Jian Chen

Summary

Affiliation: Institute of Medicine
Country: Norway

Publications

  1. doi request reprint Management of patients with ventricular tachycardia in Europe: results of the European Heart Rhythm Association survey
    Jian Chen
    Department of Heart Disease, Haukeland University Hospital and Department of Clinical Science, University of Bergen, N 5021 Bergen, Norway
    Europace 17:1294-9. 2015
  2. doi request reprint Catheter ablation for atrial fibrillation: results from the first European Snapshot Survey on Procedural Routines for Atrial Fibrillation Ablation (ESS-PRAFA) Part II
    Jian Chen
    Department of Heart Disease, Haukeland University Hospital, N 5021 Bergen, Norway Department of Clinical Science, University of Bergen, N 5021 Bergen, Norway
    Europace 17:1727-32. 2015
  3. doi request reprint Clinical management of arrhythmias in elderly patients: results of the European Heart Rhythm Association survey
    Jian Chen
    Department of Heart Disease, Haukeland University Hospital, N 5021 Bergen, Norway Department of Clinical Science, University of Bergen, N 5021 Bergen, Norway
    Europace 17:314-7. 2015
  4. doi request reprint Ventricular arrhythmias originating from the aortomitral continuity: an uncommon variant of left ventricular outflow tract tachycardia
    Jian Chen
    Department of Heart Disease, Haukeland University Hospital, Institute of Medicine, University of Bergen, N 5021 Bergen, Norway
    Europace 14:388-95. 2012
  5. ncbi request reprint A clinical study of patients with and without recurrence of paroxysmal atrial fibrillation after pulmonary vein isolation
    Jian Chen
    Institute of Medicine and Department of Heart Disease, Haukeland University Hospital, University of Bergen, Norway
    Pacing Clin Electrophysiol 28:S86-9. 2005
  6. doi request reprint [Magnetic navigation for ablation of cardiac arrhythmias]
    Jian Chen
    Hjerteavdelingen, Haukeland Universitetssykehus, 5021 Bergen, Norway
    Tidsskr Nor Laegeforen 130:1467-70. 2010
  7. doi request reprint Spatial relationships between the pulmonary veins and sites of complex fractionated atrial electrograms during atrial fibrillation
    Jian Chen
    Institute of Medicine and Department of Heart Disease, Haukeland University Hospital, University of Bergen, Bergen, Norway
    Pacing Clin Electrophysiol 32:S190-3. 2009
  8. doi request reprint Treatment of atrial fibrillation by silencing electrical activity in the posterior inter-pulmonary-vein atrium
    Jian Chen
    Department of Heart Disease, Haukeland University Hospital, Institute of Medicine, University of Bergen, N 5021 Bergen, Norway
    Europace 10:265-72. 2008
  9. ncbi request reprint Global right atrial mapping delineates double posterior lines of block in patients with typical atrial flutter: a study using a three dimensional noncontact mapping system
    Jian Chen
    Department of Heart Disease, Haukeland University Hospital, Bergen, Norway
    J Cardiovasc Electrophysiol 14:1041-8. 2003
  10. ncbi request reprint Three-dimensional noncontact mapping defines two zones of slow conduction in the circuit of typical atrial flutter
    Jian Chen
    Department of Heart Disease, Haukeland University Hospital, N 5021 Bergen, Norway
    Pacing Clin Electrophysiol 26:318-22. 2003

Collaborators

Detail Information

Publications35

  1. doi request reprint Management of patients with ventricular tachycardia in Europe: results of the European Heart Rhythm Association survey
    Jian Chen
    Department of Heart Disease, Haukeland University Hospital and Department of Clinical Science, University of Bergen, N 5021 Bergen, Norway
    Europace 17:1294-9. 2015
    ..A discreet attitude is adopted for catheter ablation in high-risk patients as demonstrated by a relatively low rate of catheter ablation. ..
  2. doi request reprint Catheter ablation for atrial fibrillation: results from the first European Snapshot Survey on Procedural Routines for Atrial Fibrillation Ablation (ESS-PRAFA) Part II
    Jian Chen
    Department of Heart Disease, Haukeland University Hospital, N 5021 Bergen, Norway Department of Clinical Science, University of Bergen, N 5021 Bergen, Norway
    Europace 17:1727-32. 2015
    ..Procedure-related complications seemed not to have declined. The centre volume played an important role in patient selection, strategy choice, and had impact on the rate of periprocedural complication. ..
  3. doi request reprint Clinical management of arrhythmias in elderly patients: results of the European Heart Rhythm Association survey
    Jian Chen
    Department of Heart Disease, Haukeland University Hospital, N 5021 Bergen, Norway Department of Clinical Science, University of Bergen, N 5021 Bergen, Norway
    Europace 17:314-7. 2015
    ....
  4. doi request reprint Ventricular arrhythmias originating from the aortomitral continuity: an uncommon variant of left ventricular outflow tract tachycardia
    Jian Chen
    Department of Heart Disease, Haukeland University Hospital, Institute of Medicine, University of Bergen, N 5021 Bergen, Norway
    Europace 14:388-95. 2012
    ..The objective is to describe the characteristics of ventricular arrhythmias originating from the AMC in patients without structural heart disease...
  5. ncbi request reprint A clinical study of patients with and without recurrence of paroxysmal atrial fibrillation after pulmonary vein isolation
    Jian Chen
    Institute of Medicine and Department of Heart Disease, Haukeland University Hospital, University of Bergen, Norway
    Pacing Clin Electrophysiol 28:S86-9. 2005
    ..05). PV isolation improved QOL in patients with PAF, including in patients with recurrences. The length of PAF history and observation of automatic foci may be of importance for recurrences of PAF during long-term follow-up...
  6. doi request reprint [Magnetic navigation for ablation of cardiac arrhythmias]
    Jian Chen
    Hjerteavdelingen, Haukeland Universitetssykehus, 5021 Bergen, Norway
    Tidsskr Nor Laegeforen 130:1467-70. 2010
    ..Subsequently, the method has been used for treatment of most types of tachyarrhythmias. This paper provides an overview of the method, with special emphasis on usefulness of a new remote-controlled magnetic navigation system...
  7. doi request reprint Spatial relationships between the pulmonary veins and sites of complex fractionated atrial electrograms during atrial fibrillation
    Jian Chen
    Institute of Medicine and Department of Heart Disease, Haukeland University Hospital, University of Bergen, Bergen, Norway
    Pacing Clin Electrophysiol 32:S190-3. 2009
    ..Complex fractionated atrial electrogram (CFAE) mapping has been introduced to guide AF ablation. However, the spatial relationship between PV and CFAE is not well defined...
  8. doi request reprint Treatment of atrial fibrillation by silencing electrical activity in the posterior inter-pulmonary-vein atrium
    Jian Chen
    Department of Heart Disease, Haukeland University Hospital, Institute of Medicine, University of Bergen, N 5021 Bergen, Norway
    Europace 10:265-72. 2008
    ..The recurrence of atrial fibrillation (AF) after pulmonary vein (PV) isolation is still a challenge. We investigated a new approach to treating AF patients by silencing electrical activity in the posterior inter-pulmonary-vein atrium (PIA)...
  9. ncbi request reprint Global right atrial mapping delineates double posterior lines of block in patients with typical atrial flutter: a study using a three dimensional noncontact mapping system
    Jian Chen
    Department of Heart Disease, Haukeland University Hospital, Bergen, Norway
    J Cardiovasc Electrophysiol 14:1041-8. 2003
    ..Double Posterior Lines of Block in Typical Atrial Flutter...
  10. ncbi request reprint Three-dimensional noncontact mapping defines two zones of slow conduction in the circuit of typical atrial flutter
    Jian Chen
    Department of Heart Disease, Haukeland University Hospital, N 5021 Bergen, Norway
    Pacing Clin Electrophysiol 26:318-22. 2003
    ..05). The septal part of the CTI (but not the lateral CTI) and the lateral wall are slow conduction zones in the atrial flutter circuit, and both may, therefore, be mechanically important for the development of atrial flutter...
  11. ncbi request reprint Identification of extremely slow conduction in the cavotricuspid isthmus during common atrial flutter ablation
    Jian Chen
    Department of Heart Disease, Haukeland University Hospital, Bergen, Norway
    J Interv Card Electrophysiol 7:67-75. 2002
    ..Complete isthmus block has been used as an endpoint for radiofrequency ablation for common atrial flutter (AF). We sought to systematically evaluate extremely slow conduction (ESC), which is easily misinterpreted as complete block...
  12. ncbi request reprint Acute resumption of conduction in the cavotricuspid isthmus after catheter ablation in patients with common atrial flutter. Real-time evaluation and long-term follow-up
    J Chen
    Department of Heart Disease, Haukeland University Hospital, Bergen, Norway
    Europace 4:255-63. 2002
    ..This study systematically sought to assess the prevalence and characteristics of acute CIC recovery during AFL ablation and to define its predictors and its relationship with the results of long-term follow-up...
  13. doi request reprint Long-term outcomes of adjunctive complex fractionated electrogram ablation to pulmonary vein isolation as treatment for non-paroxysmal atrial fibrillation
    Alessandro De Bortoli
    Department of Heart Disease, Haukeland University Hospital, 5021, Bergen, Norway
    J Interv Card Electrophysiol 38:19-26. 2013
    ..We studied the long-term outcomes of this approach...
  14. doi request reprint Ablation effect indicated by impedance fall is correlated with contact force level during ablation for atrial fibrillation
    Alessandro De Bortoli
    Department of Heart Disease, Haukeland University Hospital and Department of Clinical Science, University of Bergen, Bergen, Norway
    J Cardiovasc Electrophysiol 24:1210-5. 2013
    ..Previous studies have validated the use of impedance fall as a measure of the effects of ablation. We investigated whether catheter-to-tissue contact force correlated with impedance fall during atrial fibrillation ablation...
  15. doi request reprint Characteristics and distribution of complex fractionated atrial electrograms in patients with paroxysmal and persistent atrial fibrillation
    Eivind Solheim
    Department of Heart Disease, Haukeland University Hospital, 5021, Bergen, Norway
    J Interv Card Electrophysiol 28:87-93. 2010
    ..The purpose of this study was to investigate the different characteristics and distribution of complex fractionated atrial electrograms (CFAE) in both atria in patients with paroxysmal and persistent AF...
  16. doi request reprint N-terminal pro-B-type natriuretic peptide level at long-term follow-up after atrial fibrillation ablation: a marker of reverse atrial remodelling and successful ablation
    Eivind Solheim
    Institute of Medicine, University of Bergen, Bergen, Norway
    J Interv Card Electrophysiol 34:129-36. 2012
    ..We investigated the relationship between arrhythmia burden, left atrial volume (LAV) and N-terminal pro-B-type natriuretic peptide (NT-pro-BNP) at baseline and after long-term follow-up of atrial fibrillation (AF) ablation...
  17. pmc Remote magnetic versus manual catheters: evaluation of ablation effect in atrial fibrillation by myocardial marker levels
    Eivind Solheim
    Institute of Medicine, University of Bergen, Bergen, Norway
    J Interv Card Electrophysiol 32:37-43. 2011
    ..The myocardial markers were measured to compare the effects of the two types of MN catheters with those of a manual-irrigated catheter in AF ablation...
  18. ncbi request reprint Significance of late recurrence of atrial fibrillation during long-term follow-up after pulmonary vein isolation
    Eivind Solheim
    Institute of Medicine, Department of Heart Disease, Haukeland University Hospital, University of Bergen, Bergen, Norway
    Pacing Clin Electrophysiol 30:S108-11. 2007
    ..Although the recurrence rate after the procedure is relatively high, the long-term outcomes after initially recurrence-free procedures remains unclear. We examined the rates of recurrence of AF after PV isolation...
  19. doi request reprint Atrio-pulmonary vein conduction delay during pulmonary vein isolation for atrial fibrillation is related to vein anatomy, age, and focal activity
    Morten K Off
    Institute of Medicine, Department of Heart Disease, Haukeland University Hospital, University of Bergen, Bergen, Norway
    Pacing Clin Electrophysiol 32:S207-10. 2009
    ..During pulmonary vein isolation for treatment of atrial fibrillation (AF), a significant delay in atrio-pulmonary vein (PV) conduction is often observed. We sought to investigate this conduction delay in various PV in individual patients...
  20. doi request reprint Electroanatomical mapping and radiofrequency catheter ablation of atrial tachycardia originating from the donor heart after orthotopic heart transplantation in a child
    Eivind Solheim
    Institute of Medicine, Department of Heart Disease, Haukeland University Hospital, University of Bergen, NO 5021, Bergen, Norway
    J Interv Card Electrophysiol 25:73-7. 2009
    ..Two months after the ablation heart failure symptoms were in regress, and the patient was still in sinus rhythm...
  21. doi request reprint Current periprocedural management of ablation for atrial fibrillation in Europe: results of the European Heart Rhythm Association survey
    Jian Chen
    Department of Heart Disease, Haukeland University Hospital and Department of Clinical Science, University of Bergen, N 5021 Bergen, Norway
    Europace 16:378-81. 2014
    ..Differences between high- and low-volume centres are observed with respect to patient selection, antiarrhythmic drug management, and heparin bridging. ..
  22. doi request reprint Effect of flecainide on the extension and localization of complex fractionated electrogram during atrial fibrillation
    Alessandro De Bortoli
    Department of Heart Disease, Haukeland University Hospital and the Department of Clinical Science, University of Bergen, Bergen, Norway
    Scand Cardiovasc J 49:168-75. 2015
    ..We sought to determine the effect of flecainide on the distribution and extension of CFE areas...
  23. pmc 10-year follow-up after radiofrequency ablation of idiopathic ventricular arrhythmias from right ventricular outflow tract
    Synne Dragesund Rørvik
    Department of Clinical Science, University of Bergen, 5020, Bergen, Norway Electronic address
    Indian Pacing Electrophysiol J 16:88-91. 2016
    ..The aim of this study was to examine the effect of radiofrequency ablation (RFA) of ventricular arrhythmias from right ventricular outflow tract (RVOT) during long-term follow-up...
  24. ncbi request reprint Isthmus characteristics of reentrant ventricular tachycardia after myocardial infarction
    Christian de Chillou
    Department of Cardiology, University Hospital Nancy, Nancy, France
    Circulation 105:726-31. 2002
    ....
  25. ncbi request reprint [Curative treatment of paroxysmal atrial fibrillation with radiofrequency ablation]
    Per Ivar Hoff
    Hjerteavdelingen Haukeland, Universitetssykehus, 5021 Bergen
    Tidsskr Nor Laegeforen 124:625-8. 2004
    ..Atrial fibrillation is associated with increased morbidity and twice the mortality compared to individuals without fibrillation. Treatment with antiarrhythmic drugs has limited effect in paroxysmal atrial fibrillation...
  26. ncbi request reprint [Clinical observation on auxiliary effect of xiaochuan paste in preventing repeated respiratory infection in child]
    Jian Chen
    Zhongguo Zhong Xi Yi Jie He Za Zhi 22:620-1. 2002
  27. ncbi request reprint Bone marrow-derived cells are present in Mooren's ulcer
    Juan Ye
    Department of Ophthalmology, 2nd Affiliated Hospital of Zhejiang University, Hangzhou, Zhejiang, China
    Ophthalmic Res 36:151-5. 2004
    ..Specific therapeutic strategies that target the role of these cells in Mooren's ulcer are anticipated...
  28. ncbi request reprint Quantifying 3-D vascular structures in MRA images using hybrid PDE and geometric deformable models
    Jian Chen
    Cardiovascular Image Analysis Laboratory, Washington University School of Medicine, Box 8086, 660 S Euclid Ave, St Louis, MO 63110, USA
    IEEE Trans Med Imaging 23:1251-62. 2004
    ..Energy minimization is then performed within a variational setting with a first-order internal energy; the external energy is derived from 3-D image gradients. Using the proposed method, vessels are accurately segmented from MRA data...
  29. ncbi request reprint [Heart sound recognition algorithm based on mathematical morphology]
    Xingming Guo
    Key Laboratory for Biomechanics and Tissue Engineering, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China
    Sheng Wu Yi Xue Gong Cheng Xue Za Zhi 21:832-5. 2004
    ..The accuracy of recognition was 86%, and was 100% for the normal heart sound. The result showed that the algorithm proposed in this paper had high performance, which could be used as a basis for further analysis of heart sound...
  30. ncbi request reprint Inhomogeneity correction for brain magnetic resonance images by rank leveling
    Jian Chen
    Department of Neurosciences, Monash Medical Centre, Monash University, Clayton, Victoria, Australia
    J Comput Assist Tomogr 29:668-76. 2005
    ..The method addresses some of the problems of homomorphic unsharp masking (HUM) using mean or median filtering...
  31. ncbi request reprint Studying the explanatory capacity of artificial neural networks for understanding environmental chemical quantitative structure-activity relationship models
    Lei Yang
    Research Center for Green Chemistry and Technology, School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China
    J Chem Inf Model 45:1804-11. 2005
    ..We show that, by extending this approach to ANNs, the "black box" mechanics of ANNs can be greatly illuminated, thereby making it very useful in understanding environmental chemical QSAR models...
  32. ncbi request reprint High operative risk of cool-tip radiofrequency ablation for unresectable pancreatic head cancer
    Yulian Wu
    Department of Surgery, The Second Affiliated Hospital, College of Medicine, Zhejiang University, P R China
    J Surg Oncol 94:392-5. 2006
    ..To report and discuss the effect, complications and mortality of cool-tip radiofrequency ablation (RFA) for unresectable pancreatic cancer...
  33. ncbi request reprint Calculation for liquid-liquid equilibria of quaternary alkane-ethyl acetate-methanol-water systems used in counter-current chromatography
    Jian Chen
    State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
    J Chromatogr A 1151:60-4. 2007
    ..Detailed comparison with experimental data shows that liquid-liquid equilibria of these systems can be predicted with greatly improved accuracy as compared to the group contribution method (UNIFAC)...
  34. ncbi request reprint Rapid multi-modality preregistration based on SIFT descriptor
    Jian Chen
    Medical Image Processing Group, Key Laboratory of Complex Systems and Intelligence Science, Institute of Automation Chinese Academy of Science
    Conf Proc IEEE Eng Med Biol Soc 1:1437-40. 2006
    ..We also altered the descriptor so our method can deal with multimodality preregistration...
  35. doi request reprint MAGDM linear-programming models with distinct uncertain preference structures
    Zeshui S Xu
    Antai School of Economic and Management, Shanghai Jiaotong University, Shanghai 200052, China
    IEEE Trans Syst Man Cybern B Cybern 38:1356-70. 2008
    ..e., utility values, fuzzy preference relations, and multiplicative preference relations. Finally, we use a practical example to illustrate in detail the calculation process of the developed approach...