Alexander Weymann
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View article: The Impact of Obesity on Durable Left Ventricular Assist Device Implantation: A Systematic Review and Meta‐Analysis
The Impact of Obesity on Durable Left Ventricular Assist Device Implantation: A Systematic Review and Meta‐Analysis Open
Background Obesity and advanced heart failure (HF) increasingly intersect in clinical practice, yet their combined influence on outcomes following durable left ventricular assist device (LVAD) implantation remains uncertain. Methods We con…
View article: Challenging the Paradigm: Long-Term Outcomes in Dialysis-Dependent Patients Undergoing CABG
Challenging the Paradigm: Long-Term Outcomes in Dialysis-Dependent Patients Undergoing CABG Open
Dialysis-dependent (DD) patients undergoing coronary artery bypass grafting (CABG) remain a particularly high-risk population with impaired outcomes despite advances in surgical techniques. In this single-center, retrospective cohort study…
View article: Longitudinal, Multicenter Study of Clinical Factors Impacting Health-Related Quality of Life in Pediatric Autoimmune Liver Disease
Longitudinal, Multicenter Study of Clinical Factors Impacting Health-Related Quality of Life in Pediatric Autoimmune Liver Disease Open
Background Children with autoimmune liver disease (AILD) face unique challenges that may impair their health-related quality of life (HRQoL). This multicenter, prospective, longitudinal study evaluated HRQoL over time and identified associ…
View article: Impact of Frailty in Patients With Continuous‐Flow Left Ventricular Assist Device Therapy in End‐Stage Heart Failure: A Systematic Review and Meta‐Analysis
Impact of Frailty in Patients With Continuous‐Flow Left Ventricular Assist Device Therapy in End‐Stage Heart Failure: A Systematic Review and Meta‐Analysis Open
Background Frailty, marked by increased vulnerability and reduced physiological reserve, is common in end‐stage heart failure patients. Continuous flow left ventricular assist devices (LVADs) have improved outcomes, but the impact of frail…
View article: Peritoneal Dialysis in Patients Supported by Left Ventricular Assist Device
Peritoneal Dialysis in Patients Supported by Left Ventricular Assist Device Open
Introduction Terminal heart failure is often associated with end‐stage kidney disease. Due to advantages concerning patient independence, peritoneal dialysis (PD) is an alternative to conventional hemodialysis treatment. As left ventricula…
View article: The Hannover Postinfarction Ventricular Septal Rupture Score: A New Scoring System Predicting 30-Day Mortality
The Hannover Postinfarction Ventricular Septal Rupture Score: A New Scoring System Predicting 30-Day Mortality Open
The HpiVSR Score enables a more reliable and accurate prediction of 30-day mortality than the EuroSCOREs using 7 significant, objective, reliable, and preoperatively determinable variables. Because of the small sample size of the present s…
View article: Extracorporeal membrane oxygenation as a bridge to transplant in severe pulmonary hypertension
Extracorporeal membrane oxygenation as a bridge to transplant in severe pulmonary hypertension Open
OBJECTIVES Severe pulmonary hypertension (PH) is the leading indication for a lung transplant in younger patients. Despite the availability of validated risk scores, their influence on lung allocation has been negligible, with continued re…
View article: Optimizing Myocardial Protection in Minimally Invasive Cardiac Surgeries: A Network Comparison of Del Nido, Histidine-Tryptophan-Ketoglutarate, and Blood Cardioplegia
Optimizing Myocardial Protection in Minimally Invasive Cardiac Surgeries: A Network Comparison of Del Nido, Histidine-Tryptophan-Ketoglutarate, and Blood Cardioplegia Open
Background/Objectives: The optimal choice of cardioplegia solution in minimally invasive cardiac surgeries (MICS) remains debated, as prolonged myocardial protection is essential to avoid interruptions to the surgical flow, which can prolo…
View article: Can Obesity Serve as a Barrier to Minimally Invasive Mitral Valve Surgery? Overcoming the Limitations—A Multivariate Logistic Regression Analysis
Can Obesity Serve as a Barrier to Minimally Invasive Mitral Valve Surgery? Overcoming the Limitations—A Multivariate Logistic Regression Analysis Open
Background/Objectives: Over the past two decades, significant advancements in mitral valve surgery have focused on minimally invasive techniques. Some surgeons consider obesity as a relative contraindication for minimally invasive mitral v…
View article: Sutureless Aortic Valve Replacement with Perceval Bioprosthesis Superior to Transcatheter Aortic Valve Implantation: A Promising Option for the Gray-Zone of Aortic Valve Replacement Procedures—A State-of-the-Art Systematic Review, Meta-Analysis, and Future Directions
Sutureless Aortic Valve Replacement with Perceval Bioprosthesis Superior to Transcatheter Aortic Valve Implantation: A Promising Option for the Gray-Zone of Aortic Valve Replacement Procedures—A State-of-the-Art Systematic Review, Meta-Analysis, and Future Directions Open
Background: The management of patients with aortic valve pathologies can sometimes fall into a “gray zone”, where the optimal treatment approach is not straightforward. The comparative benefits of sutureless aortic valve replacement (SUAVR…
View article: Hypothermic Ventricular Fibrillation in Redo Minimally Invasive Mitral Valve Surgery: A Promising Solution for a Surgical Challenge
Hypothermic Ventricular Fibrillation in Redo Minimally Invasive Mitral Valve Surgery: A Promising Solution for a Surgical Challenge Open
Background: Minimally invasive mitral valve surgery (MIMVS) is a treatment for severe mitral valve pathologies. In redo cases, especially after coronary artery bypass grafting (CABG) surgery with patent mammary bypass grafts, establishing …
View article: Minimally Invasive Surgery through Right Mini-Thoracotomy for Mitral Valve Infective Endocarditis: Contraindicated or Safely Possible?
Minimally Invasive Surgery through Right Mini-Thoracotomy for Mitral Valve Infective Endocarditis: Contraindicated or Safely Possible? Open
Background: Mitral valve infective endocarditis (IE) still has a high mortality. Minimally invasive mitral valve surgery (MIMVS) is technically more challenging, especially in patients with endocarditis. Here, we compare the early postoper…
View article: Surgical Therapy of Infective Prosthesis Endocarditis following TAVI: A Single Center’s Experience
Surgical Therapy of Infective Prosthesis Endocarditis following TAVI: A Single Center’s Experience Open
Background/Objectives: Infective prosthesis endocarditis (IE) following transcatheter aortic valve implantation (TAVI) presents significant management challenges, marked by high mortality rates. This study reviews our center’s experience w…
View article: Minimally Invasive Direct Coronary Artery Bypass Grafting: Sixteen Years of Single-Center Experience
Minimally Invasive Direct Coronary Artery Bypass Grafting: Sixteen Years of Single-Center Experience Open
Background: Coronary artery disease is a major cause of death globally. Minimally invasive direct coronary artery bypass (MIDCAB), using a small left anterior thoracotomy, aims to provide a less invasive alternative to traditional procedur…
View article: Risk factors, prevention, and therapy of intraluminal stent thrombosis in frozen elephant trunk prostheses—what we know so far
Risk factors, prevention, and therapy of intraluminal stent thrombosis in frozen elephant trunk prostheses—what we know so far Open
Intraluminal thrombus formation (ILT) is a recently discovered and highly clinically relevant complication after frozen elephant trunk implantation in cardiovascular surgery. In this phenomenon, a thrombus forms within the lumen of the ste…
View article: Implementation of Endoscopic Minimally Invasive Mitral Valve Replacement Surgery With Automated Suturing Technology
Implementation of Endoscopic Minimally Invasive Mitral Valve Replacement Surgery With Automated Suturing Technology Open
In the evolving landscape of cardiac surgery, this article explores the potential of minimally invasive mitral valve replacement procedures as a viable alternative to conventional surgical techniques. Leveraging advancements in automated s…
View article: The Surgical Treatment of Infective Endocarditis: A Comprehensive Review
The Surgical Treatment of Infective Endocarditis: A Comprehensive Review Open
Infective endocarditis (IE) is a severe cardiac complication with high mortality rates, especially when surgical intervention is delayed or absent. This review addresses the expanding role of surgery in managing IE, focusing on the variati…
View article: Impact of Intercostal Artery Reinsertion on Neurological Outcome after Thoracoabdominal Aortic Replacement: A 25-Year Single-Center Experience
Impact of Intercostal Artery Reinsertion on Neurological Outcome after Thoracoabdominal Aortic Replacement: A 25-Year Single-Center Experience Open
Background: Intercostal artery reinsertion (ICAR) during thoracoabdominal aortic replacement remains controversial. While some groups recommend the reinsertion of as many arteries as possible, others consider the sacrifice of multiple inte…
View article: Antibacterial copper‐filled TiO<sub>2</sub> coating of cardiovascular implants to prevent infective endocarditis—A pilot study
Antibacterial copper‐filled TiO<sub>2</sub> coating of cardiovascular implants to prevent infective endocarditis—A pilot study Open
Background Infective endocarditis (IE) poses a significant health risk, especially in patients with prosthetic heart valves. Despite advances in treatment, mortality rates remain high. This study aims to investigate the antibacterial prope…
View article: Left ventricular assist device implantation and concomitant mitral valve surgery: A systematic review and meta‐analysis
Left ventricular assist device implantation and concomitant mitral valve surgery: A systematic review and meta‐analysis Open
Background The management of concomitant valvular lesions in patients undergoing left ventricular assist device (LVAD) implantation remains a topic of debate. This systematic review and meta‐analysis aimed to evaluate the existing evidence…
View article: Expanding the Minimally Invasive Approach towards the Ascending Aorta—A Practical Overview of the Currently Available Techniques
Expanding the Minimally Invasive Approach towards the Ascending Aorta—A Practical Overview of the Currently Available Techniques Open
Minimally invasive techniques have gained immense importance in cardiovascular surgery. While minimal access strategies for coronary and mitral valve surgery are already widely accepted and often used as standard approaches, the applicatio…
View article: Short-term mechanical support with the Impella 5.x for mitral valve surgery in advanced heart failure—protected cardiac surgery
Short-term mechanical support with the Impella 5.x for mitral valve surgery in advanced heart failure—protected cardiac surgery Open
Introduction Surgical treatment of patients with mitral valve regurgitation and advanced heart failure remains challenging. In order to avoid peri-operative low cardiac output, Impella 5.0 or 5.5 (5.x), implanted electively in a one-stage …
View article: Single-Center Real-World Experience with Sutureless Aortic Valve Prosthesis in Isolated and Combined Procedures
Single-Center Real-World Experience with Sutureless Aortic Valve Prosthesis in Isolated and Combined Procedures Open
Introduction: Due to their favourable hemodynamic performance and the ability to enable minimally invasive access procedures, sutureless aortic valve prostheses have found their place in the armamentarium of cardiothoracic surgeons. In thi…
View article: Introduction of machine perfusion of donor hearts in a single center in Germany
Introduction of machine perfusion of donor hearts in a single center in Germany Open
Ex vivo normothermic MP during organ procurement is a safe and promising technique to expand the donor pool. Reduction of cold ischemic time while providing additional donor heart assessment and reconditioning options increased the number …
View article: Sutureless Aortic Valve Prosthesis in Redo Procedures: Single-Center Experience
Sutureless Aortic Valve Prosthesis in Redo Procedures: Single-Center Experience Open
Background and Objectives: Sutureless aortic valve prostheses have presented favorable hemodynamic performance while facilitating minimally invasive access approaches. As the population ages, the number of patients at risk for aortic valve…
View article: Hepatopulmonary Syndrome with Noncirrhotic Portal Hypertension Diagnosed Following Acute SAR-CoV-2 Infection
Hepatopulmonary Syndrome with Noncirrhotic Portal Hypertension Diagnosed Following Acute SAR-CoV-2 Infection Open
Discussed is the case of a 13-year-old male with no significant past medical history, who presented to the hospital for evaluation of multisystem inflammatory syndrome in children (MIS-C). He arrived with findings of conjunctivitis, strawb…
View article: Prognostic value of mitral regurgitation in patients undergoing left ventricular assist device deployment: A systematic review and meta‐analysis
Prognostic value of mitral regurgitation in patients undergoing left ventricular assist device deployment: A systematic review and meta‐analysis Open
Background Left ventricular assist devices (LVADs) represent an important therapeutic option for patients progressing to end‐stage heart failure. LVAD has previously been shown to have a promising role in improving mitral regurgitation (MR…