R Senior

Summary

Country: UK

Publications

  1. ncbi request reprint Incremental value of myocardial contrast echocardiography for the prediction of recovery of function in dobutamine nonresponsive myocardium early after acute myocardial infarction
    Roxy Senior
    Department of Cardiovascular Medicine, Northwick Park and St Mark s Hospitals and Institute of Medical Research, Harrow, United Kingdom
    Am J Cardiol 91:397-402. 2003
  2. ncbi request reprint Rapid assessment of patients with non-ST-segment elevation acute chest pain: troponins, inflammatory markers, or perfusion imaging?
    Jonathan M A Swinburn
    Department of Cardiac Research, Northwick Park Hospital, Harrow, United Kingdom
    J Nucl Cardiol 9:491-9. 2002
  3. ncbi request reprint Left ventricular contrast echocardiography: role for evaluation of function and structure
    Roxy Senior
    Department of Cardiovascular Medicine, Northwick Park Hospital, Watford Road, Harrow, Middlesex HAI 3UJ, United Kingdom
    Echocardiography 19:615-20. 2002
  4. ncbi request reprint Myocardial contrast echocardiography: Role in clinical cardiology
    Girish Dwivedi
    Department of Cardiovascular Medicine, Northwick Park Hospital, Harrow, Middlesex, UK
    Curr Vasc Pharmacol 4:229-35. 2006
  5. ncbi request reprint Noninvasive modalities for the assessment of left ventricular function: all are equal but some are more equal than others
    Tiong Keng Lim
    J Nucl Cardiol 13:445-9. 2006
  6. pmc Stress echocardiography for the diagnosis and risk stratification of patients with suspected or known coronary artery disease: a critical appraisal. Supported by the British Society of Echocardiography
    R Senior
    Department of Cardiovascular Medicine, Northwick Park Hospital, Harrow HA1 3UJ UK, UK
    Heart 91:427-36. 2005
  7. ncbi request reprint Contrast echocardiography and acute coronary syndromes
    R Senior
    Northwick Park Hospital and Institute of Medical Research, Harrow, Middlesex, UK
    Ann Cardiol Angeiol (Paris) 51:205-6. 2002
  8. pmc Screening for left ventricular dysfunction in the community: role of hand held echocardiography and brain natriuretic peptides
    R Senior
    Department of Cardiovascular Medicine, Northwick Park and St Mark s Hospitals, Harrow, UK
    Heart 89:iii24-8. 2003
  9. pmc Role of myocardial contrast echocardiography in the clinical evaluation of acute myocardial infarction
    R Senior
    Northwick Park Hospital, Watford Road, Harrow, HA1 3UJ, UK
    Heart 89:1398-400. 2003
  10. ncbi request reprint Community screening for left ventricular hypertrophy in patients with hypertension using hand-held echocardiography
    Roxy Senior
    Department of Cardiovascular Medicine, Northwick Park Hospital, Watford Rd, Harrow, Middlesex, HAI 3UJ United Kingdom
    J Am Soc Echocardiogr 17:56-61. 2004

Collaborators

Detail Information

Publications101 found, 100 shown here

  1. ncbi request reprint Incremental value of myocardial contrast echocardiography for the prediction of recovery of function in dobutamine nonresponsive myocardium early after acute myocardial infarction
    Roxy Senior
    Department of Cardiovascular Medicine, Northwick Park and St Mark s Hospitals and Institute of Medical Research, Harrow, United Kingdom
    Am J Cardiol 91:397-402. 2003
    ..002) were the only independent predictors of recovery of function. Thus, for optimum prediction of recovery of function after AMI, a combination of DE and MCE in dobutamine nonresponsive segments may be utilized...
  2. ncbi request reprint Rapid assessment of patients with non-ST-segment elevation acute chest pain: troponins, inflammatory markers, or perfusion imaging?
    Jonathan M A Swinburn
    Department of Cardiac Research, Northwick Park Hospital, Harrow, United Kingdom
    J Nucl Cardiol 9:491-9. 2002
    ..Measurement of troponin I (TnI) and troponin T (TnT) provides similar information but only several hours after onset of pain. The role of inflammatory markers in this setting is less clear...
  3. ncbi request reprint Left ventricular contrast echocardiography: role for evaluation of function and structure
    Roxy Senior
    Department of Cardiovascular Medicine, Northwick Park Hospital, Watford Road, Harrow, Middlesex HAI 3UJ, United Kingdom
    Echocardiography 19:615-20. 2002
    ..Thus, it is clear that contrast-enhanced LV assessment at rest will play an important role in echocardiography...
  4. ncbi request reprint Myocardial contrast echocardiography: Role in clinical cardiology
    Girish Dwivedi
    Department of Cardiovascular Medicine, Northwick Park Hospital, Harrow, Middlesex, UK
    Curr Vasc Pharmacol 4:229-35. 2006
    ..Furthermore, its use is not limited solely to diagnostic assessment. Preliminary evidence suggests that targeted microbubbles may be useful in enhancing delivery of genes / drugs and in clot lysis...
  5. ncbi request reprint Noninvasive modalities for the assessment of left ventricular function: all are equal but some are more equal than others
    Tiong Keng Lim
    J Nucl Cardiol 13:445-9. 2006
  6. pmc Stress echocardiography for the diagnosis and risk stratification of patients with suspected or known coronary artery disease: a critical appraisal. Supported by the British Society of Echocardiography
    R Senior
    Department of Cardiovascular Medicine, Northwick Park Hospital, Harrow HA1 3UJ UK, UK
    Heart 91:427-36. 2005
    ..Tissue Doppler imaging allows quantitation of wall motion. Ready availability and reliability makes stress echocardiography a cost effective technique for the assessment of CAD...
  7. ncbi request reprint Contrast echocardiography and acute coronary syndromes
    R Senior
    Northwick Park Hospital and Institute of Medical Research, Harrow, Middlesex, UK
    Ann Cardiol Angeiol (Paris) 51:205-6. 2002
    ..Recent studies have demonstrated the role of MCE to evaluate the value of perfusion and function during rest and dobutamine stress echo in patients early after AMI in terms of risk stratification and management of these patients...
  8. pmc Screening for left ventricular dysfunction in the community: role of hand held echocardiography and brain natriuretic peptides
    R Senior
    Department of Cardiovascular Medicine, Northwick Park and St Mark s Hospitals, Harrow, UK
    Heart 89:iii24-8. 2003
  9. pmc Role of myocardial contrast echocardiography in the clinical evaluation of acute myocardial infarction
    R Senior
    Northwick Park Hospital, Watford Road, Harrow, HA1 3UJ, UK
    Heart 89:1398-400. 2003
  10. ncbi request reprint Community screening for left ventricular hypertrophy in patients with hypertension using hand-held echocardiography
    Roxy Senior
    Department of Cardiovascular Medicine, Northwick Park Hospital, Watford Rd, Harrow, Middlesex, HAI 3UJ United Kingdom
    J Am Soc Echocardiogr 17:56-61. 2004
    ..Thus, hand-held echocardiography devices accurately assessed LVH and may be used for community-based screening for LVH in targeted patients with hypertension...
  11. ncbi request reprint Myocardial contrast echocardiography in acute coronary syndromes
    Roxy Senior
    Northwick Park Hospital, Watford Road, Harrow, HA1 3UJ, UK
    Cardiol Clin 22:253-67. 2004
    ..This information is critical in both management decision-making and in assigning prognosis in the setting of acute coronary syndromes...
  12. ncbi request reprint Myocardial perfusion assessment in patients with medium probability of coronary artery disease and no prior myocardial infarction: comparison of myocardial contrast echocardiography with 99mTc single-photon emission computed tomography
    Roxy Senior
    Department of Cardiovascular Medicine, Northwick Park Hospital, Harrow, Middlesex, United Kingdom
    Am Heart J 147:1100-5. 2004
    ..This study was developed to test the hypothesis that MCE is superior to SPECT for the detection of CAD...
  13. ncbi request reprint Clinical benefits of contrast-enhanced echocardiography during rest and stress examinations
    Roxy Senior
    Department of Cardiovascular Medicine, Northwick Park Hospital, Harrow, Middlesex, England, United Kingdom
    Eur J Echocardiogr 6:S6-13. 2005
    ....
  14. ncbi request reprint Cost-effective strategies to screen for left ventricular systolic dysfunction in the community--a concept
    Roxy Senior
    Department of Cardiovascular Medicine, Northwick Park and St Mark s Hospitals, Harrow, Middlesex, HAI 3UJ, UK
    Congest Heart Fail 11:194-8, 211. 2005
    ..This review article discusses the pros and cons of various investigative strategies and likely cost-effectiveness of each strategy to screen for LVSD...
  15. ncbi request reprint Role of dobutamine echocardiography in detection of myocardial viability for predicting outcome after revascularization in ischemic cardiomyopathy
    R Senior
    Department of Cardiovascular Medicine, Northwick Park Hospital and Institute for Medical Research, Harrow, United Kingdom
    J Am Soc Echocardiogr 14:240-8. 2001
    ..Dobutamine stress echocardiography has emerged as a safe and valuable technique for the assessment of myocardial viability and for the selection of patients for revascularization...
  16. ncbi request reprint Myocardial contrast echocardiography for distinguishing ischemic from nonischemic first-onset acute heart failure: insights into the mechanism of acute heart failure
    Roxy Senior
    Cardiovascular Division, Northwick Park Hospital, Harrow, England, UK
    Circulation 112:1587-93. 2005
    ..The aim of the study was to assess whether myocardial contrast echocardiography (MCE) can identify underlying coronary artery disease (CAD) as the cause of AHF...
  17. ncbi request reprint Diagnostic and imaging considerations: role of viability
    Roxy Senior
    Department of Cardiovascular Medicine, Northwick Park Hospital, Watford Road, Harrow Middlesex, HA1 3UJ, United Kingdom
    Heart Fail Rev 11:125-34. 2006
    ..This review focuses on the role of non-invasive testing for myocardial viability in patients with left ventricular systolic dysfunction and heart failure and also outlines the pros and cons of each technique...
  18. ncbi request reprint Portable echocardiography: an innovative tool in screening for cardiac abnormalities in the community
    G I W Galasko
    Department of Cardiovascular Medicine, Northwick Park Hospital, Harrow, Middlesex, UK
    Eur J Echocardiogr 4:119-27. 2003
    ..Echocardiography using new fully portable echocardiography devices would allow community-based cost-effective screening programmes once validated. This study was undertaken to evaluate this further in both high and low-risk subjects...
  19. pmc Ethnic differences in the prevalence and aetiology of left ventricular systolic dysfunction in the community: the Harrow heart failure watch
    G I W Galasko
    Department of Cardiovascular Medicine, Northwick Park Hospital, Harrow, Middlesex, UK
    Heart 91:595-600. 2005
    ..To assess ethnic differences in the prevalence and aetiology of left ventricular systolic dysfunction (LVSD) in the community...
  20. ncbi request reprint Wall thickening assessment with tissue harmonic echocardiography results in improved risk stratification for patients with non-ST-segment elevation acute chest pain
    M Hickman
    Department of Cardiovascular Medicine, Northwick Park Hospital, Watford Road, Harrow, Middlesex HA1 3UJ, UK
    Eur J Echocardiogr 5:142-8. 2004
    ....
  21. ncbi request reprint Effect of aging on the prognostic significance of ambulatory systolic, diastolic, and pulse pressure in essential hypertension
    R S Khattar
    Department of Cardiovascular Medicine, Northwick Park and St. Mark's Hospital NHS Trust and Institute for Medical Research, Harrow, Middlesex, United Kingdom
    Circulation 104:783-9. 2001
    ..This may reflect differing underlying hemodynamic mechanisms of hypertension in these age groups...
  22. ncbi request reprint An update on contrast echocardiography
    R Chelliah
    Department of Cardiology, Middlesex University London, Northwick Park Hospital, Harrow, UK
    Minerva Cardioangiol 57:483-93. 2009
    ..Contrast agents therefore have a significant role in cardiovascular diagnostics and its use can only improve patient care...
  23. ncbi request reprint Effect of revascularization on left ventricular remodeling in patients with heart failure from severe chronic ischemic left ventricular dysfunction
    R Senior
    Department of Cardiovascular Medicine, Northwick Park, Harrow, United Kingdom
    Am J Cardiol 88:624-9. 2001
    ..Improvement in LV geometry contributes to better LV systolic function, which in turn is the best predictor of survival after revascularization...
  24. ncbi request reprint Power doppler harmonic imaging: a feasibility study of a new technique for the assessment of myocardial perfusion
    R Senior
    Department of Cardiovascular Medicine, Northwick Park Hospital, and Institute for Medical Research, Harrow, UK
    Am Heart J 139:245-51. 2000
    ..The aim of the study was to assess the feasibility of a new technique, power Doppler harmonic imaging (PDHI), for assessing myocardial perfusion through a venous injection of microbubbles, with the use of a new ultrasound contrast agent...
  25. doi request reprint Effects of left bundle-branch block on cardiac structure, function, perfusion, and perfusion reserve: implications for myocardial contrast echocardiography versus radionuclide perfusion imaging for the detection of coronary artery disease
    S A Hayat
    Department of Cardiology and Institute of Postgraduate Medical Education and Research, Northwick Park Hospital, Harrow, UK
    Circulation 117:1832-41. 2008
    ....
  26. doi request reprint Independent value of left atrial volume index for the prediction of mortality in patients with suspected heart failure referred from the community
    T K Lim
    Department of Cardiovascular Medicine, Institute of Postgraduate Medical, Education and Research, Northwick Park Hospital, Harrow, UK
    Heart 95:1172-8. 2009
    ..However, its value for the prediction of mortality in patients referred for suspected heart failure (HF) is unknown...
  27. doi request reprint Relationship between myocardial perfusion with myocardial contrast echocardiography and function early after acute myocardial infarction for the prediction of late recovery of function
    Girish Dwivedi
    Northwick Park Hospital, UK
    Int J Cardiol 140:169-74. 2010
    ....
  28. ncbi request reprint The upper limit of physiological cardiac hypertrophy in elite male and female athletes: the British experience
    G P Whyte
    CRY Centre for Sports Cardiology, Olympic Medical Institute, Northwick Park Hospital, Watford Road, Middlesex HA1 3UJ, Harrow, UK
    Eur J Appl Physiol 92:592-7. 2004
    ..Values in excess of these should be viewed with caution and should prompt further investigation to identify the underlying mechanism...
  29. pmc Is echocardiography a valid tool to screen for left ventricular systolic dysfunction in chronic survivors of acute myocardial infarction? A comparison with radionuclide ventriculography
    G I W Galasko
    Department of Cardiovascular Medicine, Northwick Park Hospital, Harrow, Middlesex HA1 3UJ, UK
    Heart 90:1422-6. 2004
    ....
  30. pmc A prospective comparison of echocardiographic wall motion score index and radionuclide ejection fraction in predicting outcome following acute myocardial infarction
    G I Galasko
    Department of Cardiovascular Medicine, Northwick Park Hospital, Watford Road, Harrow, Middlesex HA1 3UJ, UK
    Heart 86:271-6. 2001
    ....
  31. ncbi request reprint Accuracy of dipyridamole myocardial contrast echocardiography for the detection of residual stenosis of the infarct-related artery and multivessel disease early after acute myocardial infarction
    Rajesh Janardhanan
    Cardiology Department, Northwick Park Hospital, Harrow, United Kingdom
    J Am Coll Cardiol 43:2247-52. 2004
    ..We aimed to evaluate the ability of vasodilator myocardial contrast echocardiography (MCE) to detect significant infarct-related artery (IRA) stenosis and multivessel disease (MVD) after thrombolysis...
  32. ncbi request reprint Myocardial contrast echocardiography: a new tool for assessment of myocardial perfusion
    Rajesh Janardhanan
    Department of Cardiovascular Medicine, Northwick Park Hospital, Middlesex, UK
    Indian Heart J 57:210-6. 2005
  33. ncbi request reprint Prognostic value of myocardial contrast echocardiography in patients presenting to hospital with acute chest pain and negative troponin
    Paramjit Jeetley
    Department of Cardiovascular Medicine, Northwick Park Hospital and Institute for Medical Education and Research, Harrow, Middlesex, United Kingdom
    Am J Cardiol 99:1369-73. 2007
    ..0003). In conclusion, stress MCE was superior to TIMI risk score and exercise electrocardiography in the assessment of risk in patients with suspected acute coronary syndrome, nondiagnostic electrocardiogram, and negative troponin...
  34. ncbi request reprint Impact of revascularization and myocardial viability determined by nitrate-enhanced Tc-99m sestamibi and Tl-201 imaging on mortality and functional outcome in ischemic cardiomyopathy
    Roxy Senior
    Department of Cardiovascular Medicine, Northwick Park Hospital and Institute of Medical Research, Harrow, United Kingdom
    J Nucl Cardiol 9:454-62. 2002
    ..Nitrate-enhanced perfusion imaging has been shown to detect viability in dysfunctional myocardium, but nitrate-enhanced technetium 99m sestamibi has not been compared with nitrate-enhanced thallium 201...
  35. doi request reprint Improved prediction of outcome by contrast echocardiography determined left ventricular remodelling parameters compared to unenhanced echocardiography in patients following acute myocardial infarction
    Girish Dwivedi
    Department of Cardiovascular Medicine, Northwick Park Hospital, Northwick Park Institute of Medical Research, Harrow, UK
    Eur J Echocardiogr 10:933-40. 2009
    ..However, whether this translated into improved prediction of outcome is not known...
  36. doi request reprint Clinical applications of left ventricular opacification
    Navtej S Chahal
    Department of Cardiology, Northwick Park Hospital, Harrow, United Kingdom
    JACC Cardiovasc Imaging 3:188-96. 2010
    ....
  37. ncbi request reprint Usefulness of myocardial contrast echocardiography using low-power continuous imaging early after acute myocardial infarction to predict late functional left ventricular recovery
    Rajesh Janardhanan
    Department of Cardiovascular Medicine, Northwick Park Hospital, Harrow, United Kingdom
    Am J Cardiol 92:493-7. 2003
    ..This technique may be utilized to reliably predict late recovery of function in dysfunctional myocardium after AMI...
  38. ncbi request reprint Contrast echocardiography: an update
    Rajesh K Chelliah
    Middlesex University London, Department of Cardiology, Northwick Park Hospital, Watford Road, Harrow, Middlesex, London HA1 3UJ, United Kingdom
    Curr Cardiol Rep 11:216-24. 2009
    ..Thus, contrast agents play a pivotal role in noninvasive cardiovascular imaging and its use worldwide is likely to increase...
  39. ncbi request reprint Independent value of echocardiography and N-terminal pro-natriuretic Peptide for the prediction of major outcomes in patients with suspected heart failure
    Tiong Keng Lim
    Department of Cardiovascular Medicine and Institute of Postgraduate Medical Education and Research, Northwick Park Hospital, Harrow, United Kingdom
    Am J Cardiol 100:870-5. 2007
    ..1, 95% confidence interval 1.43 to 85.6, p = 0.02). In conclusion, NT-pro-BNP and abnormal echocardiogram provided independent information for predicting adverse outcome in patients with suspected HF referred from the community...
  40. doi request reprint The increased prevalence of left ventricular hypertrophy and concentric remodeling in U.K. Indian Asians compared with European whites
    N S Chahal
    Department of Cardiovascular Medicine, Northwick Park Hospital, Royal Brompton Hospital, Harrow, London, UK
    J Hum Hypertens 27:288-93. 2013
    ..Investigation of the mechanisms underlying the pathogenesis of LV remodeling and blood pressure etiology may help redress the excess CVD mortality observed in Indian Asians...
  41. ncbi request reprint Prognostic value of direct, continuous ambulatory blood pressure monitoring in essential hypertension
    R S Khattar
    Department of Cardiovascular Medicine, Northwick Park and St. Mark's Hospital, NHS Trust and Institute for Medical Research, Harrow, Middlesex, HA1 3UJ
    J Clin Hypertens (Greenwich) 3:90-8. 2001
    ..However, the routine use of ambulatory blood pressure monitoring is not currently recommended, mainly because of a lack of outcome trials based on the treatment of ambulatory blood pressure levels. (c)2001 by Le Jacq Communications, Inc...
  42. ncbi request reprint Apical hypertrophic cardiomyopathy: bedside diagnosis by intravenous contrast echocardiography
    P Soman
    Department of Cardiovascular Medicine, Northwick Park Hospital, and the Institute of Medical Research, Harrow, United Kingdom
    J Am Soc Echocardiogr 14:311-3. 2001
    ..Intravenous contrast echocardiography, however, revealed typical features of hypertrophic apical cardiomyopathy. Thus contrast echocardiography may be used to establish the diagnosis of this condition...
  43. ncbi request reprint Intravenous myocardial contrast echocardiography predicts recovery of dysynergic myocardium early after acute myocardial infarction
    J M Swinburn
    Department of Cardiac Research, Northwick Park Hospital, Harrow, United Kingdom
    J Am Coll Cardiol 38:19-25. 2001
    ..CONCLUSIONS: Intravenous delayed triggered MCE can independently detect myocardial viability early after AMI...
  44. pmc Myocardial viability assessed by dobutamine stress echocardiography predicts reduced mortality early after acute myocardial infarction: determining the risk of events after myocardial infarction (DREAM) study
    J M A Swinburn
    Department of Cardiovascular Medicine, Northwick Park Hospital, Harrow, Middlesex, UK
    Heart 92:44-8. 2006
    ..212 stable consenting patients underwent DSE a mean (SD) of 4.8 (1.5) days after AMI. Patients were then followed up for 803 (297) days...
  45. ncbi request reprint Improved interpretation of dobutamine stress echocardiography following 4 months of systematic training in patients following acute myocardial infarction
    D V Anand
    Northwick Park Hospital, Watford Road, Harrow HA1 3UJ, UK
    Eur J Echocardiogr 5:12-7. 2004
    ....
  46. doi request reprint Myocardial contrast echocardiography in ST elevation myocardial infarction: ready for prime time?
    Sajad A Hayat
    Department of Cardiovascular medicine and Institute of Postgraduate Medical and Education Research, Northwick Park Hospital, Watford Road, Harrow HA1 3UJ, UK
    Eur Heart J 29:299-314. 2008
    ..Its portability, rapid acquisition and interpretation of data, and the absence of radiation exposure make it an ideal bedside technique...
  47. ncbi request reprint Comparison between myocardial contrast echocardiography and single-photon emission computed tomography for predicting transmurality of acute myocardial infarction
    Sajad A Hayat
    Department of Cardiology, Northwick Park Hospital, Harrow, United Kingdom
    Am J Cardiol 97:1718-21. 2006
    ..However, MCE is significantly more accurate in predicting >50% of the transmural extent of infarction and more sensitive in identifying <or=25% of the transmural extent of infarction than SPECT...
  48. ncbi request reprint Prognostic value of myocardial viability detected by myocardial contrast echocardiography early after acute myocardial infarction
    Girish Dwivedi
    Department of Cardiovascular Medicine, Northwick Park Institute of Medical Research, Northwick Park Hospital, Harrow, Middlesex, United Kingdom
    J Am Coll Cardiol 50:327-34. 2007
    ..This study sought to determine whether residual myocardial viability determined by myocardial contrast echocardiography (MCE) after acute myocardial infarction (AMI) can predict hard cardiac events...
  49. ncbi request reprint Cost effectiveness of the B type natriuretic peptide, electrocardiography, and portable echocardiography for the assessment of patients from the community with suspected heart failure
    Tiong Keng Lim
    Department of Cardiovascular Medicine, Northwick Park Hospital, Harrow, UK
    Echocardiography 24:228-36. 2007
    ....
  50. ncbi request reprint What is the most cost-effective strategy to screen for left ventricular systolic dysfunction: natriuretic peptides, the electrocardiogram, hand-held echocardiography, traditional echocardiography, or their combination?
    Gavin I W Galasko
    Department of Cardiovascular Medicine, Northwick Park Hospital, Watford Road, Harrow HA1 3UJ, Middlesex, UK
    Eur Heart J 27:193-200. 2006
    ..To assess the screening characteristics and cost-effectiveness of screening for left ventricular systolic dysfunction (LVSD) in community subjects...
  51. ncbi request reprint Enhanced left ventricular endocardial border delineation with an intravenous injection of SonoVue, a new echocardiographic contrast agent: A European multicenter study
    R Senior
    Northwick Park Hospital and Institute of Medical Research, Department of Cardiovascular Medicine, Harrow, Middlesex, United Kingdom
    Echocardiography 17:705-11. 2000
    ..It was concluded that SonoVue is safe and effective in delineating endocardial border, including in patients with suboptimal baseline images...
  52. ncbi request reprint Regression of left ventricular remodeling in chronic heart failure: Comparative and combined effects of captopril and carvedilol
    R S Khattar
    Department of Cardiovascular Medicine, Northwick Park and St Mark's Hospital National Health Service Trust, and the Institute for Medical Research, Harrow, United Kingdom
    Am Heart J 142:704-13. 2001
    ..These beneficial effects on remodeling may help to explain the relative prognostic benefits of these therapies...
  53. ncbi request reprint Real time contrast echocardiography--a new bedside technique to predict contractile reserve early after acute myocardial infarction
    J M A Swinburn
    Department of Cardiovascular Medicine, Northwick Park Hospital, Harrow, UK
    Eur J Echocardiogr 3:95-9. 2002
    ..We aimed to determine whether microvascular integrity using power pulse inversion can be used to predict contractile reserve early after myocardial infarction...
  54. ncbi request reprint Improved accuracy of low-power contrast echocardiography for the assessment of left ventricular remodeling compared with unenhanced harmonic echocardiography after acute myocardial infarction: comparison with cardiovascular magnetic resonance imaging
    Tiong Keng Lim
    Department of Cardiovascular Medicine, Northwick Park Hospital, Harrow, UK
    J Am Soc Echocardiogr 18:1203-7. 2005
    ..Low-power contrast echocardiography (CE) has the advantage of simultaneously assessing myocardial perfusion and LV remodeling...
  55. ncbi request reprint Vasodilator stress induces infrequent wall thickening abnormalities compared to perfusion defects in mild-to-moderate coronary artery disease: implications for the choice of imaging modality with vasodilator stress
    Prem Soman
    Department of Cardiovascular Medicine, Northwick Park and St Mark s Hospitals and Institute of Medical Research, Harrow, Middlesex, UK
    Echocardiography 21:307-12. 2004
    ..Thus, it is hypothesized that dipyridamole infusion, even at high doses, will result in a disproportionately higher frequency of perfusion defects compared to regional wall thickening abnormalities...
  56. ncbi request reprint Increased left atrial volume index is an independent predictor of raised serum natriuretic peptide in patients with suspected heart failure but normal left ventricular ejection fraction: Implication for diagnosis of diastolic heart failure
    Tiong K Lim
    Department of Cardiovascular Medicine, Northwick Park Hospital, Watford Road, Harrow, Middlesex, HA1 3UJ, UK
    Eur J Heart Fail 8:38-45. 2006
    ..We assessed the capacity of LAVI to predict LV diastolic dysfunction in comparison with N-terminal pro B-type natriuretic peptide (NTproBNP) in patients with suspected heart failure and a normal ejection fraction (EF)...
  57. ncbi request reprint Contrast echocardiography for the assessment of myocardial viability
    Sajad A Hayat
    Department of Cardiology, Northwick Park Hospital, Harrow HA1 3UJ, UK
    Curr Opin Cardiol 21:473-8. 2006
    ..An increasing body of data supports its role in assessing myocardial viability and predicting the recovery of function...
  58. doi request reprint Detection of coronary artery disease with perfusion stress echocardiography using a novel ultrasound imaging agent: two Phase 3 international trials in comparison with radionuclide perfusion imaging
    Roxy Senior
    Department of Cardiovascular Medicine, Northwick Park Hospital, Watford Road, Harrow, Middlesex HAI 3UJ, UK
    Eur J Echocardiogr 10:26-35. 2009
    ..PSE is a novel technique for evaluating myocardial perfusion. RAMP (real-time assessment of myocardial perfusion)-1 and -2 were international, Phase 3 trials that evaluated the ability of PSE with Imagify, to detect CAD...
  59. ncbi request reprint Usefulness of myocardial contrast echocardiography derived coronary flow reserve to accurately determine severity of left anterior descending coronary artery stenosis
    Michael Hickman
    Department of Cardiovascular Medicine, Northwick Park and St Mark s Hospitals, Harrow, United Kingdom
    Am J Cardiol 93:1159-62. 2004
    ..Coronary flow reserve and myocardial blood flow were able to accurately differentiate among angiographically derived grades of coronary stenosis...
  60. ncbi request reprint Myocardial contrast echocardiography for the detection of coronary artery stenosis: a prospective multicenter study in comparison with single-photon emission computed tomography
    Paramjit Jeetley
    Department of Cardiovascular Medicine, Northwick Park Hospital, Harrow, Middlesex, United Kingdom
    J Am Coll Cardiol 47:141-5. 2006
    ....
  61. ncbi request reprint Myocardial contrast echocardiography for the assessment of left ventricular function
    P Jeetley
    Department of Cardiovascular Medicine, Northwick Park Hospital, Harrow, England, UK
    Minerva Cardioangiol 51:661-6. 2003
    ..As a result contrast enhanced echocardiography may become the gold-standard in the assessment of wall motion and LV function...
  62. ncbi request reprint Clinical and economic impact of stress echocardiography compared with exercise electrocardiography in patients with suspected acute coronary syndrome but negative troponin: a prospective randomized controlled study
    Paramjit Jeetley
    Department of Cardiovascular Medicine, Northwick Park Hospital and Institute for Medical Research, and Health Economics Research Group, Brunel University, Middlesex, UK
    Eur Heart J 28:204-11. 2007
    ..We sought to determine the clinical and economic impact of stress echocardiography (SEcho) when compared with exercise ECG (ExECG) in the assessment of these patients...
  63. ncbi request reprint Myocardial contrast echocardiography accurately reflects transmurality of myocardial necrosis and predicts contractile reserve after acute myocardial infarction
    Rajesh Janardhanan
    Department of Cardiology, Northwick Park Hospital, Harrow, UK
    Am Heart J 149:355-62. 2005
    ..We sought to ascertain the ability of MCE to (1) predict TEI as defined by contrast-enhanced CMR and (2) to compare the relative accuracy of these techniques to predict contractile reserve late after AMI...
  64. pmc Comparison of the clinical utility of atrial and B type natriuretic peptide measurement for the diagnosis of systolic dysfunction in a low-risk population
    Gavin Galasko
    Department of Cardiovascular Medicine, Northwick Park Hospital, Harrow, Middlesex, UK
    J Clin Pathol 60:570-2. 2007
    ..The study compared measurement of NTproBNP with measurement of N terminal pro-atrial natriuretic peptide (NTproANP) for detection of ventricular systolic dysfunction in primary care...
  65. ncbi request reprint The clinical applications of myocardial contrast echocardiography
    Dhrubo J Rakhit
    Department of Cardiology, Northwick Park Hospital, Watford Road, Harrow, UK
    Eur J Echocardiogr 8:S24-9. 2007
    ..Myocardial contrast echocardiography is equally adept in assessing chronic coronary artery disease, acute coronary syndromes and hibernating myocardium...
  66. ncbi request reprint Myocardial contrast echocardiography predicts left ventricular remodelling after acute myocardial infarction
    Paramjit Jeetley
    Department of Cardiovascular Medicine, Northwick Park Hospital, and Institute for Medical Research, London, United Kingdom
    J Am Soc Echocardiogr 17:1030-6. 2004
    ....
  67. ncbi request reprint What is the normal range for N-terminal pro-brain natriuretic peptide? How well does this normal range screen for cardiovascular disease?
    Gavin I W Galasko
    Department of Cardiovascular Medicine, Northwick Park Hospital, Watford Road, Harrow, Middlesex HA1 3UJ, UK
    Eur Heart J 26:2269-76. 2005
    ..To define the N-terminal pro-brain natriuretic peptide (NTpBNP) normal range, assessing its cardiovascular screening characteristics in general population and higher risk subjects...
  68. ncbi request reprint Usefulness of myocardial contrast echocardiography in predicting collateral blood flow in the presence of a persistently occluded acute myocardial infarction-related coronary artery
    Rajesh Janardhanan
    Department of Cardiovascular Medicine, Northwick Park Hospital, Harrow HA1 3UJ, United Kingdom
    Am J Cardiol 93:1207-11. 2004
    ..MCE may thus be used as a reliable bedside technique for the accurate evaluation of collateral blood flow in the presence of an occluded IRA after AMI...
  69. doi 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...
  70. ncbi request reprint Independent value of tissue harmonic echocardiography for risk stratification in patients with non-ST-segment elevation acute chest pain
    Johnathan M A Swinburn
    Department of Cardiovascular Medicine, Northwick Park Hospital, Harrow, UK
    J Am Soc Echocardiogr 15:1031-7. 2002
    ..We aimed to determine the value of tissue harmonic echocardiography in relation to electrocardiographic and biochemical factors for risk stratification of these patients...
  71. ncbi request reprint Stress echocardiography is superior to exercise ECG in the risk stratification of patients presenting with acute chest pain with negative Troponin
    Paramjit Jeetley
    Department of Cardiovascular Medicine, Northwick Park Hospital and Institute for Medical Research, Watford Road, Harrow, Middlesex HA1 3UJ, UK
    Eur J Echocardiogr 7:155-64. 2006
    ..To compare exercise electrocardiography (ExECG) and stress echocardiography (SE) in the risk stratification of patients presenting to hospital with cardiac-sounding chest pain, non-diagnostic ECGs and negative cardiac Troponin...
  72. ncbi request reprint The use of hand-carried ultrasound in the hospital setting--a cost-effective analysis
    Kim Greaves
    Department of Cardiology, Northwick Park Hospital, London, United Kingdom
    J Am Soc Echocardiogr 18:620-5. 2005
    ..We sought to assess the accuracy of hand-carried ultrasound (HCU) in the prediction of a normal study, and its cost-effectiveness in reducing the number of standard departmental echocardiograms (SDE) performed on hospital inpatients...
  73. ncbi request reprint Myocardial contrast echocardiography: an innovative technique to assess myocardial perfusion in hypertensive patients
    Roxy Senior
    Department of Cardiovascular Medicine, Northwick Park Hospital and Institute for Medical Research, Harrow Middlesex, United Kingdom
    Am J Hypertens 20:539-40. 2007
  74. ncbi request reprint Prognostic value of normal stress echocardiogram in patients with suspected coronary artery disease--a British general hospital experience
    George Chung
    Department of Cardiovascular Medicine, North West London Hospitals NHS Trust and Institute for Medical Research, Northwick Park Hospital, Watford Road, Harrow, Middlesex HA1 3UJ, UK
    Int J Cardiol 94:181-6. 2004
    ..To determine the prognostic value of a normal stress echocardiogram in the setting of a large district general non-university hospital in the United Kingdom...
  75. doi request reprint Contrast echocardiography: evidence for clinical use
    Vinay Kumar Bhatia
    Department of Cardiology, Northwick Park Hospital, Harrow, United Kingdom
    J Am Soc Echocardiogr 21:409-16. 2008
    ..This review provides an overview of the clinical evidence supporting the efficacy of contrast echocardiography in the assessment of myocardial structure, function, and perfusion...
  76. ncbi request reprint Detection of residual infarct-related coronary artery stenosis and multivessel disease after thrombolysis: comparison between myocardial contrast echocardiography and single photon emission computed tomography
    Girish Dwivedi
    Department of Cardiovascular Medicine, Northwick Park Hospital, Middlesex, United Kingdom
    J Am Soc Echocardiogr 19:546-51. 2006
    ..Myocardial contrast echocardiography (MCE) is a new technique developed to assess CAD. We aimed to compare the relative accuracy of vasodilator stress MCE and SPECT for detection of IRA stenosis and MVD after acute myocardial infarction...
  77. ncbi request reprint Contrast echocardiography versus gated single photon emission computed tomography for the assessment of parameters of left ventricular remodeling after acute myocardial infarction
    Tiong Keng Lim
    Department of Cardiovascular Medicine, Northwick Park Hospital, Harrow, United Kingdom
    J Am Soc Echocardiogr 19:280-4. 2006
    ..We aimed to evaluate the accuracy of CE to assess LV remodeling after AMI compared with technetium-99m sestamibi gated single photon emission computed tomography (SPECT)...
  78. doi request reprint Comparison between myocardial contrast echocardiography and (99m)technetium sestamibi single photon emission computed tomography determined myocardial viability in predicting hard cardiac events following acute myocardial infarction
    Girish Dwivedi
    Department of Cardiovascular Medicine, Northwick Park Institute of Medical Research, Northwick Park Hospital, Harrow, Middlesex, United Kingdom
    Am J Cardiol 104:1184-8. 2009
    ..01 and p = 0.002, respectively). In conclusion, MV determined by MCE at rest was superior to nitrate-enhanced SPECT for the prediction of hard cardiac events after AMI...
  79. pmc Assessing myocardial perfusion after myocardial infarction
    Houman Ashrafian
    Department of Cardiology, Northwick Park Hospital, Harrow, Middlesex, United Kingdom
    PLoS Med 3:e131. 2006
  80. doi request reprint Safety of contrast in stress echocardiography in stable patients and in patients with suspected acute coronary syndrome but negative 12-hour troponin
    Brijesh Anantharam
    Department of Cardiology and Institute of Postgraduate Medical Education and Research, Northwick Park Hospital, Harrow, UK
    Am J Cardiol 104:14-8. 2009
    ....
  81. doi request reprint Myocardial contrast echocardiography versus single photon emission computed tomography for assessment of hibernating myocardium in ischemic cardiomyopathy: preliminary qualitative and quantitative results
    Rajesh K Chelliah
    Department of Cardiology and Cardiac Research, Northwick Park Hospital, London, United Kingdom
    J Am Soc Echocardiogr 23:840-7. 2010
    ..The aim of this study was to test the hypothesis that myocardial contrast echocardiography (MCE), because of its better spatial and temporal resolution, would be superior to SPECT for the detection of HM...
  82. pmc A 28 year old postpartum woman with right sided chest discomfort: case outcome
    Girish Dwivedi
    Department of Cardiovascular Medicine, Northwick Park Hospital, Harrow, Middlesex HA1 3UJ
    BMJ 332:643. 2006
  83. doi request reprint Ethnicity-related differences in left ventricular function, structure and geometry: a population study of UK Indian Asian and European white subjects
    Navtej S Chahal
    Department of Cardiovascular Medicine, Northwick Park Hospital, Watford Road, Harrow HA1 3UJ, UK
    Heart 96:466-71. 2010
    ..The authors studied healthy UK Indian Asian and European white subjects to assess whether functional, structural and geometrical properties of the left heart are intrinsically related to ethnicity...
  84. ncbi request reprint Usefulness of left atrial volume as a predictor of mortality in patients with ischemic cardiomyopathy
    Nikant Sabharwal
    Department of Cardiovascular Medicine, Northwick Park Hospital, Harrow HA1 3LE, Middlesex, United Kingdom
    Am J Cardiol 94:760-3. 2004
    ..LA volume was the only independent predictor of mortality (hazard ratio 1.03, 95% confidence interval 1.001 to 1.057, p = 0.03)...
  85. ncbi request reprint Diagnosis of subarachnoid hemorrhage indicated by transthoracic echocardiography
    Jonathan Birns
    Department of Cardiovascular Medicine, Northwick Park Hospital
    J Am Soc Echocardiogr 16:995-8. 2003
    ....
  86. ncbi request reprint Carotid ultrasound imaging: an effective technique for detecting early atherosclerosis-vascular screening for cardiovascular disease has come of age
    Houman Ashrafian
    Department of Cardiovascular Medicine, Northwick Park Hospital, Harrow, United Kingdom
    J Am Soc Echocardiogr 20:1-3. 2007
  87. doi request reprint Pathological and physiological left ventricular hypertrophy: echocardiography for differentiation
    Rajesh K Chelliah
    Department of Cardiac Research, Northwick Park Hospital, Middlesex, Harrow, London HA1 3UJ, UK
    Future Cardiol 5:495-502. 2009
    ..When the more severe obstructive form is being described, the term 'hypertrophic obstructive cardiomyopathy' is used...
  88. pmc To revascularize or not to revascularize: a dilemma in heart failure
    Roxy Senior
    Department of Cardiovascular Medicine, Northwick Park Hospital and Institute for Medical Research, Harrow, Middlesex, UK
    CMAJ 175:372. 2006
  89. ncbi request reprint Contrast echocardiography in acute chest pain
    Colm McCabe
    Department of Cardiology, Northwick Park Hospital, Harrow, United Kingdom
    J Am Soc Echocardiogr 20:1220.e1-3. 2007
    ..The patient subsequently made an uneventful recovery. Use of contrast agents in accident and emergency as a bedside tool can be very useful in patients with atypical presentation...
  90. ncbi request reprint The clinical applications of contrast echocardiography
    Robert Olszewski
    Cardiac Investigation Annexe, Oxford University, John Radcliffe Hospital, Oxford, UK
    Eur J Echocardiogr 8:S13-23. 2007
    ..Stress echocardiography and regional wall motion assessment. Future echocardiography will be more 3D and more quantitative than current echocardiography. And contrast echocardiography has already proven its value for both applications...
  91. ncbi request reprint Midwall myocardial shortening in athletic left ventricular hypertrophy
    Jamil Mayet
    Department of Cardiology, St Mary s Hospital, Praed Street, Paddington, London W2 1NY, UK
    Int J Cardiol 86:233-8. 2002
    ..Whether midwall shortening is depressed in physiological hypertrophy is unknown...
  92. ncbi request reprint Detecting acute coronary syndrome in the emergency department: the answer is in seeing the heart: why look further?
    Roxy Senior
    Eur Heart J 26:1573-5. 2005
  93. ncbi request reprint The role of contrast enhancement in echocardiographic assessment of left ventricular function
    Roberto M Lang
    University of Chicago, RML, VM A, Illinois 60637, USA
    Am J Cardiol 90:28J-34J. 2002
    ..In this review we discuss the most recent techniques that have had a positive impact on endocardial visualization, as well as the potential benefits of these approaches...
  94. ncbi request reprint Incremental value of cardiac imaging in patients presenting to the emergency department with chest pain and without ST-segment elevation: a multicenter study
    Sanjiv Kaul
    Cardiovascular Imaging Center, Cardiovascular Division, University of Virginia, Charlottesville, VA 22908 0158, USA
    Am Heart J 148:129-36. 2004
    ....
  95. ncbi request reprint Normal value of carotid intima-media thickness--a surrogate marker of atherosclerosis: quantitative assessment by B-mode carotid ultrasound
    Tiong K Lim
    Northwick Park Hospital and Institute of Post Graduate Medicine and Research, London, United Kingdom
    J Am Soc Echocardiogr 21:112-6. 2008
    ..The study is aimed to define the upper limit of carotid IMT at the common carotid artery (CCA) and its bifurcation among a healthy population in the United Kingdom...
  96. ncbi request reprint The pathologic basis of Q-wave and non-Q-wave myocardial infarction: a cardiovascular magnetic resonance study
    James C C Moon
    Centre for Advanced Magnetic Resonance in Cardiology CAMRIC, Royal Brompton Hospital, London, United Kingdom
    J Am Coll Cardiol 44:554-60. 2004
    ..The purpose of this study was to determine the pathologic basis of Q-wave (QW) and non-Q-wave (NQW) myocardial infarction (MI)...
  97. ncbi request reprint Mild to moderate renal impairment is associated with increased left ventricular mass
    Kim Greaves
    Poole Hospital and Bournemouth University, UK
    Int J Cardiol 124:384-6. 2008
    ..Increased left ventricular mass (LVM) is associated with severe renal dysfunction and a higher cardiovascular mortality. However, whether increased LVM also occurs in patients with milder renal dysfunction is unknown...
  98. ncbi request reprint Screening for isolated diastolic dysfunction--a bridge too far?
    Roxy Senior
    Eur J Echocardiogr 6:79-82. 2005
  99. ncbi request reprint Myocardial contrast echocardiography evolving as a clinically feasible technique for accurate, rapid, and safe assessment of myocardial perfusion: the evidence so far
    Pieter A Dijkmans
    Department of Cardiology, VU University Medical Center, Amsterdam, The Netherlands
    J Am Coll Cardiol 48:2168-77. 2006
    ..Although MCE has been primarily performed for medical research, its implementation in routine clinical care is evolving. This article is intended to give an overview of the current status of MCE...
  100. ncbi request reprint Safety: the heart of the matter
    Sajad A Hayat
    Eur J Echocardiogr 6:235-7. 2005
    ..have examined whether some of the theoretical and in vitro experimental concerns surrounding myocardial injury during and following contrast echocardiography result in any detectable change in cardiac function...
  101. ncbi request reprint Value of primary care electrocardiography for the prediction of left ventricular systolic dysfunction in patients with suspected heart failure
    Tiong Keng Lim
    Int J Cardiol 115:73-4. 2007
    ..Therefore, measurement of NTproBNP is a better investigation in primary care than ECG for the detection of significant LVSD...