Matevž Jan

ORCID: 0000-0002-6379-9986
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About
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Research Areas
  • Cardiac Arrhythmias and Treatments
  • Atrial Fibrillation Management and Outcomes
  • Cardiac pacing and defibrillation studies
  • Cardiac electrophysiology and arrhythmias
  • Cardiovascular Syncope and Autonomic Disorders
  • Vascular anomalies and interventions
  • Venous Thromboembolism Diagnosis and Management
  • Cardiac Structural Anomalies and Repair
  • Congenital Heart Disease Studies
  • Central Venous Catheters and Hemodialysis
  • Cardiovascular Effects of Exercise
  • Antiplatelet Therapy and Cardiovascular Diseases
  • Cardiac Valve Diseases and Treatments
  • Cardiovascular Issues in Pregnancy
  • Cardiac Imaging and Diagnostics
  • Ultrasound in Clinical Applications
  • Aortic Disease and Treatment Approaches
  • Infective Endocarditis Diagnosis and Management
  • Ion channel regulation and function
  • Cold Atom Physics and Bose-Einstein Condensates
  • Neurological disorders and treatments
  • Cardiovascular Function and Risk Factors
  • Vascular Procedures and Complications
  • Electrostatic Discharge in Electronics
  • Muscle activation and electromyography studies

Ljubljana University Medical Centre
2013-2024

University Medical Center
2017

Šolski center Slovenj Gradec
2008

Abstract Aims Primary prevention patients with ischaemic cardiomyopathy and chronic total occlusion of an infarct-related coronary artery (CTO) are at a particularly high risk implantable cardioverter-defibrillator (ICD) therapy occurrence. The trial was designed to evaluate the efficacy preventive CTO-related substrate ablation strategy in undergoing primary ICD implantation. Methods results PREVENTIVE VT study prospective, multicentre, randomized including ejection fraction ≤40%, no...

10.1093/europace/euae109 article EN cc-by EP Europace 2024-04-24

Background: His bundle pacing (HBP) is a physiological alternative to biventricular (BiV) pacing. We compared short-term results of both approaches in symptomatic atrial fibrillation (AF) patients with moderately reduced left ventricular (LV) ejection fraction (EF ≥35% and <50%) narrow QRS (≤120 ms) who underwent atrioventricular node ablation (AVNA).Methods: Thirty consecutive AF received BiV or HBP conjunction AVNA between May 2015 January 2020 were retrospectively assessed....

10.1080/00015385.2021.1903196 article EN cc-by-nc-nd Acta Cardiologica 2021-06-02

Abstract Introduction Frequent ventricular premature complexes (VPCs) may cause symptoms and/or lead to deterioration of LV systolic function. Although frequent VPCs be abolished by catheter ablation, it challenging in case their origin from the papillary muscles (PMs). Our collaborative study aimed analyze detail site and outcome ablation. Methods Consecutive 34 patients (males: 68%; aged 62 ± 12 years; ejection fraction: 50 9%) undergoing ablation originating PMs were included. All...

10.1111/jce.13338 article EN Journal of Cardiovascular Electrophysiology 2017-09-08

While catheter ablation (CA) is an established treatment for symptomatic paroxysmal atrial fibrillation (AF), convergent epicardial and endocardial procedure (CVP) has been primarily used to treat persistent AF. The aim of this single-center, prospective, randomized study was compare efficacy CA CVP in AF patients by monitoring AF, tachycardia (AT), flutter (AFL) recurrence with Implantable Loop Recorder (ILR).Fifty (74% male) history were between CVP. Outcomes determined ILRs; every episode...

10.1111/jce.13625 article EN Journal of Cardiovascular Electrophysiology 2018-05-03

Catheter ablation (CA) of supraventricular tachycardias (SVTs) is conventionally performed with the aid X-ray fluoroscopy. Usage a three-dimensional (3D) electro-anatomical mapping (EAM) system and intracardiac echocardiography (ICE) enables zero-fluoroscopy ablation, eliminating harmful effects radiation. We retrospectively analyzed feasibility, effectiveness safety radiofrequency cryoablation various types SVTs in pediatric patients. Overall, 171 consecutive patients (12.5 ± 3.9 years),...

10.3390/children10091513 article EN cc-by Children 2023-09-06

Abstract Background Right free wall accessory pathways (AP) are difficult to treat with catheter ablation as (AC) instability at the tricuspid annulus often precludes successful procedure. The aim of our study was test a novel intra-cardiac echocardiography (ICE) guided technique for AC placement. Feasibility and success rates were observed. Methods Eight consecutive patients (aged 29 ± 21 years, 4 female) Wolff-Parkinson-White syndrome right AP included in study. ICE, three-dimensional (3D)...

10.1186/s12872-020-01494-1 article EN cc-by BMC Cardiovascular Disorders 2020-05-06

The aim of this study was to evaluate the safety and efficacy zero-fluoroscopy (ZF) catheter ablation (CA) for supraventricular tachycardias (SVT).584 consecutive patients referred our institution CA SVT were analysed. Patients categorised into two groups; group conventional fluoroscopy (CF) group. ZF further divided subgroups (adults paediatric). Patient characteristics, procedural information, follow-up data compared.The had a higher proportion paediatric (42.2% vs 0.0%; p < 0.001),...

10.1186/s12872-022-02544-6 article EN cc-by BMC Cardiovascular Disorders 2022-03-13

Abstract Objectives To assess neurohormonal activation of cardiac failure in adults with congenitally corrected transposition, and to determine the most sensitive marker for recognition failure. Background The onset morphologically right ventricular dysfunction is unpredictable patients combination discordant atrioventricular ventriculo-arterial connections, its markers are unknown. Methods We measured amino terminal pro brain natriuretic peptide 19 patients, aged 35 plus or minus 13.1...

10.1017/s1047951108003119 article EN Cardiology in the Young 2008-10-02

Pediatric patients with complete congenital atrio-ventricular (AV) block are generally exposed to life-long dyssynchronous right ventricular (RV) pacing. His bundle pacing (HBP) is an alternative method of that better restores physiological activation which could prevent pacing-induced cardiomyopathy. We present a case 5-year-old child AV who underwent successful permanent HBP implantation. Three-dimensional electro-anatomical mapping system was used facilitate the procedure and reduce...

10.1111/pace.14112 article EN Pacing and Clinical Electrophysiology 2020-10-29

Intracardiac echocardiography (ICE) has become an all-round tool for ablation of atrial fibrillation (AF) since it plays important role in all procedural steps. The key upgrade to the usefulness ICE is its integration into three-dimensional (3D) electroanatomic mapping (EAM) system (ICE/EAM automatic system). aim this single-center retrospective study was evaluate feasibility, safety and acute efficacy ICE/EAM guided fluoroless AF.The included patients with symptomatic paroxysmal or...

10.1111/pace.14315 article EN Pacing and Clinical Electrophysiology 2021-07-10

Abstract Background Conventional fluoroscopy guided catheter ablation (CA) is an established treatment option for ventricular arrhythmias (VAs). However, with the complex nature of most procedures, patients and staff bare increased radiation exposure. Near-zero or zero-fluoroscopy CA alternative method which could substantially reduce even eliminate dose. Our aim was to analyse procedural outcomes minimising approach VAs in structurally normal hearts (SNH) structural heart disease (SHD)....

10.1186/s12872-021-02120-4 article EN cc-by BMC Cardiovascular Disorders 2021-06-16

Periprocedural pulmonary vein isolation (PVI) anticoagulation requires balancing between bleeding and thromboembolic risk. Intraprocedural is monitored by activated clotting time (ACT) with target value >300 s, there are no guidelines specifying an initial unfractionated heparin (UFH) dose.We aimed to assess differences in ACT values UFH dosage during PVI patients on different oral anticoagulants. We conducted international, multi-center, registry-based study. Consecutive atrial fibrillation...

10.1002/clc.23681 article EN cc-by Clinical Cardiology 2021-07-01

: The aim of this single-center retrospective study was to evaluate the long-term outcomes after convergent procedure (CP) for treatment AF.

10.3390/jcm13185508 article EN Journal of Clinical Medicine 2024-09-18

Introduction: The aim of this study was to evaluate the safety and efficacy zero-fluoroscopy (ZF) catheter ablation (CA) for supraventricular tachycardias (SVT). Methods: 584 consecutive patients referred our institution CA SVT were analysed. Patients categorised into two groups; group conventional fluoroscopy (CF) group. ZF further divided subgroups (adults paediatric). Patient characteristics, procedural information, follow-up data compared. Results: had a higher proportion paediatric...

10.22541/au.170668936.64896950/v1 preprint EN Authorea (Authorea) 2024-01-31

The goal of this study is to document outcomes ablation for high-risk accessory pathways in paediatrics using 3D mapping systems with minimal zero fluoroscopy.

10.3390/jcm13226885 article EN Journal of Clinical Medicine 2024-11-15
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