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Stefani LD, Trivedi SJ, Ferkh A, Emerson P, Marschner S, Gan G, Altman M, Thomas L. Left atrial mechanics evaluated by two-dimensional strain analysis: alterations in essential hypertension. J Hypertens 2024; 42:274-282. [PMID: 37937486 DOI: 10.1097/hjh.0000000000003615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2023]
Abstract
BACKGROUND Hypertension is a cardiovascular risk factor that predisposes to cardiac structural alterations namely increased left ventricular (LV) wall thickness, reduced LV compliance and diastolic dysfunction, with consequent left atrial (LA) dilation and functional impairment. In this article, we evaluated differences in left atrial structure and function using two-dimensional speckle tracking echocardiography in patients with hypertension compared with controls. METHODS This was a retrospective cross-sectional study of 208 hypertensive patients and 157 controls who underwent a comprehensive transthoracic echocardiogram. Patients with hypertension were stratified by the presence of left ventricular hypertrophy (LVH). RESULTS Non-LVH hypertension patients had lower left atrial reservoir strain (LAS RES ) (34.78 ± 29.78 vs. 29.78 ± 6.08; P = 0.022) and conduit strain (LAS CD ) (19.66 ± 7.29 vs. 14.23 ± 4.59; P = 0.014) vs. controls despite similar left atrial volumes (LAV) . Left atrial contractile strain (LAS CT ) was not significantly different between non-LVH hypertension patients and controls (15.12 ± 3.77 vs. 15.56 ± 3.79; P = 0.601). Left atrial mechanical dispersion was significantly higher in the LVH group compared with the non-LVH hypertension group (42.26 ± 13.01 vs. 50.06 ± 14.95; P = 0.009). In multivariate regression analysis, LVH correlated with left atrial mechanical dispersion ( P = 0.016). An age-hypertension interaction independently correlated with LAS CT ( P < 0.001). CONCLUSION Hypertension results in functional left atrial changes even before development of LV hypertrophy and structural left atrial changes with increased left atrial volume. We demonstrate both a likely hypertension-associated left atrial myopathy that prevents age-related compensatory increase in left atrial contractile function, and impact of LVH in hypertension on left atrial dyssynchrony.
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Affiliation(s)
- Luke D Stefani
- Westmead Clinical School, University of Sydney
- Cardiology Department, Westmead Hospital
| | - Siddharth J Trivedi
- Westmead Clinical School, University of Sydney
- Cardiology Department, Westmead Hospital
| | - Aaisha Ferkh
- Westmead Clinical School, University of Sydney
- Cardiology Department, Westmead Hospital
| | - Peter Emerson
- Westmead Clinical School, University of Sydney
- Cardiology Department, Westmead Hospital
| | - Simone Marschner
- Westmead Applied Research Centre, Faculty of Medicine and Health, The University of Sydney, Westmead Hospital, Westmead
| | - Gary Gan
- Cardiology Department, Blacktown Hospital, Sydney
| | - Mikhail Altman
- Westmead Clinical School, University of Sydney
- Cardiology Department, Blacktown Hospital, Sydney
| | - Liza Thomas
- Westmead Clinical School, University of Sydney
- Cardiology Department, Blacktown Hospital, Sydney
- Southwestern Clinical School, University of New South Wales, Sydney, NSW, Australia
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Leboube S, Camboulives L, Bochaton T, Amaz C, Bergerot C, Altman M, Loppinet T, Cherpaz M, Monsec T, Sportouch C, Trinh A, Soulier C, Bernard A, Derumeaux G, Mewton N, Ovize M, Thibault H. What underlies sex differences in heart failure onset within the first year after a first myocardial infarction? Front Cardiovasc Med 2024; 10:1290375. [PMID: 38322272 PMCID: PMC10844509 DOI: 10.3389/fcvm.2023.1290375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Accepted: 12/13/2023] [Indexed: 02/08/2024] Open
Abstract
Background Women are more likely to develop heart failure (HF) after myocardial infarction. However, diagnosis and reperfusion are often delayed. Objectives To compare the prevalence of HF after primary percutaneous coronary intervention (PPCI)-treated ST segment myocardial infarction (STEMI) between sexes and to study its associations with comorbidities, infarct size, and left ventricular (LV) systolic and diastolic dysfunctions (DD). Methods The patients with PPCI-treated anterior STEMI, from the CIRCUS study cohort, were followed up for 1 year and HF events were recorded. Evaluation of ejection fraction (LVEF) and DD were performed at baseline and at 1 year. The elevated LV filling pressure (LVFP) included Grades 2 and 3 DD. Results Of the 791 patients from the CIRCUS study, 135 were women. At 1 year, the proportion of patients who developed HF was 21% among men and 34% among women (p = 0.001). In the subset of 407 patients with available diastolic parameters, the rate of HF was also higher in women. HF during the initial hospitalization was comparable between the sexes. However, women had a higher incidence of rehospitalization for HF within the first year after STEMI (14.1% vs. 4.1%, p = 0.005). Women were older with a higher prevalence of hypertension. The infarct size and LVEF were similar between the sexes. Elevated LVFP was observed more frequently in women than in men during the initial hospitalization and at 1 year (26% vs. 12%, p = 0.04, and 22% vs. 12%, p = 0.006, respectively). Interestingly, only initial elevated LVFP (HR 5.9, 95% CI: 2.4-14.5, p < 0.001), age, and hypertension were independently associated with rehospitalization for HF. Conclusions After PPCI-treated anterior STEMI, despite comparable infarct size and LVEF, women presented a higher proportion of rehospitalization for HF than men. That was likely due to a greater DD associated with older age and hypertension.
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Affiliation(s)
- Simon Leboube
- Explorations Fonctionnelles Cardiovasculaires, Hôpital Louis Pradel, Hospices Civils de Lyon, Bron, France
- Laboratoire CarMeN – IRIS Team, INSERM, INRA, Université Claude Bernard Lyon-1, 21 Univ-Lyon, Bron, France
| | - Louise Camboulives
- Explorations Fonctionnelles Cardiovasculaires, Hôpital Louis Pradel, Hospices Civils de Lyon, Bron, France
| | - Thomas Bochaton
- Laboratoire CarMeN – IRIS Team, INSERM, INRA, Université Claude Bernard Lyon-1, 21 Univ-Lyon, Bron, France
- Centre d'investigation clinique de Lyon, Hospices Civils de Lyon, Lyon, France
| | - Camille Amaz
- Centre d'investigation clinique de Lyon, Hospices Civils de Lyon, Lyon, France
| | - Cyrille Bergerot
- Explorations Fonctionnelles Cardiovasculaires, Hôpital Louis Pradel, Hospices Civils de Lyon, Bron, France
| | - Mikhail Altman
- Explorations Fonctionnelles Cardiovasculaires, Hôpital Louis Pradel, Hospices Civils de Lyon, Bron, France
| | - Thomas Loppinet
- Centre d'investigation clinique de Lyon, Hospices Civils de Lyon, Lyon, France
| | - Maelle Cherpaz
- Laboratoire CarMeN – IRIS Team, INSERM, INRA, Université Claude Bernard Lyon-1, 21 Univ-Lyon, Bron, France
| | - Thierry Monsec
- Service de Cardiologie, Centre Hospitalier de Valence, Valence, France
| | | | - Annie Trinh
- Service de Cardiologie, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
| | | | - Anne Bernard
- Service de Cardiologie, Centre Hospitalier Universitaire de Tours, Tours, France
| | - Genevieve Derumeaux
- Service de Cardiologie, Hôpitaux Universitaires Henri Mondor, Créteil, France
| | - Nathan Mewton
- Laboratoire CarMeN – IRIS Team, INSERM, INRA, Université Claude Bernard Lyon-1, 21 Univ-Lyon, Bron, France
- Centre d'investigation clinique de Lyon, Hospices Civils de Lyon, Lyon, France
| | - Michel Ovize
- Explorations Fonctionnelles Cardiovasculaires, Hôpital Louis Pradel, Hospices Civils de Lyon, Bron, France
- Laboratoire CarMeN – IRIS Team, INSERM, INRA, Université Claude Bernard Lyon-1, 21 Univ-Lyon, Bron, France
| | - Hélène Thibault
- Explorations Fonctionnelles Cardiovasculaires, Hôpital Louis Pradel, Hospices Civils de Lyon, Bron, France
- Laboratoire CarMeN – IRIS Team, INSERM, INRA, Université Claude Bernard Lyon-1, 21 Univ-Lyon, Bron, France
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Emerson P, Stefani L, Boyd A, Richards D, Hui R, Altman M, Thomas L. Alterations in Left Atrial Strain in Breast Cancer Patients Immediately Post Anthracycline Exposure. Heart Lung Circ 2023:S1443-9506(23)04291-9. [PMID: 37806911 DOI: 10.1016/j.hlc.2023.06.864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 06/19/2023] [Indexed: 10/10/2023]
Abstract
AIMS With improved diagnosis and treatments, a greater percentage of breast cancer patients are achieving long-term survival. Consequently, long-term cardiotoxicity secondary to chemotherapy has become more prevalent, warranting improved cardiac surveillance. We evaluated changes in left atrial (LA) strain in breast cancer patients immediately post anthracycline (AC) therapy to assess its utility as a marker of diastolic dysfunction. METHODS This was a prospective cohort study of 128 consecutive human epidermal growth factor receptor 2 (HER2)-negative breast cancer patients who underwent transthoracic echocardiography prior to and immediately post AC treatment. Traditional left ventricular (LV) systolic and diastolic parameters and LA volumes were evaluated; additionally, LV global longitudinal strain (LV GLS) and LA phasic strain were measured. RESULTS All patients had normal LV ejection fraction (>53%) post AC, though LV GLS was significantly reduced. Peak E and é velocities were reduced post AC, with no change in LA volumes. LA reservoir strain (LASRES 34.8% vs 31.5%, p<0.001) and conduit strain (LASCD 17.2% vs 14.4%, p<0.001) were significantly lower post AC and correlated modestly with LV diastolic parameters. Reduction in LA strain post AC was evident even in patients with preserved LV systolic and diastolic function. More patients demonstrated alteration in diastolic function (≥15% reduction in LASRES from baseline) (32%) compared to alteration in systolic function (≥15% reduction in LV GLS) (23%). CONCLUSIONS LA strain is a promising marker of early diastolic dysfunction. We demonstrate its potential utility in surveillance of breast cancer patients treated with AC.
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Affiliation(s)
- Peter Emerson
- Department of Cardiology, Westmead Hospital, Sydney, NSW, Australia; Westmead Clinical School, The University of Sydney, Sydney, NSW, Australia
| | - Luke Stefani
- Department of Cardiology, Westmead Hospital, Sydney, NSW, Australia
| | - Anita Boyd
- Westmead Private Cardiology, Westmead, Sydney, NSW, Australia
| | - David Richards
- Westmead Private Cardiology, Westmead, Sydney, NSW, Australia
| | - Rina Hui
- Westmead Clinical School, The University of Sydney, Sydney, NSW, Australia; The Crown Princess Mary Cancer Centre, Westmead Hospital, Sydney, NSW, Australia
| | - Mikhail Altman
- Department of Cardiology, Westmead Hospital, Sydney, NSW, Australia; Westmead Clinical School, The University of Sydney, Sydney, NSW, Australia
| | - Liza Thomas
- Department of Cardiology, Westmead Hospital, Sydney, NSW, Australia; Westmead Clinical School, The University of Sydney, Sydney, NSW, Australia.
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Stefani L, Brown P, Gerges M, Emerson P, Ferkh A, Kairaitis K, Gilroy N, Altman M, Thomas L. Echocardiographic Assessment in Patients Recovered from Acute COVID-19 Illness. J Cardiovasc Dev Dis 2023; 10:349. [PMID: 37623362 PMCID: PMC10456092 DOI: 10.3390/jcdd10080349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 08/11/2023] [Accepted: 08/12/2023] [Indexed: 08/26/2023] Open
Abstract
Coronavirus (COVID-19) infections have spread rapidly worldwide and posed an immense public health problem. COVID-19 infection can affect the cardiovascular system both acutely and in patients followed up some period after COVID-19 infection. The aim of this study was to evaluate left ventricular (LV) and right ventricular (RV) function by echocardiography in COVID-19 recovered patients (hospitalized and non-hospitalized). Forty-two patients who recovered from COVID-19 but had ongoing symptoms were included in this retrospective observational cross-sectional study. Patients were followed-up at a median time of 112 days from confirmed COVID-19 diagnosis and a comprehensive echocardiogram was performed. COVID-19 patients were age- and sex-matched to healthy controls. Traditional TTE parameters and advanced echocardiographic parameters including two-dimensional LV global longitudinal strain (GLS) and RV free wall strain (FWS) were measured. LV volumes and LV ejection fraction were similar in COVID-19 patients and controls; however, LV GLS was significantly worse in the COVID-19 group (p = 0.002). Similarly, RV volumes and traditional RV function parameters were similar, but RV FWS (p = 0.009) and RV global strain (p = 0.015) were reduced. Alterations in LV and RV strain were observed in both hospitalized and non-hospitalized patients. In the subset of COVID-19 patients without any co-morbidities (n = 30), LV GLS remained reduced compared to controls. According to multivariate analysis, COVID-19 infection was the only independent determinant of reduced LV GLS (p = 0.012), while COVID-19 infection, diastolic blood pressure, and RV fractional area change were determinants of RV FWS. In this observational study, prior COVID-19 infection demonstrated LV dysfunction in patients with persistent symptoms. Abnormal LV strain was evident in both hospitalized and non-hospitalized patients, suggesting that these changes are independent of the severity of COVID-19 infection at presentation. The use of LV GLS in COVID-19 patients could have potential clinical utility to support the indication for cardiac magnetic resonance imaging in patients with possible COVID-19 related myocarditis. Future longitudinal studies are needed to evaluate its correlation with adverse cardiovascular events.
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Affiliation(s)
- Luke Stefani
- Westmead Clinical School, Westmead Hospital, University of Sydney, Westmead 2145, Australia; (L.S.)
- Cardiology Department, Westmead Hospital, Westmead 2145, Australia
| | - Paula Brown
- Cardiology Department, Westmead Hospital, Westmead 2145, Australia
| | - Monica Gerges
- Cardiology Department, Westmead Hospital, Westmead 2145, Australia
| | - Peter Emerson
- Westmead Clinical School, Westmead Hospital, University of Sydney, Westmead 2145, Australia; (L.S.)
- Cardiology Department, Westmead Hospital, Westmead 2145, Australia
| | - Aaisha Ferkh
- Westmead Clinical School, Westmead Hospital, University of Sydney, Westmead 2145, Australia; (L.S.)
- Cardiology Department, Westmead Hospital, Westmead 2145, Australia
| | - Kristina Kairaitis
- Westmead Clinical School, Westmead Hospital, University of Sydney, Westmead 2145, Australia; (L.S.)
- Department of Respiratory and Sleep Medicine, Westmead Hospital, Westmead 2145, Australia
| | - Nicole Gilroy
- Westmead Clinical School, Westmead Hospital, University of Sydney, Westmead 2145, Australia; (L.S.)
- Department of Infectious Diseases, Westmead Hospital, Westmead 2145, Australia
| | - Mikhail Altman
- Westmead Clinical School, Westmead Hospital, University of Sydney, Westmead 2145, Australia; (L.S.)
- Cardiology Department, Westmead Hospital, Westmead 2145, Australia
| | - Liza Thomas
- Westmead Clinical School, Westmead Hospital, University of Sydney, Westmead 2145, Australia; (L.S.)
- Cardiology Department, Westmead Hospital, Westmead 2145, Australia
- Southwestern Clinical School, University of New South Wales, Kensington 2052, Australia
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Emerson P, Deshmukh T, Stefani L, Mahendran S, Hogg M, Brown P, Panicker S, Altman M, Gottlieb D, Thomas L. Left atrial strain in cardiac surveillance of bone marrow transplant patients with prior anthracycline exposure. Int J Cardiol 2022; 354:68-74. [PMID: 35202739 DOI: 10.1016/j.ijcard.2022.02.024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 01/31/2022] [Accepted: 02/16/2022] [Indexed: 01/10/2023]
Abstract
BACKGROUND Bone marrow transplantation (BMT) has significantly improved survival rates in various hematological malignancies. However, this has led to an increased prevalence of long-term cardiotoxicity, particularly in those with prior anthracycline (AC) therapy. OBJECTIVES To evaluate changes in left atrial (LA) volume and function, including LA strain, in BMT patients with prior AC exposure and evaluate its utility as a marker of diastolic dysfunction. METHODS This was a cross-sectional analysis of 79 BMT patients with prior AC exposure who underwent a comprehensive surveillance transthoracic echocardiogram compared to age-matched healthy volunteers. Left ventricular (LV) and LA parameters were evaluated between the 2 groups. BMT patients were stratified using traditional measures of diastolic function and additionally utilizing LA strain. RESULTS LV systolic dysfunction with reduced LVEF (13/79) or global longitudinal strain (29/79) was present in BMT patients. There were no differences in LA volumes between the two groups. LA reservoir strain (30.1 ± 11.2% vs 34.1 ± 9.6%, p < 0.001) and LA conduit strain (13.6 ± 8.4% vs 17.0 ± 10.5%, p < 0.001) were reduced in the BMT group compared to controls. LA reservoir strain had modest correlation with mitral annular e' velocity (r = 0.468, p < 0.001). Using current diastolic function guidelines, 26/79 BMT patients had evidence of diastolic dysfunction. However, utilizing LA reservoir strain, an additional 35 patients were identified. CONCLUSIONS LA strain can identify early diastolic dysfunction in BMT patients with prior AC treatment. With diastolic dysfunction known to precede systolic dysfunction post AC, changes in LA reservoir strain may identify more patients with cardiac dysfunction, prompting increased surveillance and treatment.
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Affiliation(s)
- Peter Emerson
- Department of Cardiology, Westmead Hospital, Sydney, NSW, Australia
| | - Tejas Deshmukh
- Department of Cardiology, Westmead Hospital, Sydney, NSW, Australia; Westmead Clinical School, The University of Sydney, NSW, Australia
| | - Luke Stefani
- Department of Cardiology, Westmead Hospital, Sydney, NSW, Australia
| | | | - Megan Hogg
- Department of Haematology, Westmead Hospital, Sydney, NSW, Australia
| | - Paula Brown
- Department of Cardiology, Westmead Hospital, Sydney, NSW, Australia
| | - Shyam Panicker
- Department of Haematology, Westmead Hospital, Sydney, NSW, Australia
| | - Mikhail Altman
- Department of Cardiology, Westmead Hospital, Sydney, NSW, Australia; Westmead Clinical School, The University of Sydney, NSW, Australia
| | - David Gottlieb
- Westmead Clinical School, The University of Sydney, NSW, Australia; Department of Haematology, Westmead Hospital, Sydney, NSW, Australia
| | - Liza Thomas
- Department of Cardiology, Westmead Hospital, Sydney, NSW, Australia; Westmead Clinical School, The University of Sydney, NSW, Australia; South West Sydney Clinical School, University of New South Wales, Sydney, NSW, Australia.
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Henein MY, Mandoli GE, Pastore MC, Ghionzoli N, Hasson F, Nisar MK, Islam M, Bandera F, Marrocco-Trischitta MM, Baroni I, Malagoli A, Rossi L, Biagi A, Citro R, Ciccarelli M, Silverio A, Biagioni G, Moutiris JA, Vancheri F, Mazzola G, Geraci G, Thomas L, Altman M, Pernow J, Ahmed M, Santoro C, Esposito R, Casas G, Fernández-Galera R, Gonzalez M, Rodriguez Palomares J, Bytyçi I, Dini FL, Cameli P, Franchi F, Bajraktari G, Badano LP, Cameli M. Biomarkers Predict In-Hospital Major Adverse Cardiac Events in COVID-19 Patients: A Multicenter International Study. J Clin Med 2021; 10:jcm10245863. [PMID: 34945166 PMCID: PMC8703972 DOI: 10.3390/jcm10245863] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/03/2021] [Accepted: 12/09/2021] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND The COVID-19 pandemic carries a high burden of morbidity and mortality worldwide. We aimed to identify possible predictors of in-hospital major cardiovascular (CV) events in COVID-19. METHODS We retrospectively included patients hospitalized for COVID-19 from 10 centers. Clinical, biochemical, electrocardiographic, and imaging data at admission and medications were collected. Primary endpoint was a composite of in-hospital CV death, acute heart failure (AHF), acute myocarditis, arrhythmias, acute coronary syndromes (ACS), cardiocirculatory arrest, and pulmonary embolism (PE). RESULTS Of the 748 patients included, 141(19%) reached the set endpoint: 49 (7%) CV death, 15 (2%) acute myocarditis, 32 (4%) sustained-supraventricular or ventricular arrhythmias, 14 (2%) cardiocirculatory arrest, 8 (1%) ACS, 41 (5%) AHF, and 39 (5%) PE. Patients with CV events had higher age, body temperature, creatinine, high-sensitivity troponin, white blood cells, and platelet counts at admission and were more likely to have systemic hypertension, renal failure (creatinine ≥ 1.25 mg/dL), chronic obstructive pulmonary disease, atrial fibrillation, and cardiomyopathy. On univariate and multivariate analysis, troponin and renal failure were associated with the composite endpoint. Kaplan-Meier analysis showed a clear divergence of in-hospital composite event-free survival stratified according to median troponin value and the presence of renal failure (Log rank p < 0.001). CONCLUSIONS Our findings, derived from a multicenter data collection study, suggest the routine use of biomarkers, such as cardiac troponin and serum creatinine, for in-hospital prediction of CV events in patients with COVID-19.
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Affiliation(s)
- Michael Y. Henein
- Department of Public Health and Clinical Medicine, Umeå University, 90187 Umeå, Sweden; (I.B.); (F.L.D.); (G.B.)
- St George London and Brunel Universities, London SW17 0QT, UK
- Correspondence: (M.Y.H.); (M.C.P.)
| | - Giulia Elena Mandoli
- Department of Medical Biotechnologies, Division of Cardiology, University of Siena, 53100 Siena, Italy; (G.E.M.); (N.G.); (G.B.); (M.C.)
| | - Maria Concetta Pastore
- Department of Medical Biotechnologies, Division of Cardiology, University of Siena, 53100 Siena, Italy; (G.E.M.); (N.G.); (G.B.); (M.C.)
- Correspondence: (M.Y.H.); (M.C.P.)
| | - Nicolò Ghionzoli
- Department of Medical Biotechnologies, Division of Cardiology, University of Siena, 53100 Siena, Italy; (G.E.M.); (N.G.); (G.B.); (M.C.)
| | - Fouhad Hasson
- Luton and Dunstable University Hospital, NHS Foundation Trust, Luton LU4 0DZ, UK; (F.H.); (M.K.N.); (M.I.)
| | - Muhammad K. Nisar
- Luton and Dunstable University Hospital, NHS Foundation Trust, Luton LU4 0DZ, UK; (F.H.); (M.K.N.); (M.I.)
| | - Mohammed Islam
- Luton and Dunstable University Hospital, NHS Foundation Trust, Luton LU4 0DZ, UK; (F.H.); (M.K.N.); (M.I.)
| | - Francesco Bandera
- Department for Biomedical Sciences for Health, University of Milano, 20133 Milan, Italy;
- Cardiology University Department, Heart Failure Unit, IRCCS Policlinico San Donato, San Donato Milanese, 20097 Milan, Italy
| | | | - Irene Baroni
- Clinical Research Unit, IRCCS Policlinico San Donato, San Donato Milanese, 20097 Milan, Italy; (M.M.M.-T.); (I.B.)
| | - Alessandro Malagoli
- Division of Cardiology, Nephro-Cardiovascular Department, Baggiovara Hospital, University of Modena and Reggio Emilia, 41126 Modena, Italy;
| | - Luca Rossi
- Division of Cardiology, Cardiovascular and Emergency Department, Guglielmo da Saliceto Hospital, 29121 Piacenza, Italy; (L.R.); (A.B.)
| | - Andrea Biagi
- Division of Cardiology, Cardiovascular and Emergency Department, Guglielmo da Saliceto Hospital, 29121 Piacenza, Italy; (L.R.); (A.B.)
| | - Rodolfo Citro
- Cardio-Thoracic-Vascular Department, University Hospital San Giovanni di Dio e Ruggi d’Aragona, 84125 Salerno, Italy;
| | - Michele Ciccarelli
- Department of Medicine, Surgery and Dentistry, University of Salerno, 84081 Baronissi, Italy; (M.C.); (A.S.)
| | - Angelo Silverio
- Department of Medicine, Surgery and Dentistry, University of Salerno, 84081 Baronissi, Italy; (M.C.); (A.S.)
| | - Giulia Biagioni
- Department of Medical Biotechnologies, Division of Cardiology, University of Siena, 53100 Siena, Italy; (G.E.M.); (N.G.); (G.B.); (M.C.)
| | | | - Federico Vancheri
- Department of Internal Medicine, S. Elia Hospital, 93100 Caltanissetta, Italy; (F.V.); (G.M.); (G.G.)
| | - Giovanni Mazzola
- Department of Internal Medicine, S. Elia Hospital, 93100 Caltanissetta, Italy; (F.V.); (G.M.); (G.G.)
| | - Giulio Geraci
- Department of Internal Medicine, S. Elia Hospital, 93100 Caltanissetta, Italy; (F.V.); (G.M.); (G.G.)
| | - Liza Thomas
- Department of Cardiology, Westmead Hospital and Westmeead Clinical School, University of Sydney, Sydney, NSW 2145, Australia; (L.T.); (M.A.)
| | - Mikhail Altman
- Department of Cardiology, Westmead Hospital and Westmeead Clinical School, University of Sydney, Sydney, NSW 2145, Australia; (L.T.); (M.A.)
| | - John Pernow
- Department of Medicine, Division of Cardiology, Karolinska Institutet, 17177 Stockholm, Sweden;
| | - Mona Ahmed
- Department of Molecular Medicine and Surgery, Division of Cardiology, Karolinska Institutet, 17177 Stockholm, Sweden;
| | - Ciro Santoro
- Department of Advanced Biomedical Sciences, University of Naples “Federico II”, 80131 Naples, Italy;
| | - Roberta Esposito
- Department of Clinical Medicine and Surgery, Federico II University Hospital, 80131 Naples, Italy;
| | - Guillem Casas
- Department of Cardiology, Hospital Universitari Vall d’Hebron, Vall d’Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona, 08035 Barcelona, Spain; (G.C.); (R.F.-G.); (M.G.); (J.R.P.)
| | - Rubén Fernández-Galera
- Department of Cardiology, Hospital Universitari Vall d’Hebron, Vall d’Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona, 08035 Barcelona, Spain; (G.C.); (R.F.-G.); (M.G.); (J.R.P.)
| | - Maribel Gonzalez
- Department of Cardiology, Hospital Universitari Vall d’Hebron, Vall d’Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona, 08035 Barcelona, Spain; (G.C.); (R.F.-G.); (M.G.); (J.R.P.)
| | - Jose Rodriguez Palomares
- Department of Cardiology, Hospital Universitari Vall d’Hebron, Vall d’Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona, 08035 Barcelona, Spain; (G.C.); (R.F.-G.); (M.G.); (J.R.P.)
| | - Ibadete Bytyçi
- Department of Public Health and Clinical Medicine, Umeå University, 90187 Umeå, Sweden; (I.B.); (F.L.D.); (G.B.)
- Clinic of Cardiology, University Clinical Centre of Kosova, 10000 Prishtina, Kosovo
| | - Frank Lloyd Dini
- Department of Public Health and Clinical Medicine, Umeå University, 90187 Umeå, Sweden; (I.B.); (F.L.D.); (G.B.)
| | - Paolo Cameli
- Respiratory Diseases Unit, Department of Medical Sciences, Siena University Hospital, 53100 Siena, Italy;
| | - Federico Franchi
- Department of Medical Biotechnologies, Anesthesia and Intensive Care, University of Siena, 53100 Siena, Italy;
| | - Gani Bajraktari
- Department of Public Health and Clinical Medicine, Umeå University, 90187 Umeå, Sweden; (I.B.); (F.L.D.); (G.B.)
- Clinic of Cardiology, University Clinical Centre of Kosova, 10000 Prishtina, Kosovo
- Medical Faculty, University of Prishtina “Hasan Prishtina”, 10000 Prishtina, Kosovo
| | - Luigi Paolo Badano
- Istituto Auxologico Italiano, IRCCS, 20149 Milan, Italy;
- Department of Medicine and Surgery, University of Milano-Bicocca, 20126 Milan, Italy
| | - Matteo Cameli
- Department of Medical Biotechnologies, Division of Cardiology, University of Siena, 53100 Siena, Italy; (G.E.M.); (N.G.); (G.B.); (M.C.)
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Klimis H, Ferkh A, Brown P, Zecchin R, Altman M, Thomas L. Determinants of Exercise Capacity Following ST-Elevation Myocardial Infarction (STEMI). J Cardiovasc Dev Dis 2021; 8:jcdd8110140. [PMID: 34821693 PMCID: PMC8624145 DOI: 10.3390/jcdd8110140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 10/14/2021] [Accepted: 10/27/2021] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Abnormal left ventricular systolic and diastolic function and reduced exercise capacity are associated with worse prognosis following ST-elevation myocardial infarction (STEMI). However, evidence is lacking on the determinants of exercise capacity following STEMI. We sought to determine the impact of systolic and diastolic dysfunction on exercise capacity and outcomes following first-ever STEMI. METHODS In a retrospective analysis of 139 consecutive STEMI patients who had a transthoracic echocardiogram following STEMI and completed exercise treadmill testing, the primary outcome was to identify clinical and echocardiographic determinants of exercise capacity, and the secondary outcome was to identify determinants of major adverse cardiac events (MACEs). RESULTS Mean number of metabolic equivalents (METs > 8) was used as a cut-off. Age, female sex, anterior infarction, abnormal diastolic function, minimum left atrial indexed volume (LAVImin) ≥ 18 mL/m2, average e', and E/e' were associated with METs ≤ 8, but not left ventricular ejection fraction (LVEF). On multivariate analysis, LAVImin (OR 4.3, 95%CI 1.3-14.2; p = 0.017), anterior infarction (OR 2.6, 95%CI 1.2-5.9; p = 0.022), and abnormal diastolic function (OR 3.73, 95%CI 1.7-8.4; p = 0.001) were independent predictors of METs ≤ 8. On Kaplan-Meier analysis, METs ≤ 8 (p = 0.01) and abnormal diastolic function (p = 0.04) were associated with MACEs (median follow-up 2.3 years). METs ≤ 8 was an independent predictor of MACEs (HR 3.4, 95%CI 1.2-9.8; p = 0.02). CONCLUSIONS Following first-ever STEMI, increased LAVImin, anterior infarction, and abnormal diastolic function were independent predictors of reduced exercise capacity. Furthermore, reduced exercise capacity was an independent predictor of MACEs. These results highlight important prognostic and therapeutic implications related to abnormal diastolic function in STEMI patients that are distinct from those with LV systolic impairment.
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Affiliation(s)
- Harry Klimis
- Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW 2006, Australia; (H.K.); (A.F.); (M.A.)
- Department of Cardiology Westmead Hospital, Westmead, Sydney, NSW 2145, Australia; (P.B.); (R.Z.)
| | - Aaisha Ferkh
- Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW 2006, Australia; (H.K.); (A.F.); (M.A.)
- Department of Cardiology Westmead Hospital, Westmead, Sydney, NSW 2145, Australia; (P.B.); (R.Z.)
| | - Paula Brown
- Department of Cardiology Westmead Hospital, Westmead, Sydney, NSW 2145, Australia; (P.B.); (R.Z.)
| | - Robert Zecchin
- Department of Cardiology Westmead Hospital, Westmead, Sydney, NSW 2145, Australia; (P.B.); (R.Z.)
| | - Mikhail Altman
- Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW 2006, Australia; (H.K.); (A.F.); (M.A.)
- Department of Cardiology Westmead Hospital, Westmead, Sydney, NSW 2145, Australia; (P.B.); (R.Z.)
| | - Liza Thomas
- Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW 2006, Australia; (H.K.); (A.F.); (M.A.)
- Department of Cardiology Westmead Hospital, Westmead, Sydney, NSW 2145, Australia; (P.B.); (R.Z.)
- South Western Sydney Clinical School, University of New South Wales, Liverpool, NSW 2170, Australia
- Correspondence:
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8
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Deshmukh T, Emerson P, Geenty P, Mahendran S, Stefani L, Hogg M, Brown P, Panicker S, Chong J, Altman M, Gottlieb D, Thomas L. The utility of strain imaging in the cardiac surveillance of bone marrow transplant patients. Heart 2021; 108:550-557. [PMID: 34301770 DOI: 10.1136/heartjnl-2021-319359] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 06/14/2021] [Indexed: 11/03/2022] Open
Abstract
OBJECTIVE To evaluate the utility of two-dimensional multiplanar speckle tracking strain to assess for cardiotoxicity post allogenic bone marrow transplantation (BMT) for haematological conditions. METHODS Cross-sectional study of 120 consecutive patients post-BMT (80 pretreated with anthracyclines (BMT+AC), 40 BMT alone) recruited from a late effects haematology clinic, compared with 80 healthy controls, as part of a long-term cardiotoxicity surveillance study (mean duration from BMT to transthoracic echocardiogram 6±6 years). Left ventricular global longitudinal strain (LV GLS), global circumferential strain (LV GCS) and right ventricular free wall strain (RV FWS) were compared with traditionl parameters of function including LV ejection fraction (LVEF) and RV fractional area change. RESULTS LV GLS (-17.7±3.0% vs -20.2±1.9%), LV GCS (-14.7±3.5% vs -20.4±2.1%) and RV FWS (-22.6±4.7% vs -28.0±3.8%) were all significantly (p=0.001) reduced in BMT+AC versus controls, while only LV GCS (-15.9±3.5% vs -20.4±2.1%) and RV FWS (-23.9±3.5% vs -28.0±3.8%) were significantly (p=0.001) reduced in BMT group versus controls. Even in patients with LVEF >53%, ~75% of patients in both BMT groups demonstrated a reduction in GCS. CONCLUSION Multiplanar strain identifies a greater number of BMT patients with subclinical LV dysfunction rather than by GLS alone, and should be evaluated as part of post-BMT patient surveillence. Reduction in GCS is possibly due to effects of preconditioning, and is not fully explained by AC exposure.
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Affiliation(s)
- Tejas Deshmukh
- Cardiology, Westmead Hospital, Westmead, New South Wales, Australia.,Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
| | - Peter Emerson
- Cardiology, Westmead Hospital, Westmead, New South Wales, Australia
| | - Paul Geenty
- Cardiology, Westmead Hospital, Westmead, New South Wales, Australia.,Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
| | | | - Luke Stefani
- Cardiology, Westmead Hospital, Westmead, New South Wales, Australia.,Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
| | - Megan Hogg
- Haematology, Westmead Hospital, Sydney, New South Wales, Australia
| | - Paula Brown
- Cardiology, Westmead Hospital, Westmead, New South Wales, Australia
| | - Shyam Panicker
- Haematology, Westmead Hospital, Sydney, New South Wales, Australia
| | - James Chong
- Cardiology, Westmead Hospital, Westmead, New South Wales, Australia.,Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia.,Centre for Heart Research, Westmead Institute for Medical Research, Sydney, New South Wales, Australia
| | - Mikhail Altman
- Cardiology, Westmead Hospital, Westmead, New South Wales, Australia.,Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
| | - David Gottlieb
- Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia.,Haematology, Westmead Hospital, Sydney, New South Wales, Australia
| | - Liza Thomas
- Cardiology, Westmead Hospital, Westmead, New South Wales, Australia .,Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia.,South West Sydney Clinical School, University of New South Wales, Sydney, New South Wales, Australia
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9
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Kozor R, Mooney J, Lowe H, Kritharides L, Altman M, Klimis H, Thakkar J, Wynne D, Thiagalingam A, Figtree GA, Chow CK. Rapid Access Chest Pain Clinics: An Australian Cost-Benefit Study. Heart Lung Circ 2021; 31:177-182. [PMID: 34217582 DOI: 10.1016/j.hlc.2021.05.106] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 04/22/2021] [Accepted: 05/21/2021] [Indexed: 11/18/2022]
Abstract
OBJECTIVE Chest pain is a large health care burden in Australia and around the world. Its management requires specialist assessment and diagnostic tests, which can be costly and often lead to unnecessary hospital admissions. There is a growing unmet clinical need to improve the efficiency and management of chest pain. This study aims to show the cost-benefit of rapid access chest pain clinics (RACC) as an alternative to hospital admission. DESIGN Retrospective cost-benefit analysis for 12 months. SETTING RACCs in three Sydney tertiary referral hospitals. MAIN OUTCOME MEASURES Cost per patient. RESULTS Hospitals A, B and C implemented RACCs but each operating with slightly different staffing, referral patterns, and diagnostic services. All RACCs had similar costs per patient of AUD$455.25, AUD$427.12 and AUD$474.45, hospitals A, B and C respectively, and similar cost benefits per patient of AUD$1168.75, AUD$1196.88 and AUD$1,149.55, respectively. At least 28%, 26% and 29% of these RACC patients for hospitals A, B, and C, respectively, would have otherwise had to have been admitted to hospital for the model to be cost-beneficial. CONCLUSION This study shows that a RACC model of care is cost-beneficial in the state of NSW as an alternative strategy to inpatient care for managing chest pain. Scaling up to a national level could represent an even larger benefit for the Australian health system.
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Affiliation(s)
- Rebecca Kozor
- Royal North Shore Hospital, Sydney, NSW, Australia; Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia.
| | - John Mooney
- Westmead Applied Research Centre, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Harry Lowe
- Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia; Concord Repatriation Hospital, Sydney, NSW, Australia
| | - Leonard Kritharides
- Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia; Concord Repatriation Hospital, Sydney, NSW, Australia
| | - Mikhail Altman
- Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia; Westmead Hospital, Sydney, NSW, Australia
| | - Harry Klimis
- Westmead Applied Research Centre, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia; Westmead Hospital, Sydney, NSW, Australia
| | - Jay Thakkar
- Westmead Applied Research Centre, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia; Westmead Hospital, Sydney, NSW, Australia
| | | | - Aravinda Thiagalingam
- Westmead Applied Research Centre, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia; Westmead Hospital, Sydney, NSW, Australia
| | - Gemma A Figtree
- Royal North Shore Hospital, Sydney, NSW, Australia; Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Clara K Chow
- Westmead Applied Research Centre, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia; Westmead Hospital, Sydney, NSW, Australia
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10
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Stefani LD, Trivedi SJ, Ferkh A, Altman M, Thomas L. Changes in left atrial phasic strain and mechanical dispersion: Effects of age and gender. Echocardiography 2021; 38:417-426. [PMID: 33594734 DOI: 10.1111/echo.14997] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 01/14/2021] [Accepted: 01/22/2021] [Indexed: 11/30/2022] Open
Abstract
PURPOSE Left atrial (LA) function by two-dimensional (2D) strain is an emerging tool with increasing clinical utility. Age and gender are key modulators of strain parameters; however, the specific time course for LA structural and functional changes is not clearly defined. METHODS A total of 147 healthy individuals (20-69 years) underwent transthoracic echocardiography; subjects were evaluated by age (decade) and gender. LA and left ventricular (LV) volumetric and strain measurements were performed. RESULTS Left atrial reservoir (ƐR) and conduit strain (ƐCD) with negatively correlated with age (r =-.36; r = -.56; P < .001, respectively) being significantly lower by the 6th and 5th decades, respectively. Contractile strain (ƐCT) positively correlated with age (r = .36; P < .001), being significantly higher by the 6th decade. ƐR and ƐCD were higher in young females (20-34 years) compared to young males (P = .033 and P < .001, respectively). ƐCT was significantly higher in middle-aged adult males (35-50yrs; P = .010), though seen later in females (≥51 years; P = .005). Standard deviation of time to positive strain (SD-TPS) significantly higher by the 5th decade and correlated with age in both males (r = .44; P <.001) and females (r = .40; P = .001). CONCLUSION We demonstrate that ƐR and ƐCD are lower with age, with differing rates between males and females. As a compensatory mechanism for decline in ƐCD, ƐCT is higher, more notably in males; comparatively, females display a more prominent decline in ƐR and ƐCD with age. Alteration in electromechanical properties occurred in both genders with SD-TPS becoming higher with age.
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Affiliation(s)
- Luke D Stefani
- Cardiology Department, Westmead Hospital, Sydney, NSW, Australia
| | - Siddharth J Trivedi
- Cardiology Department, Westmead Hospital, Sydney, NSW, Australia.,Westmead Clinical School, University of Sydney, Westmead Hospital, Sydney, NSW, Australia
| | - Aaisha Ferkh
- Cardiology Department, Westmead Hospital, Sydney, NSW, Australia.,Westmead Clinical School, University of Sydney, Westmead Hospital, Sydney, NSW, Australia
| | - Mikhail Altman
- Cardiology Department, Westmead Hospital, Sydney, NSW, Australia.,Westmead Clinical School, University of Sydney, Westmead Hospital, Sydney, NSW, Australia
| | - Liza Thomas
- Cardiology Department, Westmead Hospital, Sydney, NSW, Australia.,Westmead Clinical School, University of Sydney, Westmead Hospital, Sydney, NSW, Australia.,South Western Clinical School, University of New South Wales, Sydney, NSW, Australia
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11
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Zada M, Klimis H, Brown P, Zecchin R, Altman M, Thomas L. Prospective Analysis of Demographic and Echocardiographic Determinants of Exercise Capacity Following ST-Elevation Myocardial Infarction (STEMI). Heart Lung Circ 2021. [DOI: 10.1016/j.hlc.2021.06.099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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12
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Stefani L, Gan G, Trivedi S, Ferkh A, Altman M, Thomas L. LA Strain Mechanics are Altered in Hypertensive Patients vs Healthy Individuals. Heart Lung Circ 2021. [DOI: 10.1016/j.hlc.2021.06.221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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13
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Ferkh A, Stefani L, Trivedi S, Brown P, Altman M, Thomas L. Comparison of 2-Dimensional Single Plane, Biplane and Triplane With 3-Dimensional Left Atrial Strain. Heart Lung Circ 2021. [DOI: 10.1016/j.hlc.2021.06.198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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14
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Selvakumar D, Brown P, Geenty P, Barnett R, Saunders CA, Altman M, Thomas L. Comparative Assessments of Left and Right Ventricular Function by Two-Dimensional, Contrast Enhanced and Three-Dimensional Echocardiography with Gated Heart Pool Scans in Patients Following Myocardial Infarction. Am J Cardiol 2020; 134:14-23. [PMID: 32917345 DOI: 10.1016/j.amjcard.2020.07.057] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 07/28/2020] [Accepted: 07/28/2020] [Indexed: 01/25/2023]
Abstract
Multiple noninvasive imaging modalities are available to measure biventricular function, although limited studies have assessed agreement between modalities in assessing left and right ventricular ejection fraction (LVEF & RVEF) in the same cohort of patients. In this study we prospectively compared the agreement of 2-dimensional echocardiography (2DE), contrast enhanced 2DE, 3-dimensional echocardiography (3DE), and gated heart pool scan (GHPS) measures of LVEF and RVEF in patients with acute ST-elevation myocardial infarction. We recruited 95 consecutive ST-elevation myocardial infarction patients (mean age 61.4 ± 12.0, male: 79.5%) admitted to a major tertiary hospital between July 2016 and May 2018. Despite minimal inter- and intra-observer variability (coefficient of variance < 5% in both categories), substantial discrepancies exist between modalities with Pearson's correlation coefficients ranging from 0.64 to 0.91 for LVEF measurements, and 0.27 to 0.86 for RVEF measurements. Bland-Altman plots demonstrated no systematic bias between modalities. GHPS and 3DE offered the closest agreement for both LVEF and RVEF, demonstrating the greatest correlation coefficient (r = 0.91 and 0.86 respectively), lowest mean absolute differences (4% and 3% respectively), and narrowest Bland-Altman limits of agreement (19% and 18% respectively). Greater than 10% of 2DE and contrast enhanced 2DE scans discordantly showed LVEF values >40% for patients whose LVEF was measured as ≤ 40% by 3DE or GHPS. In conclusion, substantial variation exists between modalities when assessing LVEF and RVEF, although we demonstrate that 3DE and GHPS have the closest agreement. This variability should be considered in clinical management of patients, and modalities should not be used interchangeably in sequential patient follow-up.
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Affiliation(s)
- Dinesh Selvakumar
- Department of Cardiology, Westmead Hospital, Westmead, New South Wales, Australia; Westmead Clinical School, University of Sydney, Sydney, New South Wales, Australia
| | - Paula Brown
- Department of Cardiology, Westmead Hospital, Westmead, New South Wales, Australia
| | - Paul Geenty
- Department of Cardiology, Westmead Hospital, Westmead, New South Wales, Australia; Westmead Clinical School, University of Sydney, Sydney, New South Wales, Australia
| | - Robert Barnett
- Department of Nuclear Medicine, PET and Ultrasound, Westmead Hospital, Westmead, New South Wales, Australia
| | - Catherine Ab Saunders
- Department of Nuclear Medicine, PET and Ultrasound, Westmead Hospital, Westmead, New South Wales, Australia; South West Clinical School, University of New South Wales, New South Wales, Australia
| | - Mikhail Altman
- Department of Cardiology, Westmead Hospital, Westmead, New South Wales, Australia; Westmead Clinical School, University of Sydney, Sydney, New South Wales, Australia
| | - Liza Thomas
- Department of Cardiology, Westmead Hospital, Westmead, New South Wales, Australia; Westmead Clinical School, University of Sydney, Sydney, New South Wales, Australia; South West Clinical School, University of New South Wales, New South Wales, Australia.
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15
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Ferkh A, O'Keefe E, Zada M, Brown P, Duggins A, Thiagalingam A, Altman M, Byth K, Kizana E, Denniss AR, Thomas L. Demographic and clinical profile of cardioembolic stroke patients in Western Sydney. Intern Med J 2020; 50:726-732. [DOI: 10.1111/imj.14416] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 06/19/2019] [Accepted: 06/23/2019] [Indexed: 11/28/2022]
Affiliation(s)
- Aaisha Ferkh
- University of Sydney Sydney New South Wales Australia
- Department of CardiologyWestmead Hospital Sydney New South Wales Australia
| | - Emily O'Keefe
- Department of CardiologyWestmead Hospital Sydney New South Wales Australia
| | - Matthew Zada
- Department of CardiologyWestmead Hospital Sydney New South Wales Australia
| | - Paula Brown
- Department of CardiologyWestmead Hospital Sydney New South Wales Australia
| | - Andrew Duggins
- Department of NeurologyWestmead Hospital Sydney New South Wales Australia
| | - Aravinda Thiagalingam
- University of Sydney Sydney New South Wales Australia
- Department of CardiologyWestmead Hospital Sydney New South Wales Australia
| | - Mikhail Altman
- Department of CardiologyWestmead Hospital Sydney New South Wales Australia
| | - Karen Byth
- University of Sydney Sydney New South Wales Australia
| | - Eddy Kizana
- University of Sydney Sydney New South Wales Australia
- Department of CardiologyWestmead Hospital Sydney New South Wales Australia
- Westmead Institute of Medical Research Sydney New South Wales Australia
| | - Alan R. Denniss
- University of Sydney Sydney New South Wales Australia
- Department of CardiologyWestmead Hospital Sydney New South Wales Australia
| | - Liza Thomas
- University of Sydney Sydney New South Wales Australia
- Department of CardiologyWestmead Hospital Sydney New South Wales Australia
- South Western Clinical SchoolUniversity of New South Wales Sydney New South Wales Australia
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16
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Deshmukh T, Geenty P, Geraghty L, Emmerig D, Sivapathan S, Hogg M, Brown P, Panicker S, Altman M, Gottlieb D, Thomas L. P790 Bi-ventricular dysfunction in patients after bone marrow transplant: the value of strain imaging. Eur Heart J Cardiovasc Imaging 2020. [DOI: 10.1093/ehjci/jez319.447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Cardiovascular events are a significant cause of morbidity and mortality in cancer survivors, particularly occurring at 5-10 years after their cancer therapy.
Purpose
To assess the utility of strain imaging by 2-dimensional (2D) speckle tracking echocardiography in detecting bi-ventricular dysfunction, as compared to traditional measures, in patients post bone marrow transplantation (BMT) with previous anthracycline (AC) therapy for haematological conditions.
Methods
50 consecutive patients post BMT + AC, reviewed at a long-term survivor clinic, were compared to 50 age and gender matched controls. 48/50 patients received AC doses below the recommended cumulative lifetime thresholds set by the European Society of Medical Oncology. 2D left ventricular global longitudinal strain (LV GLS) and right ventricle free wall strain (RV FWS) were compared to conventional measures of bi-ventricular function.
Results
The mean LVEF (58 ± 6% vs 63 ± 6%) and RV fractional area change (FAC) (39 ± 5% vs 44 ± 5%), although reduced in the BMT + AC group vs controls, were within normal limits. LV GLS was reduced in BMT + AC patients as compared to controls (-17.8 ± 3.1% vs -20.5 ± 2.2%, p < 0.01) while RV FWS was also reduced (-23.2 ± 4.0% vs -27.9 ± 2.7%, p < 0.001). In BMT + AC patients with a preserved LVEF (LVEF > 53%), 28% (11/40) had reduced GLS (GLS < -17%) while 52% (24/46) of those with preserved FAC (FAC > 35%) had reduced FWS (FWS < -25%). Major adverse cardiac events (MACE) occurred in 9/50 patients in the BMT + AC group and none in the control group. 8/9 patients had normal biventricular function as assessed by traditional parameters (LVEF and RV FAC) but 5/9 patients had reduced LV GLS and/or RV FWS.
Conclusions
Subclinical bi-ventricular dysfunction is common in patients post BMT + AC therapy, and can be detected using strain analysis, despite preserved LV and RV systolic function using conventional measures. MACE occurred at a significantly higher rate in BMT patients exposed to AC. More than half of MACE events occurred in patients with reduced LV or RV strain, with preserved bi-ventricular function by traditional measures. LV GLS and RV FWS should be utilised for early identification of subclinical dysfunction in BMT patients.
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Affiliation(s)
- T Deshmukh
- Westmead Hospital, Cardiology, Sydney, Australia
| | - P Geenty
- Westmead Hospital, Cardiology, Sydney, Australia
| | | | - D Emmerig
- Westmead Hospital, Sydney, Australia
| | - S Sivapathan
- Westmead Hospital, Cardiology, Sydney, Australia
| | - M Hogg
- Westmead Hospital, Haematology, Sydney, Australia
| | - P Brown
- Westmead Hospital, Cardiology, Sydney, Australia
| | - S Panicker
- Westmead Hospital, Cardiology, Sydney, Australia
| | - M Altman
- Westmead Hospital, Cardiology, Sydney, Australia
| | - D Gottlieb
- Westmead Hospital, Haematology, Sydney, Australia
| | - L Thomas
- Westmead Hospital, Cardiology, Sydney, Australia
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17
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Emerson P, Mahendran S, Deshmukh T, Stefani L, Trivedi S, Hogg M, Brown P, Altman M, Panicker S, Gottlieb D, Thomas L. 072 Altered LA Strain in Bone Marrow Transplant (BMT) Patients Previously Treated With Anthracyclines: A Marker of an Atrial Myopathy. Heart Lung Circ 2020. [DOI: 10.1016/j.hlc.2020.09.079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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18
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Stefani L, Koltar A, Altman M, Boyd A, Richards D, Thomas L. 340 Exercise Related Changes in LA Phasic Function as Determined by 2D Speckle Tracking. Heart Lung Circ 2020. [DOI: 10.1016/j.hlc.2020.09.347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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19
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Geenty P, Sivapathan S, Deshmukh T, Brown P, Boyd A, Kwok F, Richards D, Altman M, Stewart G, Thomas L. P309 The use of echocardiographic parameters to predict clinical outcomes in AL-amyloidosis cardiomyopathy. Eur Heart J Cardiovasc Imaging 2020. [DOI: 10.1093/ehjci/jez319.162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
AL-amyloidosis has a rapid clinical progression, with cardiac involvement associated with a particularly poor prognosis. Cardiac amyloidosis is diagnosed by either invasive biopsy or conventional echocardiographic parameters such as increased wall thickness, in the absence of other causes. More recently, novel parameters including 2D longitudinal strain have demonstrated diagnostic utility in a range of infiltrative cardiomyopathies including cardiac amyloidosis.
Aim/Method: We sought to evaluate traditional and novel echocardiographic parameters in their ability to predict adverse outcomes in a cohort of AL-amyloid patients. 80 patients who had transthoracic echocardiograms at a single centre were included. Comprehensive echocardiographic assessment was performed, including left ventricular ejection fraction (LVEF), LV Global Longitudinal Strain (GLS), LV mass (indexed to BSA). The primary endpoint was a composite of of major adverse cardiac events (MACE) and all-cause mortality, that was assessed by interrogation of the medical records on a specified censor date.
Results
At a mean follow-up (time from echo to censor date) of 5.4 ± 2.6years, 38/80 (47.5%) of patients experienced the primary endpoint of MACE or death, of which 25/80 (31%) were deaths. LVEF (59 ± 5.6%vs56 ± 6.4%, p = 0.04), GLS (17.4 ± 3.9%vs14.8 ± 4.9%, p = 0.01) basal longitudinal strain (12.3 ± 3.2%vs9.6 ± 3.9%, p = 0.002), indexed LV mass (107 ± 36g/m2vs130 ± 34g/m2, p = 0.06) and E/E’ (13.7 ± 4.9vs20.6 ± 9.6, p < 0.001) were all significantly different between patients who experienced the primary endpoint and those that didn’t. The strongest predictors of outcome were E/E’ (AUC 0.74), LV mass (AUC 0.73) and the ratio GLS:LV mass (AUC 0.73). An E/E’ of 15 had a sensitivity of 71% and specificity of 69%, while an indexed LV mass of 108 had a sensitivity and specificity of 74% and 67% respectively. GLS to LV mass as a cutoff of 0.16 had a sensitivity and specificity of 70% and 69% respectively.
Conclusion
In a cohort of 80 patients with AL-amyloid cardiomyopathy, almost half (47.5%) reached the primary composite endpoint. Diastolic dysfunction as expressed as E/E’, and LV mass were the most powerful predictors of outcome, while global longitudinal strain and LV basal strain were also reduced, and showed superiority over LV ejection fraction in predicting prognosis.
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Affiliation(s)
- P Geenty
- Westmead Hospital, Sydney, Australia
| | | | | | - P Brown
- Westmead Hospital, Sydney, Australia
| | - A Boyd
- Westmead Private Hospital, Cardiology Department, Sydney, Australia
| | - F Kwok
- Westmead Hospital, Sydney, Australia
| | - D Richards
- Westmead Private Hospital, Cardiology Department, Sydney, Australia
| | - M Altman
- Westmead Hospital, Sydney, Australia
| | - G Stewart
- Westmead Hospital, Sydney, Australia
| | - L Thomas
- Westmead Hospital, Sydney, Australia
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20
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Stefani L, Trivedi S, Altman M, Thomas L. 335 Effects of Healthy Aging on Left Atrial Phasic Function Using Strain Analysis. Heart Lung Circ 2020. [DOI: 10.1016/j.hlc.2020.09.342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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21
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Geenty P, Shivapathan S, Deshmukh T, Brown P, Boyd A, Taylor M, Kwok F, Altman M, Richards D, Stewart G, Thomas L. P1543 The assessment of regional myocardial strain in classifying amyloid cardiomyopathy. Eur Heart J Cardiovasc Imaging 2020. [DOI: 10.1093/ehjci/jez319.964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
An infiltrative cardiomyopathy is a common manifestation of AL-amyloidosis, with cardiac involvement associated with a poor prognosis. Wild-type transthyretin amyloidosis (wt-TTR), is a distinct clinical entity occurring predominantly in men > 65 yrs, that has gained interest recently due to novel treatment options. Regional strain analysis has been shown to discriminate both forms of cardiac amyloidosis from other causes of concentric left ventricular hypertrophy, with a characteristic pattern of ‘apical sparing’. Due to the significant difference in both the course of the disease and treatment options between groups, a non-invasive echocardiographic method of determining subtype would be valuable.
Aim/Method: We sought to compare traditional and novel echocardiographic parameters in a cohort of AL ( n = 80) and wild type (wt-TTR) amyloid ( n = 32) patients. All amyloid patients underwent comprehensive transthoracic echocardiography, including both conventional parameters and LV longitudinal strain. Further novel parameters were computed including the ratio of global longitudinal strain (GLS) to LV ejection fraction (LVEF), as well as GLS to indexed LV mass.
Results
wt-TTR patients had significantly greater LV mass (176 ± 59g/m2vs118 ± 37g/m2, p < 0.001), and worse diastolic dysfunction as expressed as E/E’ (21.5 ± 11vs17 ± 8, p = 0.04). LVEF was significantly lower in wt-TTR patients however remained in the normal range in both groups (53 ± 6%vs57 ± 6%, p = 0.001), whilst GLS was significantly reduced compared to AL-amyloid patients (11.5 ± 3.4%vs16.2 ± 4.6%, p < 0.001). LVEF:GLS was significantly higher in wt-TTR patients (4.93 ± 1.4vs3.87 ± 1.3, p = 0.001) reflecting a more profound reduction in strain with a relatively preserved ejection fraction. Similarly, the ratio of GLS to LV mass was significantly lower in wt-TTR amyloidosis (0.078 ± 0.05vs0.155 ± 0.07, p < 0.001), reflecting a more significant reduction in strain for a given wall thickness in wt-TTR patients. GLS:LV mass was the strongest discriminator between subtypes (AUC 0.82), with a cutoff of 0.09 giving a sensitivity and specificity of 71% and 80% respectively, for detecting wt-TTR.
Conclusion
In this cohort, patients with wt-TTR had significantly greater increase in LV wall thickness and diastolic dysfunction, which may in part reflect their increased age (77vs62). However, GLS was also significantly reduced compared to AL-amyloid, even when accounting for LV ejection fraction and LV mass, suggesting these composite parameters may have value in determining the subtype of cardiac amyloidosis.
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Affiliation(s)
- P Geenty
- Westmead Hospital, Sydney, Australia
| | | | | | - P Brown
- Westmead Hospital, Sydney, Australia
| | - A Boyd
- Westmead Private Hospital, Cardiology Department, Sydney, Australia
| | - M Taylor
- Westmead Hospital, Sydney, Australia
| | - F Kwok
- Westmead Hospital, Sydney, Australia
| | - M Altman
- Westmead Hospital, Sydney, Australia
| | - D Richards
- Westmead Private Hospital, Cardiology Department, Sydney, Australia
| | - G Stewart
- Westmead Hospital, Sydney, Australia
| | - L Thomas
- Westmead Hospital, Sydney, Australia
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22
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Deshmukh T, Geenty P, Geraghty L, Emmerig D, Sivapathan S, Hogg M, Brown P, Panicker S, Altman M, Gottlieb D, Thomas L. Biventricular Dysfunction in Patients After Bone Marrow Transplant. JACC CardioOncol 2019; 1:301-304. [PMID: 34396195 PMCID: PMC8352188 DOI: 10.1016/j.jaccao.2019.11.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Liza Thomas
- Department of Cardiology, Hawkesbury Road, Westmead Hospital, Westmead 2145, Sydney NSW, Australia
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23
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Trivedi SJ, Altman M, Stanton T, Thomas L. Echocardiographic Strain in Clinical Practice. Heart Lung Circ 2019; 28:1320-1330. [DOI: 10.1016/j.hlc.2019.03.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 03/17/2019] [Accepted: 03/22/2019] [Indexed: 01/07/2023]
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24
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Ferkh A, Brown P, O'Keefe E, Zada M, Duggins A, Thiagalingam A, Altman M, Boyd A, Byth K, Kizana E, Denniss AR, Thomas L. Clinical and echocardiographic characteristics of cardioembolic stroke. Eur J Neurol 2019; 26:1310-1317. [PMID: 31062440 DOI: 10.1111/ene.13981] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2018] [Accepted: 04/30/2019] [Indexed: 12/01/2022]
Abstract
BACKGROUND AND PURPOSE Ischaemic stroke frequently has a cardioembolic (CE) source. Clinical and echocardiographic parameters associated with CE stroke were evaluated. METHODS In all, 93 consecutive ischaemic stroke patients who underwent a transthoracic echocardiogram were retrospectively analysed; strokes were classified by TOAST (Trial of Org 10172 in Acute Stroke Treatment) criteria. Echocardiographic parameters related to CE stroke, including left atrial volumes and function, were compared to 73 healthy controls. RESULTS Of 93 patients (mean age 66.1 years, 56% male), nine (10%) had large artery atherosclerosis, 38 (41%) CE stroke, two (2%) small vessel disease, two (2%) other and 42 (45%) undetermined aetiology. Left atrial (LA) maximum volumes (LAVImax ) and minimum volumes (LAVImin ) were larger in the CE group than the non-CE group (45 vs. 32 ml/m2 , 32 vs. 13 ml/m2 , respectively, P < 0.001), whilst LA function indices including LA emptying fraction and LA function index (LAFI) were lower in the CE group (34% vs. 55%, and 0.12 vs. 0.35, respectively, P < 0.001). Adjusting for clinical characteristics, LAFI ≤0.3 was an independent predictor of CE stroke (adjusted odds ratio 5.3, P = 0.001). Additionally, LAVImax and LAVImin were larger (61 vs. 44 and 32 vs. 24 ml/m2 respectively, P < 0.01) and LAFI significantly lower (0.34 vs. 0.52, P < 0.001) in the undetermined aetiology group versus healthy controls. CONCLUSIONS Left atrial enlargement with reduced LA function was associated with CE stroke and LAFI was the best independent predictor. LA parameters were also altered in the undetermined aetiology group, suggesting an underlying LA myopathy in this subset.
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Affiliation(s)
- A Ferkh
- University of Sydney, Camperdown, NSW, Australia.,Cardiology Department, Westmead Hospital, Sydney, NSW, Australia
| | - P Brown
- Cardiology Department, Westmead Hospital, Sydney, NSW, Australia
| | - E O'Keefe
- Cardiology Department, Westmead Hospital, Sydney, NSW, Australia
| | - M Zada
- Cardiology Department, Westmead Hospital, Sydney, NSW, Australia
| | - A Duggins
- Neurology Department, Westmead Hospital, Sydney, NSW, Australia
| | - A Thiagalingam
- University of Sydney, Camperdown, NSW, Australia.,Cardiology Department, Westmead Hospital, Sydney, NSW, Australia
| | - M Altman
- Cardiology Department, Westmead Hospital, Sydney, NSW, Australia
| | - A Boyd
- University of Sydney, Camperdown, NSW, Australia
| | - K Byth
- University of Sydney, Camperdown, NSW, Australia
| | - E Kizana
- University of Sydney, Camperdown, NSW, Australia.,Cardiology Department, Westmead Hospital, Sydney, NSW, Australia.,Westmead Institute of Medical Research, Sydney, NSW, Australia
| | - A R Denniss
- University of Sydney, Camperdown, NSW, Australia.,Cardiology Department, Westmead Hospital, Sydney, NSW, Australia
| | - L Thomas
- University of Sydney, Camperdown, NSW, Australia.,Cardiology Department, Westmead Hospital, Sydney, NSW, Australia.,South Western Clinical School, University of New South Wales, Sydney, NSW, Australia
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25
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Deshmukh T, Geraghty L, Emmerig D, Sivapathan S, Hogg M, Panicker S, Brown P, Altman M, Gottlieb D, Thomas L. Alterations in Multiplanar Strain in Bone Marrow Transplant Patients Previously Treated with Anthracyclines. Heart Lung Circ 2019. [DOI: 10.1016/j.hlc.2019.06.240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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26
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Geenty P, Sivapathan S, Deshmukh T, Boyd A, Brown P, Altman M, Kwok F, Stewart G, Richards D, Thomas L. Right Ventricular Dysfunction in AL-Amyloidosis Cardiomyopathy. Heart Lung Circ 2019. [DOI: 10.1016/j.hlc.2019.06.318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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27
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28
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Klimis H, Khan ME, Thiagalingam A, Bartlett M, Altman M, Wynne D, Denniss AR, Cheung NW, Koryzna J, Chow CK. Rapid Access Cardiology (RAC) Services Within a Large Tertiary Referral Centre—First Year in Review. Heart Lung Circ 2018; 27:1381-1387. [DOI: 10.1016/j.hlc.2018.05.201] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Accepted: 05/29/2018] [Indexed: 12/20/2022]
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29
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Huang A, Swanson C, Babineau D, Whalen E, Gill M, Shao B, Liu A, Jepson B, Gruchalla R, O'Connor G, Pongracic J, Kercsmar C, Hershey GK, Zoratti E, Johnson C, Teach S, Kattan M, Bacharier L, Beigelman A, Sigelman S, Gergen P, Wheatley L, Presnell S, Togias A, Busse W, Jackson D, Altman M. EPITHELIAL CELL GENE NETWORKS UPREGULATED IN OBESE ASTHMATIC CHILDREN. Ann Allergy Asthma Immunol 2018. [DOI: 10.1016/j.anai.2018.09.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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30
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Camboulives L, Amaz C, Besseyre-Des-Horts T, Bergerot C, Monsec T, Altman M, Mewton N, Ovize M, Thibault H. P4602Women have a different cardiac phenotype after reperfused STEMI compared to men. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p4602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- L Camboulives
- University Hospital of Lyon - Hospital Louis Pradel, Lyon, France
| | - C Amaz
- Civils Hospices of Lyon, Centre d'Investigation Clinique de Lyon, Lyon, France
| | | | - C Bergerot
- University Hospital of Lyon - Hospital Louis Pradel, Lyon, France
| | - T Monsec
- University Hospital of Lyon - Hospital Louis Pradel, Lyon, France
| | - M Altman
- University Hospital of Lyon - Hospital Louis Pradel, Lyon, France
| | - N Mewton
- Civils Hospices of Lyon, Centre d'Investigation Clinique de Lyon, Lyon, France
| | - M Ovize
- University Hospital of Lyon - Hospital Louis Pradel, Lyon, France
| | - H Thibault
- University Hospital of Lyon - Hospital Louis Pradel, Lyon, France
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31
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Klimis H, Thiagalingam A, Altman M, Atkins E, Figtree G, Lowe H, Cheung NW, Kovoor P, Denniss AR, Chow CK. Rapid-access cardiology services: can these reduce the burden of acute chest pain on Australian and New Zealand health services? Intern Med J 2018; 47:986-991. [PMID: 27860148 DOI: 10.1111/imj.13334] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Revised: 11/03/2016] [Accepted: 11/07/2016] [Indexed: 01/17/2023]
Abstract
Chest pain is common and places a significant burden on hospital resources. Many patients with undifferentiated low- to intermediate-risk chest pain are admitted to hospital. Rapid-access cardiology (RAC) services are hospital co-located, cardiologist-led outpatient clinics that provide rapid assessment and immediate management but not long-term management. This service model is described as part of chest pain management and the National Service Framework for coronary heart disease in the United Kingdom (UK). We review the evidence on the effectiveness, safety and acceptability of RAC services. Our review finds that early assessment in RAC outpatient services of patients with suspected angina, without high-risk features suspicious of an acute coronary syndrome, is safe, can reduce hospitalisations, is cost effective and has good medical practitioner and patient acceptability. However, the literature is limited in that the evaluation of this model of care has been only in the UK. It is potentially suited to other settings and needs further evaluation in other settings to assess its utility.
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Affiliation(s)
- Harry Klimis
- Sydney Medical School, University of Sydney, Sydney, New South Wales, Australia.,Department of Cardiology, Westmead Hospital, Sydney, New South Wales, Australia.,The George Institute for Global Health, Sydney, New South Wales, Australia
| | | | - Mikhail Altman
- Department of Cardiology, Westmead Hospital, Sydney, New South Wales, Australia
| | - Emily Atkins
- Sydney Medical School, University of Sydney, Sydney, New South Wales, Australia.,The George Institute for Global Health, Sydney, New South Wales, Australia
| | - Gemma Figtree
- Department of Cardiology, Royal North Shore Hospital, Sydney, New South Wales, Australia.,North Shore Heart Research, Kolling Institute, University of Sydney, Sydney, New South Wales, Australia
| | - Harry Lowe
- Sydney Medical School, University of Sydney, Sydney, New South Wales, Australia.,Department of Cardiology, Concord Repatriation General Hospital, Sydney, New South Wales, Australia
| | - Ngai Wah Cheung
- Western Sydney Integrated Care Program, Sydney, New South Wales, Australia.,Department of Endocrinology, Westmead Hospital, Sydney, New South Wales, Australia
| | - Pramesh Kovoor
- Department of Cardiology, Westmead Hospital, Sydney, New South Wales, Australia
| | - Alan Robert Denniss
- Sydney Medical School, University of Sydney, Sydney, New South Wales, Australia.,Department of Cardiology, Westmead Hospital, Sydney, New South Wales, Australia.,Western Sydney University, Sydney, New South Wales, Australia
| | - Clara K Chow
- Sydney Medical School, University of Sydney, Sydney, New South Wales, Australia.,Department of Cardiology, Westmead Hospital, Sydney, New South Wales, Australia.,The George Institute for Global Health, Sydney, New South Wales, Australia
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32
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Klimis H, Altman M, Tan T, Natividad J, Abraham R, Thomas L. A Case of Persistent Right Ventricular Failure after Rapid Decompression of a Large Chronic Pericardial Effusion. ACTA ACUST UNITED AC 2018; 2:142-146. [PMID: 30128413 PMCID: PMC6098170 DOI: 10.1016/j.case.2018.02.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The authors report on PDS after pericardial drainage. PDS is rare and can manifest as LV, biventricular, or RV failure. Treatment is supportive, and recovery of ventricular function is expected in survivors. The mechanisms are unclear, although many have been proposed. Mortality is high, and PDS may occur even in small-volume pericardiocentesis.
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Affiliation(s)
- Harry Klimis
- University of Sydney, Camperdown, Australia
- The George Institute for Global Health, Camperdown, Australia
- Department of Cardiology Westmead Hospital, Westmead, Australia
| | - Mikhail Altman
- University of Sydney, Camperdown, Australia
- Department of Cardiology Westmead Hospital, Westmead, Australia
| | - Timothy Tan
- Department of Cardiology Westmead Hospital, Westmead, Australia
| | - Jojie Natividad
- Department of Cardiology Westmead Hospital, Westmead, Australia
| | - Robert Abraham
- Department of Cardiology Westmead Hospital, Westmead, Australia
| | - Liza Thomas
- University of Sydney, Camperdown, Australia
- University of New South Wales, Sydney, Australia
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33
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Sivapathan S, Boyd A, Deshmukh T, Kwok F, Altman M, Stewart G, Richards D, Denniss A, Thomas L. Relative Apical Sparing Using Longitudinal Strain to Diagnose Cardiac Amyloidosis. Heart Lung Circ 2018. [DOI: 10.1016/j.hlc.2018.06.505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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34
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Deshmukh T, Geragthy L, Sivapathan S, Hogg M, Do L, Brown P, Panicker S, Altman M, Gottlieb D, Thomas L. Strain Analysis Identifies Subclinical Left Ventricular Dysfunction in Patients who have had a Bone Marrow Transplant. Heart Lung Circ 2018. [DOI: 10.1016/j.hlc.2018.06.518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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35
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McIntyre D, Thiagalingam A, Qian P, Bartlett M, Wynne D, Altman M, Graham N, Chen H, Chow C. Tablet-Delivered Short Educational Videos Shown in a Cardiology Clinic Waiting Room Increased Patient Satisfaction and May Motivate Short-Term Behaviour Change. Heart Lung Circ 2018. [DOI: 10.1016/j.hlc.2018.06.868] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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36
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Sivapathan S, Boyd A, Deshmukh T, Kwok F, Altman M, Stewart G, Richards D, Robert Denniss A, Thomas L. Multi-Layer Strain as a Useful Technique to Identify Cardiac Amyloidosis. Heart Lung Circ 2018. [DOI: 10.1016/j.hlc.2018.06.478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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37
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Sandström A, Altman M, Cnattingius S, Johansson S, Ahlberg M, Stephansson O. Durations of second stage of labor and pushing, and adverse neonatal outcomes: a population-based cohort study. J Perinatol 2017; 37:236-242. [PMID: 27929527 PMCID: PMC5339416 DOI: 10.1038/jp.2016.214] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Revised: 10/05/2016] [Accepted: 10/14/2016] [Indexed: 11/09/2022]
Abstract
OBJECTIVE The associations between duration of second stage of labor, pushing time and risk of adverse neonatal outcomes are not fully established. Therefore, we aimed to examine such relationships. STUDY DESIGN A population-based cohort study including 42 539 nulliparous women with singleton infants born in cephalic presentation at ⩾37 gestational weeks, using the Stockholm-Gotland Obstetric Cohort, Sweden, and the Swedish Neonatal Quality Register, 2008 to 2013. Poisson regression was used to analyze estimated adjusted relative risks (RRs), with 95% confidence intervals (CIs). Outcome measures were umbilical artery acidosis (pH <7.05 and base excess <-12), birth asphyxia-related complications (including any of the following conditions: hypoxic ischemic encephalopathy, hypothermia treatment, neonatal seizures, meconium aspiration syndrome or advanced resuscitation after birth) and admission to neonatal intensive care unit (NICU). RESULTS Overall rates of umbilical artery acidosis, birth asphyxia-related complications and admission to NICU were 1.08, 0.63 and 6.42%, respectively. Rate of birth asphyxia-related complications gradually increased with duration of second stage: from 0.42% at <1 h to 1.29% at ≥4 h (adjusted RR 2.46 (95% CI 1.66 to 3.66)). For admission to NICU, corresponding rates were 4.97 and 9.45%, and adjusted RR (95% CI) was 1.80 (95% CI 1.58 to 2.04). Compared with duration of pushing <15 min, a duration of pushing ⩾60 min increased rates of acidosis from 0.57 to 1.69% (adjusted RR 2.55 (95% CI 1.51 to 4.30)). CONCLUSION Prolonged durations of second stage of labor and pushing are associated with increased RRs of adverse neonatal outcomes. Clinical assessment of fetal well-being is essential when durations of second stage and pushing increases.
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Affiliation(s)
- A Sandström
- Clinical Epidemiology Unit, T2, Department of Medicine Solna, Karolinska University Hospital and Institutet, Stockholm, Sweden,Division of Obstetrics and Gynecology, Department of Women's and Children's Health, Karolinska University Hospital and Institutet, Stockholm, Sweden,Clinical Epidemiology Unit, T2, Department of Medicine Solna, Karolinska University Hospital and Institutet, SE-17176 Stockholm, Sweden. E-mail:
| | - M Altman
- Clinical Epidemiology Unit, T2, Department of Medicine Solna, Karolinska University Hospital and Institutet, Stockholm, Sweden,Istituto Clinico Humanitas, Humanitas University, Rozzano, Milan, Italy
| | - S Cnattingius
- Clinical Epidemiology Unit, T2, Department of Medicine Solna, Karolinska University Hospital and Institutet, Stockholm, Sweden
| | - S Johansson
- Clinical Epidemiology Unit, T2, Department of Medicine Solna, Karolinska University Hospital and Institutet, Stockholm, Sweden,Department of Clinical Science and Education, Karolinska Institutet, Sweden
| | - M Ahlberg
- Clinical Epidemiology Unit, T2, Department of Medicine Solna, Karolinska University Hospital and Institutet, Stockholm, Sweden,Department of Obstetrics and Gynecology, South General Hospital, Stockholm, Sweden
| | - O Stephansson
- Clinical Epidemiology Unit, T2, Department of Medicine Solna, Karolinska University Hospital and Institutet, Stockholm, Sweden,Division of Obstetrics and Gynecology, Department of Women's and Children's Health, Karolinska University Hospital and Institutet, Stockholm, Sweden
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38
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Bergerot C, Davidsen ES, Amaz C, Thibault H, Altman M, Bellaton A, Moulin P, Derumeaux G, Ernande L. Diastolic function deterioration in type 2 diabetes mellitus: predictive factors over a 3-year follow-up. Eur Heart J Cardiovasc Imaging 2017; 19:67-73. [DOI: 10.1093/ehjci/jew331] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Accepted: 12/21/2016] [Indexed: 12/11/2022] Open
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39
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Klimis H, Altman M, Ferkh A, Brown P, Zecchin R, Denniss R, Thomas L. Determinants of Left Ventricular Diastolic Function Following ST-Elevation Myocardial Infarction (STEMI). Heart Lung Circ 2017. [DOI: 10.1016/j.hlc.2017.06.490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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40
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Klimis H, Thiagalingam A, Bartlett M, Altman M, Wynne D, Denniss R, Cheung N, Koryzna J, Chow C. Westmead Hospital Rapid Access Cardiology Clinic (RACC)–A Year in Review. Heart Lung Circ 2017. [DOI: 10.1016/j.hlc.2017.06.134] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Davis L, Altman M, Thialingalam A, England J, Costa R, Vallely M. Early Failure of an Edwards Intuity Rapid Deployment Sutureless Aortic Valve. Heart Lung Circ 2017. [DOI: 10.1016/j.hlc.2017.06.620] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Selvakumar D, Brown P, Denniss R, Thiagalingam A, Chow C, Altman M, Thomas L. Comparative Accuracy of Transthoracic Echocardiography (2D, Contrast Enhanced and 3D) vs. Gated Heart Pool Scanning in Assessing Left Ventricular Ejection Fraction Post ST Elevation Myocardial Infarction. Heart Lung Circ 2017. [DOI: 10.1016/j.hlc.2017.06.478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Klimis H, Thiagalingam A, Bartlett M, Altman M, Wynne D, Denniss R, Cheung N. Rapid Access Cardiology Clinics (RACC)–Assessing Cardiovascular Risk. Heart Lung Circ 2017. [DOI: 10.1016/j.hlc.2017.06.112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Ota T, Senaratne DNS, Preston NK, Ferrara F, Djikic D, Villemain O, Takahashi L, Niki K, Patrascu N, Benyounes N, Popa E, Diego Bellavia DB, Sundqvist M, Wei-Ting C, Papachristidis A, Djordjevic-Dikic A, Volpi C, Reis L, Nieto Tolosa J, Nishikawa H, D'angelo M, Testuz A, Mo YJ, Hashemi N, Toyota K, Nagamine K, Koide Y, Nomura T, Kurata J, Murakami Y, Kozuka Y, Ohshiro C, Thomas K, Townsend C, Wheeler S, Jacobson I, Elkington A, Balkhausen K, Bull S, Ring L, Gargani L, Carannante L, Russo V, D'alto M, Marra AM, Cittadini A, D'andrea A, Vriz O, Bossone E, Mujovic N, Dejanovic B, Peric V, Marinkovic M, Jankovic N, Orbovic B, Simic D, Sitefane F, Pernot M, Malekzadeh-Milani G, Baranger J, Bonnet D, Boudjemline Y, Uejima T, Nishikawa H, Semba H, Sawada H, Yamashita T, Sugawara M, Kayanuma H, Inoue K, Yagawa M, Takamisawa I, Umemura J, Yoshikawa T, Tomoike H, Mihalcea DJ, Mihaila S, Lungeanu L, Trasca LF, Bruja R, Neagu MS, Albu S, Cirstoiu M, Vinereanu D, Van Der Vynckt C, Gout O, Cohen A, Enache R, Jurcut R, Coman IM, Badea R, Platon P, Calin A, Beladan CC, Rosca M, Ginghina C, Popescu BA, Sonia Dell'oglio SD, Attilio Iacovoni AI, Calogero Falletta CF, Giuseppe Romano GR, Sergio Sciacca SS, Lissa Sugeng LS, Joseph Maalouf JM, Michele Pilato MP, Michele Senni MS, Cesare Scardulla CS, Francesco Clemenza FC, Salman K, Tornvall P, Ugander M, Chen ZC, Wang JJ, Fisch S, Liao RL, Roper D, Casar Demarco D, Papitsas M, Tsironis I, Byrne J, Alfakih K, Monaghan MJ, Boskovic N, Rakocevic I, Giga V, Tesic M, Stepanovic J, Nedeljkovic I, Aleksandric S, Kostic J, Beleslin B, Altman M, Annabi MS, Abouchakra L, Cucchini U, Muraru D, Badano LP, Ernande L, Derumeaux G, Teixeira R, Fernandes A, Almeida I, Dinis P, Madeira M, Ribeiro J, Puga L, Nascimento J, Goncalves L, Cambronero Sanchez FJ, Pinar Bermudez E, Gimeno Blanes JR, De La Morena Valenzuela G, Uejima T, Takahashi L, Semba H, Sawada H, Yamashita T, Lopez Fernandez T, Irazusta Cordoba FJ, Rosillo Rodriguez SO, Dominguez Melcon FJ, Meras Colunga P, Gemma D, Moreno Gomez R, Moreno Yanguela M, Lopez Sendon JL, Nguyen V, Mathieu T, Kerneis C, Cimadevilla C, Kubota N, Codogno I, Tubiana S, Estrellat C, Vahanian A, Messika-Zeitoun D, Ondrus T, Van Camp G, Di Gioia G, Barbato E, Bartunek J, Penicka M, Johnsson J, Gomez A, Alam M, Winter R. Poster Session 3The imaging examination and quality assessmentP626Value of mitral and tricuspid annular displacement to assess the interventricular systolic relationship in severe aortic valve stenosis : a Pilot studyP627Follow-up echocardiography in asymptomatic valve disease: assessing the potential economic impact of the European and American guidelines in a dedicated valve clinic, compared to standard care.P628The tricuspid valve: identification of optimal view for assessing for prolapseP629Right atrial volume by two-dimensional echocardiography in healthy subjectsP630Disturbance of inter and intra atrial conduction assessed by tissue doppler imaging in patients with medicaly controlled hypertension and prehypertension.P631Liver stiffness by shear wave elastography, new noninvasive and quantitative tool for acute variation estimation of central venous pressure in real-time?P632Weak atrial kick contribution is associated with a risk for heart failure decompensationP633Usefulness of wave intensity analysis in predicting the response to cardiac resynchronization therapyP634Early subclinical left ventricular systolic and diastolic dysfunction in gestational hypertension and preeclampsiaP635Clinical comparison of three different echocardiographic methods for left ventricular ejection fraction and LV end diastolic volume measurementP636Assessment of right ventricular-arterial coupling parameters by 3D echocardiography in patients with pulmonary hypertension receiving specific vasodilator therapyP637Prediction of right ventricular failure after left ventricular assist device implant: assessing usefulness of standard and strain echocardiographyP638Kinematic analysis of diastolic function using the novel freely available software Echo E-waves - feasibility and reproducibilityP639Evaluation of coronary flow velocity by Doppler echocardiography in the treatment of hypertension with the ARB: correlation to the histological cardiac fibrosisP640The clinical significance of limited apical ischaemia and the prognostic value of stress echocardiography - A contemporary study from a high volume centerP641Effects of intermediate stenosis of left anterior descending coronary artery on survival in patients with chronic total occlusion of right coronary arteryP642Left ventricular remodeling after a first myocardial infarction in patients with preserved ejection fraction at dischargeP643Left atrial size and acute coronary syndromes. Let is make simple.P644Influence of STEMI reperfusion strategy on systolic and diastolic functionP645Aortic valve resistance risk-stratifies low-gradient severe aortic stenosisP646Does permanent pacemaker implantation complicate the prognosis of patients after transcatheter aortic valve implantation?P647Influence of metabolic syndrome and diabetes on progression of calcific aortic valve stenosis - The COFRASA - GENERAC StudyP648Low referral for aortic valve replacement accounts for worse long-term outcome in low versus high gradient severe aortic stenosis with preserved ejection fractionP649The impact of right ventricular function from aortic valve replacement: A randomised study comparing minimally invasive aortic valve surgery and conventional open heart surgery. Eur Heart J Cardiovasc Imaging 2016. [DOI: 10.1093/ehjci/jew250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Bartlett M, Klimis H, Khan E, Patel M, Thiagalingam A, Altman M, Wynne D, Denniss R, Chow C. A Pilot of a Heart Failure Stabilisation Clinic. Heart Lung Circ 2016. [DOI: 10.1016/j.hlc.2016.06.224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Altman M. MO-FG-206-01: Clinical Trials and the Medical Physicist: Design, Analysis, and Our Role. Med Phys 2016. [DOI: 10.1118/1.4957319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Altman M. WE-E-201-03: Uncertainty and Issues in Biological Modeling for the Modern Medical Physicist. Med Phys 2015. [DOI: 10.1118/1.4926023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Mooney K, Altman M, Garcia-Ramirez J, Thomas M, Zoberi I, Mullen D, DeWees T, Esthappan J. SU-F-BRA-14: Optimization of Dosimetric Guidelines for Accelerated Partial Breast Irradiation (APBI) Using the Strut-Adjusted Volume Implant (SAVI). Med Phys 2015. [DOI: 10.1118/1.4925225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Altman M, Ernande L, Bergerot C, Derumeaux G. Should we search for linear correlations between global strain parameters and ejection fraction? Reply. Eur Heart J Cardiovasc Imaging 2014; 15:1301-2. [DOI: 10.1093/ehjci/jeu187] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Chen H, Tan J, Kavanaugh J, Dolly S, Gay H, Thorstad W, Anastasio M, Altman M, Mutic S, Li H. TU-C-17A-03: An Integrated Contour Evaluation Software Tool Using Supervised Pattern Recognition for Radiotheray. Med Phys 2014. [DOI: 10.1118/1.4889278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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