Publications by authors named "Vadim Moustafine"

Background: In obese patients, minimally invasive aortic valve replacement (MIS-AVR) presents challenges, and the risk of patient-prosthesis mismatch (PPM) is elevated. This retrospective single-center study evaluates the impact of body mass index (BMI) on the outcome of an initial MIS-AVR program.

Material And Methods: 307 patients underwent MIS-AVR between 01/2013-12/2015, the initial phase of our MIS-AVR program.

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Objectives:  We evaluated and compared early postprocedural and midterm incidence and evolution of atrioventricular and intraventricular conduction disorders following rapid deployment aortic valve replacement (RDAVR) and conventional aortic valve replacement (AVR).

Materials And Methods:  One hundred and forty-seven patients who underwent isolated rapid deployment AVR between 2017 and 2021 as well as 128 patients after conventional biological AVR in the same period were included in this study. ECGs recorded at baseline, discharge, and 12 months were retrospectively analyzed.

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We report two cases of rare invasive tumors presenting with transvenous and intracardiac extensions. In one instance, an unusual invasive thymoma type A penetrated into the heart chamber; the other case was an extension of a myxoma into the right atrium that was associated with superior vena cava syndrome. Our interest was stimulated by the rarity of these clinicopathological observations and the unusual clinical features of diagnostic and therapeutic methods presented by these cases.

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Background:  We evaluate the outcome of aortic root surgery via an upper J: -shaped mini-sternotomy (MS) versus full sternotomy (FS) in an intermediate-volume center.

Methods:  Between November 2011 and February 2019, 94 consecutive patients underwent aortic root surgery: 62 (66%) patients were operated via a J: -shaped MS (group A) and 32 (34%) patients via FS (group B). The primary endpoints were mortality, major adverse cardiac and cerebral events (MACCE), and reoperation in a 2-year follow-up.

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Objectives: Aortic stenosis is highly prevalent among patients with concomitant coronary artery disease. Surgical aortic valve replacement with coronary artery bypass grafting is usually the treatment of choice for patients with severe aortic stenosis and significant coronary disease. The aim of this study was to evaluate the outcome and hemodynamic results of the implantation of rapid-deployment valves (Rapid-Deployment Edwards Intuity Valve System [RDAVR]) versus conventional sutured valves (CSAVR) in combined surgery.

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Objectives: Increased rates of postoperative left bundle branch block (LBBB) and permanent pacemaker implantation (PPI) frequently occur after implantation of rapid deployment valves. The impact of LBBB on follow-up outcomes remains controversial. So far, no data regarding long-term outcomes exist.

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Background: Scarcely any data has been published on the mid-term effect of transapical-transcatheter aortic valve implantation (TA-TAVI) using the Edwards SAPIEN 3 valve (S3; Edwards Lifesciences Corp., Irvine, CA, USA). We present mid-term clinical and echocardiographic outcomes after TA-TAVI utilizing S3.

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Introduction: Few data are available about the newest generation surgical bioprosthesis. We aimed to evaluate early clinical and hemodynamic outcomes after using the INSPIRIS RESILIA aortic valve (Edwards Lifesciences, Irvine, California, USA).

Methods: Between July 2018 and April 2021, 80 patients underwent aortic valve replacement receiving the INSPIRIS RESILIA aortic valve at our institution.

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Objectives: Patients scheduled for transcatheter aortic valve implantation (TAVI) treatment frequently present with concomitant aortic diseases, in which case they are usually considered to be at high interventional risk and, in particular, unable to undergo the transfemoral TAVI approach. Since the establishment of the 'transfemoral first' strategy for TAVI, there has been an evidence gap with regard to the outcomes of such patients. We aimed to evaluate the mid-term outcomes after transapical TAVI in patients with diverse aortic diseases.

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Objectives: Little data have been published on the midterm effect of transapical/transfemoral-transcatheter aortic valve replacement (TA-/TF-TAVR) using the Edwards SAPIEN 3 valve (S3). We aimed to compare the outcomes after TA-/TF-TAVR utilizing the S3 (TA-/TF-S3) valve with those after surgical aortic valve replacement utilizing the rapid deployment Edwards INTUITY valve (RD-SAVR).

Methods: Between March 2012 and April 2018, 122 patients with aortic stenosis underwent TA-S3, 77 patients underwent TF-S3 and 182 patients underwent RD-SAVR through partial sternotomy at our institution.

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Objectives:  Rapid-deployment valves can reduce procedural times and may facilitate minimally invasive surgery. In our institution, more than 500 patients underwent rapid deployment aortic valve replacement (AVR).

Methods:  A total of 510 patients underwent rapid deployment AVR between March 2012 and September 2017, of whom 270 patients underwent isolated AVR and 240 underwent AVR with concomitant procedures.

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Objectives: Minimally invasive surgery (MIS) via partial upper sternotomy (PUS) for aortic root surgery represents an alternative to the full median sternotomy (FMS). PUS offers less operative trauma. We analyzed the midterm outcome of root replacement (Bentall) or valve-sparing root replacement (David) via PUS to evaluate the safety of this access.

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Background: We have aimed to analyze early and mid-term outcomes of patients undergoing transapical/transfemoral transcatheter aortic valve implantation (TA-/TF-TAVI) for aortic stenosis and porcelain aorta (PAo) in our institution. Additionally, we postulated that the TA approach may be associated with a more favorable neurological outcome than the TF approach; hence, a systematic literature review was conducted.

Methods: Between 2011 and 2017, 15 patients with PAo underwent TA-TAVI and 4 patients with PAo TF-TAVI at our institution.

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Background: Multiple valve surgery is associated with significant higher operative risks. Reduced cross-clamp and cardiopulmonary bypass times in multiple valve surgery may potentially be beneficial as they can be considered independent risk factors for increased morbidity and mortality following cardiac surgery. We report first intermediate outcomes of the Edwards Intuity valve system (Edwards Lifesciences, Irvine, California, United States) in combined procedures METHODS:  Fifty-eight patients underwent rapid deployment aortic valve replacement with concomitant mitral valve surgery between January 2014 and November 2017 in our institution.

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The degeneration of bioprosthetic aortic Conduit with hemodynamic dysfunction mostly requires a re-do surgery, which is associated with an increased perioperative risk. Considering this, an open implantation of a transcatheter aortic bioprothesis (TAVI) after resection of the degenerated valve leaflets could be of great benefit, reducing cross-clamp and cardiopulmonary bypass duration, especially in combined surgery in high-risk patients. This is a case of a high-risk female (78 years, EuroScore 59%) treated with an open TAVI as an alternative to conventional valve or aortic conduit replacement for degenerative aortic valve due to endocarditis lente, 2 years following a bio-Bentall procedure.

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Objectives: Transcatheter procedures have overtaken conventional operations in Germany. Considering that this is a highly competitive field, a rate of 25% for minimal access aortic valve replacement seems to be disappointingly low. One way to promote minimal access techniques is through the systematic use of rapid deployment valves.

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Objective: Patients undergoing multiple valve surgery represent a high-risk group who could potentially benefit from a reduction of cross-clamp and cardiopulmonary bypass times because prolonged bypass and cross-clamp times are considered independent risk factors for increased morbidity and mortality after cardiac surgery.

Methods: Between July 2013 and November 2014, 16 patients underwent rapid deployment aortic valve replacement with the EDWARDS INTUITY valve system in the setting of concomitant mitral disease. Fifteen patients showed mitral regurgitation, whereas one patient had severe mitral stenosis.

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Background: The Labcor TBLP Supra™ prosthesis is a second-generation tissue valve that has evolved from the Labcor TBLP™ prosthesis, first introduced in 1984. The Supra prosthesis is a triple-composite porcine valve, with no specific anticalcification treatment being used in its production other than standard tissue fixation with 0.4% glutaraldehyde.

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Recent studies report a reproducible reduction of myocardial ischemic and cardiopulmonary bypass times along with excellent hemodynamics and low rates of paravalvular leakage for rapid-deployment valves. A 68-year-old female patient with aortic stenosis and a mechanical mitral valve which was implanted in 2006 received rapid-deployment aortic valve replacement. The procedure could be performed with a cross-clamp time of 45 minutes and a cardiopulmonary bypass time of 60 minutes.

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The technique of rapid deployment aortic valve implantation in patients with concomitant mitral valve surgery is described and the outcome of our first 25 patients reported.

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Objectives: Aortic valve replacement (AVR) via minimally invasive surgery (MIS) may provide clinical benefits in patients with aortic valve disease. A new class of bioprosthetic valves that enable rapid deployment AVR (RDAVR) may facilitate MIS. We here report the 1-year results of a randomized, multicentre trial comparing the outcomes for MIS-RDAVR with those for conventional AVR via full sternotomy (FS) with a commercially available stented aortic bioprosthesis.

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We present a case of a 67-year-old patient referred to our department with a pericardial mass lesion measuring 11 × 4 × 7.5 cm as diagnosed in computed tomography scan. The patient showed a history of progredient dyspnea.

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The choice of prosthetic heart valve type is largely dependent upon patient's age at implantation and on what, in his eyes, seems more pertinent: avoidance of complications associated with anticoagulation of mechanical valves or structural valve deterioration of bioprosthetic valves. Long lasting and new promising concepts such as transcatheter aortic valve implantation are promoting the use of bioprosthesis even in younger patients. However, it is up to the individual patient to decide.

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A 78-year-old female patient who had undergone double valve replacement in 2010 presented in 2014 with severe New York Heart Association grade IV dyspnea. The decision was made to perform a transapical valve-in-valve transcatheter aortic valve implantation (TAVI) procedure in the mitral and aortic positions simultaneously. The postoperative course was uneventful, and the patient was extubated 6 hours after the TAVI procedure.

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Objectives: A single-center observational study was initialized to evaluate the feasibility of rapid deployment aortic valve replacement using the Edwards Intuity valve system (Edwards Lifesciences Corp, Irvine, Calif) in a minimally invasive setting. A total of 60 implantations have been performed at the Ruhr University Hospital Bergmannsheil using a minimal access technique. We present the first short-term and 12-month clinical and hemodynamic results.

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