Publications by authors named "Boekstegers P"

Article Synopsis
  • Atrial secondary tricuspid regurgitation (A-STR) is a subtype of secondary tricuspid regurgitation (STR) that is often treated with transcatheter tricuspid valve edge-to-edge repair (T-TEER), showing distinct patient characteristics and treatment outcomes.
  • A study involving 641 patients revealed that 31% had A-STR, which was linked to better heart function, a higher presence of atrial fibrillation, and more effective TR reduction post-procedure compared to nonatrial STR patients.
  • A-STR patients experienced improved survival rates and lower symptomatic burdens after treatment; only 38% remained symptomatic (NYHA class ≥III) after 2 years, compared to 46
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Article Synopsis
  • - The MITRA-PRO registry shows that evaluating residual mitral regurgitation (MR) using 3D-Vena Contracta Area (VCA) is key for predicting patient survival after mitral valve repairs (TEER).
  • - A study of 823 patients found that lower levels of residual MR (measured by 3D-VCA) correlate with reduced 1-year mortality, establishing 0.07 cm as a critical threshold for patient survival post-procedure.
  • - The findings suggest that 3D-VCA is an effective tool for assessing MR during TEER, with lower residual MR levels associated with better survival outcomes.
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Aims: Conventional parameters of right ventricular (RV) function are load-dependent and therefore do not accurately reflect contractility in patients with relevant tricuspid regurgitation (TR). RV adaptability to load has been characterized using the Dandel's index in patients with heart failure, but its prognostic value in patients undergoing tricuspid transcatheter edge-to-edge repair (T-TEER) has not been investigated so far.

Methods And Results: From the EuroTR registry (2019 to 2022), patients with complete datasets and a minimum of 2-years of follow-up were included.

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Article Synopsis
  • The study examined the effects of pulmonary hypertension (PH) on patients receiving transcatheter tricuspid valve edge-to-edge repair (T-TEER), focusing on survival rates and heart failure hospitalization outcomes.
  • Results showed that higher systolic pulmonary artery pressure (sPAP) was linked to increased risks of death or hospitalization within two years, with a notable threshold of sPAP > 46 mmHg identifying those at greater risk.
  • However, both the severity of heart failure symptoms and tricuspid regurgitation improved after T-TEER, regardless of whether patients had pre- or postcapillary PH.
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Background: Transcatheter edge-to-edge repair (TEER) has emerged to address symptomatic atrial functional mitral regurgitation (aFMR) in patients who are at high operative risk.

Aims: No clinical data is available on the impact of residual mitral regurgitation (MR) following TEER in aFMR compared to ventricular functional MR (vFMR).

Methods: In the MITRA-PRO registry, 846 patients with FMR and MitraScore assessment for residual MR quantification were included (722 patients with vFMR and 124 patients with aFMR).

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Article Synopsis
  • A study in Germany compared two treatments for heart failure patients with secondary mitral regurgitation: transcatheter edge-to-edge repair and surgical mitral-valve repair or replacement.
  • The trial involved 210 patients and assessed outcomes like death, hospitalizations, and major adverse events, finding that transcatheter repair had similar efficacy but significantly fewer safety issues than surgery.
  • Results showed that transcatheter edge-to-edge repair was noninferior to the surgical approach, indicating it might be a safer alternative for this patient group.
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Aims: Data on the prognostic impact of residual tricuspid regurgitation (TR) after tricuspid transcatheter edge-to-edge repair (T-TEER) are scarce. The aim of this analysis was to evaluate 2-year survival and symptomatic outcomes of patients in relation to residual TR after T-TEER.

Methods And Results: Using the large European Registry of Transcatheter Repair for Tricuspid Regurgitation (EuroTR registry) we investigated the impact of residual TR on 2-year all-cause mortality and New York Heart Association (NYHA) functional class at follow-up.

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Background: The location and severity of vascular calcification may influence closure device success in transfemoral transcatheter aortic valve implantation. The aim of this study was to analyze effects of vascular access-site calcification on vascular and bleeding outcomes post-transcatheter aortic valve implantation.

Methods: The Randomized Comparison of CatHeter-based Strategies fOr Interventional ACcess SitE CLOSURE during Transfemoral Transcatheter Aortic Valve Implantation (CHOICE-CLOSURE) trial assigned 516 patients to access site closure using a pure plug-based technique (MANTA, Teleflex) or a primary suture-based technique (ProGlide, Abbott Vascular).

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Background And Aims: Risk stratification for mitral valve transcatheter edge-to-edge repair (M-TEER) is paramount in the decision-making process to appropriately select patients with severe secondary mitral regurgitation (SMR). This study sought to develop and validate an artificial intelligence-derived risk score (EuroSMR score) to predict 1-year outcomes (survival or survival + clinical improvement) in patients with SMR undergoing M-TEER.

Methods: An artificial intelligence-derived risk score was developed from the EuroSMR cohort (4172 and 428 patients treated with M-TEER in the derivation and validation cohorts, respectively).

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Background: The CLASP IID (Edwards PASCAL TrAnScatheter Valve RePair System Pivotal Clinical) trial is the first randomized controlled trial comparing the PASCAL system and the MitraClip system in prohibitive risk patients with significant symptomatic degenerative mitral regurgitation (DMR).

Objectives: The study sought to report primary and secondary endpoints and 1-year outcomes for the full cohort of the CLASP IID trial.

Methods: Prohibitive-risk patients with 3+/4+ DMR were randomized 2:1 (PASCAL:MitraClip).

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Background: Residual mitral regurgitation (MR) is thought to be an important predictor of long-term survival following transcatheter edge-to-edge repair (TEER). Intraprocedural MR assessment using transesophageal echocardiography could be limited by image quality, hemodynamics, and patient sedation. The MitraScore is a validated multimodal approach for intraprocedural MR assessment during TEER.

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Background: Transcatheter treatment techniques for tricuspid regurgitation (TR) have evolved in recent years, with leaflet repair being the most commonly used, but thus far evidence on the PASCAL and PASCAL Ace system is based mainly on compassionate use data.

Objectives: This is the first report on commercial use in a multicenter study with a large patient cohort investigating the safety and efficacy of the PASCAL and PASCAL Ace system in the treatment of TR.

Methods: In a retrospective, multicenter, observational setting, data from all consecutive patients undergoing leaflet repair for TR at 8 centers was collected, including a centralized analysis of echocardiographic data.

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Transcatheter edge-to-edge repair (TEER) has emerged to address severe mitral and tricuspid valve regurgitation in patients who are at high perioperative risk for open-heart surgery. No clinical data is available for continuous left and right atrial pressure monitoring using the steerable guiding catheter (SGC) during TEER. In a prospective single-center study, 40 patients with severe mitral (n = 20) or tricuspid (n = 20) regurgitation underwent TEER with the registration of atrial pressure via the SGC.

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Infective endocarditis (IE) following mitral valve edge-to-edge repair is a rare complication with high mortality. A 91-year-old male patient was admitted to intensive care unit with sepsis due to urinary tract infection after insertion of a urinary catheter by the outpatient urologist. Two weeks ago, the patient was discharged from hospital after successful transcatheter edge-to-edge mitral valve repair (TEER) using a PASCAL Ace device.

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Background: Transcatheter aortic valve replacement is an established treatment option for patients with severe symptomatic aortic stenosis and is most commonly performed through the transfemoral access route. Percutaneous access site closure can be achieved using dedicated plug-based or suture-based vascular closure device (VCD) strategies, but randomized comparative studies are scarce.

Methods: The CHOICE-CLOSURE trial (Randomized Comparison of Catheter-based Strategies for Interventional Access Site Closure during Transfemoral Transcatheter Aortic Valve Implantation) is an investigator-initiated, multicenter study, in which patients undergoing transfemoral transcatheter aortic valve replacement were randomly assigned to vascular access site closure using either a pure plug-based technique (MANTA, Teleflex) with no additional VCDs or a primary suture-based technique (ProGlide, Abbott Vascular) potentially complemented by a small plug.

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Background: In acute myocardial infarction complicated by cardiogenic shock the use of mechanical circulatory support devices remains controversial and data from randomized clinical trials are very limited. Extracorporeal life support (ECLS) - venoarterial extracorporeal membrane oxygenation - provides the strongest hemodynamic support in addition to oxygenation. However, despite increasing use it has not yet been properly investigated in randomized trials.

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Background: Left atrial (LA) dimension is a marker of disease severity and outcome in primary and secondary mitral regurgitation. In transcatheter mitral valve repair, LA enlargement might additionally impact on device handling and technical success through an altered anatomy and atrial annular dilatation.

Methods And Results: Data from the multicentre German TRAnscatheter Mitral valve Interventions registry (TRAMI) were used to analyse the association of baseline LA diameter by tertiles with efficacy, safety and long-term clinical outcome in patients undergoing edge-to-edge repair with MitraClip.

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Background: Underweight and obesity represent classical risk factors for adverse outcome in patients treated for cardiovascular disease.

Aims: The current analysis examines the impact of underweight, overweight and obesity on intra-hospital, short and long-term outcomes in patients treated by MitraClip therapy.

Methods And Results: From August 2010 until July 2013, 799 patients (age 75.

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Objectives: The aim of this study was to retrospectively compare the characteristics, procedural courses, and outcomes of patients presenting with concomitant mitral regurgitation (MR) and tricuspid regurgitation (TR) in the TriValve (Transcatheter Tricuspid Valve Therapies) and TRAMI (Transcatheter Mitral Valve Interventions) registries.

Background: Transcatheter mitral edge-to-edge valve repair (TMVR) has been shown to be successful in patients with severe MR. Lately, edge-to-edge repair has also emerged as a possible treatment for severe TR in patients at high risk for cardiac surgery.

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Article Synopsis
  • This study aimed to compare clinical outcomes of patients with and without peripheral artery disease (PAD) in a trial assessing the effects of bivalirudin versus unfractionated heparin (UFH) during transcatheter aortic valve replacement (TAVR).
  • Among 802 patients, those with PAD showed a higher occurrence of vascular complications compared to those without PAD, but mortality and major adverse events were similar regardless of the anticoagulant used.
  • While bivalirudin did not increase the risk of major complications in patients with PAD, it was linked to a higher rate of minor vascular issues after 30 days.
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Objectives: To compare baseline characteristics and outcomes in patients treated with either 1 or 2 MitraClips in the German TRAMI (Transcatheter Mitral Valve Interventions) registry.

Background: The MitraClip community seems to silently assume that results should intrinsically be better after implantation of more than one clip, although data is still sparse.

Methods: In 2010-2013, 803 patients were enrolled prospectively into TRAMI (461 one-clip and 312 two-clip procedures).

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This short review article aims to explain the changes in the treatment strategies of interventional care designed to treat secondary mitral valve regurgitation with edge-to-edge repair in comparison to the position paper published in 2013 by the German Society of Cardiology and the German Society of Thoracic and Cardiovascular Surgery. To this end the current data situation with respect to the European Society of Cardiology (ESC) guidelines from 2017, the intraprocedural assessment of mitral valve regurgitation and new technical developments are discussed.

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