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Coronary artery stent

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https://www.readbyqxmd.com/read/29775656/peripheral-vascular-stent-infection-case-report-and-review-of-literature
#1
Greg H Whitcher, Daniel J Bertges, Mrinal Shukla
We describe a case of an infected popliteal artery stent with septic emboli presenting 6 years after peripheral vascular intervention for intermittent claudication. Management included resection of the stent and popliteal artery and revascularization by femoral-popliteal bypass with autogenous vein. This case demonstrates that peripheral stent infections can develop years after intervention. We performed an English language PUBMED literature review of arterial peripheral vascular stent infections on using the search term, "Non-coronary stent or stent graft infection from 1966 to present...
May 15, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29770610/arsenic-trioxide-coated-stent-is-an-endothelium-friendly-drug-eluting-stent
#2
Yinping Zhao, Ruolin Du, Tian Zhou, Dongchuan Yang, Yuhua Huang, Yi Wang, Junli Huang, Xiaoyi Ma, Fugui He, Juhui Qiu, Guixue Wang
An ideal vascular stent would both inhibit in-stent restenosis (ISR) and promote rapid re-endothelialization. In the current study, the performance of arsenic trioxide (ATO)-drug eluting stent (AES) is compared with the bare metal stent, poly-lactic-co-glycolic acid-coating metal stent, and rapamycin-drug eluting stent (RES). In vivo AES is shown to prevent neointimal hyperplasia more efficiently than the others when implanted into the carotid arteries of rabbits. Moreover, AES promotes endothelial cells proliferation and re-endothelialization more quickly than RES...
May 16, 2018: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/29768315/angiography-guided-multivessel-percutaneous-coronary-intervention-versus-ischemia-guided-percutaneous-coronary-intervention-versus-medical-therapy-in-the-management-of-significant-disease-in-non-infarct-related-arteries-in-st-elevation-myocardial-infarction
#3
Dhanuka Perera, Tom Crake, Victor Lee
BACKGROUND: In ST-elevation myocardial infarction (STEMI) patients with multivessel (MV) disease, after primary percutaneous coronary intervention (PCI), emerging evidence suggests that significant disease in non-infarct-related coronary arteries (IRAs) should be routinely stented. Whether this procedure should be guided by angiography alone or ischemia testing is unclear. METHODS: All STEMI patients treated with primary PCI between January 1, 2005, and December 31, 2012, at a tertiary cardiology center were reviewed retrospectively...
June 2018: Critical Pathways in Cardiology
https://www.readbyqxmd.com/read/29765072/notoginsenoside-r1-inhibits-vascular-smooth-muscle-cell-proliferation-migration-and-neointimal-hyperplasia-through-pi3k-akt-signaling
#4
Haihong Fang, Shilin Yang, Yingying Luo, Cheng Zhang, Yi Rao, Renjing Liu, Yulin Feng, Jun Yu
Restenosis caused by neointimal hyperplasia significantly decreases long-term efficacy of percutaneous transluminal angioplasty (PTA), stenting, and by-pass surgery for managing coronary and peripheral arterial diseases. A major cause of pathological neointima formation is abnormal vascular smooth muscle cell (VSMC) proliferation and migration. Notoginsenoside R1 (NGR1) is a novel saponin that is derived from Panax notoginseng and has reported cardioprotective, neuroprotective and anti-inflammatory effects...
May 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29764968/how-to-prevent-and-manage-radiation-induced-coronary-artery-disease
#5
REVIEW
Jason R Cuomo, Sean P Javaheri, Gyanendra K Sharma, Deepak Kapoor, Adam E Berman, Neal L Weintraub
Radiation-induced coronary heart disease (RICHD) is the second most common cause of morbidity and mortality in patients treated with radiotherapy for breast cancer, Hodgkin's lymphoma and other prevalent mediastinal malignancies. The risk of RICHD increases with radiation dose. Exposed patients may present decades after treatment with manifestations ranging from asymptomatic myocardial perfusion defects to ostial, triple-vessel disease and sudden cardiac death. RICHD is insidious, with a long latency and a tendency to remain silent late into the disease course...
May 15, 2018: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29764707/mid-term-outcomes-from-a-multicenter-study-is-tevar-safe-for-ascending-aortic-dissection
#6
Qingsheng Lu, Lei Liu, Guangqi Chang, Xueming Chen, Hai Feng, Xuemin Zhang, Weiguo Fu, Zhihui Dong, Zaiping Jing
OBJECTIVES: This study aims to report mid-term follow-up outcomes of a series of TAAD patients treated with TEVAR in China. BACKGROUND: Thoracic endovascular aortic repair (TEVAR) has been used to treat type A aortic dissection (TAAD) for years. However, by comparing public reports, their outcomes which were based on different sample sizes show inconsistency. METHODS: Between January 2001 and December 2015, there were 56 patients with TAAD received TEVAR identified in 5 medical centers...
May 2, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29762235/quality-and-safety-in-health-care-part-xl-stents-and-unusual-indications-for-a-pci
#7
Jay A Harolds
Percutaneous coronary interventions (PCI) are done for a variety of indications. Data from the CathPCI Registry is highly useful to evaluate the outcomes from performing a PCI procedure in unusual circumstances, such as in cases of chronic total coronary artery occlusion, cardiogenic shock after a myocardial infarction, syncopal patients, asymptomatic patients, and before surgery that is noncardiac. Registry information is also valuable in evaluating the efficacy of coronary stents. This article summarizes some of the information available on these subjects...
May 14, 2018: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29761271/multiple-coronary-stenting-negatively-affects-myocardial-recovery-after-coronary-bypass-grafting
#8
Shin Yajima, Daisuke Yoshioka, Satsuki Fukushima, Koichi Toda, Shigeru Miyagawa, Yasushi Yoshikawa, Hiroki Hata, Shunsuke Saito, Keitaro Domae, Yoshiki Sawa
OBJECTIVES: We aimed to elucidate the relationship between the magnitude of myocardial recovery after coronary artery bypass grafting (CABG) and the prognosis and to explore the predictors of myocardial non-recovery. METHODS: Eighty-one patients with a preoperative left ventricular ejection fraction (LVEF) ≤ 40% who underwent isolated CABG between 2002 and 2015 and had undergone echocardiographic follow-up (median follow-up, 3.1 years; interquartile range 1...
May 14, 2018: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29761112/takotsubo-cardiomyopathy-mimicking-stent-thrombosis-after-percutaneous-coronary-intervention
#9
Furqan Khattak, Muhammad Khalid, Ghulam Murtaza, Timir K Paul
Takotsubo cardiomyopathy, also known as "broken heart syndrome," is a transient left ventricular dysfunction associated with stress (usually emotional) induced myocardial injury and stunning. It often presents as myocardial infarction on surface electrocardiogram (EKG). Diagnosis is made by coronary angiography, which rules out coronary artery disease and shows pathognomonic apical ballooning. In this article, we present a case of a 72-year-old woman who initially presented with an ST segment elevation myocardial infarction on EKG...
January 2018: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/29760284/unprotected-left-main-coronary-artery-disease-outcomes-of-treatment-with-second-generation-drug-eluting-stents-insight-from-the-fails-2-study
#10
Umberto Barbero, Rahim Kanji, Enrico Cerrato, Roberto Di Summa, Federico Conrotto, Hiroyoshi Kawamoto, Giuseppe Biondi-Zoccai, Sebastiano Gili, Fabrizio Ugo, Mario Iannaccone, Marco Gagliardi, Michele De Benedictis, Baldassarre Doronzo, Ferdinando Varbella, Maurizio D'Amico, Claudio Moretti, Antonio Colombo, Javier Escaned, Fabrizio D'Ascenzo
OBJECTIVE: To evaluate the outcome of patients undergoing PCI for unprotected left main coronary artery (ULMCA) disease with different drug-eluting stent (DES) types. BACKGROUND: Published literature suggests that second-generation DES options have differing vascular responses and outcomes, but there is a paucity of data in real-life patients in the LM setting. METHODS: This is a retrospective, multicenter study, including patients treated with a second-generation DES for ULMCA disease between 2007 and 2015...
May 15, 2018: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/29755633/coronary-artery-thromboses-stent-thrombosis-and-antiphospholipid-antibody-syndrome-case-report
#11
Augusto Ferreira Correia, Dinaldo Cavalcanti Oliveira, Marcio Sanctos
The antiphospholipid antibody syndrome (APS) is defined by a state of hypercoagulability secondary to an autoimmune disorder. There are evidences that approximately 2.8-5.5% of cases of acute myocardial infarction (AMI) in young individuals are secondary to APS. In this case report, three coronary artery thromboses occurring within a short period are described. Initially, there was an ST-segment elevation (STEMI) in the presence of coronary artery disease (CAD), with the vessel being treated with stent implantation...
April 2018: Cardiology Research
https://www.readbyqxmd.com/read/29755631/anomalous-coronary-artery-from-the-opposite-sinus-acaos-technical-challenges-during-percutaneous-coronary-intervention
#12
Santosh Kumar Sinha, Mahmodula Razi, Anupam Mahrotra, Puneet Aggarwal, Anupam Singh, Lokendra Rekwal, Sunil Tripathi, Nishant Kumar Abhishekh, Vinay Krishna
Anomalies of the coronary arteries are reported in 1-2% of patients among diagnostic angiogram. Ectopic origin of right coronary artery (RCA) from opposite sinus is one of the most common and they are mainly benign, but at times may be malignant. We report a case of a 69-year-old male who underwent early invasive percutaneous coronary intervention for non-ST-segment elevation myocardial infarction (NSTEMI) where RCA arising from left sinus at the root of left main artery was culprit and various technical challenges were encountered while intervening in form of cannulation to tracking of hardwares...
April 2018: Cardiology Research
https://www.readbyqxmd.com/read/29754669/comparison-of-fractional-flow-reserve-and-intravascular-ultrasound-guided-intervention-strategy-for-clinical-outcomes-in-patients-with-intermediate-stenosis-flavour-rationale-and-design-of-a-randomized-clinical-trial
#13
Jeehoon Kang, Bon-Kwon Koo, Xinyang Hu, Joo Myung Lee, Joo-Yong Hahn, Hyoung-Mo Yang, Eun-Seok Shin, Chang-Wook Nam, Joon-Hyung Doh, Bong-Ki Lee, Chul Ahn, JianAn Wang, Seung-Jae Tahk
BACKGROUND: Coronary angiography has limitations in defining the ischemia-causing stenotic lesion, especially in cases with intermediate coronary stenosis. Fractional flow reserve (FFR) is a current standard method to define the presence of ischemia, and intravascular ultrasound (IVUS) is the most commonly used invasive imaging tool that can provide the lesion geometry and can provide the information on plaque vulnerability. The primary aim of this study is to compare the safety and efficacy of FFR-guided and IVUS-guided percutaneous coronary intervention (PCI) strategies in patients with intermediate coronary stenosis...
May 2018: American Heart Journal
https://www.readbyqxmd.com/read/29750254/clinical-significance-of-atrial-kick
#14
Vinod Namana, Sushilkumar Satish Gupta, Nitin Sabharwal, Gerald Hollander
A 68-year-old man with a history of diabetes mellitus type II, hypertension and active smoking was transferred to our hospital from a nearby hospital for coronary artery bypass graft (CABG) surgery after suffering a complicated inferior wall myocardial infarction (IWMI). Post the initial angioplasty, the patient developed in-stent thrombosis and became hypotensive with a systolic blood pressure < 90 mmHg. After hemodynamic stability was achieved he was transferred to our hospital. During his stay, the cardiac monitor showed fluctuations in his blood pressure with a drop in systolic blood pressure by 10 to 15 mmHg and diastolic blood pressure by 10 mmHg when he developed atrioventricular (AV) dissociation during an idioventricular rhythm...
May 10, 2018: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/29749130/effects-of-coronary-artery-revascularization-with-a-polymer-free-biolimus-a9-coated-biofreedom-stent-versus-bypass-surgery-before-noncardiac-surgery
#15
Kyu Kim, Choongki Kim, Byeong Keuk Kim, Ji Yong Jang, Ae Young Her, Seunghwan Kim, Sung Jin Hong, Chul Min Ahn, Jung Sun Kim, Young Guk Ko, Donghoon Choi, Myeong Ki Hong, Yangsoo Jang
PURPOSE: The present study aimed to evaluate the efficacy and safety of polymer-free drug-coated BioFreedom stent implantation in comparison to coronary artery bypass graft (CABG) before major noncardiac surgery. MATERIALS AND METHODS: In a multicenter registry, 55 patients required revascularization before major noncardiac surgery that should not be delayed >6 months. Of them, 27 underwent BioFreedom stent implantation and 28 underwent CABG. Primary outcomes included rate of noncardiac surgery, time from revascularization to noncardiac surgery, and occurrence of composite outcomes (all-cause death, myocardial infarction, stent thrombosis, stroke, repeat revascularization, or major bleeding)...
June 2018: Yonsei Medical Journal
https://www.readbyqxmd.com/read/29748151/patient-specific-3d-printing-simulation-to-guide-complex-coronary-intervention
#16
Manuel Oliveira-Santos, Eduardo Oliveira Santos, Ana Vera Marinho, Luís Leite, Jorge Guardado, Vítor Matos, Guilherme Mariano Pego, João Silva Marques
The field of three-dimensional printing applied to patient-specific simulation is evolving as a tool to enhance intervention results. We report the first case of a fully simulated percutaneous coronary intervention in a three-dimensional patient-specific model to guide treatment. An 85-year-old female presented with symptomatic in-stent restenosis in the ostial circumflex and was scheduled for percutaneous coronary intervention. Considering the complexity of the anatomy, patient setting and intervention technique, we elected to replicate the coronary anatomy using a three-dimensional model...
May 7, 2018: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/29747917/elective-coronary-revascularization-procedures-in-patients-with-stable-coronary-artery-disease-incidence-determinants-and-outcome-from-the-coronor-study
#17
Martial Hamon, Gilles Lemesle, Thibaud Meurice, Olivier Tricot, Nicolas Lamblin, Christophe Bauters
OBJECTIVES: The authors sought to describe the incidence, determinants, and outcome of elective coronary revascularization (ECR) in patients with stable coronary artery disease (CAD). BACKGROUND: Observational data are lacking regarding the practice of ECR in patients with stable CAD receiving modern secondary prevention. METHODS: The authors analyzed coronary revascularization procedures performed during a 5-year follow-up in 4,094 stable CAD outpatients included in the prospective multicenter CORONOR (Suivi d'une cohorte de patients COROnariens stables en région NORd-Pas-de-Calais) registry...
May 14, 2018: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29747323/-efficacy-of-bare-metal-stent-for-treating-focal-coronary-artery-aneurysm-complicating-with-severe-stenosis-in-single-coronary-artery
#18
S B Qiao, J Li, J G Cui, J S Yuan, S W Liu, J Zhao, F H Hu, W X Yang, H B Liu, Z W Sun, R L Gao
Objective: To investigate the efficacy of bare metal stent for treating focal coronary artery aneurysm complicating with severe stenosisin single coronary artery. Methods: This retrospective analysis was performed in 7 patients who were diagnosed as local coronary artery aneurysm complicating with severe stenosis(≥70%) in single coronary artery and treated with bare metal stent during the period from December 2012 to June 2015 in Fuwai Hospital. All 7 patients were male with age of (62±11) years old. During the interventional operation, the narrow parts were pre-expanded,and all patients received bare metal stents implantation to cover aneurysms...
April 24, 2018: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29746261/optical-coherence-tomography-guided-percutaneous-coronary-stenting-for-right-coronary-artery-malperfusion-due-to-acute-type-a-aortic-dissection
#19
Yusaku Shibata, Nobuaki Kobayashi, Noritake Hata, Wataru Shimizu
No abstract text is available yet for this article.
May 8, 2018: Coronary Artery Disease
https://www.readbyqxmd.com/read/29744657/transcatheter-intervention-of-coronary-obstructions-in-infants-children-and-young-adults
#20
Ryan Callahan, James E Lock, Pinak B Shah, Audrey C Marshall
This study assesses the characteristics of coronary obstructions that underwent transcatheter intervention in a pediatric catheterization laboratory, the procedural details, and patient outcomes. Acute cardiac failure due to coronary obstructions in children is rare. The role of catheter based intervention is largely unreported. Single center retrospective review between January 2000 and December 2016. Thirty-three patients (median age 2y/o [0-38], weighing 9.6 kg [2.2-91]) underwent 39 transcatheter interventions on 39 lesions, mainly left main coronary (16/39; 39%) and right coronary (9/39; 23%) arteries...
May 9, 2018: Pediatric Cardiology
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