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coronary bypass

Jing Luo, An-Lu Wang, Hao Xu, Da-Zhuo Shi, Ke-Ji Chen
Stenosis of the coronary artery has been considered as an essential component of ischemic heart disease (IHD). Consequently, revascularization [e.g., percutaneous coronary intervention (PCI) and coronary artery bypass] has been the primary therapeutic approach to IHD. Such strategy has indeed revolutionized the management of IHD patients. However, not all patients with myocardial ischemia have visible coronary stenosis. Moreover, cardiovascular events occur in nearly 20% patients with stable coronary artery disease who have undergone PCI...
November 2016: Chinese Journal of Integrative Medicine
Kimberly Howard-Quijano, Ali Salem, Charles Barkulis, Einat Mazor, Jennifer C Scovotti, Jonathan K Ho, Richard J Shemin, Tristan Grogan, David Elashoff, Aman Mahajan
BACKGROUND: Echocardiography-based speckle-tracking strain imaging is an emerging modality to assess left ventricular function. The aim of this study was to investigate the change in left ventricular systolic function after cardiac surgery with 3-dimensional (3D) speckle-tracking strain imaging and to determine whether preoperative 3D strain is an independent predictor of acute and long-term clinical outcomes after aortic valve, mitral valve, and coronary artery bypass grafting operations...
October 24, 2016: Anesthesia and Analgesia
Paola Campagnolo, Adam J Gormley, Lesley W Chow, Anne Géraldine Guex, Paresh A Parmar, Jennifer L Puetzer, Joseph A M Steele, Alexandre Breant, Paolo Madeddu, Molly M Stevens
The development of synthetic vascular grafts for coronary artery bypass is challenged by insufficient endothelialization, which increases the risk of thrombosis, and the lack of native cellular constituents, which favors pathological remodeling. Here, a bifunctional electrospun poly(ε-caprolactone) (PCL) scaffold with potential for synthetic vascular graft applications is presented. This scaffold incorporates two tethered peptides: the osteopontin-derived peptide (Adh) on the "luminal" side and a heparin-binding peptide (Hep) on the "abluminal" side...
October 26, 2016: Advanced Healthcare Materials
Tomohiro Mizuno, Koso Egi, Kenji Sakai, Keiji Oi, Tsuyoshi Hachimaru, Tohru Makita, Kiyotoshi Oishi, Hirokuni Arai
Off-pump coronary artery bypass grafting (OPCAB) in patients with acute myocardial infarction (AMI) is difficult because of circulatory deterioration during displacement of the heart. At our institution, we performed minimally circulatory-assisted on-pump beating coronary artery bypass grafting (MICAB) in these patients. During MICAB, support flow was controlled at a minimal level to maintain a systemic blood pressure of approximately 100 mm Hg and a pulmonary arterial systolic pressure of <30 mm Hg, providing optimal pulsatile circulation for end-organ perfusion and prevention of heart congestion...
October 26, 2016: Artificial Organs
Gabriela Berg, Verónica Miksztowicz, Celina Morales, Magalí Barchuk, Graciela López, Ricardo Póveda, Ricardo Gelpi, Laura Schreier, Miguel Rubio
BACKGROUND: Epicardial adipose tissue (EAT) is a visceral adipose tissue (AT) surrounding and infiltrating myocardium and coronary arteries. Increased EAT may represent a chronic inflammatory injury and represent a link with coronary artery disease (CAD). Metalloproteinases (MMPs) are involved in expansion of AT. OBJECTIVE: to evaluate MMP-2 and -9 behavior in EAT from coronary artery disease patients. METHODS: In EAT and subcutaneous AT (SAT) from patients undergoing coronary artery bypass graft (CABG, n=30) or valve replacement (No CABG, n=18), MMP-2 and -9 activity and localization, inflammatory cells and vascular endothelial growth factor (VEGF) levels were determined...
October 24, 2016: Current Vascular Pharmacology
Ourania Preventza, Joseph S Coselli, Andrea Garcia, Sarang Kashyap, Shahab Akvan, Katherine H Simpson, Matt D Price, Faisal G Bakaeen, Lorraine D Cornwell, Shuab Omer, Kim I de la Cruz, Scott A LeMaire, Denton A Cooley
OBJECTIVE: To evaluate adverse outcomes after elective aortic arch surgery performed at higher or lower temperatures (24.0°C-28.0°C vs 20.1°C-23.9°C) within the wide range of moderate hypothermia. METHODS: Over a 9-year period, a total of 665 patients underwent elective proximal (n = 479) or total (n = 186) arch replacement with moderate hypothermia and antegrade cerebral perfusion. Circulatory arrest was initiated at an actual temperature of 20.1°C to 23...
September 24, 2016: Journal of Thoracic and Cardiovascular Surgery
Bernhard Winkler, Paul P Heinisch, Brigitta Gahl, Soheila Aghlmandi, Hans Jörg Jenni, Thierry P Carrel
The pathophysiologic side effects of cardiopulmonary bypass have already been identified. Minimally invasive extracorporeal circulation technologies (MiECT) and off-pump coronary artery bypass graft surgery (OPCABG) aim to reduce these problems. This metaanalysis provides a comparison of MiECT and OPCABG in randomized and observational studies. A fully probabilistic, Bayesian approach of primary and secondary endpoints was conducted. MiECT does not give inferior results when compared with OPCABG. However, there is a trend to borderline significantly higher blood loss in this group in randomized controlled trials...
October 22, 2016: Annals of Thoracic Surgery
Pei-Li Wang, Lei Zhang, Shao-Li Wang, Qiao-Ning Yang, Zhu-Ye Gao, Jian-Peng Du, Da-Wu Zhang, Chang-Geng Fu, Feng Gu, Hao Xu, Li-Zhi Li, Cheng-Long Wang, Da-Zhuo Shi
OBJECTIVE: To evaluate the prognosis effect of Chinese herbal medicines (CHMs) for benefifiting qi and activating blood circulation adjunctive to conventional treatment in patients with acute coronary syndrome (ACS) after percutaneous coronary intervention (PCI). METHODS: A total of 702 patients with ACS who underwent PCI were enrolled and randomly assigned to receive conventional treatment plus CHMs for benefifiting qi and activating blood circulation (treatment group, 351 cases) or conventional treatment alone (control group, 351 cases) for 6 months...
October 24, 2016: Chinese Journal of Integrative Medicine
Fadime Nuhoglu, Funda Gumus, S Nadir Sinikoglu, Abdulkadir Yektas, Kerem Erkalp, Aysin Alagol
PURPOSE: The aim of the present study was to investigate the changes in intraocular pressures (IOP) in patients who underwent pulsatile and non-pulsatile cardiopulmonary bypass (CPB). METHODS: A total of 42 patients operated for elective coronary bypass surgery (CABG) on CPB were randomly allocated to pulsatile (Group P) and non-pulsatile (Group N) groups. Pulsatile flow was applied to Group P patients during crops-clamp period. The IOP measurements were made before and after the induction of anesthesia, before the onset of CPB, on the 5th, 15th, 30th, 45th, and 60th min of CPB, after CPB and at the end of the operation...
October 24, 2016: International Ophthalmology
Yu Liu, Jinsong Han, Tao Liu, Zhonglu Yang, Hui Jiang, Huishan Wang
Objective. To investigate the effects of diabetes mellitus (DM) in patients undergoing off-pump coronary artery bypass grafting (OPCAB). Method. A total of 728 patients with DM and 1380 patients without DM who underwent OPCAB treatment from March 2012 to April 2015 were reviewed. The effects of DM on intraoperative variables and postoperative complications were determined using propensity score analysis. Results. Two well-matched subgroups were selected using propensity score analysis (DM = 728, no-DM = 728) to compare the perioperative outcome...
2016: BioMed Research International
Shuab Omer, Lorraine D Cornwell, Ankur Bakshi, Eric Rachlin, Ourania Preventza, Todd K Rosengart, Joseph S Coselli, Scott A LeMaire, Nancy J Petersen, Greg Pattakos, Faisal G Bakaeen
Little is known about the frequency and clinical implications of postoperative atrial fibrillation in military veterans who undergo coronary artery bypass grafting (CABG). We examined long-term survival data, clinical outcomes, and associated risk factors in this population. We retrospectively reviewed baseline, intraoperative, and postoperative data from 1,248 consecutive patients with similar baseline risk profiles who underwent primary isolated CABG at a Veterans Affairs hospital from October 2006 through March 2013...
October 2016: Texas Heart Institute Journal
Bernhard Rauch, Constantinos H Davos, Patrick Doherty, Daniel Saure, Maria-Inti Metzendorf, Annett Salzwedel, Heinz Völler, Katrin Jensen, Jean-Paul Schmid
BACKGROUND: The prognostic effect of multi-component cardiac rehabilitation (CR) in the modern era of statins and acute revascularisation remains controversial. Focusing on actual clinical practice, the aim was to evaluate the effect of CR on total mortality and other clinical endpoints after an acute coronary event. DESIGN: Structured review and meta-analysis. METHODS: Randomised controlled trials (RCTs), retrospective controlled cohort studies (rCCSs) and prospective controlled cohort studies (pCCSs) evaluating patients after acute coronary syndrome (ACS), coronary artery bypass grafting (CABG) or mixed populations with coronary artery disease (CAD) were included, provided the index event was in 1995 or later...
October 24, 2016: European Journal of Preventive Cardiology
Paul Kurlansky, Morley Herbert, Syma Prince, Michael Mack
BACKGROUND: Multiple studies have compared coronary artery bypass graft (CABG) with percutaneous coronary interventions (PCI) for coronary revascularization. There is considerable evidence that adherence to medical therapy can affect the outcomes of therapeutic interventions. However, the long-term influence of compliance with recommended medical therapy on the comparative outcomes of CABG versus PCI remains to be defined. METHODS: All non-ST-segment-elevation myocardial infarction patients undergoing coronary revascularization in an 8-hospital network were followed for up to 8 years to determine medication history and major adverse cardiac events: all-cause mortality, nonfatal myocardial infarction, and reintervention...
October 25, 2016: Circulation
Piroze M Davierwala, Sergey Leontyev, Alexander Verevkin, Ardawan J Rastan, Matthias Mohr, Farhad Bakhtiary, Martin Misfeld, Friedrich W Mohr
BACKGROUND: Cardiogenic shock after acute myocardial infarction is an indication for emergent coronary artery bypass grafting in patients not amenable to percutaneous coronary intervention. Our study aimed to evaluate and identify risk factors for early and long-term outcomes in such patients. METHODS: A total of 508 patients who underwent coronary artery bypass grafting for cardiogenic shock complicating acute myocardial infarction between January 2000 and June 2014 were divided into 3 time cohorts: 2000 to 2004 (n=204), 2005 to 2009 (n=166), and 2010 to 2014 (n=138)...
October 25, 2016: Circulation
Bilal H Kirmani, Michael V Holmes, Andrew D Muir
BACKGROUND: The long-term outcomes of off-pump coronary artery bypass grafting (CABG) are the subject of speculation. Our institution has >15 years of experience performing CABG both off-pump (OPCAB) and on cardiopulmonary bypass (CPB). Our null hypothesis was that there would be no difference in a long-term composite of death and revascularisation between the 2 methods. METHODS: We performed a retrospective cohort study of all isolated CABG at our institution from 2001 to 2015...
October 25, 2016: Circulation
David Glineur, Mario Gaudino, Juan Grau
No abstract text is available yet for this article.
October 25, 2016: Circulation
Yochun Jung, Byoung Hee Ahn, Kyo Seon Lee, In Seok Jeong, Sang Gi Oh, Kook Joo Na, Kye Hun Kim
BACKGROUND: The association between the anatomy of a single coronary artery (SCA) and the surgical risk of aortic valve replacement (AVR) remains unclear due to a lack of studies on this topic. CASE PRESENTATION: A 73-year-old woman underwent AVR for aortic stenosis. Preoperative coronary angiography results showed a SCA arising from the left coronary sinus. The Manouguian procedure was performed for a small aortic annulus. Intraoperatively, an extracorporeal membrane oxygenator (ECMO) was needed for bypass weaning failure due to newly developed right ventricular dysfunction...
October 24, 2016: Journal of Cardiothoracic Surgery
Q-L Ma, H-J Wang, M-N Shi, J-H An, J Ma, D Yu, M Tang, F-W Shi
OBJECTIVE: Coronary heart disease (CHD) is a frequent medical condition in developed countries and is one of the most serious diseases threatening patients' lives. Perioperative myocardial infarction is the major cause of perioperative cardiac death and cardiac arrest, but is difficult to be precisely identified by observing clinical symptoms or assessing cardiac enzyme levels or by ECG examination. Therefore, assessment of patient prognosis requires reliable predictors. In this regard, we tested the prognostic value of serum troponin I (TnI) concentrations...
October 2016: European Review for Medical and Pharmacological Sciences
Pravesh Kumar Bundhun, Manish Pursun, Abhishek Rishikesh Teeluck, Akash Bhurtu, Mohammad Zafooruddin Sani Soogund, Wei-Qiang Huang
This study aimed to compare the mid-term adverse cardiovascular outcomes associated with Coronary Artery Bypass Surgery (CABG) and Percutaneous Coronary Intervention (PCI) with Everolimus Eluting Stents (EES). Electronic databases were searched for studies comparing the mid-term (>1 year) adverse cardiovascular outcomes between CABG and PCI with EES. Odd Ratios (OR) with 95% Confidence Intervals (CIs) were calculated and the pooled analyses were performed with RevMan 5.3 software. A total number of 5207 patients were involved in this analysis...
October 24, 2016: Scientific Reports
Eeva-Maija Kinnunen, Marisa De Feo, Daniel Reichart, Tuomas Tauriainen, Giuseppe Gatti, Francesco Onorati, Luca Maschietto, Ciro Bancone, Francesca Fiorentino, Sidney Chocron, Karl Bounader, Magnus Dalén, Peter Svenarud, Giuseppe Faggian, Ilaria Franzese, Giuseppe Santarpino, Theodor Fischlein, Daniele Maselli, Carmelo Dominici, Saverio Nardella, Riccardo Gherli, Francesco Musumeci, Antonino S Rubino, Carmelo Mignosa, Giovanni Mariscalco, Filiberto G Serraino, Francesco Santini, Antonio Salsano, Francesco Nicolini, Tiziano Gherli, Marco Zanobini, Matteo Saccocci, Vito G Ruggieri, Jean Philippe Verhoye, Andrea Perrotti, Fausto Biancari
BACKGROUND: Excessive bleeding and blood transfusion are associated with adverse outcome after cardiac surgery, but their mechanistic effects are difficult to disentangle in patients with increased operative risk. This study aimed to evaluate the incidence and prognostic impact of bleeding and transfusion of blood products in low-risk patients undergoing coronary artery bypass grafting (CABG). STUDY DESIGN AND METHODS: Sixteen tertiary European centers of cardiac surgery contributed to the prospective European registry of CABG (E-CABG)...
October 23, 2016: Transfusion
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