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Monnet Eric E College of Veterinary Medicine and Biomedical Sciences, Department of Clinical Sciences, Colorado State University, Fort Collins, Colorado, - - 2013
Objective: Functional mitral regurgitation (FMR) is a common sequelae of myocardial ischemic disease. It results from annular dilation and outward rotation of the posterior papillary muscle. Different surgical techniques are under investigation for the treatment of FMR. However, an ex vivo model of FMR would be valuable to develop and ...
Cameli Matteo - - 2013
Speckle tracking echocardiography (STE) has recently applied as imaging technique to accurately evaluate right ventricular (RV) function. STE provides a non-Doppler, angle-independent and objective quantification of RV myocardial deformation. Data regarding feasibility, accuracy and clinical applications of RV strain are rapidly gathering, especially in the setting of heart failure patients. ...
Kawasaki Tatsuya - - 2013
Hypertrophic cardiomyopathy (HCM) patients often develop subendocardial ischemia in the left ventricle without atherosclerotic coronary stenosis. Myocardial ischemia plays an important role in the pathophysiology of HCM, but diagnostic techniques for the detection of subendocardial ischemia have not been widely available. We developed specific techniques to quantify subendocardial ischemia on ...
Adhyapak Srilakshmi M - - 2013
Several issues that are inherent in the surgical techniques of surgical ventricular restoration (SVR) need specialized devices or techniques to overcome them, which may not always result in optimal outcomes. We used a non-invasive novel in silico modelling technique to study left ventricular (LV) morphology and function before and after ...
Kramer Peter - - 2013
Different surgical techniques for the treatment of complex transposition of the great arteries (TGA) with ventricular septal defect and left ventricular outflow tract obstruction (LVOTO) have been developed, in particular the Rastelli operation, the réparation à l'étage ventriculaire procedure and the Nikaidoh procedure. The hitherto published results of the Nikaidoh ...
Stys Adam T - - 2013
Angiographically visible thrombus and distal embolization are relatively common during percutaneous coronary intervention (PCI) in myocardial infarction (MI) and correspond to worse outcomes. Several aspiration and thrombectomy devices have been shown to be effective for prevention of distal embolization. We present a technique with successful use of the GuideLiner catheter ...
Schleifer John William - - 2013
Catheter ablation for the management of recurrent ventricular arrhythmias (VAs) is an emerging technology, with good efficacy in selected patients. It is an effective treatment for recurrent VA and can terminate VA during electrical storm. Recent innovations enhance the accuracy of ventricular mapping, allowing for substrate modification while the patient ...
Jin Zhe - - 2013
Adverse cardiac event rates are higher for percutaneous coronary intervention (PCI) of bifurcation lesions. Currently, provisional stenting or a simple stenting strategy is the standard treatment for bifurcated lesions, but its performance remains limited because of a risk of side-branch (SB) closure and a higher rate of target lesion revascularization ...
Kervinen Kari - - 2013
The aim of the study was to compare long-term follow-up results of crush versus culotte stent techniques in coronary bifurcation lesions. The randomized Nordic Stent Technique Study showed similar 6-month clinical and 8-month angiographic results with the crush and culotte stent techniques of de novo coronary artery bifurcation lesions using ...
Une Dai D From the *Division of Cardiac Surgery, and †Division of Cardiac Anesthesiology, University of Ottawa Heart Institute, Ottawa, ON Canada; and ‡McLaren Regional Medical Center Family Medicine, Michigan State University College of Human Medicine, Flint, MI - - 2013
We examined the effects of learning curve on clinical outcomes and operative time in minimally invasive coronary artery bypass grafting (MICS CABG). We studied 210 consecutive MICS CABG cases performed by the same surgeon, composed of 3 cardiopulmonary bypass (CPB)-assisted single-vessel small thoracotomy (SVST), 87 off-pump SVST, 51 CPB-assisted multivessel ...
Tiroch Klaus - - 2013
The mitral clipping technique is emerging as a promising new treatment option for severe mitral regurgitation. The device was designed and assessed in intermediate risk populations, which is in contrast to the real world, where most patients are deemed to be at very high risk for open heart surgery. The ...
Dziewierz Artur - - 2013
Objectives: We sought to evaluate the impact of direct stenting technique on angiographic and clinical outcomes of patients with ST-segment elevation myocardial infarction (STEMI) undergoing primary angioplasty (PCI). Methods: Data on 1,419 patients who underwent immediate PCI for STEMI with implantation of ≥1 stent within native coronary artery were retrieved ...
Trezzi Matteo - - 2013
Perventricular ventricular septal defect (VSD) closure has been adopted as a therapeutic option for selected patients with muscular VSDs. This technique may combine some of the advantages of surgical and interventional techniques. Complication rates have been low: only one case of procedure-related left ventricular (LV) pseudoaneurysm has been documented. We ...
Leibundgut Gregor - - 2013
Coronary angiography and percutaneous coronary intervention (PCI) over the radial approach are becoming more frequent and are recommended by the European Association of Percutaneous Cardiovascular Interventions and European Society of Cardiology. The radial approach leads to less bleeding and improved survival in ST-segment elevation myocardial infarction. Pronounced guide catheter manipulation ...
Alegria-Barrero E - - 2013
Although provisional T-stenting with stenting of the main branch and optional side branch stenting is nowadays the default strategy generally preferred for simple bifurcation lesions, percutaneous coronary intervention (PCI) of complex true bifurcation lesions remains a difficult task to achieve also with modern second generation drug eluting stents. Treatment of ...
Dai Jian - - 2013
Controlled antegrade and retrograde subintimal tracking (CART) or reverse CART techniques is the final step for percutaneous revascularization of coronary chronic total occlusion (CTO), but it still represents technical challenges and risk in interventional procedures. Our purpose was to utilize intravascular ultrasound (IVUS)-guided reverse CART approach for percutaneous revascularization of ...
Erdogan Ercan - - 2013
Successful revascularization of chronic total occlusions has been associated with improved left ventricular systolic function, reduced anginal symptoms, increased exercise capacity, and increased survival. This study was conducted to determine the impact of revascularization in chronic total occlusion on left ventricular function using novel echocardiographic techniques. A total of 129 ...
Hechadi Jawad - - 2013
In some patients undergoing a valve-sparing reimplantation technique, a coronary ostium may be very close to one of the commissures. This condition jeopardizes the coronary ostium patency and valve reimplantation. The authors describe a simple and safe modification of the reimplantation technique, leaving the misplaced coronary ostium attached to the ...
Cappabianca Giangiuseppe - - 2013
Chronic ischemic mitral regurgitation (MR) denotes abnormal function of normal leaflets resulting from left ventricular enlargement. We present the midterm results of a tailored mitral repair technique using a combination of the following subvalvular procedures: (1) detachment and reimplantation of secondary chordae on the free edge of the anterior leaflet ...
van Dam Peter M - - 2013
The precise localization of the site of origin of a premature ventricular contractions (PVC) prior to ablation would facilitate the planning and execution of the electrophysiological procedure. Current electrocardiographic imaging (ECGI) techniques require body surface maps, a costly and complex procedure, that requires as many as 256 leads to localize ...
Deora Surender - - 2013
Percutaneous transvenous mitral commissurotomy (PTMC) is an acceptable and preferred alternative to surgical commissurotomy in suitable patients with severe rheumatic mitral stenosis. Various over-the-wire techniques have been described in the past for difficult left ventricle (LV) entry during PTMC. Here, we report two cases of successful PTMC with difficult LV ...
Patel Vishal G - - 2013
Percutaneous coronary intervention (PCI) during ST-segment elevation myocardial infarction (STEMI) can be challenging due to limited distal vessel visualization. We present a case of challenging antegrade wiring during PCI of an inferior STEMI resulting in inadvertent subintimal wiring and ballooning. Recognition of this scenario prior to stenting allowed vessel rescue ...
Godino Cosmo - - 2013
The guided-STAR technique is an alternative anterograde approach for treatment of coronary chronic total occlusion (CTO) and it is usually followed by implantation of multiple stents. We describe a case of residual long coronary dissection left unstented after guided-STAR, with good results at 2months follow-up. This case emphasizes the fact ...
Omelchenko Alexander Y AY Academician EN Meshalkin State Research Institute of Circulation Pathology, Novosibirsk, - - 2014
To present our first experience in perventricular closure of ventricular septal defect, which is in our opinion, an important adjunct to current ventricular septal defect treatment options. Surgical closure under cardiopulmonary bypass is the treatment of choice for a perimembranous ventricular septal defect. Percutaneous techniques have technical limitations. To date, ...
Pei Han-Jun - - 2013
Currently available evidence suggests that outcomes are less favorable when left main (LM) bifurcation lesions are treated with 2-stent techniques compared with a single-stent technique. We aimed to evaluate the long-term outcomes of the 2-stent techniques for treating unprotected LM bifurcation lesions in Chinese patients. We enrolled 301 consecutive patients ...
Evtushenko Alexey V - - 2013
Restrictive annuloplasty remains the most widespread technique for the correction of chronic ischemic mitral regurgitation (IMR). However, this technique only partially corrects the underlying pathophysiology and does not address the restricted leaflet motions during systole that result from progressive left ventricular (LV) remodeling. A novel experimental model of IMR was ...
Marino Paolo - - 2013
Assessment of diastolic function is nowadays done noninvasively; such an approach provides unambiguous information in a large, albeit not complete, proportion of patients suffering from heart failure with preserved ejection fraction (HFpEF). In this review, echocardiography is used in order to diagnose and stage diastolic dysfunction, including abnormal hemodynamic features ...
Kloner Robert A - - 2013
Oxygen Supply/Demand Approach to Reducing Infarct Size Great strides have been made in the treatment of acute myocardial infarction (MI). Improved outcomes and reduced mortality are largely the result of opening the occluded infarct artery as soon as possible and by keeping it open. Early reperfusion consistently reduces myocardial infarct ...
Kitagawa Tetsuya - - 2013
The management of patients with multiple muscular trabecular ventricular septal defects (VSDs) remains controversial. In the past two decades, innovative techniques including a right ventricular apical infundibulotomy and transcatheter, intraoperative and perventricular device closure have been exploited, and essential right atrial approach and limited apical left ventriculotomy have also been ...
Cronin Edmond M - - 2013
AIMS: Cryoballoon ablation is an emerging therapy for atrial fibrillation (AF). However, the Arctic Front cryoballoon (Medtronic) cannot be localized on current electroanatomic mapping (EAM) systems. We describe a technique to visualize guidewires in an impedance-based EAM system.METHODS AND RESULTS: A novel technique for real-time guidewire localization in an EAM ...
Jeong Dong Seop - - 2013
Atrial fibrillation (AF) is the most common chronic arrhythmia in the world, and it is associated with an increased long-term risk of stroke, heart failure, and all-cause mortality. To overcome the limitations of transvenous radiofrequency (RF) ablation for AF, total thoracoscopic ablation (TTA) has evolved as a new technique. TTA ...
Avgerinos Dimitrios V - - 2013
Right heart failure is a rare but often fatal complication both in the pre- and postoperative setting. Right heart support with a ventricular assist device inserted in the operating room through median sternotomy can be a time-consuming procedure that requires a reoperation for removal. In cases of urgent need of ...
Yilmaz U - - 2013
BACKGROUND AND PURPOSE:Mechanical thrombectomy with stent retrievers in acute stroke has emerged as a promising new technique, with the highest recanalization rate of the therapeutic procedures available thus far. However, in up to 20% of the cases, mechanical thrombectomy with stent retrievers results in poor angiographic outcomes, with Thrombolysis in ...
Zile Michael R - - 2013
Comprehensive diagnostic criteria, accurate prognostic indicators, and effective treatment for patients with heart failure and a preserved ejection fraction (HFpEF) represent a critically important unmet need in cardiovascular medicine. Novel approaches to fill this unmet need are likely to be facilitated by targeting the underlying and unique pathophysiologic mechanisms that ...
Chrysanthou-Baustert Isabelle - - 2013
BACKGROUND: The diagnostic sensitivity of various SPECT MPI procedures was assessed using a pumping cardiac phantom with variable defects inserted in the myocardial wall of the left ventricle. METHODS AND RESULTS: A diagnostic evaluation of 142 myocardial defects was performed. A diagnosis blinded to prior-known conditions was compared to the ...
García-Tejada Julio - - 2013
Primary percutaneous intervention of saphenous vein grafts is associated with a high risk of distal embolization and no reflow. We report a case of acute myocardial infarction with a large intragraft thrombus, successfully treated with a technique combining thrombectomy with a 6Fr guiding catheter and distal protection with the FilterWire ...
Naganuma Toru - - 2013
OBJECTIVES: This study sought to report long-term clinical outcomes in patients treated with the provisional T-stenting and small protrusion (TAP) technique. BACKGROUND: Several strategies have been proposed for treating bifurcation lesions, each with its own merits and technical challenges. The TAP technique is a relatively new strategy that is technically ...
Kim Hyungtae - - 2013
Several methods of making expanded polytetrafluoroethylene valved conduit have been reported, but these techniques are complicated and less reproducible. We have developed a new simplified technique for making a tricuspid expanded polytetrafluoroethylene valved conduit for right ventricular outflow tract reconstruction and have been using this conduit for approximately 3 years ...
Caylı Murat - - 2013
This study sought to propose a new technique for the treatment of Medina type 1.1.1 bifurcation lesions. Although there are many different 2-stent techniques, the optimal strategy for patients with Medina type 1.1.1 bifurcation lesions has not yet been determined. The authors selected 30 patients who had Medina type 1.1.1 ...
Aquaro Giovanni Donato - - 2013
The quantification of global myocardial blood flow (MBF) by measuring coronary sinus flow by magnetic resonance (MRI) was demonstrated to be very well correlated with positron emission tomography (PET). We proposed a new method for the quantification of regional myocardial perfusion with MRI by the integration of MBF and first ...
Wittwer Thorsten - - 2013
BACKGROUND: Coronary-artery-bypass-grafting (CABG) with conventional extracorporeal circulation (CECC) is associated with adverse effects such as systemic inflammatory response leading to a decrease in systemic vascular resistance and hemodynamic instability. Modern "less invasive" procedures have been established recently which potentially avoid negative side effects of CECC. The aim of this study ...
Isoda Susumu - - 2013
Treatment for postinfarction ventricular septal defect has been improving for several decades. Aggressive resection of the infarcted myocardium (infarctectomy and closure technique) and preserving infarcted myocardium (infarct exclusion technique) have been technically modified. Recent improvement includes use of surgical glue, using an additional patch for infarct exclusion, septal exclusion, sandwich ...
Mewton Nathan - - 2013
Over the past decade, the therapeutic strategies for acute myocardial infarction have changed considerably. Progress in experimental models, as well as noninvasive myocardial imaging techniques, has identified myocardial reperfusion injury as a significant contributor to the final infarct size in human patients. Following 3 decades devoted to the improvement of ...
White Steven K - - 2013
OBJECTIVES: The aim of this study was to determine the accuracy of the contrast "bolus only" T1 mapping cardiac magnetic resonance (CMR) technique for measuring myocardial extracellular volume fraction (ECV). BACKGROUND: Myocardial ECV can be measured with T1 mapping before and after contrast agent if the contrast agent distribution between ...
Mangner N - - 2013
Stroke prevention is the major goal in treating patients with atrial fibrillation. Warfarin therapy, if used appropriately, is highly effective in preventing thromboembolic events, but is simultaneously burdened by a narrow therapeutic window, multiple food and drug interactions, and a substantial bleeding risk. New pharmacological agents show only a modest ...
Ito Hideki H Division of Cardiovascular Surgery, Ichinomiya Municipal Hospital, 2-2-22 Bunkyo, Ichinomiya, Aichi 491-8558, Japan. Electronic address: - - 2013
The efficacy of retrograde cardioplegia for myocardial protection is still controversial. In our institution, we exclusively use intermittent administration of tepid, undiluted blood supplemented with potassium and magnesium for the cases with aortic insufficiency, requiring aortotomy, or undergoing mitral valve repair. In using this retrograde technique, we make a point ...
Sasaki Kenichi - - 2013
Left ventricular free wall rupture is a fatal and catastrophic complication after acute myocardial infarction. The sutureless technique with a fibrin tissue-adhesive collagen fleece is reportedly safe and effective in the oozing type of left ventricular free wall rupture. However, late pseudoaneurysm formation after this technique has been reported. We ...
Moriña-Vázquez Pablo - - 2013
BACKGROUND: Biventricular pacing through the coronary sinus (CS) is effective for the treatment of patients with heart failure and left bundle-branch block. However, this approach is not always feasible. Although surgical epicardial lead implantation is an alternative, the technique may be deleterious in some patients. Thus, direct left ventricular (LV) ...
Nassar Yasser - - 2013
Percutaneous coronary intervention (PCI) for chronic total occlusion (CTO) of the left anterior descending coronary artery (LAD) specifically is associated with improved long-term 5 years survival as compared to PCI failure. Simpler PCI techniques may be successful and safer than complex techniques which are perceived to have high failure rates and ...
Koh Yoon-Seok - - 2013
BACKGROUND: Few studies have compared the long-term major adverse cardiac events (MACEs) between the one-stent technique (stenting only the main branch) and the two-stent technique (stenting of both the main and side branches) for the treatment of true coronary bifurcation lesions in the drug-eluting stent era. Therefore, we investigated this ...
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