P Nihoyannopoulos

Author PubWeight™ 115.84‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Silent ischemia as a central problem: regional brain activation compared in silent and painful myocardial ischemia. Ann Intern Med 1996 6.11
2 Cardiac syndrome X: clinical characteristics and left ventricular function. Long-term follow-up study. J Am Coll Cardiol 1995 2.89
3 Accreditation in transoesophageal echocardiography: statement from the Association of Cardiothoracic Anaesthetists and the British Society of Echocardiography Joint TOE Accreditation Committee. Br J Anaesth 2003 2.64
4 Echocardiographic measurement of the normal adult right ventricle. Br Heart J 1986 2.16
5 Anatomy, echocardiography, and normal right ventricular dimensions. Heart 2006 2.03
6 Increased proinflammatory cytokines in patients with chronic stable angina and their reduction by aspirin. Circulation 1999 1.99
7 Ebstein's anomaly: presentation and outcome from fetus to adult. J Am Coll Cardiol 1994 1.95
8 Arrhythmia and prognosis in infants, children and adolescents with hypertrophic cardiomyopathy. J Am Coll Cardiol 1988 1.77
9 Accuracy and feasibility of contrast echocardiography for detection of perfusion defects in routine practice: comparison with wall motion and technetium-99m sestamibi single-photon emission computed tomography. The Nycomed NC100100 Investigators. J Am Coll Cardiol 1998 1.64
10 Congenital fistula between the aorta and left atrium. Br Heart J 1987 1.61
11 Clinical significance of giant negative T waves in hypertrophic cardiomyopathy. J Am Coll Cardiol 1990 1.60
12 Natural history of secundum atrial septal defect in adults after medical or surgical treatment: a historical prospective study. Br Heart J 1994 1.59
13 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. Heart 2005 1.55
14 Assessing right ventricular function: the role of echocardiography and complementary technologies. Heart 2006 1.50
15 Hypertrophic cardiomyopathy without hypertrophy: two families with myocardial disarray in the absence of increased myocardial mass. Br Heart J 1990 1.49
16 Q waves in hypertrophic cardiomyopathy in relation to the distribution and severity of right and left ventricular hypertrophy. J Am Coll Cardiol 1990 1.45
17 Echocardiographic pitfalls in the diagnosis of hypertrophic cardiomyopathy. Heart 1999 1.45
18 Genetic testing for familial hypertrophic cardiomyopathy in newborn infants. BMJ 1995 1.44
19 Usefulness of echocardiography to differentiate dilated cardiomyopathy from coronary-induced congestive heart failure. Am J Cardiol 1991 1.43
20 Angiosarcoma of the heart causing cardiac rupture: a rare cause of hemopericardium. Ann Thorac Surg 1993 1.42
21 QT interval in cardiac amyloidosis. Clin Cardiol 1996 1.41
22 Central role of echocardiography in the diagnosis and assessment of heart failure. British Society of Echocardiography. Heart 1998 1.38
23 Natural history of early aortic paraprosthetic regurgitation: a five-year follow-up. Am Heart J 1999 1.35
24 Progressive cardiac amyloidosis following liver transplantation for familial amyloid polyneuropathy: implications for amyloid fibrillogenesis. Transplantation 1998 1.35
25 Identification of a mutation in the beta cardiac myosin heavy chain gene in a family with hypertrophic cardiomyopathy. Br Heart J 1993 1.15
26 Echocardiographic measurement of right ventricular wall thickness in hypertrophic cardiomyopathy: relation to clinical and prognostic features. J Am Coll Cardiol 1988 1.13
27 BSE procedure guidelines for the clinical application of stress echocardiography, recommendations for performance and interpretation of stress echocardiography: a report of the British Society of Echocardiography Policy Committee. Heart 2004 1.12
28 QT-interval abnormalities in hypertrophic cardiomyopathy. Clin Cardiol 1992 1.11
29 A new strategy for the assessment of viable myocardium and regional myocardial blood flow using 15O-water and dynamic positron emission tomography. Circulation 1992 1.07
30 Setting up a transoesophageal echocardiography service. Br Heart J 1994 1.07
31 Echocardiographic measures of left ventricular structure and their relation with rest and ambulatory blood pressure in blacks and whites in the United Kingdom. J Am Coll Cardiol 1994 1.07
32 Extent and severity of atherosclerotic involvement of the aortic valve and root in familial hypercholesterolaemia. Heart 1998 1.07
33 Lipomatous hypertrophy of the interatrial septum: a commonly misdiagnosed mass often leading to unnecessary cardiac surgery. Heart 2004 1.02
34 Aortic stenosis in homozygous familial hypercholesterolaemia. Heart 1996 1.01
35 Aspirin to prevent growth of vegetations and cerebral emboli in infective endocarditis. J Intern Med 1992 1.01
36 Marked variation in the cardiomyopathy associated with Friedreich's ataxia. Heart 1999 1.00
37 Diffuse reduction of myocardial beta-adrenoceptors in hypertrophic cardiomyopathy: a study with positron emission tomography. J Am Coll Cardiol 1993 0.99
38 Utility of echocardiography in assessment of pulmonary hypertension secondary to COPD. Eur Respir J 2001 0.98
39 Echocardiographic evaluation of cardiac dyssynchrony for predicting a favourable response to cardiac resynchronisation therapy. Heart 2004 0.98
40 Preoperative prediction of the outcome of coronary revascularization using positron emission tomography. Circulation 1992 0.97
41 Sarcoidosis: a pattern of clinical and morphological presentation. Br Heart J 1987 0.96
42 Absence of atherosclerotic lesions in the thoracic aorta indicates absence of significant coronary artery disease. Am J Cardiol 1996 0.94
43 The electrocardiogram is a more sensitive indicator than echocardiography of hypertrophic cardiomyopathy in families with a mutation in the MYH7 gene. Br Heart J 1994 0.93
44 Echocardiographic characterization of cardiomyopathy in Friedreich's ataxia with tissue Doppler echocardiographically derived myocardial velocity gradients. Circulation 2000 0.92
45 Coronary vasodilator reserve in primary and secondary left ventricular hypertrophy. A study with positron emission tomography. Eur Heart J 1997 0.92
46 Myocardial beta adrenoceptors and left ventricular function in hypertrophic cardiomyopathy. Heart 1996 0.91
47 Adjustment for the influence of age and heart rate on Doppler measurements of left ventricular filling. Br Heart J 1992 0.91
48 Right ventricular abnormalities in ventricular tachycardia of right ventricular origin: relation to electrophysiological abnormalities. Br Heart J 1986 0.91
49 Effects of cardiac resynchronisation therapy in patients with heart failure having a narrow QRS Complex enrolled in PROSPECT. Heart 2010 0.90
50 Investigation of a hemodynamic basis for syncope in hypertrophic cardiomyopathy. Use of a head-up tilt test. Circulation 1992 0.90
51 Clinical evaluation of left heart Doppler contrast enhancement by a saccharide-based transpulmonary contrast agent. The Levovist Cardiac Working Group. J Am Coll Cardiol 1995 0.90
52 Duration of symptoms and the effects of a more aggressive surgical policy: two factors affecting prognosis of infective endocarditis. Eur Heart J 1985 0.89
53 Comparison of dobutamine and treadmill exercise echocardiography in inducing ischemia in patients with coronary artery disease. J Am Coll Cardiol 1997 0.89
54 Transient myocardial ischemia during daily life in patients with syndrome X. Am J Cardiol 1986 0.88
55 Extreme variability of skeletal and cardiac muscle involvement in patients with mutations in exon 11 of the lamin A/C gene. Muscle Nerve 2005 0.87
56 Stress echocardiography for assessing myocardial ischaemia and viable myocardium. Heart 1997 0.87
57 Four year follow up of aortic valve replacement for isolated aortic stenosis: a link between reduction in pressure overload, regression of left ventricular hypertrophy, and diastolic function. Heart 2001 0.86
58 How to quantitate valve regurgitation by echo Doppler techniques. British Society of Echocardiography. Br Heart J 1995 0.85
59 Non-bacterial thrombotic endocarditis. Eur J Echocardiogr 2000 0.85
60 The standard electrocardiogram as a screening test for hypertrophic cardiomyopathy. Am J Cardiol 1995 0.85
61 Uses and limitations of high dose dipyridamole stress echocardiography for evaluation of coronary artery disease. Br Heart J 1992 0.85
62 Echocardiographic features of primary, secondary and familial amyloidosis. Eur J Clin Invest 1999 0.84
63 The effect of long-term training on age-related left ventricular changes by Doppler myocardial velocity gradient. Am J Cardiol 1999 0.84
64 Comparison of usefulness between exercise capacity and echocardiographic indexes of left ventricular function in cardiac amyloidosis. Am J Cardiol 1999 0.84
65 Echocardiographic assessment of artificial heart valves: British Society of Echocardiography position paper. Br Heart J 1994 0.84
66 The effect of age on vascular compliance in man: which are the appropriate measures? J Hum Hypertens 1999 0.84
67 Report on the European Association of Echocardiography accreditations in echocardiography: December 2003-September 2006. Eur J Echocardiogr 2006 0.84
68 Hyperdynamic performance of remote myocardium in acute infarction. Correlation between regional contractile function and myocardial perfusion. Eur Heart J 1995 0.84
69 Elevated plasma endothelin concentrations in heart failure; an effect of angiotensin II? Eur Heart J 1994 0.82
70 A comparison of left ventricular abnormalities associated with glucose intolerance in African Caribbeans and Europeans in the UK. Heart 2001 0.82
71 Intracardiac contrast echoes during transvenous His bundle ablation. Br Heart J 1985 0.82
72 Cardiac tissue velocities and strain rate in the early detection of myocardial dysfunction of asymptomatic boys with Duchenne's muscular dystrophy: relationship to clinical outcome. Heart 2005 0.82
73 Differentiation between restrictive cardiomyopathy and constrictive pericarditis by early diastolic doppler myocardial velocity gradient at the posterior wall. Circulation 2000 0.81
74 Right ventricular pacing wire thrombus presenting as pyrexia of unknown origin. Clin Cardiol 1989 0.81
75 Tricuspid valvectomy following tricuspid valve endocarditis on an intravenous drug addict. Heart 2001 0.81
76 Significance of persistent left ventricular dysfunction during recovery after dobutamine stress echocardiography. J Am Coll Cardiol 1997 0.81
77 Comparison of myocardial contrast echocardiography with NC100100 and (99m)Tc sestamibi SPECT for detection of resting myocardial perfusion abnormalities in patients with previous myocardial infarction. Heart 2000 0.81
78 Negative stress echocardiographic responses in normotensive and hypertensive patients with angina pectoris, positive exercise stress testing, and normal coronary arteriograms. Heart 2000 0.81
79 Diagnostic value of two-dimensional echocardiography in cardiac hydatid disease. Eur Heart J 1991 0.80
80 Differences in the association between type 2 diabetes and impaired microvascular function among Europeans and African Caribbeans. Diabetologia 2005 0.80
81 Autonomic function in hypertrophic cardiomyopathy. Br Heart J 1993 0.80
82 Prolonged left ventricular dysfunction occurs in patients with coronary artery disease after both dobutamine and exercise induced myocardial ischaemia. Heart 2000 0.79
83 Myocardial beta adrenoceptor density in primary and secondary left ventricular hypertrophy. Eur Heart J 1996 0.79
84 Echocardiographic assessment of the right ventricle in Ebstein's anomaly: relation to clinical outcome. J Am Coll Cardiol 1986 0.79
85 Assessment of left ventricular wall motion and delineation of the endocardial border after intravenous injection of Infoson during dobutamine stress echocardiography. Coron Artery Dis 1998 0.79
86 The value of cross-sectional echocardiography in detecting perioperative myocardial infarction following coronary artery bypass graft surgery. Eur Heart J 1986 0.79
87 Preeclampsia: What Does the Father Have to Do with It? Curr Hypertens Rep 2015 0.79
88 NC100100, a new echo contrast agent for the assessment of myocardial perfusion--safety and comparison with technetium-99m sestamibi single-photon emission computed tomography in a randomized multicenter study. Clin Cardiol 1999 0.79
89 Aortic atherosclerotic lesions in the thoracic aorta detected by multiplane transesophageal echocardiography as a predictor of coronary artery disease in elderly patients. Clin Cardiol 2000 0.78
90 Evaluation of dipyridamole-Doppler echocardiography for detection of myocardial ischemia and coronary artery disease. Am J Cardiol 1991 0.78
91 Aspirin reduces anticardiolipin antibodies in patients with coronary artery disease. Eur J Clin Invest 2006 0.78
92 Amiodarone reduces QT dispersion in patients with hypertrophic cardiomyopathy. Int J Cardiol 1992 0.78
93 Role of transient ischaemia and perioperative myocardial infarction in the genesis of new septal wall motion abnormalities after coronary bypass surgery. Br Heart J 1985 0.78
94 Effects of lisinopril on cardiorespiratory, neuroendocrine, and renal function in patients with asymptomatic left ventricular dysfunction. Br Heart J 1993 0.78
95 Cross sectional echocardiographic identification of hypoplastic left heart syndrome and differentiation from other causes of right ventricular overload. Br Heart J 1990 0.77
96 Pharmacological stress echocardiography in the evaluation of coronary artery disease. Postgrad Med J 1991 0.77
97 Hypotensive response during dobutamine stress echocardiography in coronary patients: a common event of well-functioning left ventricle. Clin Cardiol 1998 0.77
98 Acquired right ventricular dysfunction. Heart 2006 0.77
99 The use of real-time three-dimensional echocardiography for assessing mechanical synchronicity. Heart 2009 0.77
100 Reduction of daily life ischaemia by aspirin in patients with angina: underlying link between thromboxane A2 and macrophage colony stimulating factor. Heart 2004 0.76
101 Effects of peptide YY on the human cardiovascular system: reversal of responses to vasoactive intestinal peptide. Am J Physiol 1992 0.76
102 Influence of left ventricular hypertrophy and function on the occurrence of ventricular tachycardia in hypertrophic cardiomyopathy. Am J Cardiol 1992 0.76
103 Plasma neuro-endocrine activity in very elderly subjects and patients with and without heart failure. Eur Heart J 1995 0.76
104 Sonovue improves endocardial border detection and variability in assessing wall motion score and ejection fraction during stress echocardiography. Ir J Med Sci 2005 0.76
105 Peripartum cardiomyopathy with recovery in a patient with coincidental Eisenmenger ventricular septal defect. Br Heart J 1992 0.75
106 Hereditary cardiac amyloidosis. Eur Heart J 1998 0.75
107 Stress echocardiography in the community. Eur Heart J 1998 0.75
108 Left atrial myxoma: new perspectives in the diagnosis of murmur free cases. Br Heart J 1986 0.75
109 Can the dipyridamole-Doppler stress test detect myocardial ischemia? Am J Cardiol 1991 0.75
110 Stress echocardiography: time for critical reappraisal. Br Heart J 1993 0.75
111 Early risk-stratification in patients with angina but non-diagnostic ECG. Eur Heart J 2000 0.75
112 Cardiovascular effects of Org OD 14--a new steroidal therapy for climacteric symptoms. Maturitas 1991 0.75
113 Shortened aortic ejection period with consequent apparent early diastolic murmur in mitral valve prolapse syndrome. Am Heart J 1982 0.75
114 Cardiovascular and hormonal responses to a meal in hypertrophic cardiomyopathy: a comparison of patients with and without postprandial exacerbation of symptoms. Clin Cardiol 1996 0.75
115 Symptoms of hypertrophic cardiomyopathy, with special emphasis on syncope and postprandial exacerbation of symptoms. Clin Cardiol 1996 0.75
116 Routine arterial oxygen saturation monitoring is not necessary during transesophageal echocardiography. Clin Cardiol 1997 0.75
117 [Segmental abnormalities of left ventricular contraction in dilated cardiomyopathy]. Rev Med Chil 1988 0.75
118 [Systemic lupus erythematosus: valvular regurgitation and its relation to anticardiolipin antibodies]. Rev Med Chil 1993 0.75
119 [Differential diagnosis of congestive cardiomyopathy and myocardial ischemia: two-dimensional echocardiography has a limited value]. Rev Med Chil 1991 0.75
120 Echocardiographic assessment of cardiac involvement in systemic AL amyloidosis in relation to whole body amyloid load measured by serum amyloid P component (SAP) clearance. Am J Cardiol 1997 0.75
121 Echocardiography 1994. Br Heart J 1994 0.75
122 Cardiac responses assessed by echocardiography to changes in preload in hypertrophic cardiomyopathy. Am J Cardiol 1994 0.75
123 Beat-to-beat variability in stroke volume during VVI pacing as predictor of hemodynamic benefit from DDD pacing. Pacing Clin Electrophysiol 1993 0.75
124 The future of cardiovascular imaging and non-invasive diagnosis: a joint statement from the European Association of Echocardiography, the Working Groups on Cardiovascular Magnetic Resonance, Computers in Cardiology, and Nuclear Cardiology, of the European Society of Cardiology, the European Association of Nuclear Medicine, and the Association for European Paediatric Cardiology. Eur J Echocardiogr 2006 0.75
125 Relation between exercise and dobutamine stress-induced wall motion abnormalities and severity and location of stenosis in single-vessel coronary artery disease. Am Heart J 1999 0.75
126 Safety and efficacy of computerized closed-loop delivery of arbutamine: a new pharmacologic myocardial stress modality for the assessment of coronary artery disease. The European Arbutamine Study Group. J Am Soc Echocardiogr 1996 0.75
127 Echocardiography 1995. Br Heart J 1995 0.75
128 Echocardiography 1996. Heart 1996 0.75
129 Myocardial depression and nephrotic syndrome in Streptococcus sanguis endocarditis. Q J Med 1985 0.75
130 [Left ventricular thrombosis detected by two-dimensional echocardiography in dilated cardiomyopathy]. Rev Med Chil 1987 0.75
131 [Valvular insufficiency in dilated cardiomyopathy diagnosed by color Doppler echocardiography]. Rev Med Chil 1989 0.75
132 [A rare differential diagnosis from pericardial effusion: in echocardiography: giant left atrium (author's transl)]. Ann Cardiol Angeiol (Paris) 1980 0.75
133 Response of left atrial systolic function to handgrip in normal subjects. Am Heart J 1995 0.75
134 Pericarditis in infective endocarditis. Eur Heart J 1985 0.75
135 Assessment of colour flow imaging in the grading of valvular regurgitation. Eur Heart J 1990 0.75
136 [Echographic diagnosis of pulmonary hypertension in the adult]. Arch Mal Coeur Vaiss 1982 0.75