Petros Nihoyannopoulos

Summary

Affiliation: Imperial College
Country: UK

Publications

  1. doi request reprint Myocardial ischaemia and viability: the pivotal role of echocardiography
    Petros Nihoyannopoulos
    National Heart and Lung Institute, Imperial College School of Medicine, London, UK
    Eur Heart J 32:810-9. 2011
  2. doi request reprint Restrictive cardiomyopathies
    Petros Nihoyannopoulos
    Cardiology Department, NHLI, Hammersmith Hospital, Imperial College London, London W12 0NN, UK
    Eur J Echocardiogr 10:iii23-33. 2009
  3. doi request reprint Echocardiography in 2009: the future of clinical diagnosis
    Petros Nihoyannopoulos
    Hammersmith Hospital, NHLI, Imperial College London, London, W12 0NN, UK
    Future Cardiol 6:37-49. 2010
  4. doi request reprint Validation of the isovolumetric relaxation time for the estimation of pulmonary systolic arterial blood pressure in chronic pulmonary hypertension
    Inês Zimbarra Cabrita
    Department of Cardiovascular Sciences, Hammersmith Hospital, Imperial College NHS Trust, Du Cane Road, London W12 0HS, UK
    Eur Heart J Cardiovasc Imaging 14:51-5. 2013
  5. doi request reprint Is it only diastolic dysfunction? Segmental relaxation patterns and longitudinal systolic deformation in systemic hypertension
    Harry Pavlopoulos
    Echocardiography Department, Imperial College of Medicine and Technology, National Heart and Lung Institute NHLI, Hammersmith Hospital, Du Cane Road, W12 0HS London, UK
    Eur J Echocardiogr 9:741-7. 2008
  6. doi request reprint Pulse pressure/stroke volume: a surrogate index of arterial stiffness and the relation to segmental relaxation and longitudinal systolic deformation in hypertensive disease
    Harry Pavlopoulos
    Department of Cardiology, Imperial College of Medicine and Technology, National Heart and Lung Institute NHLI, Hammersmith Hospital, Du Cane Road, W12 0HS London, UK
    Eur J Echocardiogr 10:519-26. 2009
  7. ncbi request reprint Mitral valve repair results in better right ventricular remodelling than valve replacement for degenerative mitral regurgitation: a three-dimensional echocardiographic study
    Julia Grapsa
    Department of Cardiovascular Sciences, Imperial College, London, National Heart and Lung Institute, Hammersmith Hospital, London, UK
    Hellenic J Cardiol 53:279-86. 2012
  8. ncbi request reprint Ethnic differences in skin microvascular function and their relation to cardiac target-organ damage
    William D Strain
    International Centre for Circulatory Health, Faculty of Medicine, Imperial College London at St Mary s, London, UK
    J Hypertens 23:133-40. 2005
  9. doi request reprint The association of clinical outcome with right atrial and ventricular remodelling in patients with pulmonary arterial hypertension: study with real-time three-dimensional echocardiography
    Julia Grapsa
    Department of Cardiovascular Sciences, Hammersmith Hospital, Imperial College NHS Trust, Du Cane Road, London W12 0HS, UK
    Eur Heart J Cardiovasc Imaging 13:666-72. 2012
  10. doi request reprint The evolution of diastolic dysfunction in the hypertensive disease
    Harry Pavlopoulos
    Cardiology Department, National Heart and Lung Institute NHLI, Imperial College of Medicine and Technology, Hammersmith Hospital, Du Cane Rd, W12 0HS London, UK
    Eur J Echocardiogr 9:772-8. 2008

Detail Information

Publications48

  1. doi request reprint Myocardial ischaemia and viability: the pivotal role of echocardiography
    Petros Nihoyannopoulos
    National Heart and Lung Institute, Imperial College School of Medicine, London, UK
    Eur Heart J 32:810-9. 2011
    ..The recent introductions of ultrasound contrast agents as well as deformation imaging techniques have eliminated the last limitations of stress echocardiography such as image quality and quantification, respectively...
  2. doi request reprint Restrictive cardiomyopathies
    Petros Nihoyannopoulos
    Cardiology Department, NHLI, Hammersmith Hospital, Imperial College London, London W12 0NN, UK
    Eur J Echocardiogr 10:iii23-33. 2009
    ..Finally, on rare occasions, the differential diagnosis from constrictive pericarditis may be necessary...
  3. doi request reprint Echocardiography in 2009: the future of clinical diagnosis
    Petros Nihoyannopoulos
    Hammersmith Hospital, NHLI, Imperial College London, London, W12 0NN, UK
    Future Cardiol 6:37-49. 2010
    ..Some basic descriptions of the various modalities are summarized and their contribution to a number of clinical scenarios, today and in the future, are explored...
  4. doi request reprint Validation of the isovolumetric relaxation time for the estimation of pulmonary systolic arterial blood pressure in chronic pulmonary hypertension
    Inês Zimbarra Cabrita
    Department of Cardiovascular Sciences, Hammersmith Hospital, Imperial College NHS Trust, Du Cane Road, London W12 0HS, UK
    Eur Heart J Cardiovasc Imaging 14:51-5. 2013
    ..Our aim was to validate IVRT in the echocardiographic assessment of pulmonary hypertension (PH) patients...
  5. doi request reprint Is it only diastolic dysfunction? Segmental relaxation patterns and longitudinal systolic deformation in systemic hypertension
    Harry Pavlopoulos
    Echocardiography Department, Imperial College of Medicine and Technology, National Heart and Lung Institute NHLI, Hammersmith Hospital, Du Cane Road, W12 0HS London, UK
    Eur J Echocardiogr 9:741-7. 2008
    ..To investigate changes in longitudinal systolic function estimated by strain echocardiography in relation to global diastolic dysfunction and alterations in segmental relaxation patterns...
  6. doi request reprint Pulse pressure/stroke volume: a surrogate index of arterial stiffness and the relation to segmental relaxation and longitudinal systolic deformation in hypertensive disease
    Harry Pavlopoulos
    Department of Cardiology, Imperial College of Medicine and Technology, National Heart and Lung Institute NHLI, Hammersmith Hospital, Du Cane Road, W12 0HS London, UK
    Eur J Echocardiogr 10:519-26. 2009
    ..The aim of this study was to investigate the effect of AS on segmental relaxation and systolic deformation in hypertensive disease...
  7. ncbi request reprint Mitral valve repair results in better right ventricular remodelling than valve replacement for degenerative mitral regurgitation: a three-dimensional echocardiographic study
    Julia Grapsa
    Department of Cardiovascular Sciences, Imperial College, London, National Heart and Lung Institute, Hammersmith Hospital, London, UK
    Hellenic J Cardiol 53:279-86. 2012
    ....
  8. ncbi request reprint Ethnic differences in skin microvascular function and their relation to cardiac target-organ damage
    William D Strain
    International Centre for Circulatory Health, Faculty of Medicine, Imperial College London at St Mary s, London, UK
    J Hypertens 23:133-40. 2005
    ..People of Black African descent have increased risks of vascular target-organ damage not explained by greater blood pressures...
  9. doi request reprint The association of clinical outcome with right atrial and ventricular remodelling in patients with pulmonary arterial hypertension: study with real-time three-dimensional echocardiography
    Julia Grapsa
    Department of Cardiovascular Sciences, Hammersmith Hospital, Imperial College NHS Trust, Du Cane Road, London W12 0HS, UK
    Eur Heart J Cardiovasc Imaging 13:666-72. 2012
    ..The aim of this study was to examine the longitudinal RA and right ventricular (RV) remodelling in PAH patients using real-time three-dimensional echocardiography (3DE) and their relation to clinical outcome...
  10. doi request reprint The evolution of diastolic dysfunction in the hypertensive disease
    Harry Pavlopoulos
    Cardiology Department, National Heart and Lung Institute NHLI, Imperial College of Medicine and Technology, Hammersmith Hospital, Du Cane Rd, W12 0HS London, UK
    Eur J Echocardiogr 9:772-8. 2008
    ..Cardiac remodelling is the major pathophysiological result of increased blood pressure and manifests as changes in the size, shape, and function of the heart...
  11. doi request reprint Morphologic and functional remodeling of the right ventricle in pulmonary hypertension by real time three dimensional echocardiography
    Julia Grapsa
    Department of Cardiology, Hammersmith Hospital, Imperial College London NHS Trust, London, United Kingdom
    Am J Cardiol 109:906-13. 2012
    ..In addition, changes of the tricuspid apparatus also differed, with the most adverse effects seen in patients with CTED...
  12. ncbi request reprint Contrast echocardiography: evidence-based recommendations by European Association of Echocardiography
    Roxy Senior
    Department of Cardiology, Northwick Park Hospital, Imperial College, London, Harrow HA1 3UJ, UK
    Eur J Echocardiogr 10:194-212. 2009
    ..Based on the evidence, recommendations are proposed for the clinical use of contrast echocardiography...
  13. ncbi request reprint Regional left ventricular distribution of abnormal segmental relaxation evaluated by strain echocardiography and the incremental value over annular diastolic velocities in hypertensive patients with normal global diastolic function
    Harry Pavlopoulos
    Cardiology Department, Imperial College of Medicine and Technology, Hammersmith Hospital, Du Cane Rd, NHLI, London W12 0HS, UK
    Eur J Echocardiogr 10:654-62. 2009
    ....
  14. doi request reprint Right ventricular function in patients with pulmonary hypertension; the value of myocardial performance index measured by tissue Doppler imaging
    Inês Zimbarra Cabrita
    Department of Cardiovascular Sciences, Hammersmith Hospital, Imperial College London, NHLI, Du Cane Road, W12 0HS London, UK
    Eur J Echocardiogr 11:719-24. 2010
    ..Our aim was to determine whether MPI measured by Doppler tissue imaging (tMPI) is effective in assessing RV function in these patients...
  15. ncbi request reprint Echocardiographic assessment of pulmonary hypertension: standard operating procedure
    Luke S Howard
    National Pulmonary Hypertension Service, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK
    Eur Respir Rev 21:239-48. 2012
    ..The views and measurements described are recommended for diagnosis, assisting in prognosis and providing a noninvasive means of following disease progression or response to therapy...
  16. doi request reprint Recent advances in cardiac resynchronization therapy: echocardiographic modalities, patient selection, optimization, non-responders--all you need to know for more efficient CRT
    Harry Pavlopoulos
    Cardiology Department, Imperial College of Medicine and Technology, National Heart and Lung Institute, Hammersmith Hospital, London, UK
    Int J Cardiovasc Imaging 26:177-91. 2010
    ....
  17. ncbi request reprint Mitral valve repair or replacement for ischaemic mitral regurgitation: a systematic review
    Christopher Rao
    Department of Biosurgery and Surgical Technology, Imperial College London, 10th Floor QEQM Building, St Mary s Hospital, London W2 1NY, UK
    Heart Lung Circ 20:555-65. 2011
    ..Functional outcomes and health-related quality of life were not reported. In conclusion, high-quality randomised comparison of MV-Repair and MV-Replacement is urgently needed...
  18. ncbi request reprint Strain and strain rate deformation parameters: from tissue Doppler to 2D speckle tracking
    Harry Pavlopoulos
    Imperial College of Medicine and Technology, Echocardiography Department, National Heart and Lung Institute, Hammersmith Hospital, Du Cane Rd, W12 0HS London, UK
    Int J Cardiovasc Imaging 24:479-91. 2008
    ..Accurate knowledge of the basic principles of those techniques, as presented in this article, will further enhance their applicability to clinical practice...
  19. ncbi request reprint Left ventricular remodeling and mitral valve surgery: prospective study with real-time 3-dimensional echocardiography and speckle tracking
    Dimosthenis Pandis
    Department of Cardiovascular Sciences, National Heart and Lung Institute, Imperial College, London, United Kingdom
    J Thorac Cardiovasc Surg 142:641-9. 2011
    ....
  20. doi request reprint Abnormal segmental relaxation patterns in hypertensive disease and symptomatic diastolic dysfunction detected by strain echocardiography
    Harry Pavlopoulos
    Hammersmith Hospital, Cardiology Department, Imperial College of Medicine and Technology, London, United Kingdom
    J Am Soc Echocardiogr 21:899-906. 2008
    ..An abnormal segmental relaxation pattern exists as an early sign of diastolic dysfunction (DD), detectable by strain (S) echocardiography...
  21. ncbi request reprint Congenital tricuspid valve blood cyst: imaging with three-dimensional contrast echocardiography
    Julia Grapsa
    Department of Cardiology, Hammersmith Hospital, Imperial College NHS Trust, London, UK
    Hellenic J Cardiol 52:278-80. 2011
    ..Real-time three-dimensional echocardiography with contrast microbubbles was the imaging modality of choice to characterise the cyst and to guide the decision as to the best therapeutic approach for the patient...
  22. ncbi request reprint Primary myocardial dysfunction in autosomal dominant EDMD. A tissue doppler and cardiovascular magnetic resonance study
    Gillian C Smith
    Cardiovascular Magnetic Resonance Unit, Royal Brompton Hospital, and NHLI, Imperial College, London, UK
    J Cardiovasc Magn Reson 8:723-30. 2006
    ..Thus, early detection of cardiac abnormalities may be important for planning early therapeutic intervention...
  23. ncbi request reprint Left atrial size: a structural expression of abnormal left ventricular segmental relaxation evaluated by strain echocardiography
    Harry Pavlopoulos
    Department of Cardiology, Imperial College of Medicine and Technology, Hammersmith Hospital, National Heart and Lung Institute, London W12 0HS, UK
    Eur J Echocardiogr 10:865-71. 2009
    ..The aim of this study was to investigate the relation of one-dimensional (1D) and volume derived indexes of LA enlargement with abnormal segmental relaxation in hypertensive patients...
  24. doi request reprint Does stentless aortic valve implantation increase perioperative risk? A critical appraisal of the literature and risk of bias analysis
    Bari Murtuza
    Department of Cardiothoracic Surgery, Royal Brompton Hospital, Faculty of Medicine, Imperial College, UK
    Eur J Cardiothorac Surg 39:643-52. 2011
    ..Larger, more stringent randomized studies would be required to identify any robust clinical difference...
  25. ncbi request reprint Sildenafil versus Endothelin Receptor Antagonist for Pulmonary Hypertension (SERAPH) study
    Martin R Wilkins
    Experimental Medicine and Toxicology, Imperial College London, W12 0NN, UK
    Am J Respir Crit Care Med 171:1292-7. 2005
    ..Phosphodiesterase type 5 (PDE5) inhibition has been proposed for the treatment for pulmonary arterial hypertension (PAH)...
  26. ncbi request reprint Anti-androgens increase N-terminal pro-BNP levels in men with prostate cancer
    Frances Dockery
    Department of Medicine for the Elderly, Imperial College, Hammersmith Hospital, London, UK
    Clin Endocrinol (Oxf) 68:59-65. 2008
    ....
  27. ncbi request reprint The constellation of hypertensive heart disease
    Harry Pavlopoulos
    Cardiology Department, Hammersmith Hospital, Imperial College of Medicine and Technology, NHLI, London, UK
    Hellenic J Cardiol 49:92-9. 2008
    ....
  28. ncbi request reprint Retrospective study of pulmonary hypertensive patients: is right ventricular myocardial performance index a vital prognostic factor?
    Ioulia Grapsa
    Department of Cardiology and Pulmonary Hypertension Service, Hammersmith Hospital, Imperial College School of Medicine, National Heart and Lung Institute, London, UK
    Hellenic J Cardiol 48:152-60. 2007
    ..Nowadays, many indices have been linked with pulmonary hypertension. The myocardial performance index (MPI), which may be determined by both conventional Doppler and tissue Doppler imaging (TDI), is one of these...
  29. doi request reprint Right ventricular remodelling in pulmonary arterial hypertension with three-dimensional echocardiography: comparison with cardiac magnetic resonance imaging
    Julia Grapsa
    Department of Cardiovascular Sciences, Hammersmith Hospital, Imperial College London, NHLI, Du Cane Road, W12 0HS London, UK
    Eur J Echocardiogr 11:64-73. 2010
    ..We tested the hypothesis that RV mass, volumes and function could be measured accurately with real-time three-dimensional echocardiography (3DE) in patients with PAH and compared those against cardiac magnetic resonance (CMR)...
  30. doi request reprint An ethical dilemma: severe ischaemic mitral regurgitation and acute coronary syndrome in a 49-year-old pregnant woman
    Anna S Herrey
    Department of Cardiology, Hammersmith Hospital, Imperial College Healthcare NHS Trust, Du Cane Road, London, UK
    Eur J Echocardiogr 11:195-7. 2010
    ..This report explores the difficulties and ethical dilemmas encountered dealing with the need for urgent valve surgery and coronary revascularization in association with an unplanned, but wanted pregnancy in an older woman...
  31. ncbi request reprint Assessment of left ventricular function by different speckle-tracking software
    Ana Manovel
    Department of Cardiology, Hammersmith Hospital, NHLI, Imperial College London, Du Cane Road, London W12 0NN, UK
    Eur J Echocardiogr 11:417-21. 2010
    ..The aim of this study was to compare two different commercially available cardiac ultrasound systems and their manufacturer-specific speckle-tacking software for the quantification of global myocardial strain in a healthy population...
  32. ncbi request reprint Magnetic resonance imaging in the detection of myocardial viability: the role of delayed contrast hyperenhancement
    Constandinos Pamboucas
    Department of Cardiology, NHLI, Hammersmith Hospital, Imperial College, London
    Hellenic J Cardiol 46:108-16. 2005
  33. ncbi request reprint Three-dimensional speckle tracking of the right ventricle: toward optimal quantification of right ventricular dysfunction in pulmonary hypertension
    Benjamin C F Smith
    Department of Cardiology, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, United Kingdom School of Medicine, Imperial College, London, United Kingdom
    J Am Coll Cardiol 64:41-51. 2014
    ..Three-dimensional speckle tracking (3D-ST) has been used extensively to quantify left ventricular function, but its value for RV assessment has not been established...
  34. doi request reprint The association between tricuspid regurgitation velocity and 5-year survival in a North West London population of patients with sickle cell disease in the United Kingdom
    Ines Zimbarra Cabrita
    National Heart and Lung Institute, Hammersmith Campus, Imperial College London, London, UK
    Br J Haematol 162:400-8. 2013
    ..Further prospective studies are needed to more clearly characterize which patient factors modify survival in SCD patients with raised TRV...
  35. doi request reprint Assessment of cardiac valve dysfunction in patients receiving cabergoline treatment for hyperprolactinaemia
    Tricia Tan
    Division of Diabetes, Endocrinology and Metabolism, Department of Medicine, Imperial College, London, UK
    Clin Endocrinol (Oxf) 73:369-74. 2010
    ..This study examined whether cabergoline treatment of hyperprolactinaemia is associated with a greater prevalence of valvulopathy...
  36. ncbi request reprint Clinical value and perspectives of contrast echocardiography. Concluding remarks and take home messages. Bracco symposium, Athens, Greece, 1-4 December 2004
    Petros Nihoyannopoulos
    Hammersmith Hospital, NHLI, and Imperial College, London, UK
    Eur J Echocardiogr 6:S21-3. 2005
  37. ncbi request reprint Cardiovascular magnetic resonance at 3 Tesla: advantages, limitations and clinical potential
    Constandinos Pamboucas
    Department of Cardiology, Hammersmith Hospital, Imperial College, London, UK
    Hellenic J Cardiol 47:170-3. 2006
  38. ncbi request reprint Non-invasive assessment may have a key role in follow-up performance of modified Cabrol aortic root reconstruction
    Julia Grapsa
    Department of Cardiology, Hammersmith Hospital, Imperial College Trust, London, UK
    Hellenic J Cardiol 52:549-54. 2011
    ..We discuss the usefulness, findings and limitations of modern noninvasive imaging modalities that can provide a complete functional and anatomical assessment of this surgical technique...
  39. doi request reprint Pocket-size hand-held cardiac ultrasound as an adjunct to clinical examination in the hands of medical students and junior doctors
    Vasileios F Panoulas
    Hammersmith Hospital, Imperial College Healthcare NHS Trust, Du Cane Road, London W12 0HS, UK
    Eur Heart J Cardiovasc Imaging 14:323-30. 2013
    ..We hypothesized that the use of PHHE after limited training in the form of a tutorial can improve the clinical diagnosis even in the hands of medical students and inexperienced physicians...
  40. pmc Evaluation of methods for sizing and counting of ultrasound contrast agents
    Charles A Sennoga
    Imaging Sciences Department, Imperial College London, Hammersmith Campus, London, United Kingdom
    Ultrasound Med Biol 38:834-45. 2012
    ..3%, compared with a variability of 22.4% for OM and 32% for LD. This study showed that no method is fully suited to both sizing and counting of microbubbles...
  41. doi request reprint Atrial septal defect closure is associated with a reduced prevalence of atrial tachyarrhythmia in the short to medium term: a systematic review and meta-analysis
    Joshua A Vecht
    Surgical Epidemiology Unit, Department of Biosurgery and Surgical Technology, Imperial College London, St Mary s Hospital, London, UK
    Heart 96:1789-97. 2010
    ..62) respectively]. Atrial septal defect closure, whether surgical or percutaneous, is associated with a reduction in the post-closure prevalence of pre-existing atrial tachyarrhythmias and atrial fibrillation in the short to medium term...
  42. ncbi request reprint Ethnic differences in vascular stiffness and relations to hypertensive target organ damage
    Nish Chaturvedi
    Department of Epidemiology and Public Health, Faculty of Medicine, Imperial College London at St Mary s, Norfolk Place, London, UK
    J Hypertens 22:1731-7. 2004
    ..People of Black African descent have greater risks of hypertensive target organ damage than would be anticipated for given levels of blood pressure. Arterial stiffness may further account for ethnic differences in risk...
  43. ncbi request reprint Effect of enhanced external counterpulsation on dobutamine-induced left ventricular wall motion abnormalities in severe chronic angina pectoris
    Jens Peder Bagger
    Imperial College London, NHLI and Cardiothoracic Directorate, Hammersmith Hospital, London, United Kingdom
    Am J Cardiol 93:465-7. 2004
    ..1 +/- 0.6 to 2.2 +/- 0.7 (p <0.0001) in the entire group and exercise capacity increased by 73 seconds (p = 0.0002) in patients who were able to exercise (n = 18)...
  44. ncbi request reprint Cardiovascular magnetic resonance for the assessment of pulmonary arterial hypertension
    Constandinos Pamboucas
    Department of Cardiology, Hammersmith Hospital, Imperial College, London, UK
    Hellenic J Cardiol 47:39-43. 2006
  45. pmc Simvastatin as a treatment for pulmonary hypertension trial
    Martin R Wilkins
    Experimental Medicine, Imperial College London, Hammersmith Hospital, Du Cane Road, London, United Kingdom
    Am J Respir Crit Care Med 181:1106-13. 2010
    ..In animal models of pulmonary hypertension, simvastatin has been shown to reduce pulmonary artery pressure and induce regression of associated right ventricular (RV) hypertrophy...
  46. pmc Local restoration of dystrophin expression with the morpholino oligomer AVI-4658 in Duchenne muscular dystrophy: a single-blind, placebo-controlled, dose-escalation, proof-of-concept study
    Maria Kinali
    The Dubowitz Neuromuscular Centre, University College London Institute of Child Health London, London, UK
    Lancet Neurol 8:918-28. 2009
    ....
  47. ncbi request reprint Images in cardiovascular medicine. An unusual site for a common disease
    Maysaa Alzetani
    Hammersmith Hospital NHS Trust, Imperial College, London, UK
    Circulation 116:e1. 2007
  48. ncbi request reprint Cigarette smoking is associated with increased circulating proinflammatory and procoagulant markers in patients with chronic coronary artery disease: effects of aspirin treatment
    Ignatios Ikonomidis
    Imperial College School of Medicine, National Heart and Lung Institute, Cardiology Department, Hammersmith Hospital, London, United Kingdom
    Am Heart J 149:832-9. 2005
    ....