Martin Geyer
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View article: Stenosis quantification in high-pitch photon-counting coronary CT angiography: in vitro and in vivo impact of reconstruction kernel types and sharpness levels
Stenosis quantification in high-pitch photon-counting coronary CT angiography: in vitro and in vivo impact of reconstruction kernel types and sharpness levels Open
Background We investigated the influence of different kernel types and sharpness levels on in vitro and in vivo coronary stenosis quantification in high-pitch photon-counting detector coronary CT angiography (PCD-CCTA). Materials and metho…
View article: Transcatheter edge‐to‐edge repair of atrial secondary mitral regurgitation positively influences atrial remodelling
Transcatheter edge‐to‐edge repair of atrial secondary mitral regurgitation positively influences atrial remodelling Open
Background Atrial secondary mitral valve regurgitation (ASMR) is a distinct anatomical subset of secondary mitral regurgitation (SMR). Evidence of the effect of transcatheter edge‐to‐edge repair (TEER) on left atrial (LA) anatomy and funct…
View article: Impact of diabetes mellitus on long-term survival after transcatheter mitral valve edge-to-edge repair
Impact of diabetes mellitus on long-term survival after transcatheter mitral valve edge-to-edge repair Open
Although linked to a more vulnerable clinical profile and despite being factored in common risk factor models, DM was not associated with an elevated short- and long-term mortality after TEER of MR.
View article: Annotated image dataset with different stages of European pear rust for UAV-based automated symptom detection in orchards
Annotated image dataset with different stages of European pear rust for UAV-based automated symptom detection in orchards Open
The evaluation of fruit genetic resources regarding a resistance to pathogens is an essential basis for subsequent selection in fruit breeding. Both genetic analysis and phenotyping of defined traits are important tools and provide decisio…
View article: Initial Multicenter Experience With a Novel Self-Expanding TAVR System in Patients With Aortic Valve Stenosis
Initial Multicenter Experience With a Novel Self-Expanding TAVR System in Patients With Aortic Valve Stenosis Open
Treatment of AS patients with this novel transfemoral THV system is safe and effective. The JVT offers an excellent alternative to established transcatheter aortic valve replacement prostheses for patients with AS.
View article: Femoral or Radial Secondary Access in TAVR
Femoral or Radial Secondary Access in TAVR Open
During transfemoral TAVR, TR-SA was associated with lower rates of access site complications and severe bleeding compared to TF-SA. In fact, secondary access-related complications were 10× higher for TF-SA and frequently required invasive …
View article: Contemporary implantation protocols enable markedly lower pacemaker rate for selfexpandable TAVR
Contemporary implantation protocols enable markedly lower pacemaker rate for selfexpandable TAVR Open
Background Even in a low-risk cohort, the Evolut low-risk trial has reported a still rather high pacemaker implantation rate over 20%. In the recent years, contemporary implantation protocols have been introduced aiming on a higher implant…
View article: Transcatheter Valve Repair in Heart Failure with Moderate to Severe Mitral Regurgitation
Transcatheter Valve Repair in Heart Failure with Moderate to Severe Mitral Regurgitation Open
Among patients with heart failure with moderate to severe functional mitral regurgitation who received medical therapy, the addition of transcatheter mitral-valve repair led to a lower rate of first or recurrent hospitalization for heart f…
View article: Hospitalization of Symptomatic Patients With Heart Failure and Moderate to Severe Functional Mitral Regurgitation Treated With MitraClip
Hospitalization of Symptomatic Patients With Heart Failure and Moderate to Severe Functional Mitral Regurgitation Treated With MitraClip Open
These results indicate that a broader application of M-TEER in addition to optimal guideline-directed medical therapy should be considered among patients with symptomatic HF and moderate to severe FMR, particularly in those with a history …
View article: Annotated image dataset of fire blight symptoms for object detection in orchards
Annotated image dataset of fire blight symptoms for object detection in orchards Open
The monitoring of plant diseases in nurseries, breeding farms and orchards is essential for maintaining plant health. Fire blight (Erwinia amylovora) is still one of the most dangerous diseases in fruit production, as it can spread epidemi…
View article: Prospective ECG-gated High-Pitch Photon-Counting CT Angiography: Evaluation of measurement accuracy for aortic annulus sizing in TAVR planning
Prospective ECG-gated High-Pitch Photon-Counting CT Angiography: Evaluation of measurement accuracy for aortic annulus sizing in TAVR planning Open
PCD-CT-based prospective ECG-gated high-pitch scans with targeted systolic acquisition at the level of the aortic valve can simultaneously visualize TAVR access routes and accurately measure systolic annulus size. This approach could aid i…
View article: Baseline echocardiographic characteristics of patients enrolled in the randomized investigation of MitraClip device in heart failure (RESHAPE HF-2) trial: comparison with COAPT and Mitra-FR
Baseline echocardiographic characteristics of patients enrolled in the randomized investigation of MitraClip device in heart failure (RESHAPE HF-2) trial: comparison with COAPT and Mitra-FR Open
Background: The RESHAPE-HF2 trial is aimed at evaluating the efficacy of the MitraClip device for the treatment of clinically significant functional mitral regurgitation (FMR) in patients with heart failure (HF). This report describes the …
View article: Percutaneous repair of moderate‐to‐severe or severe functional mitral regurgitation in patients with symptomatic heart failure: Baseline characteristics of patients in the <scp>RESHAPE‐HF2</scp> trial and comparison to <scp>COAPT</scp> and <scp>MITRA‐FR</scp> trials
Percutaneous repair of moderate‐to‐severe or severe functional mitral regurgitation in patients with symptomatic heart failure: Baseline characteristics of patients in the <span>RESHAPE‐HF2</span> trial and comparison to <span>COAPT</span> and <span>MITRA‐FR</span> trials Open
Aim The RESHAPE‐HF2 trial is designed to assess the efficacy and safety of the MitraClip device system for the treatment of clinically important functional mitral regurgitation (FMR) in patients with heart failure (HF). This report describ…
View article: Outcomes of COMBO therapy for severe mitral regurgitation compared with transcatheter edge-to-edge repair
Outcomes of COMBO therapy for severe mitral regurgitation compared with transcatheter edge-to-edge repair Open
Background There are different types of transcatheter mitral valve repair (TMVr) currently in clinical use, including leaflet approximation, annular cinching, and restoration of the chordal apparatus of the mitral valve (MV). While the con…
View article: Antithrombotic therapy and assessment for bleeding diathesis in elective gastrointestinal endoscopy - Expert Opinion Statement on behalf of the Swiss Society of Gastroenterology.
Antithrombotic therapy and assessment for bleeding diathesis in elective gastrointestinal endoscopy - Expert Opinion Statement on behalf of the Swiss Society of Gastroenterology. Open
Antithrombotic therapy and assessment for bleeding diathesis in elective gastrointestinal endoscopy - Expert Opinion Statement on behalf of the Swiss Society of Gastroenterology.
View article: 3-Dimensional CT Planning for TAVR With a Novel Self-Expandable Valve in a Calcified Anatomy
3-Dimensional CT Planning for TAVR With a Novel Self-Expandable Valve in a Calcified Anatomy Open
Recently, a novel transfemoral self-expandable valve (JenaValve Trilogy) was granted a CE mark as a dedicated device for transfemoral treatment of both aortic valve stenosis and regurgitation. Here, we highlight the importance of 3-dimensi…
View article: “Piggyback Pigtails”: Simplifying secondary transradial access for TAVR
“Piggyback Pigtails”: Simplifying secondary transradial access for TAVR Open
Minimalist approaches have evolved for TAVR over the last years with impact on in‐hospital stay and patient safety. As part of this concept, transradial secondary arterial access is capable of reducing vascular and bleeding complications. …
View article: Two-Year Outcomes for Tricuspid Repair With a Transcatheter Edge-to-Edge Valve Repair From the Transatlantic TRILUMINATE Trial
Two-Year Outcomes for Tricuspid Repair With a Transcatheter Edge-to-Edge Valve Repair From the Transatlantic TRILUMINATE Trial Open
BACKGROUND: Tricuspid regurgitation (TR) is a common and progressive valve disease with significant mortality and hospitalization burden. Tricuspid transcatheter edge-to-edge repair provides a treatment option for high-risk patients with p…
View article: Quality of life in patients with transcatheter aortic valve implantation: an analysis from the INTERVENT project
Quality of life in patients with transcatheter aortic valve implantation: an analysis from the INTERVENT project Open
Background Transcatheter aortic valve implantation (TAVI) is a standard treatment for patients with aortic valve stenosis due to its very low mortality and complication rates. However, survival and physical integrity are not the only impor…
View article: Reverse cardiac remodeling in patients undergoing combination therapy of transcatheter mitral valve repair
Reverse cardiac remodeling in patients undergoing combination therapy of transcatheter mitral valve repair Open
Aims For patients with severe mitral valve regurgitation (MR), different kinds of transcatheter mitral valve repair (TMVr) exist, targeting the leaflets, annulus, and chordae. The concomitant combination (COMBO) therapy of TMVrs is rarely …
View article: Survival benefit of overweight patients undergoing MitraClip® procedure in comparison to normal‐weight patients
Survival benefit of overweight patients undergoing MitraClip® procedure in comparison to normal‐weight patients Open
Background The number of MitraClip® implantations increased significantly in recent years. Data regarding the impact of weight class on survival are sparse. Hypothesis We hypothesized that weight class influences survival of patients treat…
View article: Right ventricular dysfunction predicts outcome after transcatheter mitral valve repair for primary mitral valve regurgitation
Right ventricular dysfunction predicts outcome after transcatheter mitral valve repair for primary mitral valve regurgitation Open
Aims Right ventricular dysfunction (RVD), as expressed by right ventricular to pulmonary artery coupling, has recently been identified as a strong outcome predictor in patients undergoing mitral valve edge‐to‐edge repair (M‐TEER) for secon…
View article: Use of intravascular ultrasound for optimal vessel sizing in chronic total occlusion percutaneous coronary intervention
Use of intravascular ultrasound for optimal vessel sizing in chronic total occlusion percutaneous coronary intervention Open
Aim The aim of this study is to provide evidence on how use of standardized intravascular ultrasound (IVUS) use impacts stent size choice in the setting of chronic total occlusion (CTO) percutaneous coronary intervention (PCI) compared to …
View article: Percutaneous coronary intervention for chronic total occlusion in octogenarians: a propensity score study
Percutaneous coronary intervention for chronic total occlusion in octogenarians: a propensity score study Open
Feasibility and efficacy of complex percutaneous coronary intervention (PCI) in the elderly, a more frail population due to more comorbidities is incompletely understood. We therefore set out to compare success and complication rate of PCI…
View article: Transgastric imaging—The key to successful periprocedural TEE guiding for edge‐to‐edge repair of the tricuspid valve
Transgastric imaging—The key to successful periprocedural TEE guiding for edge‐to‐edge repair of the tricuspid valve Open
Intraprocedural transesophageal echocardiography (TEE) guidance plays an essential role in transcatheter repair therapy of the tricuspid valve (TV). So far, several different imaging concepts are in use. We propose an imaging protocol that…
View article: Impact of gender on long-term prognosis after transcatheter edge-to-edge repair for mitral regurgitation
Impact of gender on long-term prognosis after transcatheter edge-to-edge repair for mitral regurgitation Open
Background A symptomatic and prognostic benefit by Transcatheter edge-to-edge repair (TEER) for mitral regurgitation (MR) has been proven. A variety of individual factors including female sex has been suggested to be associated with advers…