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Coronary Artery Bypass surgery

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https://www.readbyqxmd.com/read/28544831/aortic-root-surgery-in-marfan-syndrome-medium-term-outcome-in-a-single-center-experience
#1
Christine H Attenhofer Jost, Heidi M Connolly, Christopher G Scott, Naser M Ammash, Juan M Bowen, Hartzell V Schaff
BACKGROUND: The study aim was to analyze the authors' experience with aortic root surgery in Marfan syndrome (MFS), and to expand the surgical outcome data of patients meeting the Ghent criteria (Marfan registry). METHODS: Analyses were performed of data acquired from MFS patients (who met the Ghent criteria), including an aortic root surgery and Kaplan-Meier survival. RESULTS: Between April 2004 and February 2012, a total of 59 MFS patients (mean age at surgery 36 ± 13 years) underwent 67 operations for aortic root aneurysm (n = 52), aortic valve (AV) regurgitation (n = 15), acute aortic dissection (n = 2), and/or mitral valve (MV) regurgitation resulting from MV prolapse (n = 7)...
January 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28544600/effect-of-magnesium-on-arrhythmia-incidence-in-patients-undergoing-coronary-artery-bypass-grafting
#2
Alireza Mohammadzadeh, Farshad Towfighi, Naser Jafari
BACKGROUND: Cardiac arrhythmia after coronary artery bypass grafting (CABG) surgery is a common complication of cardiac surgery. The effect of serum magnesium, hypomagnesaemia treatment and prophylactic administration of magnesium in the development and prevention of arrhythmias is controversial and there are many different ideas. This study evaluates the therapeutic effects of magnesium in cardiac arrhythmia after CABG surgery. METHODS: The clinical trial enrolled 250 patients who underwent CABG...
May 22, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28542032/use-of-platelet-function-testing-to-guide-the-timing-of-coronary-artery-bypass-surgery
#3
Sean R McMahon, David J Schneider
No abstract text is available yet for this article.
May 24, 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28540143/association-between-coronary-artery-disease-and-microrna-literature-review-and-clinical-perspective
#4
Rehan Malik, Raja S Mushtaque, Usman A Siddiqui, Adnan Younus, Muhammad A Aziz, Choudhry Humayun, Kanaan Mansoor, Muhammad A Latif, Salman Waheed, Salman Assad, Idrees Khan, Syed M Bukhari, Daniel DelCampo, Ali Adus, Swetha Gannarapu
BACKGROUND: Until recently, circulating micro-RNAs (miRNAs) have attracted major interest as novel biomarkers for the early diagnosis of coronary artery disease (CAD). This review article summarizes the available evidence on the correlation of micro-RNAs with both the clinical and subclinical coronary artery disease and highlights the necessity for exploring miRNAs as a potential diagnostic and prognostic biomarker of early CAD in an adult population. METHODS: A systematic literature analysis and retrieval online systems Public/Publisher MEDLINE/ Excerpta Medica Database /Medical Literature Analysis and Retrieval System Online,(PUBMED/EMBASE/MEDLINE) search were conducted for relevant information...
April 23, 2017: Curēus
https://www.readbyqxmd.com/read/28540076/techniques-for-intraoperative-graft-assessment-in-coronary-artery-bypass-surgery
#5
REVIEW
Lucas B Ohmes, Antonino Di Franco, Gabriele Di Giammarco, Carlo Maria Rosati, Christopher Lau, Leonard N Girardi, Massimo Massetti, Mario Gaudino
Early graft patency is a major determinant of morbidity and mortality following coronary artery bypass surgery. Long-term graft failure is caused by intimal hyperplasia and atherosclerosis, while early failure, especially in the first year, has been attributed, in part, to surgical error. The need for intraoperative graft evaluation is paramount to determine need for revision and ensure future functioning grafts. Transit time flowmetry (TTFM) is the most commonly used intraoperative modality, however, only about 20% of cardiac surgeons in North America use TTFM...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28540075/fractional-flow-reserve-to-guide-surgical-coronary-revascularization
#6
REVIEW
Tara Shah, Joshua D Geleris, Ming Zhong, Rajesh V Swaminathan, Luke K Kim, Dmitriy N Feldman
Coronary angiography has traditionally been used as the final diagnostic tool in the evaluation of coronary artery disease (CAD). However, conventional angiography identifies anatomically obstructive coronary disease, but it is limited in its ability to identify hemodynamically significant lesions. The emergence of fractional flow reserve (FFR) technology, in conjunction with angiography, offers a functional, as well as anatomic, assessment of epicardial coronary obstructions. Several pivotal studies have demonstrated that FFR-guided coronary revascularization is a safe and effective in patients with single and multivessel CAD...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28539296/-establishment-of-a-rabbit-model-of-small-diameter-vascular-graft-replacement
#7
Jia-Qing Zhang, Kun-Tang Chen, Fu-Wei Zhang, Shao-Bin Li, Yuan-Zhou Wu, Jing Feng, Wu-Jun Wang, Yu-Sheng Yan
OBJECTIVE: To establish an rabbit model that mimics the hemodynamics of the bypass graft after coronary artery bypass surgery. METHODS: Sixteen New Zealand rabbits were randomly divided into two groups for abdominal aortic artery replacement using a 3-cm-long ePTFE graft with an inner diameter 4 mm through an incision at 1/3 from the middle to the lower part of the abdomen (group A) or in the lower abdomen (group B). The general conditions of the rabbits, operative time, number of collateral vessels that needed to be ligated, rate of massive intraoperative bleeding, fluctuation of vascular anastomosis after surgery, patency rate of the graft on day 7 after the operation were compared between the two groups...
May 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28538000/revascularization-for-patients-with-diabetes-mellitus-and-stable-ischemic-heart-disease-an-update
#8
G B John Mancini, Michael Farkouh, Subodh Verma
PURPOSE OF REVIEW: To provide an update on the management of patients with diabetes mellitus and requiring coronary revascularization. RECENT FINDINGS: Evidence continues to show that patients with diabetes mellitus and ischemic heart disease represent a very high-risk group of patients. Choice of stent appears important for minimizing target lesion and target vessel adverse events with everolimus eluting stents having the best performance, particularly in patients being treated with insulin...
May 19, 2017: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/28537454/transfusion-requirements-in-elective-cardiopulmonary-bypass-surgery-patients-predictive-value-of-multiplate-and-thromboelastography-teg-platelet-mapping-assay
#9
Praleene Sivapalan, Anne Caroline Bäck, Sisse Rye Ostrowski, Hanne Berg Ravn, Pär Ingemar Johansson
Managing haemostasis in patients undergoing cardiopulmonary bypass (CPB) surgery remains a challenge. There is no established laboratory test to predict transfusion requirements in cardiac surgery. We investigated whether preoperative Thromboelastography (TEG) with Platelet Mapping Assay (PMA) or Multiple Electrode Aggrometry (MEA) could predict transfusion requirements in patients undergoing elective coronary artery bypass grafting (CABG) or combined CABG with aortic or mitral valve replacement. We prospectively investigated 199 patients undergoing elective CABG or combined procedures...
May 24, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28535775/factors-influencing-postoperative-atrial-fibrillation-in-patients-undergoing-on-pump-coronary-artery-bypass-grafting-single-center-experience
#10
Mohamed F Ismail, Ahmed F El-Mahrouk, Tamer H Hamouda, Hanan Radwan, Ali Haneef, Ahmed A Jamjoom
BACKGROUND: The reported incidence of AF after CABG surgery varies from 20 to 40%, with the arrhythmia usually occurring between second and fourth postoperative days. Postoperative AF after CABG was associated with greater in-hospital mortality and worse survival at long-term follow-up. Therefore, intensive attention has focused on the prevention of AF in high-risk patients. Many perioperative factors have been suggested to increase the incidence of postoperative AF after conventional CABG...
May 23, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28535744/leukocyte-filtration-of-the-cardiotomy-suction-does-it-affect-systemic-leukocyte-activation-or-pulmonary-function
#11
Richard Issitt, Jon Ball, Indie Bilkhoo, Adnan Mani, Bronagh Walsh, David Voegeli
BACKGROUND: Cardiopulmonary bypass is thought to propagate a global systemic response through contact with the non-physiological surfaces of the extracorporeal circuit, leading to the stimulation of leukocytes, their adherence to endothelial cells and the release of cytotoxic molecules. This, in turn, has been shown to accelerate pulmonary injury. This study tested a new leukocyte-filtration system (RemoweLL) against a conventional system with no leukocyte-depleting capacity to determine the efficacy of the filtration system and its effects on pulmonary function...
May 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28534102/circulating-microaggregates-during-cardiac-surgery-precedes-postoperative-stroke
#12
Zühre Uz, Dan M J Milstein, Can Ince, Bastian A J M de Mol
Postoperative stroke and encephalopathy are potentially serious complications associated with coronary artery bypass grafting. In this case report a 78-year-old male patient receiving routine elective cardiac surgery presented with microaggregations in the sublingual microcirculation while on cardiopulmonary bypass that was undetected by routine intraoperative anticoagulation assessment. Microaggregates identified using video microscopy on his sublingual microcirculation during the procedure preceded a stroke postoperatively...
May 22, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28533990/anomalous-origin-of-right-coronary-artery-originating-from-the-pulmonary-trunk-arcapa-an-incidental-finding-in-a-patient-presenting-with-chest-pain
#13
Pragathi Balakrishna, Michael Illovsky, Youssef M Al-Saghir, Abdul M Minhas
Anomalous origin of the right coronary artery originating from the pulmonary trunk (ARCAPA) is a rare congenital coronary anomaly with an estimated prevalence of 0.002%. Most patients are asymptomatic and the anomaly is detected incidentally during evaluation for other problems. Occasionally, ARCAPA may lead to myocardial ischemia and/or sudden cardiac arrest. We present a case of a 55-year-old female with a history of hypertension who presented to the emergency department with intermittent chest discomfort for three days...
April 17, 2017: Curēus
https://www.readbyqxmd.com/read/28533194/mortality-in-cardiac-surgery-myriad-a-randomized-controlled-trial-of-volatile-anesthetics-rationale-and-design
#14
Giovanni Landoni, Vladimir Lomivorotov, Antonio Pisano, Caetano Nigro Neto, Umberto Benedetto, Giuseppe Biondi Zoccai, Marco Gemma, Samuele Frassoni, Felice Eugenio Agrò, Massimo Baiocchi, Filomena R Barbosa Gomes Galas, Andrei Bautin, Nikola Bradic, Cristiana Carollo, Giuseppe Crescenzi, Abeer Elnakera, Mohamed R El-Tahan, Evgeny Fominskiy, Ahmed G Farag, Gordana Gazivoda, Stefano Gianni, Evgeny Grigoryev, Fabio Guarracino, Sidik Hanafi, Weiqing Huang, Gudrun Kunst, Jan Kunstyr, Chong Lei, Rosalba Lembo, Zhi-Jian Li, Valery Likhvantsev, Andrey Lozovskiy, Jun Ma, Fabrizio Monaco, Paolo Navalesi, Bukamal Nazar, Vadim Pasyuga, Elena Porteri, Colin Royse, Laura Ruggeri, Hynek Ryha, Fernanda Santos Silva, Luca Severi, Vladimir Shmyrev, Nikolay Uvaliev, Cheng Bin Wang, Chew-Yin Wang, Dario Winterton, Chow-Yen Yong, Jingui Yu, Rinaldo Bellomo, Alberto Zangrillo
OBJECTIVE: There is initial evidence that the use of volatile anesthetics can reduce the postoperative release of cardiac troponin I, the need for inotropic support, and the number of patients requiring prolonged hospitalization following coronary artery bypass graft (CABG) surgery. Nevertheless, small Randomized Controlled Trials have failed to demonstrate a survival advantage. Thus, whether volatile anesthetics improve the postoperative outcome of cardiac surgical patients remains uncertain...
May 19, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/28532780/meta-analysis-comparing-coronary-artery-bypass-grafting-to-drug-eluting-stents-and-to-medical-therapy-alone-for-left-main-coronary-artery-disease
#15
Rahman Shah, Mohamed S Morsy, Darryl S Weiman, George W Vetrovec
Historically, coronary artery bypass graft (CABG) surgery has been the standard revascularization method for unprotected left main coronary artery (LMCA) disease. Over the last decade, several randomized controlled trials (RCTs) have shown favorable results for percutaneous coronary intervention (PCI) with drug-eluting stent (DES) compared with CABG; however, no RCT has been conducted directly comparing DESs with medical therapy alone (MTA). Furthermore, the 2 most recently reported larger RCTs, using new-generation DESs reached somewhat conflicting conclusions comparing the 2 revascularization strategies...
April 12, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28532425/combined-pulmonary-and-left-ventricular-support-with-veno-pulmonary-ecmo-and-impella-5-0-for-cardiogenic-shock-after-coronary-surgery
#16
Sameh Sayed, Christoph Schimmer, Ina Shade, Rainer Leyh, Ivan Aleksic
BACKGROUND: Mechanical circulatory support is a common practice nowadays in the management of patients after cardiogenic shock due to myocardial infarction. The single or combined use of one or more devices for mechanical support depends not only on the advantage or disadvantage of these devices but also on the timing of use of these devices before the development of multi organ failure. In our case we used more than one tool for mechanical circulatory support during the prolonged and complicated course of our patient with postcardiotomy cardiogenic shock after coronary artery bypass surgery...
May 22, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28527195/changes-in-sternal-perfusion-following-internal-mammary-artery-bypass-surgery
#17
Christian D Taeger, Konstantin Klein, Raymund E Horch, Michael Weyand, Justus P Beier
BACKROUND: Coronary bypass surgery using the internal mammary artery (IMA) is among the most commonly performed procedures in treatment of advanced coronary vessel disease. Further, bilateral harvesting of the IMA is associated with increased rates of sternal wound infections. OBJECTIVE: This study aimed to explore changes in sternal perfusion, following left internal mammary artery (LIMA) harvesting. METHODS: 60 patients were divided equally into intervention- and control cohorts and underwent assessment of oxygen saturation (sO2) and relative blood flow (RBF) by laser doppler flowmetry remission spectroscopy preoperatively, 24 h and 72 h postoperatively...
May 18, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28523165/plasma-levels-of-matrix-metalloproteinase-9-in-patients-undergoing-off-pump-coronary-artery-bypass-grafting
#18
Haiqing Li, Zhize Yuan, Sen Li, Quan Qi, Jun Liu, Mi Zhou, Junfeng Cai, Anqing Chen, Zhe Wang, Xiaofeng Ye, Qiang Zhao
BACKGROUND: Matrix metalloproteinase 9 (MMP9) has recently emerged as a risk predictor in patients with cardiovascular diseases. However, little is known about the significance of increased plasma MMP9 in patients with perioperative myocardial injury. We aimed to investigate the role of MMP9 in the occurrence of myocardial injury during off-pump coronary artery bypass grafting (OPCAB). METHODS: A total of 34 consecutive patients with coronary artery diseases (CAD) were recruited in this prospective, observational study...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28523031/myocardial-protection-with-glucose-insulin-potassium-infusion-during-adult-cardiac-surgery
#19
Suhail Ahmad, Rana Altaf Ahmad, Bilal Ahsan Qureshi, Mirza Ahmad Raza Baig
BACKGROUND & OBJECTIVE: Recent meta-analysis reports have called for more randomized trials to evaluate the effectiveness of GIK solution in patients of cardiac surgery. So this study was conducted to evaluate the effectiveness of Glucose-insulin-potassium (GIK) solutions in non-diabetic patients undergoing coronary artery bypass grafting. METHODS: A total number of one hundred and sixty (160) patients were randomized into two equal groups; GIK Group and non-GIK group...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28515825/late-presentation-of-aortic-aneurysm-and-dissection-following-cardiac-catheterization
#20
Abimbola Shofu, G Mustafa Awan, Bassam Omar, Ghazanfar Qureshi
We report a 63-year-old female with hypertension, hyperlipidemia, and prior pacemaker insertion for atrial fibrillation with symptomatic bradycardia, who was admitted with substernal chest pressure and diaphoresis. Her electrocardiogram revealed atrial fibrillation with demand ventricular pacing and her cardiac biomarkers were negative for acute coronary syndrome. Echocardiogram revealed normal left ventricular systolic function and normal aortic root diameter. Coronary angiography revealed 60-70% obtuse marginal lesion, otherwise mild disease...
April 2017: Cardiology Research
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