Publications
669 results found
RYAN MP, FRENCH JA, JOSHI J, et al., 1994, IS HYPERTROPHIC CARDIOMYOPATHY IN THE ELDERLY A HETEROGENOUS DIAGNOSIS, JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY, Pages: A465-A465, ISSN: 0735-1097
Al-Mahdawi W, Chamberlain S, Chojnowska L, et al., 1994, Erratum: 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; 72 (105-111)), British Heart Journal, Vol: 72, ISSN: 0007-0769
Dritsas A, Oakley CM, Nihoyannopoulos P, 1994, Dual-chamber pacing: An alternative treatment for the patient with cardiomyopathy?, Hellenic Journal of Cardiology, Vol: 35, Pages: 117-123
Recent studies have suggested that dual-chamber pacing (DDD) can improve hemodynamics and symptomatology in patients with idiopathic dilated cardiomyopathy (DCM) refractory to medical treatment even in the absence of bradyarrhythmia. There is growing evidence that a short (< 100 ms) programmed AV interval during DDD pacing improves both hemodynamics and exercise capacity by increasing ventricular filling time and diminishing presystolic mitral regurgitation. Also in hypertrophic cardiomyopathy (HCM) long-term DDD pacing can reduce left ventricular outflow tract gradient, and improve hemodynamics and clinical status. It can be used as an alternative form of treatment in the patient with obstructive HCM refractory to medical treatment with β-blockers or Ca2. antagonists. The key factor in HCM is the selection of an appropriate AV interval and there is evidence to show that the optimal AV interval has to be significantly shorter than the native AV interval on sinus rhythm. Both in DCM and HCM, Doppler echocardiography can be an easy and particularly useful method to derive the optimal AV interval during DDD pacing.
Monaghan MJ, Nihoyannopoulos P, 1994, Echocardiography 1994, Heart, Vol: 71, ISSN: 1355-6037
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- Citations: 1
CELERMAJER DS, BULL C, TILL JA, et al., 1994, EBSTEINS-ANOMALY - PRESENTATION AND OUTCOME FROM FETUS TO ADULT, JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY, Vol: 23, Pages: 170-176, ISSN: 0735-1097
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- Citations: 250
Nihoyannopoulos P, Williams J, 1994, The role of stress doppler echocardiography in the evaluation of cardiovascular disease, Cardioscopies, Vol: 25, Pages: 256-263
LEFROY DC, DESILVA R, CHOUDHURY L, et al., 1993, DIFFUSE REDUCTION OF MYOCARDIAL BETA-ADRENOCEPTORS IN HYPERTROPHIC CARDIOMYOPATHY - A STUDY WITH POSITRON EMISSION TOMOGRAPHY, JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY, Vol: 22, Pages: 1653-1660, ISSN: 0735-1097
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- Citations: 70
CHOUDHURY L, PATEL D, NIHOYANNOPOULOS P, et al., 1993, IS CORONARY FLOW RESERVE DIFFERENT IN PRIMARY AND SECONDARY LEFT-VENTRICULAR HYPERTROPHY, CIRCULATION, Vol: 88, Pages: 345-345, ISSN: 0009-7322
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- Citations: 1
DRITSAS A, CIARAMELLA F, OAKLEY CM, et al., 1993, EFFECTS OF POSTEXTRASYSTOLIC BEAT ON DOPPLER INDEXES OF LEFT-VENTRICULAR FUNCTION IN PATIENTS WITH HEART-FAILURE, CIRCULATION, Vol: 88, Pages: 59-59, ISSN: 0009-7322
DRITSAS A, JOSHI J, WEBB SC, et al., 1993, BEAT-TO-BEAT VARIABILITY IN STROKE VOLUME DURING VVI PACING AS PREDICTOR OF HEMODYNAMIC BENEFIT FROM DDD PACING, PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY, Vol: 16, Pages: 1713-1718, ISSN: 0147-8389
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- Citations: 3
Nihoyannopoulos P, 1993, Atherosclerosis of the aortic arch and the risk of ischaemic stroke, Abstracts in Cardiology, Vol: 96, Pages: 75-75
NIHOYANNOPOULOS P, JOSHI J, ATHANASOPOULOS G, et al., 1993, DETECTION OF ATHEROSCLEROTIC LESIONS IN THE AORTA BY TRANSESOPHAGEAL ECHOCARDIOGRAPHY, AMERICAN JOURNAL OF CARDIOLOGY, Vol: 71, Pages: 1208-1212, ISSN: 0002-9149
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- Citations: 115
NIHOYANNOPOULOS P, KARATASAKIS G, JOSHI J, et al., 1993, INTRAVENTRICULAR SYSTOLIC FLOW MAPPING IN HYPERTROPHIC CARDIOMYOPATHY, ECHOCARDIOGRAPHY-A JOURNAL OF CARDIOVASCULAR ULTRASOUND AND ALLIED TECHNIQUES, Vol: 10, Pages: 121-132, ISSN: 0742-2822
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- Citations: 1
DIAZ RA, ATHANASSOPOULOS G, NIHOYANNOPOULOS P, 1993, VALVULAR REGURGITATION AND ITS RELATION TO ANTICARDIOLIPIN ANTIBODIES IN PATIENTS WITH SYSTEMIC LUPUS-ERYTHEMATOSUS, REVISTA MEDICA DE CHILE, Vol: 121, Pages: 156-161, ISSN: 0034-9887
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- Citations: 1
Díaz RA, Athanassopoulos G, Nihoyannopoulos P, 1993, [Systemic lupus erythematosus: valvular regurgitation and its relation to anticardiolipin antibodies]., Rev Med Chil, Vol: 121, Pages: 156-161, ISSN: 0034-9887
The aim of this study was to assess the relationship between the incidence and severity of valvular regurgitation and the presence of high levels of anticardiolipin antibodies in a group of patients with systemic lupus erythematosus. Fifty patients aged 35.5 +/- 13.4 years and 84 healthy age and sex matched controls were studied with two dimensional echocardiography with color flow imaging. IgG and IgM anticardiolipin antibodies were measured in all patients within a week of the echocardiographic study. Patients had a similar incidence of aortic, tricuspid and pulmonic regurgitation than normals. However there was a greater incidence of mitral regurgitation among patients (56 vs 21% p < 0.001). The seven patients with moderate or severe mitral regurgitation had Libman Sacks vegetations of the valve. Twenty five of 28 patients with mitral regurgitation had increased anticardiolipin antibodies; moreover, these levels were significantly higher among patients with mitral regurgitation and thickened mitral valves than those with normal valves. Patients with increased anticardiolipin antibodies had a higher incidence of Libman Sacks vegetations. No association between the presence of these antibodies and the severity of aortic, pulmonic or tricuspid regurgitation was observed. It is concluded that the incidence of mitral valve regurgitation is increased in systemic lupus erythematosus and related to raised anticardiolipin antibodies.
OHRI SK, NIHOYANNOPOULOS P, TAYLOR KM, et al., 1993, ANGIOSARCOMA OF THE HEART CAUSING CARDIAC RUPTURE - A RARE CAUSE OF HEMOPERICARDIUM, ANNALS OF THORACIC SURGERY, Vol: 55, Pages: 525-528, ISSN: 0003-4975
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- Citations: 14
Nihoyannopoulos P, Karatasakis G, Joshi J, et al., 1993, Intraventricular systolic flow mapping in hypertrophic cardiomyopathy, Echocardiography, Vol: 10, Pages: 121-132
Nihoyannopoulos P, McKenna WJ, 1993, Hypertrophic Cardiomyopathy, A European Textbook of Cardiac Ultrasound, Editors: Roelandt, Sutherland, Iliceto, Linker, London, Publisher: Churchill Livingstone, Pages: 371-389
Nihoyannopoulos P, 1993, Tumours and Masses, Clinical Ultrasound: A comprehensive text, Editors: Wilde, London, Publisher: Churchill Livingstone, Pages: 243-258
Nihoyannopoulos P, 1993, Infective Endocarditis, Clinical Ultrasound - A compreshensive text, Editors: Wilde, London, Publisher: Churchill Livingstone, Pages: 209-222
Nihoyannopoulos P, 1993, Cardiography, Clinical Ultrasound - A comprehensive text, Editors: Wilde, London, Publisher: Churchill Livingstone, Pages: 191-208
Nihoyannopoulos P, 1993, The use of echo-Doppler cardiography in measuring cardiac output, Cardiac output and regional flow in health and disease, Editors: Salmasi AM, Iskadrian, The Netherlands, Publisher: Kluwer Academic Publishers, Pages: 31-45
DESILVA R, YAMAMOTO Y, RHODES CG, et al., 1992, PREOPERATIVE PREDICTION OF THE OUTCOME OF CORONARY REVASCULARIZATION USING POSITRON EMISSION TOMOGRAPHY, CIRCULATION, Vol: 86, Pages: 1738-1742, ISSN: 0009-7322
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- Citations: 104
NIHOYANNOPOULOS P, OAKLEY CM, 1992, DIASTOLIC FUNCTION IN HYPERTROPHIC CARDIOMYOPATHY - REPLY, JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY, Vol: 20, Pages: 1304-1304, ISSN: 0735-1097
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- Citations: 1
DRITSAS A, GILLIGAN D, SBAROUNI E, et al., 1992, INFLUENCE OF LEFT-VENTRICULAR HYPERTROPHY AND FUNCTION ON THE OCCURRENCE OF VENTRICULAR-TACHYCARDIA IN HYPERTROPHIC CARDIOMYOPATHY, AMERICAN JOURNAL OF CARDIOLOGY, Vol: 70, Pages: 913-916, ISSN: 0002-9149
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- Citations: 5
DRITSAS A, SBAROUNI E, GILLIGAN D, et al., 1992, QT-INTERVAL ABNORMALITIES IN HYPERTROPHIC CARDIOMYOPATHY, CLINICAL CARDIOLOGY, Vol: 15, Pages: 739-742, ISSN: 0160-9289
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- Citations: 82
LEFROY DC, DESILVA R, CHOUDHURY L, et al., 1992, MYOCARDIAL BETA-ADRENOCEPTOR DENSITY IS REDUCED IN HYPERTROPHIC CARDIOMYOPATHY, CIRCULATION, Vol: 86, Pages: 246-246, ISSN: 0009-7322
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- Citations: 1
DRITSAS A, GILLIGAN D, NIHOYANNOPOULOS P, et al., 1992, AMIODARONE REDUCES QT DISPERSION IN PATIENTS WITH HYPERTROPHIC CARDIOMYOPATHY, INTERNATIONAL JOURNAL OF CARDIOLOGY, Vol: 36, Pages: 345-349, ISSN: 0167-5273
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- Citations: 32
YAMAMOTO Y, DESILVA R, RHODES CG, et al., 1992, A NEW STRATEGY FOR THE ASSESSMENT OF VIABLE MYOCARDIUM AND REGIONAL MYOCARDIAL BLOOD-FLOW USING O-15-WATER AND DYNAMIC POSITRON EMISSION TOMOGRAPHY, CIRCULATION, Vol: 86, Pages: 167-178, ISSN: 0009-7322
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- Citations: 119
GILLIGAN DM, NIHOYANNOPOULOS P, CHAN WL, et al., 1992, INVESTIGATION OF A HEMODYNAMIC BASIS FOR SYNCOPE IN HYPERTROPHIC CARDIOMYOPATHY - USE OF A HEAD-UP TILT TEST, CIRCULATION, Vol: 85, Pages: 2140-2148, ISSN: 0009-7322
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- Citations: 55
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