Olaf Oldenburg

Summary

Affiliation: Bad Oeynhausen
Country: Germany

Publications

  1. doi request reprint Complex sleep apnoea in congestive heart failure
    Thomas Bitter
    Department of Cardiology, Heart and Diabetes Centre NRW, Ruhr University Bochum, Georgstrasse 11, D 32545 Bad Oeynhausen, Germany
    Thorax 66:402-7. 2011
  2. ncbi request reprint Sleep-disordered breathing in patients with symptomatic heart failure: a contemporary study of prevalence in and characteristics of 700 patients
    Olaf Oldenburg
    Department of Cardiology, Heart and Diabetes Center North Rhine Westphalia, Bad Oeynhausen, Germany
    Eur J Heart Fail 9:251-7. 2007
  3. ncbi request reprint Pulmonary capillary wedge pressure and pulmonary arterial pressure in heart failure patients with sleep-disordered breathing
    Olaf Oldenburg
    Department of Cardiology, Heart and Diabetes Center North Rhine Westphalia, Ruhr University Bochum, Georgstrasse 11, D 32545 Bad Oeynhausen, Germany
    Sleep Med 10:726-30. 2009
  4. doi request reprint Cheyne-Stokes respiration in heart failure: cycle length is dependent on left ventricular ejection fraction
    Juliane Wedewardt
    Dept of Cardiology, Heart and Diabetes Centre North Rhine Westphalia, Ruhr University Bochum, Bad Oeynhausen, Germany
    Sleep Med 11:137-42. 2010
  5. doi request reprint Symptoms of sleep apnoea in chronic heart failure--results from a prospective cohort study in 1,500 patients
    Thomas Bitter
    Department of Cardiology, Heart and Diabetes Centre North Rhine Westphalia, Ruhr University Bochum, Bad Oeynhausen, Germany
    Sleep Breath 16:781-91. 2012
  6. doi request reprint Low night-to-night variability of sleep disordered breathing in patients with stable congestive heart failure
    Olaf Oldenburg
    Dept of Cardiology, Heart and Diabetes Center North Rhine Westphalia, Ruhr University Bochum, Georgstrasse 11, 32545, Bad Oeynhausen, Germany
    Clin Res Cardiol 97:836-42. 2008
  7. ncbi request reprint The potential of multi-slice computed tomography based volumetry for demonstrating reverse remodeling induced by cardiac resynchronization therapy
    Christoph Langer
    Department of Cardiology, Heart and Diabetes Center North Rhine Westphalia, University Hospital of the Ruhr University Bochum, Bad Oeynhausen, Germany
    Comput Med Imaging Graph 34:388-93. 2010
  8. doi request reprint Sleep-disordered breathing in heart failure with normal left ventricular ejection fraction
    Thomas Bitter
    Department of Cardiology, Heart and Diabetes Center North Rhine Westphalia, Ruhr University Bochum, Georgstasse 11, D 32545 Bad Oeynhausen, Germany
    Eur J Heart Fail 11:602-8. 2009
  9. doi request reprint Predictors of recurrence in patients undergoing cryoballoon ablation for treatment of atrial fibrillation: the independent role of sleep-disordered breathing
    Thomas Bitter
    Department of Cardiology, Heart and Diabetes Center North Rhine Westphalia, Ruhr University Bochum, Bad Oeynhausen, Germany
    J Cardiovasc Electrophysiol 23:18-25. 2012
  10. doi request reprint Peak systolic longitudinal strain of the lateral left ventricular wall improves after septal ablation for symptomatic hypertrophic obstructive cardiomyopathy: a follow-up study using speckle tracking echocardiography
    Lothar Faber
    Department of Cardiology, Heart and Diabetes Center North Rhine Westphalia, Ruhr University Bochum, GeorgStr 11, 32545 Bad Oeynhausen, Germany
    Int J Cardiovasc Imaging 27:325-33. 2011

Collaborators

Detail Information

Publications38

  1. doi request reprint Complex sleep apnoea in congestive heart failure
    Thomas Bitter
    Department of Cardiology, Heart and Diabetes Centre NRW, Ruhr University Bochum, Georgstrasse 11, D 32545 Bad Oeynhausen, Germany
    Thorax 66:402-7. 2011
    ..This study aims to determine the prevalence and predictors for complexSA in patients with CHF with OSA, and to assess the effects of treatment with adaptive servoventilation...
  2. ncbi request reprint Sleep-disordered breathing in patients with symptomatic heart failure: a contemporary study of prevalence in and characteristics of 700 patients
    Olaf Oldenburg
    Department of Cardiology, Heart and Diabetes Center North Rhine Westphalia, Bad Oeynhausen, Germany
    Eur J Heart Fail 9:251-7. 2007
    ..Evaluation of the prevalence and nature of sleep-disordered breathing (SDB) in patients with symptomatic chronic heart failure (CHF) receiving therapy according to current guidelines...
  3. ncbi request reprint Pulmonary capillary wedge pressure and pulmonary arterial pressure in heart failure patients with sleep-disordered breathing
    Olaf Oldenburg
    Department of Cardiology, Heart and Diabetes Center North Rhine Westphalia, Ruhr University Bochum, Georgstrasse 11, D 32545 Bad Oeynhausen, Germany
    Sleep Med 10:726-30. 2009
    ..The present study investigates the hypotheses that CSA in CHF patients reflects heart failure severity as measured by cardiac index (CI), pulmonary artery pressure (PAP) and pulmonary capillary wedge pressure (PCWP)...
  4. doi request reprint Cheyne-Stokes respiration in heart failure: cycle length is dependent on left ventricular ejection fraction
    Juliane Wedewardt
    Dept of Cardiology, Heart and Diabetes Centre North Rhine Westphalia, Ruhr University Bochum, Bad Oeynhausen, Germany
    Sleep Med 11:137-42. 2010
    ..The aim of this study was to analyse the characteristics of CSR in patients with varying degrees of impaired left ventricular ejection fraction (LVEF)...
  5. doi request reprint Symptoms of sleep apnoea in chronic heart failure--results from a prospective cohort study in 1,500 patients
    Thomas Bitter
    Department of Cardiology, Heart and Diabetes Centre North Rhine Westphalia, Ruhr University Bochum, Bad Oeynhausen, Germany
    Sleep Breath 16:781-91. 2012
    ..The aim of this study was to investigate whether assessment of specific symptoms can elucidate presence of SDB in these patients...
  6. doi request reprint Low night-to-night variability of sleep disordered breathing in patients with stable congestive heart failure
    Olaf Oldenburg
    Dept of Cardiology, Heart and Diabetes Center North Rhine Westphalia, Ruhr University Bochum, Georgstrasse 11, 32545, Bad Oeynhausen, Germany
    Clin Res Cardiol 97:836-42. 2008
    ..This may enhance the applicability and dissemination of cardiorespiratory polygraphy in clinical practice...
  7. ncbi request reprint The potential of multi-slice computed tomography based volumetry for demonstrating reverse remodeling induced by cardiac resynchronization therapy
    Christoph Langer
    Department of Cardiology, Heart and Diabetes Center North Rhine Westphalia, University Hospital of the Ruhr University Bochum, Bad Oeynhausen, Germany
    Comput Med Imaging Graph 34:388-93. 2010
    ..In HFREF patients we investigated the potential of MSCT based wall motion analysis in order to demonstrate CRT-induced reversed remodeling...
  8. doi request reprint Sleep-disordered breathing in heart failure with normal left ventricular ejection fraction
    Thomas Bitter
    Department of Cardiology, Heart and Diabetes Center North Rhine Westphalia, Ruhr University Bochum, Georgstasse 11, D 32545 Bad Oeynhausen, Germany
    Eur J Heart Fail 11:602-8. 2009
    ..The purpose of this study was to investigate the prevalence and type of SDB in patients with heart failure with normal left ventricular ejection fraction (HFNEF)...
  9. doi request reprint Predictors of recurrence in patients undergoing cryoballoon ablation for treatment of atrial fibrillation: the independent role of sleep-disordered breathing
    Thomas Bitter
    Department of Cardiology, Heart and Diabetes Center North Rhine Westphalia, Ruhr University Bochum, Bad Oeynhausen, Germany
    J Cardiovasc Electrophysiol 23:18-25. 2012
    ..This study aimed to evaluate predictors of AF recurrence including impact of sleep-disordered breathing (SDB)...
  10. doi request reprint Peak systolic longitudinal strain of the lateral left ventricular wall improves after septal ablation for symptomatic hypertrophic obstructive cardiomyopathy: a follow-up study using speckle tracking echocardiography
    Lothar Faber
    Department of Cardiology, Heart and Diabetes Center North Rhine Westphalia, Ruhr University Bochum, GeorgStr 11, 32545 Bad Oeynhausen, Germany
    Int J Cardiovasc Imaging 27:325-33. 2011
    ..Reduction of LV afterload by elimination of the outflow gradient following a successful PTSMA with low doses of alcohol results in improvement of systolic lateral longitudinal function...
  11. doi request reprint Pulse transit time: validation of blood pressure measurement under positive airway pressure ventilation
    Heidi Schmalgemeier
    Department of Cardiology, Heart and Diabetes Centre North Rhine Westphalia, University Hospital, Ruhr University Bochum, Georgstrasse 11, 32545, Bad Oeynhausen, Germany
    Sleep Breath 16:1105-12. 2012
    ....
  12. doi request reprint Incidence of sleep-disordered breathing in patients with hypertrophic cardiomyopathy
    Christian Prinz
    Department of Cardiology, Heart and Diabetes Centre North Rhine Westphalia, Ruhr University Bochum, Bad Oeynhausen, Germany
    Congest Heart Fail 17:19-24. 2011
    ..No correlations were found between SDB and other clinical or echocardiographic parameters. SDB is common in patients with hypertrophic cardiomyopathy, with a predominance of OSA and correlations with markers of left ventricular function...
  13. pmc Sleep-disordered breathing in patients with atrial fibrillation and normal systolic left ventricular function
    Thomas Bitter
    Kardiologische Klinik, Herz und Diabeteszentrum Nordrhein Westfalen, Ruhr Universitat Bochum, Bad Oeynhausen, Germany
    Dtsch Arztebl Int 106:164-70. 2009
    ..The aim of this study was to investigate the prevalence and type of sleep-disordered breathing in patients with AFib and normal systolic left ventricular function...
  14. doi request reprint Mitral regurgitation--evaluation of a multidimensional echocardiographic grading system. A study on 177 patients with chronic primary and secondary mitral regurgitation
    Christoph Langer
    Department of Cardiology, Heart and Diabetes Centre North Rhine Westphalia, Ruhr University Bochum, Bad Oeynhausen, Germany
    Scand Cardiovasc J 43:311-7. 2009
    ..With regard to chronic primary and secondary MR the purpose of this study was to compare a new multi-dimensional echo-based grading system with an independent pre-operatively used invasive standard...
  15. doi request reprint Sleep apnoea in severe aortic stenosis
    Christian Prinz
    Department of Cardiology, Heart and Diabetes Centre North Rhine Westphalia, Ruhr University Bochum, Georgstrasse 11, Bad Oeynhausen D 32545, Germany
    Postgrad Med J 87:458-62. 2011
    ..There are as yet no data on the prevalence of sleep apnoea in patients with severe aortic stenosis (AS)...
  16. doi request reprint Obstructive sleep apnoea: longer respiratory event lengths in patients with heart failure
    Christina Efken
    Dept of Cardiology, HDZ, Heart and Diabetes Centre North Rhine Westphalia, Ruhr University Bochum, Bad Oeynhausen, Germany
    Eur Respir J 41:1340-6. 2013
    ..In patients with heart failure, some of these events correlate with the degree of pulmonary congestion...
  17. doi request reprint Trilevel adaptive servoventilation for the treatment of central and mixed sleep apnea in chronic heart failure patients
    Olaf Oldenburg
    Dept of Cardiology, Heart and Diabetes Centre North Rhine Westphalia, Ruhr University Bochum, Bad Oeynhausen, Germany
    Sleep Med 14:422-7. 2013
    ..The objective was to examine long-term effects of a new trilevel adaptive servoventilation (ASV) therapy in patients with systolic or diastolic HF...
  18. doi request reprint Cheyne-Stokes respiration and obstructive sleep apnoea are independent risk factors for malignant ventricular arrhythmias requiring appropriate cardioverter-defibrillator therapies in patients with congestive heart failure
    Thomas Bitter
    Department of Cardiology, Heart and Diabetes Centre North Rhine Westphalia, Ruhr University Bochum, Georgstasse 11, Bad Oeynhausen, Germany
    Eur Heart J 32:61-74. 2011
    ....
  19. ncbi request reprint Influence of cardiac resynchronisation therapy on different types of sleep disordered breathing
    Olaf Oldenburg
    Department of Cardiology, Heart and Diabetes Center North Rhine Westphalia, Ruhr University Bochum, Georgstrasse 11, D 32545 Bad Oeynhausen, Germany
    Eur J Heart Fail 9:820-6. 2007
    ..This study investigates the influence of cardiac resynchronisation therapy (CRT) on sleep disordered breathing (SDB) in patients with severe heart failure (HF)...
  20. doi request reprint Sleep apnea is common in patients with coronary artery disease
    Christian Prinz
    Department of Cardiology, Heart and Diabetes Center North Rhine Westphalia, Ruhr University Bochum, Bad Oeynhausen, Germany
    Wien Med Wochenschr 160:349-55. 2010
    ..Severity of SDB was significantly higher in group 2 (p = 0.01). SDB has a high prevalence in CAD patients and seems to be associated with chronic inflammation, which may be linked to CAD progression and/or acute coronary events...
  21. doi request reprint How to diagnose cardiac amyloidosis early: impact of ECG, tissue Doppler echocardiography, and myocardial biopsy
    Cornelia Piper
    Department of Cardiology, Heart and Diabetes Center North Rhine Westphalia, Ruhr University Bochum, Bad Oeynhausen, Germany
    Amyloid 17:1-9. 2010
    ..To detect cardiac amyloidosis (CA) earlier, it is inevitable to improve diagnostic strategies...
  22. doi request reprint Cardiac volumetry in patients with heart failure and reduced ejection fraction: a comparative study correlating multi-slice computed tomography and magnetic resonance tomography. Reasons for intermodal disagreement
    Janina Schroeder
    Department of Cardiology, Heart and Diabetes Center North Rhine Westphalia, University Hospital of the Ruhr University Bochum, Bad Oeynhausen, Germany
    Clin Res Cardiol 98:739-47. 2009
    ..We correlated both techniques in patients with various degrees of heart failure and reduced ejection fraction (HFREF) resulting from cardiac dilatation...
  23. doi request reprint Hypotensive effects of positive airway pressure ventilation in heart failure patients with sleep-disordered breathing
    Olaf Oldenburg
    Department of Cardiology, Heart and Diabetes Centre North Rhine Westphalia, Ruhr University Bochum, Bad Oeynhausen, Germany
    Sleep Breath 16:753-7. 2012
    ..Positive airway pressure (PAP) therapy is usually intended to treat OSA and CSA. The aim of the present study was to investigate immediate hemodynamic effects of PAP therapy in these patients...
  24. doi request reprint Long-term follow-up of cardiac resynchronization therapy: mechanical resynchronization and reverse left ventricular remodeling are predictive for long-term transplant-free survival
    Lothar Faber
    Department of Cardiology, Heart and Diabetes Center North Rhine Westphalia, Ruhr University Bochum, GeorgStr 11, 32545 Bad Oeynhausen, Germany
    Int J Cardiovasc Imaging 28:1341-50. 2012
    ..50%) reached the end point, 11 (30%) in the TDI-R group, and 27 (70%) in the TDI-NR group (P < 0.0003). Mechanical resynchronization as defined by TDI translates into a significant survival benefit in CRT recipients...
  25. ncbi request reprint Systolic and early diastolic left ventricular velocities assessed by tissue Doppler imaging in 100 top-level handball players
    Thomas Butz
    Department of Cardiology, Heart Center Northern Westphalia, Bad Oeynhausen, Germany
    Eur J Cardiovasc Prev Rehabil 17:342-8. 2010
    ..8+/-4.8 years)...
  26. doi request reprint Percutaneous septal ablation after unsuccessful surgical myectomy for patients with hypertrophic obstructive cardiomyopathy
    Lothar Faber
    Department of Cardiology, Heart and Diabetes Center North Rhine Westphalia, Ruhr University Bochum, GeorgStr 11, 32545, Bad Oeynhausen, Germany
    Clin Res Cardiol 97:899-904. 2008
    ..To evaluate the long-term outcome of percutaneous septal ablation (PTSMA) after a previous myectomy...
  27. pmc Adaptive servoventilation improves cardiac function and respiratory stability
    Olaf Oldenburg
    Department of Cardiology, Heart and Diabetes Centre North Rhine Westphalia, University Hospital, Ruhr University Bochum, Georgstrasse 11, 32545, Bad Oeynhausen, Germany
    Clin Res Cardiol 100:107-15. 2011
    ..In CHF patients with CSR, ASV might be able to improve parameters of SDB, cardiac function, and respiratory stability...
  28. ncbi request reprint Validation of blood pressure monitoring using pulse transit time in heart failure patients with Cheyne-Stokes respiration undergoing adaptive servoventilation therapy
    Jens Spießhöfer
    Department of Cardiology, Heart and Diabetes Centre North Rhine Westphalia, University Hospital, Ruhr University Bochum, Georgstrasse 11, 32545, Bad Oeynhausen, Germany
    Sleep Breath 18:411-21. 2014
    ..Using pulse transit time (PTT) and an ECG appears to be a promising alternative for invasive or noninvasive monitoring of blood pressure (BP). This study assessed the validity of PTT for BP monitoring in clinical practice...
  29. doi request reprint Sleep-disordered breathing in patients undergoing transfemoral aortic valve implantation for severe aortic stenosis
    Zisis Dimitriadis
    Department of Cardiology, Heart and Diabetes Center North Rhine Westphalia, Ruhr University Bochum, GeorgStr 11, 32545, Bad Oeynhausen, Germany
    Clin Res Cardiol 102:895-903. 2013
    ..We examined the prevalence of sleep-disordered breathing (SDB) in patients with severe aortic valve stenosis (AS) and the impact of transfemoral aortic valve implantation (TAVI) on SDB...
  30. doi request reprint Adaptive servoventilation improves cardiac function in patients with chronic heart failure and Cheyne-Stokes respiration
    Olaf Oldenburg
    Department of Cardiology, Heart and Diabetes Centre North Rhine Westphalia, Ruhr University Bochum, Bad Oeynhausen, Germany
    Eur J Heart Fail 10:581-6. 2008
    ..Adaptive servoventilation (ASV) was recently introduced to treat CSR in CHF. The aim of this study was to investigate the effects of ASV on CSR and CHF parameters...
  31. pmc Central Sleep Apnea in Patients due to Severe Aortic Stenosis
    Christian Prinz
    Department of Cardiology, Heart and Diabetes Center North Rhine Westphalia, Ruhr University Bochum, Georgstrasse 11, 32545 Bad Oeynhausen, Germany
    Case Report Med 2010:952634. 2010
    ..Patients with severe AS can develop CSA, which seems to improve after surgery. Patients with severe AS should be screened for CSA, because CSA might be an additional risk factor and hint that myocardial adaptation is exhausting...
  32. doi request reprint C-reactive protein is elevated in heart failure patients with central sleep apnea and Cheyne-Stokes respiration
    Heidi Schmalgemeier
    Department of Cardiology, Heart and Diabetes Centre North Rhine Westphalia, Ruhr University Bochum, Bad Oeynhausen, Germany
    Respiration 87:113-20. 2014
    ..While an association of C-reactive protein (CRP) levels to obstructive sleep apnea has been documented before, there is a lack of information regarding variation of CRP levels in patients with CSA...
  33. doi request reprint Acute effects of muscular counterpulsation therapy on cardiac output and safety in patients with chronic heart failure
    Dominique Ostojic
    Department of Cardiology, Heart and Diabetes Centre North Rhine Westphalia, Ruhr University Bochum, Georgstrasse 11, Bad Oeynhausen, Germany
    Artif Organs 36:559-64. 2012
    ..MCP acutely improves CO in patients with stable CHF. No adverse influence on myocardial integrity was observed nor were any inappropriate sensing or pacing artifacts detected in patients with implanted rhythm devices...
  34. ncbi request reprint Reliability and accuracy of sleep apnea scans in novel cardiac resynchronization therapy devices: an independent report of two cases
    Henrik Fox
    Department of Cardiology, Heart and Diabetes Center North Rhine Westphalia, Ruhr University Bochum, Georgstrasse 11, 32545, Bad Oeynhausen, Germany
    Herzschrittmacherther Elektrophysiol 25:53-5. 2014
    ..The device scan revealed the decline of SDB through ASV therapy for CSA in one patient, but not for OSA in the second case. To achieve reliable monitoring of SDB, further technical developments and clinical studies are necessary. ..
  35. doi request reprint Non-invasive coronary angiography: the clinical value of multi-slice computed tomography in the assessment of patients with prior coronary bypass surgery. Evaluating grafts and native vessels
    Helge von Kiedrowski
    Department of Cardiology, Heart and Diabetes Centre North Rhine Westphalia, GeorgStr 11, 32545 Bad Oeynhausen, Germany
    Int J Cardiovasc Imaging 25:161-70. 2009
    ..We investigated MSCT based assessment of coronary artery bypass grafts (CABG) by analyzing assets and drawbacks of CTA in order to define demands on latest technology...
  36. ncbi request reprint Cheyne-stokes respiration in chronic heart failure. Treatment with adaptive servoventilation therapy
    Olaf Oldenburg
    Department of Cardiology, Heart and Diabetes Center North Rhine Westphalia, Ruhr University Bochum, Georgstrasse 11, D 32545 Bad Oeynhausen, Germany
    Circ J 76:2305-17. 2012
    ....
  37. ncbi request reprint Systematic use of a collagen-based vascular closure device immediately after cardiac catheterization procedures in 1,317 consecutive patients
    Holger Eggebrecht
    Department of Cardiology, Center of Internal Medicine, University Hospital Essen, Essen, Germany
    Catheter Cardiovasc Interv 57:486-95. 2002
    ..The use of a collagen-based closure device is associated with a low rate of clinically significant complications...
  38. ncbi request reprint Acetylcholine leads to free radical production dependent on K(ATP) channels, G(i) proteins, phosphatidylinositol 3-kinase and tyrosine kinase
    Olaf Oldenburg
    Department of Physiology, MSB 3024, College of Medicine, University of South Alabama, Mobile 36688, USA
    Cardiovasc Res 55:544-52. 2002
    ..The aim of this study was to test whether ACh-induced ROS production could be seen in a vascular smooth muscle cell line, and, if so, to investigate the underlying signaling pathway...