Intrathoracic impedance monitoring to detect chronic heart failure deterioration: relationship to changes in NT-proBNPLars Lüthje
Herzzentrum Göttingen, Abteilung Kardiologie und Pneumologie, Georg August Universitat Gottingen, Robert Koch Str 40, 37075 Gottingen, Germany
Eur J Heart Fail 9:716-22. 2007
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- Unusual cause for an increase of the sensing integrity counter in a patient with inappropriate implantable cardioverter-defibrillator therapy
Dirk Vollmann
Abteilung Kardiologie und Pneumologie, Herzzentrum, Klinikum der Georg August Universität Göttingen, Robert Koch Strasse 40, 37075 Gottingen, Germany
Europace 9:275-7. 2007
..The coincidence of TWO and PVCs should therefore be considered as an uncommon cause for short ventricular sensed intervals in ICD patients presenting with a suspect increase in the SIC...
- Inappropriate therapy and fatal proarrhythmia by an implantable cardioverter-defibrillator
Dirk Vollmann
Department of Cardiology and Pneumology, Georg-August-University, , Germany
Heart Rhythm 2:307-9. 2005
- Patient Alert to detect ICD lead failure: efficacy, limitations, and implications for future algorithms
Dirk Vollmann
Abteilung Kardiologie und Pneumologie, Herzzentrum, Georg August Universitat Gottingen, Germany
Europace 8:371-6. 2006
..We aimed to determine the utility of Patient Alert for ICD lead-failure detection in a prospective study...
- Biventricular pacing improves the blunted force-frequency relation present during univentricular pacing in patients with heart failure and conduction delay
Dirk Vollmann
Department of Cardiology and Pneumology, Georg August University, Gottingen, Germany
Circulation 113:953-9. 2006
..We hypothesized that BiV and univentricular pacing differentially affect contractile function at increasing heart rates...
- Worldwide evaluation of a defibrillation lead with a small geometric electrode surface for high-impedance pacing
Dirk Vollmann
Herzzentrum, Georg August Universitat, Goettingen, Germany
Am Heart J 146:1066-70. 2003
..Pacing leads with a small electrode surface for high-impedance stimulation have been shown to prolong pacemaker longevity, but no sufficient data is available on the safety and feasibility of a defibrillation lead with this novel design...
- Subthreshold test pulses versus low energy shock delivery to estimate high energy lead impedance in implanted cardioverter defibrillator patients
Dirk Vollmann
Departments of Cardiology and Pneumology, Georg August Universitat, Gottingen, Germany
Pacing Clin Electrophysiol 26:457-60. 2003
..Safe and painless high energy impedance estimation with subthreshold pulses might, therefore, help to detect ICD lead failure during routine follow-up...
- Far-field oversensing of atrial signals: an unusual cause for very short V-V intervals and inappropriate implantable cardioverter defibrillator therapy
Dirk Vollmann
, Herzzentrum, , Robert-Koch-Strasse 40, , Germany
Europace 10:1009-11. 2008
- Inhibition of bradycardia pacing and detection of ventricular fibrillation due to far-field atrial sensing in a triple chamber implantable cardioverter defibrillator
Dirk Vollmann
Department of Cardiology and Pneumology, Georg August University, Gottingen, Germany
Pacing Clin Electrophysiol 25:1513-6. 2002
..Several factors contributed to the complication, which resolved after reduction of the ventricular sensitivity...
- Automatic atrial anti-tachy pacing for the termination of spontaneous atrial tachyarrhythmias: clinical experience with a novel dual-chamber pacemaker
D Vollmann
Department of Cardiology and Pneumology, Georg August University, Goettingen, Germany
J Interv Card Electrophysiol 5:477-85. 2001
..aATP was safe and had a success-rate of 44.7%, 2. aATP success-rate was higher for AT in the slower than in the faster detection zone and 3. automatic analysis overestimated the efficacy of aATP...
- Comparison of immediate and delayed automatic antitachycardia pacing for the termination of atrial tachyarrhythmias
Dirk Vollmann
Department of Cardiology and Pneumology, Georg August University, Gottingen, Germany
Europace 7:248-54. 2005
..Automatic atrial antitachycardia pacing (ATP) can terminate atrial tachyarrhythmias (ATs) in patients with an implanted device. We investigated if the programmable delay between AT onset and ATP influences therapy efficacy...
- Long-term clinical experience with the EGM width detection criterion for differentiation of supraventricular and ventricular tachycardia in patients with implantable cardioverter defibrillators
C Unterberg
University Clinic, Department of Cardiology, Robert Koch Strasse 40, D 37075 Gottingen, Germany
Pacing Clin Electrophysiol 23:1611-7. 2000
..7% in patients with stable width of the QRS complex in a 12-lead surface ECG. These data show that this criterion is not superior to data on rate dependent detection criteria and furthermore not applicable in patients with complete BBB...
- Long-term changes in sequence of atrial activation and refractory periods: no evidence for "atrial memory"
Dirk Vollmann
Department of Physiology, Cardiovascular Research Institute Maastricht, University of Maastricht, The Netherlands
Heart Rhythm 2:155-61. 2005
..The purpose of this study was to test whether the spatial distribution of the atrial refractory period (AERP) and the vulnerability to atrial fibrillation (AF) are altered by long-term changes in the sequence of atrial activation...
- Electrogram configuration and detection of supraventricular tachycardias by a morphology discrimination algorithm in single chamber ICDs
L Lüthje
Kardiologie und Pneumologie, Georg August Universitat Gottingen, Robert Koch Strasse 40, D 37099 Göttingen, Germany
Pacing Clin Electrophysiol 28:555-60. 2005
..For this analysis different EGM sources can be programmed. This study evaluates the performance of Wavelet using two different EGM configurations (SVC-Can and RV-Can) for the detection of exercise-induced SVT...
- Remote magnetic catheter navigation for cavotricuspid isthmus ablation in patients with common-type atrial flutter
Dirk Vollmann
Division of Cardiology and Pneumology, Heart Center, University of Gottingen, Gottingen, Germany
Circ Arrhythm Electrophysiol 2:603-10. 2009
..Remote magnetic catheter navigation (RMN) may provide benefits for different ablation procedures, but its efficacy for CTI ablation has not been evaluated in a randomized, controlled trial...
- Atrial overdrive pacing compared to CPAP in patients with obstructive sleep apnoea syndrome
Christina Unterberg
Department of Cardiology and Pneumology, , Robert-Koch-Str. 40, , Germany
Eur Heart J 26:2568-75. 2005
..CONCLUSION: Nocturnal atrial overdrive pacing is no alternative therapeutic strategy to CPAP for the treatment of OSA in patients without clinical signs of heart failure and without conventional indication for anti-bradycardia pacing...
- Cardiac resynchronization therapy and atrial overdrive pacing for the treatment of central sleep apnoea
Lars Lüthje
Kardiologie und Pneumologie, Georg August Universitat, Gottingen, Germany
Eur J Heart Fail 11:273-80. 2009
..We aimed to evaluate the effect of CRT alone and CRT + AOP on CSA in CHF patients and to compare the influence of CRT on CHF between CSA positive and CSA negative patients...
- 1-year performance of a defibrillation lead with a small electrode surface for high impedance pacing: a randomized, controlled study
Dirk Vollmann
Department of Cardiology and Pneumology, Georg-August-University, , Germany
Pacing Clin Electrophysiol 25:1577-82. 2002
..The use of a tined defibrillation lead with a small, steroid-eluting electrode tip appears safe and results in a high pacing impedance without compromising system performance...
- Enhanced detection of paroxysmal atrial fibrillation by early and prolonged continuous holter monitoring in patients with cerebral ischemia presenting in sinus rhythm
Raoul Stahrenberg
Department of Cardiology and Pneumology, Universitatsmedizin Gottingen, 37075 Gottingen, Germany
Stroke 41:2884-8. 2010
..Early initiation and prolongation of continuous Holter monitoring may improve diagnostic yield compared with the standard of care including a 24-hour Holter recording...
- Clinical utility of intrathoracic impedance monitoring to alert patients with an implanted device of deteriorating chronic heart failure
Dirk Vollmann
Herzzentrum, Abteilung Kardiologie und Pneumologie, Klinikum der Georg August Universität, Robert Koch Strasse 40, 37075 Gottingen, Germany
Eur Heart J 28:1835-40. 2007
..To evaluate the utility of intrathoracic impedance monitoring for detecting heart failure (HF) deterioration in patients with an implanted cardiac resynchronization/defibrillation device...
- Chronic atrial dilation, electrical remodeling, and atrial fibrillation in the goat
Hans-Ruprecht Neuberger
Department of Physiology, Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, The Netherlands
J Am Coll Cardiol 47:644-53. 2006
..Thus, in dilated atria a wider excitable gap exists during AF, probably caused by intra-atrial conduction defects and a higher contribution of anatomically defined re-entrant circuits...
- Takotsubo cardiomyopathy with an unusual pattern of regional left ventricular wall motion abnormalities
Claudia Dellas
Department of Cardiology and Pulmonology, Georg August University School of Medicine, 37099 Goettingen, Germany
Clin Res Cardiol 96:389-92. 2007
