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https://www.readbyqxmd.com/read/27935738/the-coronary-sinus-reducer-clinical-evidence-and-technical-aspects
#1
Francesco Giannini, Andrea Aurelio, Richard J Jabbour, Luca Ferri, Antonio Colombo, Azeem Latib
Chronic refractory angina is often a disabling condition, predominantly due to severe obstructive coronary artery disease, that is inadequately controlled by optimal medical therapy and not amenable to further percutaneous or surgical revascularization. Mortality rates associated with this condition are relatively low in clinically stable patients. However, it is associated with a high hospitalization rate and a reduction in both exercise capacity and quality of life. Due to the paucity of available treatment options, there is an unmet need for new therapies for these patients and for a reduction in the associated economic healthcare burden...
December 9, 2016: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/27932571/esmolol-before-cardioplegia-and-as-cardioplegia-adjuvant-reduces-cardiac-troponin-release-after-cardiac-surgery-a-randomized-trial
#2
Elena Bignami, Marcello Guarnieri, Annalisa Franco, Chiara Gerli, Monica De Luca, Fabrizio Monaco, Giovanni Landoni, Alberto Zangrillo
BACKGROUND: Cardioplegic solutions are the standard in myocardial protection during cardiac surgery, since they interrupt the electro-mechanical activity of the heart and protect it from ischemia during aortic cross-clamping. Nevertheless, myocardial damage has a strong clinical impact. We tested the hypothesis that the short-acting beta-blocker esmolol, given immediately before cardiopulmonary bypass and as a cardioplegia additive, would provide an extra protection to myocardial tissue during cardiopulmonary bypass by virtually reducing myocardial activity and, therefore, oxygen consumption to zero...
December 8, 2016: Perfusion
https://www.readbyqxmd.com/read/27930539/anomalous-right-coronary-artery-in-a-middle-aged-patient-a-case-report-and-review-of-the-literature
#3
Liesbeth Rosseel, Hans Bonnier, Jeroen Sonck
BACKGROUND: An anomalous right coronary artery originating from the left sinus of Valsalva is a rare, but often incidental, finding in middle-aged to elderly people. Prevalence is difficult to define, as well as determining potential harmful hemodynamic consequences. Moreover, the optimal treatment remains debatable. CASE SUMMARY: The authors present a case of a middle-aged patient diagnosed with an anomalous right coronary artery causing ischemia, who was treated surgically...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27928811/laparoscopic-versus-open-partial-nephrectomy-for-stage-t1a-of-renal-tumors
#4
Gholam Hossein Rezaeetalab, Hormoz Karami, Farid Dadkhah, Nasser Simforoosh, Nasser Shakhssalim
PURPOSE: Partial nephrectomy is the gold standard treatment for small kidney masses. Data on the comparison oflaparoscopic (LPN) versus open partial nephrectomy (OPN) are based on retrospective studies. Thus, we plannedto compare these two techniques in a prospective trial. MATERIALS AND METHODS: The study population consisted of patients over 18 years old with single renal mass of≤ 4 cm. Patients were divided into two groups considering their preference. Study arms were matched accordingto age, gender, tumor size and location and renal nephrometry score...
December 8, 2016: Urology Journal
https://www.readbyqxmd.com/read/27925308/impact-of-calcified-target-lesions-on-the-outcome-of-percutaneous-coronary-intervention-for-acute-coronary-syndrome-insights-from-the-base-acs-trial
#5
Pasi P Karjalainen, Wail Nammas, Kari Kervinen, Adam de Belder, Fernando Rivero-Crespo, Antti Ylitalo, Juhani K E Airaksinen
OBJECTIVES: We performed a post hoc analysis of outcome in patients with, versus those without, calcified target lesions from the BASE ACS trial. BACKGROUND: The outcome of contemporary stent implantation in patients with calcified lesions presenting with acute coronary syndrome is unknown. METHODS: The BASE ACS trial randomized 827 patients (1:1) presenting with acute coronary syndrome to receive either titanium-nitride-oxide-coated stents or everolimus-eluting stents...
December 7, 2016: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/27925238/danshen-enhanced-cardioprotective-effect-of-cardioplegia-on-ischemia-reperfusion-injury-in-a-human-induced-pluripotent-stem-cell-derived-cardiomyocytes-model
#6
Wei Wei, Yiwei Liu, Qiang Zhang, Yangming Wang, Xiaoling Zhang, Hao Zhang
Myocardial ischemia-reperfusion (I/R) injury is unavoidable during cardioplegic arrest and open-heart surgery. Danshen is one of the most popular traditional herbal medicines in China, which has entered the Food and Drug Administration-approved phase III clinical trial. This study was aimed to develop a human-induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) model to mimic I/R injury and evaluate the cardioprotective effect of regular cardioplegic solution with Danshen. hiPSC-CMs were cultured with the crystalloid cardioplegic solution (Thomas group) and Thomas solution with 2 or 10 µg/mL Danshen (Thomas plus Danshen groups)...
December 7, 2016: Artificial Organs
https://www.readbyqxmd.com/read/27924419/beneficial-effect-of-low-level-laser-therapy-in-acute-lung-injury-after-i-i-r-is-dependent-on-the-secretion-of-il-10-and-independent-of-the-tlr-myd88-signaling
#7
J L Carvalho, A Britto, A P Ligeiro de Oliveira, H Castro-Faria-Neto, R Albertini, E Anatriello, F Aimbire
The use of low-level laser for lung inflammation treatment has been evidenced in animal studies as well as clinical trials. The laser action mechanism seems to involve downregulation of neutrophil chemoattractants and transcription factors. Innate immune responses against microorganisms may be mediated by toll-like receptors (TLR). Intestinal ischemia and reperfusion (i-I/R) lead to bacterial product translocation, such as endotoxin, which consequently activates TLRs leading to intestinal and lung inflammation after gut trauma...
December 6, 2016: Lasers in Medical Science
https://www.readbyqxmd.com/read/27922691/microarray-expression-profiles-of-genes-in-lung-tissues-of-rats-subjected-to-focal-cerebral-ischemia-induced-lung-injury-following-bone-marrow-derived-mesenchymal-stem-cell-transplantation
#8
Yue Hu, Liu-Lin Xiong, Piao Zhang, Ting-Hua Wang
Ischemia-induced stroke is the most common disease of the nervous system and is associated with a high mortality rate worldwide. Cerebral ischemia may lead to remote organ dysfunction, particular in the lungs, resulting in lung injury. Nowadays, bone marrow-derived mesenchymal stem cells (BMSCs) are widely studied in clinical trials as they may provide an effective solution to the treatment of neurological and cardiac diseases; however, the underlying molecular mechanisms remain unknown. In this study, a model of permanent focal cerebral ischemia-induced lung injury was successfully established and confirmed by neurological evaluation and lung injury scores...
December 6, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27914820/cell-therapy-in-critical-limb-ischemia-a-comprehensive-analysis-of-two-cell-therapy-products
#9
Claire Tournois, Bernard Pignon, Marie-Antoinette Sevestre, Rida Al-Rifai, Valerie Creuza, Gaël Poitevin, Caroline François, Philippe Nguyen
BACKGROUND: Cell therapy has been proposed as a salvage limb procedure in critical limb ischemia (CLI). In spite of the fact that clinical trials found some efficacy, the mechanism of action remains elusive. The objective of this study was to characterize two autologous cell therapy products (CTPs) obtained from patients with advanced peripheral arterial disease. METHODS: Bone marrow (BM-CTPs) (n = 20) and CTPs obtained by non-mobilized cytapheresis (peripheral blood [PB]-CTPs) (n = 20) were compared...
November 30, 2016: Cytotherapy
https://www.readbyqxmd.com/read/27913120/gene-delivery-nanoparticles-to-modulate-angiogenesis
#10
REVIEW
Jayoung Kim, Adam C Mirando, Aleksander S Popel, Jordan J Green
Angiogenesis is naturally balanced by many pro- and anti-angiogenic factors while an imbalance of these factors leads to aberrant angiogenesis, which is closely associated with many diseases. Gene therapy has become a promising strategy for the treatment of such a disordered state through the introduction of exogenous nucleic acids that express or silence the target agents, thereby engineering neovascularization in both directions. Numerous non-viral gene delivery nanoparticles have been investigated towards this goal, but their clinical translation has been hampered by issues associated with safety, delivery efficiency, and therapeutic effect...
November 29, 2016: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/27904032/coronary-microvascular-dysfunction%C3%A3-epidemiology-pathogenesis-prognosis-diagnosis-risk-factors-and-therapy
#11
Cheng Chen, Janet Wei, Ahmed AlBadri, Parham Zarrini, C Noel Bairey Merz
Angina has traditionally been thought to be caused by obstructive coronary artery disease (CAD). However, a substantial number of patients with angina are found to not have obstructive CAD when undergoing coronary angiography. A significant proportion of these patients have coronary microvascular dysfunction (CMD), characterized by heightened sensitivity to vasoconstrictor stimuli and limited microvascular vasodilator capacity. With the advent of non-invasive and invasive techniques, the coronary microvasculature has been more extensively studied in the past 2 decades...
November 29, 2016: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/27903568/effects-of-trans-endocardial-delivery-of-bone-marrow-derived-cd133-cells-on-left-ventricle-perfusion-and-function-in-patients-with-refractory-angina-final-results-of-randomized-double-blinded-placebo-controlled-regent-vsel-trial
#12
Wojciech Wojakowski, Tomasz Jadczyk, Aleksandra Michalewska-Wludarczyk, Zofia Parma, Miroslaw Markiewicz, Wojciech Rychlik, Magdalena Kostkiewicz, Katarzyna Gruszczynska, Anna Blach, Monika Dzierzak-Mietla, Wojciech Wanha, Joanna Ciosek, Beata Ochala, Lukasz Rzeszutko, Wieslaw Cybulski, Lukasz Partyka, Wojciech Zasada, Witold Wludarczyk, Sebastian Dworowy, Waclaw B Kuczmik, Grzegorz Smolka, Tomasz Z Pawlowski, Andrzej Ochala, Michal Tendera
RATIONALE: New therapies for refractory angina are needed. OBJECTIVE: Assessment of trans-endocardial delivery of bone marrow (BM) CD133(+)cells in patients with refractory angina. METHODS AND RESULTS: Randomized, double-blinded, placebo-controlled trial enrolled 31 patients with recurrent CCS II-IV angina despite optimal medical therapy, ≥ one myocardial segment with inducible ischemia in Tc-99m SPECT who underwent BM biopsy and were allocated to cells (n=16) or placebo (n=15)...
November 30, 2016: Circulation Research
https://www.readbyqxmd.com/read/27903028/-cardiovascular-morbidity-and-mortality-in-patients-with-kidney-disease
#13
Ivo Quack, Ralf Westenfeld
Patients with kidney disease have a significantly increased cardiovascular morbidity and mortality. Especially diabetics have an increased risk to develop renal insufficiency and cardiovascular events. Two recent studies show that the SGLT2 inhibitor Empagliflozin and the GLP1 agonist Liraglutid are able to lower the cardiovascular risk of type2 diabetics with renal insufficiency. Recent observations suggest that bradycardia and asystole are main triggers for sudden cardiac death in patients with chronic kidney disease...
November 2016: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/27902833/evaluation-of-ischemic-and-bleeding-risks-associated-with-2-parenteral-antiplatelet-strategies-comparing-cangrelor-with-glycoprotein-iib-iiia-inhibitors-an-exploratory-analysis-from-the-champion-trials
#14
Muthiah Vaduganathan, Robert A Harrington, Gregg W Stone, Efthymios N Deliargyris, Ph Gabriel Steg, C Michael Gibson, Christian W Hamm, Matthew J Price, Alberto Menozzi, Jayne Prats, Steven Elkin, Kenneth W Mahaffey, Harvey D White, Deepak L Bhatt
Importance: In the context of contemporary pharmacotherapy, optimal antiplatelet management with percutaneous coronary intervention (PCI) has not been well established. Objective: To compare the ischemic and bleeding risks associated with glycoprotein IIb/IIIa inhibitors (GPIs) and a potent P2Y12 antagonist, cangrelor, in patients undergoing PCI. Design, Setting, and Participants: An exploratory analysis of pooled patient-level data from the 3 phase 3 Cangrelor vs Standard Therapy to Achieve Optimal Management of Platelet Inhibition (CHAMPION PCI, CHAMPION PLATFORM, and CHAMPION PHOENIX) trials of patients undergoing elective or nonelective PCI...
November 30, 2016: JAMA Cardiology
https://www.readbyqxmd.com/read/27901333/fractional-flow-reserve-lessons-from-platform-and-future-perspectives
#15
Gianluca Pontone, Patrizia Carità, Massimo Verdecchia, Dario Buccheri, Daniele Andreini, Andrea I Guaricci, Mark Rabbat, Mauro Pepi
In the treatment of stable coronary artery disease (CAD) the identification of patients who may gain the highest benefit from further invasive treatments is of pivotal importance for the healthcare system. In this setting, it has been established that an ischemia-guided revascularization strategy yields improved clinical outcomes in a cost- effective fashion compared with anatomy-guided revascularization alone. Invasive fractional flow reserve (FFR) is considered the gold standard, especially in the intermediate-range atherosclerotic lesions, for assessing lesion specific ischemia at the time of invasive coronary angiography and has now become the standard of reference for studies assessing the diagnostic performance of the various non-invasive stress tests...
November 30, 2016: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/27896226/use-of-the-directional-atherectomy-for-the-treatment-of-femoro-popliteal-lesions-in-patients-with-critical-lower-limb-ischemia
#16
Umberto Marcello Bracale, Gaetano Vitale, Guido Bajardi, Donatella Narese, Ettore Dinoto, Anna Maria Giribono, Doriana Ferrara, Luca Del Guercio, Massimo Midiri, Felice Pecoraro
: Femoro-popliteal PTA for the treatment of critical limb ischemia is frequently associated with unsatisfactory procedural success rates while directional atherectomy (DCA) has improved success rate since claudicant patients undergoing percutaneous treatment of femoro-popliteal obstructive disease. The aim of this prospective study is to evaluate the safety, efficacy and procedural success of DCA, at one year, in the percutaneous treatment of femoro-popliteal obstructive disease in patients with critical limb ischemia...
November 2016: Translational Medicine @ UniSa
https://www.readbyqxmd.com/read/27893526/effect-of-oxygen-therapy-on-myocardial-salvage-in-st-elevation-myocardial-infarction-the-randomized-soccer-trial
#17
Ardavan Khoshnood, Marcus Carlsson, Mahin Akbarzadeh, Pallonji Bhiladvala, Anders Roijer, David Nordlund, Peter Höglund, David Zughaft, Lizbet Todorova, Arash Mokhtari, Håkan Arheden, David Erlinge, Ulf Ekelund
OBJECTIVE: Recent studies suggest that administration of O2 in patients with acute myocardial infarction may have negative effects. With the use of cardiac MRI (CMR), we evaluated the effects of supplemental O2 in patients with ST elevation myocardial infarction (STEMI) accepted for acute percutaneous coronary intervention (PCI). MATERIALS AND METHODS: This study was a randomized-controlled trial conducted at two university hospitals in Sweden. Normoxic STEMI patients were randomized in the ambulance to either supplemental O2 (10 l/min) or room air until the conclusion of the PCI...
November 23, 2016: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
https://www.readbyqxmd.com/read/27888904/-anti-pcsk9-antibodies-in-type-2-diabetes-and-secondary-prevention-of-cardiovascular-diseases
#18
José López-Miranda, Xavier Pintó
Patients with type 2 diabetes are considered to have the same cardiovascular risk as patients with ischemia. However, the degree of lipid control in diabetic and ischemic patients remains highly deficient. The availability of new agents, such as anti-PCSK9 monoclonal antibodies, could represent a notable advance in meeting this unmet need. Alirocumab and evolucumab, followed by bococizumab, are currently under the advanced phase of research. A growing database has demonstrated a relationship between glucose metabolism, body weight and PCSK9 function, but the clinical implications of this relationship have not been well defined...
May 2016: Clínica e Investigación en Arteriosclerosis
https://www.readbyqxmd.com/read/27887689/usefulness-of-post-coronary-dilation-to-prevent-recurrent-myocardial-infarction-in-patients-treated-with-percutaneous-coronary-intervention-for-acute-coronary-syndrome-from-the-base-acs-trial
#19
Pasi P Karjalainen, Matti Niemelä, Mika Laine, Juhani K E Airaksinen, Antti Ylitalo, Wail Nammas
Stent underexpansion is associated with worse outcome after stent implantation. Whether post-dilation (PD) improves outcome in patients with acute coronary syndrome (ACS) remains unclear. We performed post hoc analysis of outcome in patients from the BASE ACS (A prospective randomized comparison of titanium-nitride-oxide-coated bioactive stents with everolimus-eluting stents in acute coronary syndrome) trial who underwent PD versus those who did not. The BASE ACS trial randomized 827 patients (1:1) with ACS to receive either titanium-nitride-oxide-coated bioactive stents or everolimus-eluting stents...
November 1, 2016: American Journal of Cardiology
https://www.readbyqxmd.com/read/27886531/coagulation-and-sepsis
#20
REVIEW
Marcel Levi, Tom van der Poll
Severe sepsis is almost invariably associated with systemic activation of coagulation. There is ample evidence that demonstrates a wide-ranging cross-talk between hemostasis and inflammation, which is probably implicated in the pathogenesis of organ dysfunction in patients with sepsis. Inflammation not only leads to initiation and propagation of coagulation activity, but coagulation also markedly influences inflammation. Molecular mechanisms that play a role in inflammation-induced effects on coagulation have been recognized in much detail...
November 19, 2016: Thrombosis Research
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