akiho Seno, Tatuo Yasuoka, Tomoko Izumi, Riyo Ogura
Antegrade balloon aortic valvuloplasty (BAV) may be more effective than retrograde BAV. However, early restenosis is found inconstantly within three months after BAV. To evaluate the factor of ER after intracardiac echocardiogram (ICE) guided Antegrade BAV, fifty patients with severe aortic stenosis (AS) underwent BAV procedures with ICE. ER was defined as mean aortic valve pressure gradient (PG) >40 mmHg. During one-year follow-up period, 6 patients died and 2 patients underwent aortic valve replacement...
January 20, 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
#15
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
#16
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/27822889/intravascular-ultrasound-guided-drug-eluting-stent-implantation
#17
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...
January 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/27139179/first-percutaneous-implantation-of-a-completely-tissue-engineered-self-expanding-pulmonary-heart-valve-prosthesis-using-a-newly-developed-delivery-system-a-feasibility-study-in-sheep
#18
Hendrik Spriestersbach, Antonia Prudlo, Marco Bartosch, Bart Sanders, Torben Radtke, Frank P T Baaijens, Simon P Hoerstrup, Felix Berger, Boris Schmitt
In a European consortium, a decellularized tissue-engineered heart valve (dTEHV) based on vessel-derived cells, a fast-degrading scaffold and a self-expanding stent has been developed. The aim of this study was to demonstrate that percutaneous delivery is feasible. To implant this valve prosthesis transcutaneously into pulmonary position, a catheter delivery system was designed and custom made. Three sheep underwent transjugular prototype implantation. Intracardiac echocardiography (ICE), angiography and computed tomography (CT) were applied to assess the position, morphology, function and dimensions of the stented dTEHV...
January 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/26979599/very-long-term-clinical-and-angiographic-outcomes-after-sirolimus-and-paclitaxel-eluting-stent-placement-for-st-elevation-myocardial-infarction-a-propensity-score-matched-comparison
#19
Takashi Miyamoto, Tetsuya Ishikawa, Yosuke Nakano, Makoto Mutoh
We conducted a retrospective examination of the very long-term outcomes of placing sirolimus (SES) and paclitaxel (PES)-eluting stents in patients with ST-elevation myocardial infarction (STEMI). This was a nonrandomized, retrospective, single-center study that included 872 first STEMI patients who underwent successful placement of either SES (n = 547) or PES from November 2004 to April 2012. The primary end point was the incidence of severe cardiac events comprising cardiac death, nonfatal recurrent myocardial infarction, and definite stent thrombosis (ST)...
January 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/26968169/reduction-in-incomplete-stent-apposition-area-caused-by-jailed-struts-after-single-stenting-at-left-main-bifurcation-lesions-micro-ct-analysis-using-a-three-dimensional-elastic-bifurcated-coronary-artery-model
#20
Yutaka Hikichi, Mitsuo Umezu, Koichi Node, Kiyotaka Iwasaki
Stent struts protruding into ostial side branch called "jailed strut" at bifurcation lesions is a likely cause of thrombus formation. We aimed to investigate the influences of multiple kissing balloon inflation (KBI) for stent expansion, and stent platform design, respectively, on the reduction of incomplete stent apposition area (ISA area) caused by jailed struts at a side-branch ostium, using a three-dimensional elastic left main (LM) bifurcated coronary artery model. The referenced LM bifurcation angle data of 209 patients were stratified by tertiles focusing on the angle between the LM trunk (LMT) and left anterior descending artery (LAD)...
January 2017: Cardiovascular Intervention and Therapeutics
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