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https://www.readbyqxmd.com/read/28109054/intracoronary-optical-coherence-tomography-clinical-and-research-applications-and-intravascular-imaging-software-overview
#1
Erhan Tenekecioglu, Felipe N Albuquerque, Yohei Sotomi, Yaping Zeng, Pannipa Suwannasom, Hiroki Tateishi, Rafael Cavalcante, Yuki Ishibashi, Shimpei Nakatani, Mohammad Abdelghani, Jouke Dijkstra, Christos Bourantas, Carlos Collet, Antonios Karanasos, Maria Radu, Ancong Wang, Takashi Muramatsu, Ulf Landmesser, Takayuki Okamura, Evelyn Regar, Lorenz Räber, Giulio Guagliumi, Robert T Pyo, Yoshinobu Onuma, Patrick W Serruys
By providing valuable information about the coronary artery wall and lumen, intravascular imaging may aid in optimizing interventional procedure results and thereby could improve clinical outcomes following percutaneous coronary intervention (PCI). Intravascular optical coherence tomography (OCT) is a light-based technology with a tissue penetration of approximately 1 to 3 mm and provides near histological resolution. It has emerged as a technological breakthrough in intravascular imaging with multiple clinical and research applications...
January 21, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28109036/a-propensity-score-matched-comparative-study-between-paclitaxel-coated-balloon-and-everolimus-eluting-stents-for-the-treatment-of-small-coronary-vessels
#2
Francesco Giannini, Azeem Latib, Marco B Ancona, Charis Costopoulos, Neil Ruparelia, Alberto Menozzi, Fausto Castriota, Antonio Micari, Alberto Cremonesi, Francesco De Felice, Alfredo Marchese, Maurizio Tespili, Patrizia Presbitero, Gregory A Sgueglia, Francesca Buffoli, Corrado Tamburino, Ferdinando Varbella, Antonio Colombo
OBJECTIVES: To compare the long-term clinical outcomes of paclitaxel drug-coated-balloons (DCB) and everolimus-eluting-stents (EES) following the treatment of de novo small vessel coronary artery disease. BACKGROUND: It is currently unclear whether treatment of de novo small vessel coronary disease with DCB is comparable to second generation drug-eluting stents, which are the current standard of care. METHODS: The present study enrolled 90 patients with small vessel coronary disease from the DCB treatment arm of the BELLO (Balloon Elution and Late Loss Optimization) trial and 2,000 patients treated with EES at the San Raffaele Scientific Institute...
January 21, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28107455/staged-versus-one-time-complete-revascularization-with-percutaneous-coronary-intervention-in-stemi-patients-with-multivessel-disease-a-systematic-review-and-meta-analysis
#3
Zhenwei Li, Yijiang Zhou, Qingqing Xu, Xiaomin Chen
INTRODUCTION: In patients with acute ST-elevation myocardial infarction (STEMI), the preferred intervention is percutaneous coronary intervention (PCI).Whether staged PCI (S-PCI) or one-time complete PCI (MV-PCI) is more beneficial and safer in terms of treating the non-culprit vessel during the primary PCI procedure is unclear. We performed a meta-analysis of all randomized and non-randomized controlled trials comparing S-PCI with MV-PCI in patients with acute STEMI and MVD. METHODS: Studies of STEMI with multivessel disease receiving primary PCI were searched in PUBMED, EMBASE and The Cochrane Register of Controlled Trials from January 2004 to December 2014...
2017: PloS One
https://www.readbyqxmd.com/read/28105600/approach-to-cto-intervention-overview-of-techniques
#4
REVIEW
Aris Karatasakis, Barbara Anna Danek, Dimitri Karmpaliotis, Khaldoon Alaswad, Minh Vo, Mauro Carlino, Mitul P Patel, Stéphane Rinfret, Emmanouil S Brilakis
Successful percutaneous coronary intervention (PCI) of chronic total occlusions (CTOs) has been associated with significant clinical benefits, but remains technically demanding. Failure to cross the CTO with a guidewire is the most common cause of CTO PCI failure. CTO crossing can be achieved in the antegrade or retrograde direction and can be accomplished by maintaining true lumen position throughout or via subintimal dissection/reentry techniques. A procedural plan should be created prior to the procedure through careful angiographic review of four key parameters: (a) morphology of the proximal occlusion cap; (b) length of the occlusion; (c) quality of the distal vessel and presence of bifurcation at the distal cap; and (d) suitability of collateral circulation for retrograde crossing...
January 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28105141/conservative-pharmacotherapy-vs-staged-percutaneous-coronary-intervention-for-non-culprit-vessels-in-patients-with-st-segment-elevation-myocardial-infarction
#5
Bo Zhao, Jianjun Peng, Lihui Ren, Licheng Lei, Zuoyan Wang, Huiming Ye
The present study aimed to compare the effect of conservative pharmacotherapy (CP) and staged percutaneous coronary intervention (SPCI) on significant non-culprit vessels in patients with ST-segment elevation myocardial infarction (STEMI). A total of 266 male and 40 female patients were divided into two groups following their first successful PCI treatment: i) Patients in the complete revascularization (CR) group undergoing SPCI; and ii) patients in the CP group undergoing CP. Follow-up data were collected at 180 or 360 days after surgery to compare the rates of major adverse cardiovascular events (MACE), recurrent myocardial infarction, recurrent angina pectoris and MACE-free survival rates between the two groups...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28104210/9-month-clinical-and-angiographic-outcomes-of-the-cobra-polyzene-f-nanocoated-coronary-stent-system
#6
Donald E Cutlip, Kirk N Garratt, Victor Novack, Mark Barakat, Perwaiz Meraj, Luc Maillard, Andrejs Erglis, Rajiv Jauhar, Jeffrey J Popma, Robert Stoler, Sigmund Silber
OBJECTIVES: The aim of this study was to assess the safety and effectiveness of the COBRA Polyzene-F NanoCoated Coronary Stent System (CeloNova Biosciences, San Antonio, Texas) for the treatment of de novo coronary artery lesions. BACKGROUND: Polyzene-F-coated coronary stents have shown reduced thrombogenicity and inflammation in preclinical studies. METHODS: Patients with de novo coronary artery lesions meeting eligibility criteria were enrolled in a nonrandomized, prospective clinical trial...
January 23, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28104044/procedural-variations-in-performing-primary-percutaneous-coronary-intervention-in-patients-with-st-elevation-myocardial-infarction
#7
Radhika M Mehta, Manyoo Agarwal, Ikechukwu Ifedili, Wael W Rizk, Rami N Khouzam
Multiple variations exist in performing a primary percutaneous coronary intervention (pPCI) in ST-segment elevation myocardial infarction (STEMI) among various cardiologists. These variations range from the choice of peripheral access artery (radial vs femoral), performance or time of complete angiography including left ventriculography, and nonculprit vessel angiography before or after intervening on the culprit vessel. The reasons for such variations include emphasis on door-to-balloon time, knowledge of cardiac anatomy before proceeding with pPCI, physician expertise, and the level of comfort with radial approach...
February 2017: Current Problems in Cardiology
https://www.readbyqxmd.com/read/28100576/perioperative-management-of-a-large-late-presenting-phaeochromocytoma
#8
Duncan Macrosson, Andrew Love
A 77-year-old man presenting to the emergency department with an acute coronary syndrome was later found to have a phaeochromocytoma. The lateness of this presentation was likely due to the protective α blocking effects of long-term terazosin therapy for his prostatism. α blockers such as terazosin are a well-recognised medical therapy in the perioperative optimisation of phaeochromocytoma because they treat the adrenergic effects of catecholamine release from the tumour such as hypertension. This patient was diagnosed with an ST elevation myocardial infarction (STEMI)...
January 18, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28099589/which-coronary-lesions-are-more-prone-to-cause-acute-myocardial-infarction
#9
Taner Sen, Mehmet Ali Astarcioglu, Osman Beton, Lale Dinc Asarcikli, Celal Kilit
Background: According to common belief, most myocardial infarctions (MIs) are due to the rupture of nonsevere, vulnerable plaques with < 70% obstruction. Data from recent trials challenge this belief, suggesting that the risk of coronary occlusion is, in fact, much higher after severe stenosis. The aim of this study was to investigate whether or not acute ST-elevation MIs result from high-grade stenoses by evaluating the presence of coronary collateral circulation (CCC). Methods: We retrospectively included 207 consecutive patients who had undergone primary percutaneous coronary intervention for acute ST-elevation MI...
January 16, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28099403/outcome-of-liver-transplant-recipients-with-revascularized-coronary-artery-disease-a-comparative-analysis-with-and-without-cardiovascular-risk-factors
#10
Sanjaya K Satapathy, Jason M Vanatta, Ryan Helmick, Albert Flowers, Satish K Kedia, Yu Jiang, Bilal Ali, James Eason, Satheesh P Nair, Uzoma N Ibebuogu
BACKGROUND: Coronary artery disease (CAD) is a significant problem during evaluation for liver transplantation (LT). We aim to assess survival in LT recipients based on presence, severity, extent of CAD and cardiac events within 90 days of LT. METHODS: 87 LT recipients with history of pre-LT angiogram (12/2005-12/2012) were compared with 2 control groups without prior angiogram, 72 LT recipients matched for cardiovascular risk factors (Control Gr I), and 119 consecutive LT recipients without any CV risk factors (Control Gr II)...
January 17, 2017: Transplantation
https://www.readbyqxmd.com/read/28099289/orthogonal-views-of-coronary-vessels-a-method-for-imaging-the-delivery-of-blood-cardioplegia-using-transesophageal-echocardiography
#11
Luiz F Maracaja Neto, Raj Modak, Robert B Schonberger
Coronary blood flow can be disrupted during cardiac interventions such as mitral valve surgeries, left atrial appendage ligation, transcatheter aortic valve implantation, and aortic procedures involving reimplantation of coronary buttons. Although difficult to accomplish, coronary imaging using transesophageal echocardiography can be performed by the use of orthogonal imaging with the ability for real-time tilt for angle adjustment. The technique described herein allows imaging of the right coronary artery, left main coronary artery bifurcation, left anterior descending, and circumflex coronary arteries...
January 17, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28096836/coronary-artery-spasm-following-on-pump-coronary-artery-bypass-grafting-with-20-months-follow-up
#12
Adam R Kowalówka, Marcin Malinowski, Magdalena Onyszczuk, Marek Deja
We report on a 69-year-old woman who demonstrated native coronary artery and grafted vessel spasm following on-pump coronary artery bypass grafting (CABG). Despite intraaortic balloon pump (IABP) insertion, electrocardiogram (ECG) abnormalities did not disappear. Emergency coronary angiography (CAG) was performed. The patient was successfully treated with systemic and intracoronary injection of vasodilator agents. ECG changes disappeared, with normalized and stable hemodynamic function. Intraaortic balloon pump was maintained for 48 h...
December 2016: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/28095950/ct-coronary-angiography-vs-coronary-artery-calcium-scoring-for-the-occupational-assessment-of-military-aircrew
#13
Iain Parsons, Chris Pavitt, Rebecca Chamley, Jo d'Arcy, Ed Nicol
INTRODUCTION: To ensure flight safety military aircrew undergo regular clinical and occupational assessment. Coronary artery calcium scoring (CACS) has been established as an imaging modality to noninvasively assess coronary artery disease (CAD). CT coronary angiography (CTCA) potentially offers a more accurate assessment of CAD, but has not been formally assessed in military aircrew. This retrospective cohort study is designed to compare the theoretical differences in downstream investigations and occupational outcomes in aircrew with suspected CAD comparing CTCA with existing CACS pathways...
February 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28095482/an-increase-in-mean-platelet-volume-platelet-count-ratio-is-associated-with-vascular-access-failure-in-hemodialysis-patients
#14
Dong Ho Shin, So Yon Rhee, Hee Jung Jeon, Ji-Young Park, Shin-Wook Kang, Jieun Oh
After stenosis of arteriovenous vascular access in hemodialysis patients, platelets play a crucial role in subsequent thrombus formation, leading to access failure. In a previous study, the mean platelet volume (MPV)/platelet count ratio, but not MPV alone, was shown to be an independent predictor of 4-year mortality after myocardial infarction. However, little is known about the potential influence of MPV/platelet count ratio on vascular access patency in hemodialysis patients. A total of 143 patients undergoing routine hemodialysis were recruited between January 2013 and February 2016...
2017: PloS One
https://www.readbyqxmd.com/read/28095453/bivalirudin-versus-heparin-plus-glycoprotein-iib-iiia-inhibitors-in-women-undergoing-percutaneous-coronary-intervention-a-meta-analysis-of-randomized-controlled-trials
#15
Haiyan Xu, Bingjian Wang, Jing Yang, Shuren Ma, Xiongwei Xie
Bivalirudin has been shown to be safe and efficacious compared with heparin plus glycoprotein IIb/IIIa inhibitor (GPI) in patients undergoing percutaneous coronary intervention (PCI). Whether bivalirudin would have the beneficial effects in female patients undergoing PCI remains unknown. We searched the literature for randomized controlled trials that assessed bivalirudin versus heparin plus GPI therapy in female patients undergoing PCI. The primary efficacy end point was major adverse cardiovascular events (MACE) within 30 days...
2017: PloS One
https://www.readbyqxmd.com/read/28092654/promoter-polymorphism-of-toll-like-receptor-4-is-associated-with-a-decreased-risk-of-coronary-artery-disease-a-case-control-study-in-the-chinese-han-population
#16
Dandan Sun, Liping Sun, Qian Xu, Honghu Wang, Jun Yang, Yuan Yuan
BACKGROUND Coronary artery disease (CAD) is considered a chronic inflammatory disease of the blood vessels. Toll-like receptor 4 (TLR4) is a transmembrane receptor involved in inflammatory reactions. The aim of this study was to determine the association between polymorphisms in the promoter region and 3'-untranslated region (3'-UTR) of TLR4, and the associated CAD risk. MATERIAL AND METHODS This study enrolled 424 participants with CAD and 424 controls without CAD. The polymorphisms in the promoter region and 3'-UTR of TLR4 were identified from the HapMap database, including rs10116253, rs10983755, and rs11536889...
January 16, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28092507/real-time-intravascular-ultrasound-and-photoacoustic-imaging
#17
Donald VanderLaan, Andrei B Karpiouk, Doug Yeager, Stanislav Emelianov
Combined intravascular ultrasound and intravascular photoacoustic (IVUS/IVPA) imaging is an emerging hybrid modality being explored as a means of improving the characterization of atherosclerotic plaque anatomical and compositional features. While initial demonstrations of the technique have been encouraging, they have been limited by catheter rotation and data acquisition, displaying, and processing rates on the order of several seconds per frame as well as the use of off-line image processing. Herein, we present a complete IVUS/IVPA imaging system and method capable of real-time IVUS/IVPA imaging, with online data acquisition, image processing, and display of both IVUS and IVPA images...
January 2017: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/28092254/-what-do-adults-die-in-mexico-impact-on-the-economic-and-social-development-of-the-nation-the-global-burden-of-cardiovascular-disease
#18
Martín Rosas-Peralta, Efraín Arizmendi-Uribe, Gabriela Borrayo-Sánchez
Noncommunicable diseases have been established as a clear threat, not only to human health but also to the development and economic growth. Claiming 63% of all deaths, these diseases are currently the main murderer worldwide. The increase in the prevalence and importance of noncommunicable diseases specifically of cardiovascular risk factors such as hypertension, diabetes, dyslipidemia and obesity is the result of a complex interplay between health, economic growth and development, which is strongly associated with universal trends such as the aging of the world population, rapid unplanned urbanization, and the globalization of unhealthy lifestyles...
January 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28090817/coronary-or-ventricular-rupture-after-blunt-chest-trauma-a-clinical-dilemma
#19
Anton Sabashnikov, Guido Michels, Javid Fatullayev, Kaveh Eghbalzadeh, Mohamed Zeriouh, Stephan Baldus, Jens Wippermann, Thorsten Wahlers, Navid Madershahian
Cardiac rupture (CR) is one of the most serious and life-threatening complications of blunt chest trauma (BCT) usually associated with high mortality. Moreover, its diagnosis and treatment strategies may be extremely challenging for clinicians due to various anatomical localisations of the tear. Whereas most injuries fall under the category of right atrial ruptures, left ventricular lesions represent a rare type of this injury, with greater mortality, particularly in cases of multi-chamber injuries. However, not only cardiac chamber or great vessel ruptures may occur as a result of BCT; a growing number of reports also describe BCT-induced isolated coronary artery injuries, including ruptures...
January 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28089999/impact-of-impaired-renal-function-in-patients-with-severely-calcified-coronary-lesions-treated-with-orbital-atherectomy
#20
Michael S Lee, Evan Shlofmitz, Gentian Lluri, Richard A Shlofmitz
OBJECTIVES: We evaluated the clinical outcomes of patients with chronic kidney disease (CKD) who underwent orbital atherectomy for severe coronary artery calcification (CAC) prior to stent implantation. BACKGROUND: Percutaneous coronary intervention (PCI) of lesions with severe CAC is associated with increased rates of adverse clinical events. Patients with CKD are at increased risk for atherosclerotic cardiovascular disease, including vascular calcification, and have worse outcomes after PCI...
January 15, 2017: Journal of Invasive Cardiology
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