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Delayed Enhancement MR Imaging: Utility in Myocardial Assessment

Jens Vogel-Claussen, Carlos E. Rochitte, Katherine C. Wu, Ihab R. Kamel, Thomas K. Foo, João A. C. Lima, David A. Bluemke
2006 Radiographics  
In hypertrophic cardiomyopathy, cardiac MR imaging is used to assess left ventricular wall thickness and mass, regional myocardial function, and degree of left ventricular outflow tract obstruction.  ...  At histologic analysis, hypertrophic cardiomyopathy is characterized by myofibrillar disarray and abnormal increase in connective (fibrotic) tissue within the left ventricular wall, which demonstrates  ...  Page 798 In general, myocardial scar or fibrosis involving more than 50% of myocardial wall thickness at cardiac MR imaging is unlikely to recover contractile function following coronary revascularization  ... 
doi:10.1148/rg.263055047 pmid:16702455 fatcat:5qwiexlgxrh2dkxd3mj5vsrilq

Myocardial edema in Takotsubo syndrome mimicking apical hypertrophic cardiomyopathy: An insight into diagnosis by cardiovascular magnetic resonance

Cemil Izgi, Sanjoy Ray, Evangelia Nyktari, Francisco Alpendurada, Alexander R. Lyon, Sudhir Rathore, Arun John Baksi
2015 Heart & Lung  
As the affected myocardium most commonly involves the apical segments, an edema induced increase in apical wall thickness may lead to appearances of an apical hypertrophic cardiomyopathy rather than apical  ...  ballooning in the acute to subacute phase of Takotsubo syndrome.  ...  The case presentation and images are on a novel observation of significantly increased left ventricular (LV) apical wall thickness mimicking apical hypertrophic cardiomyopathy in the course of Takotsubo  ... 
doi:10.1016/j.hrtlng.2015.07.008 pmid:26314758 fatcat:e4acdwirbbhcblmze7y777dc44

Acute Coronary Syndrome and Myocardial Ischemia in Hypertrophic Cardiomyopathy

Ambreen Gul, Ali Gohar Lodro
2020 Cardiology and Cardiovascular Research  
Coronary angiogram showed a normal right and left coronary system. Patient was diagnosed with hypertrophic cardiomyopathy.  ...  On the basis of severe left ventricular hypertrophy (especially septal thickness >3.5 cm) and myocardial fibrosis, Patient was started on beta blockers and ICD was inserted for primary prevention of arrhythmias  ...  Treatment Patient was finally diagnosed with hypertrophic Ambreen Gul and Ali Gohar Lodro: Acute Coronary Syndrome and Myocardial Ischemia in Hypertrophic Cardiomyopathy cardiomyopathy after echocardiogram  ... 
doi:10.11648/j.ccr.20200401.15 fatcat:6xbcclut3zaqfh5o2zckmzguxq

Cardiac insulin-like growth factor-1 and cyclins gene expression in canine models of ischemic or overpacing cardiomyopathy

Maryam Mahmoudabady, Myrielle Mathieu, Karim Touihri, Ielham Hadad, Agnes Mendes Da Costa, Robert Naeije, Kathleen Mc Entee
2009 BMC Cardiovascular Disorders  
a healed myocardial infarction, 8 dogs after 7 weeks of overpacing and in 7 healthy control dogs.  ...  Conclusion: These results agree with the notion that IGF-1/IGF-1R and cyclins are involved in the hypertrophic response observed in cardiomyopathies.  ...  Maryam Mahmoudabady has a grant from the Ministry of Health and Med-ical Education, Iran. Karim Touihri has a grant from the Erasme Foundation, Belgium.  ... 
doi:10.1186/1471-2261-9-49 pmid:19818143 pmcid:PMC2763849 fatcat:firtcgl6prdg7nnrghfxwciine

Diagnostic and prognostic roles of echocardiography and cardiac magnetic resonance

Victoria Delgado, Chiara Bucciarelli-Ducci, Jeroen J. Bax
2016 Journal of Nuclear Cardiology  
septum thickness (in hypertrophic cardiomyopathy), or right ventricular aneurysms (in arrhythmogenic dysplasia of the right ventricle) have been included in the predictive models. 3 Cardiac imaging  ...  Panel A shows left ventricular (LV) hypertrophy with [15 mm thickness of the septal and lateral walls.  ... 
doi:10.1007/s12350-016-0595-z pmid:27473216 pmcid:PMC5116044 fatcat:kmvysikqrzbm7kz54dc2ftmr5q

Progression of hypertrophic cardiomyopathy into a hypokinetic left ventricle: Higher incidence in patients with midventricular obstruction

Sayid Fighali, Zvonimir Krajcer, Sidney Edelman, Robert D. Leachman
1987 Journal of the American College of Cardiology  
Such hypokinesia can occur after an acute myocardial infarction or it can develop gradually without clinical or electrocardiographic evidence of infarction.  ...  The development of segmental or generalized left ventricular hypokinesia is an unusual occurrence in patients with hypertrophic cardiomyopathy.  ...  MD and Richard Leachman, MD for allowing us to include their patients in this study. and also for their valuable comments.  ... 
doi:10.1016/s0735-1097(87)80377-7 pmid:3805517 fatcat:wa5xouivh5cz7bhhxou4whk3e4

Assessment of systolic thickening with thallium-201 ECG-gated single-photon emission computed tomography: a parameter for local left ventricular function

T Mochizuki, K Murase, Y Fujiwara, S Tanada, K Hamamoto, W N Tauxe
1991 Journal of Nuclear Medicine  
Five normals, 15 patients with prior myocardial infarction, 5 with hypertrophic cardiomyopathy, and 3 with dilated cardiomyopathy were studied.  ...  , 0.14 +/- 0.05; hypertrophic cardiomyopathy in relatively nonhypertrophied areas, 0.56 +/- 0.11; hypertrophic cardiomyopathy in hypertrophied areas, 0.23 +/- 0.07; and dilated cardiomyopathy, 0.19 +/-  ...  Meg Sachse, and Ms. Judith K. Holden for preparation of the manuscript.  ... 
pmid:1869967 fatcat:cdatgsqiyndxdnllrss55aqqom

An unusual case of apical myocarditis: a case report

Arka Das, Ananth Kidambi, Sven Plein, Erica Dall'Armellina, Shahil Mehta Vishal, Ghosh Dastidar Amardeep, Fielder Camm Christian, Podlesnikar Tomaz, Alexander Brown Richard
2020 European Heart Journal: Case Reports  
A repeat CMR scan was performed 3 months later showed normalization of LV wall thickness, LGE and T2 values in the apical segments.  ...  Background Myocardial infarction with non-obstructed coronary arteries (MINOCA) syndrome accounts for ∼6–8% of acute coronary syndrome presentations.  ...  of Leeds, for their assistance in recruiting, scanning, and collecting data for this study.  ... 
doi:10.1093/ehjcr/ytaa347 pmid:33634222 pmcid:PMC7891283 fatcat:gtxu32dk6rclzdsuz5swkmnoie

The Use of Contrast-Enhancement Cardiovascular Magnetic Resonance Imaging in Cardiomyopathies [chapter]

Marlon A.G.M., Michel A., Jan van, Lodewijk J., Clemens von
2012 Cardiomyopathies - From Basic Research to Clinical Management  
CE-CMR in nonischemic cardiomyopathies 3.2.1 Hypertrophic cardiomyopathy Hypertrophic cardiomyopathy is a primary myocardial disease characterized by focal (mostly septal) or diffuse left ventricular wall  ...  Therefore very useful in the (sub) acute phase of myocardial infarction and myocarditis.  ...  Currently, cardiomyopathies are defined as myocardial disorders in which the heart muscle is structurally and/or functionally abnormal in the absence of a coronary artery disease, hypertension, valvular  ... 
doi:10.5772/29660 fatcat:hmyfycq5mbhydoshglg5orojeu

0304: Impact of global and segmental hypertrophy on 3D systolic deformation in hypertrophic cardiomyopathy: comparison with healthy subjects

Damien Voilliot, Olivier Huttin, Thibaud Vaugrenard, Etienne Aliot, Nicolas Sadoul, Yves Juillière, Christine Selton-Suty
2015 Archives of Cardiovascular Diseases Supplements  
events (CE) after acute anterior myocardial infarction (AMI). 0308 Longitudinal 2D strain predicts severe coronary artery disease in patients with NSTEMI, normal left ventricular ejection fraction and  ...  Objective: to test the usefulness of two-dimensional longitudinal strain pattern (2DS) in segments with wall motion abnormalities (WMA) to predict left ventricular (LV) recovery and in-hospital cardiac  ...  LV wall thickness (LVWT) of the 16 LV segments was assessed in short-axis views and classified in 4 quartiles (< 10.5mm, 10.5-13.0mm, 13.0-16.5mm and >16.5mm).  ... 
doi:10.1016/s1878-6480(15)71586-7 fatcat:qr7wdoiczjcmnlj7mhp776kwvi

Hypertrophic cardiomyopathy associated with sudden death during marathon racing

T D Noakes, A G Rose, L H Opie
1979 Heart  
We propose that the runner died from myocardial ischaemia, precipitated by marathon running on a background of hypertrophic cardiomyopathy.  ...  At necropsy, ventricular hypertrophy but no asymmetrical septal hypertrophy was found. Histological studies showed features of hypertrophic cardiomyopathy. The coronary arteries were normal.  ...  Olsen of the National Heart Hospital, London, and Dr J. E. Edwards of St Paul, Minnesota, for reviewing the myocardial histology. We thank Dr T. G.  ... 
doi:10.1136/hrt.41.5.624 pmid:157146 pmcid:PMC482078 fatcat:xjo7hjohxbf6no2s4jue7yiboa

Post-mortem cardiac magnetic resonance parameters in normal and diseased conditions

Giuseppe Femia, Neil Langlois, Jim Raleigh, Sunthara Rajan Perumal, Christopher Semsarian, Rajesh Puranik
2021 Cardiovascular Diagnosis and Therapy  
Left ventricular (LV) wall thickness, LV myocardial signal intensity and ventricular cavity areas were measured.  ...  In patients without cardiovascular disease, LV wall thickness was found to be unreliable in diagnosing hypertrophic cardiomyopathy without histological and/or genetic testing.  ...  In those with acute or subacute myocardial infarction, the median LV wall thickness of infarcted myocardial wall was 13 mm [12] [13] .  ... 
doi:10.21037/cdt-20-948 pmid:33968616 pmcid:PMC8102245 fatcat:k67dnpzpsrfajddeznodeqvq2u

Hemodynamic Consequences of Hypertrophic Cardiomyopathy with Midventricular Obstruction: Apical Aneurysm and Thrombus Formation

Shahryar G Saba
2014 Journal of General Practice  
Conclusions: Hypertrophic cardiomyopathy with midventricular hypertrophy leads to cavity obstruction, increased apical wall tension, ischemia and ultimately fibrosis.  ...  For these reasons, hypertrophic cardiomyopathy with midventricular obstruction portends a particularly poor prognosis and should be recognized early in the disease process.  ...  wall thickness >25 mm.  ... 
doi:10.4172/2329-9126.1000161 pmid:27019860 pmcid:PMC4807733 fatcat:7hb4henadneo5l5fwfriuh6qze

Regional interaction between myocardial sympathetic denervation, contractile dysfunction, and fibrosis in heart failure with preserved ejection fraction: 11C-hydroxyephedrine PET study

Tadao Aikawa, Masanao Naya, Masahiko Obara, Noriko Oyama-Manabe, Osamu Manabe, Keiichi Magota, Yoichi M. Ito, Chietsugu Katoh, Nagara Tamaki
2017 European Journal of Nuclear Medicine and Molecular Imaging  
Multivariate analysis demonstrated that systolic wall thickening and the extent of LGE were significant predictors of regional 11 C-HED RI in HFpEF patients (both P ≤ 0.001).  ...  measure of myocardial damage in HFpEF.  ...  In contrast, denervated myocardium is located in the apex and inferior wall in patients with idiopathic dilated cardiomyopathy [5, 7] and in the hypertrophic wall in patients with hypertrophic cardiomyopathy  ... 
doi:10.1007/s00259-017-3760-y pmid:28653180 fatcat:f6u7bgpczfcancvlc25736q7ay

Pattern of delayed myocardial enhancement: A key to differentiate ischemic and non-ischemic cardiomyopathies

N.H. Behairy, S.M. Mansour
2014 The Egyptian Journal of Radiology and Nuclear Medicine  
Images were evaluated for presence, distribution, pattern and site of delayed myocardial enhancement. Results: Seven types of cardiomyopathies were diagnosed in this study.  ...  Dilated cardiomyopathy showed midwall linear enhancement, hypertrophic cardiomyopathy showed patchy midwall enhancement and restrictive cardiomyopathy showed subendocardial circumferential enhancement.  ...  Adequate contractility and normal wall thickness were found excluding hypertrophic cardiomyopathy.  ... 
doi:10.1016/j.ejrnm.2013.09.013 fatcat:ixokraofqzfyzl3to7fyoejeem
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