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Interventional echocardiography

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https://www.readbyqxmd.com/read/28544057/interventional-closure-of-a-patent-ductus-arteriosus-using-an-amplatz-canine-duct-occluder-in-an-alpaca-cria
#1
E C Chapel, J Lozier, J Lakritz, K E Schober
A 6-month old female alpaca cria presented to The Ohio State University for evaluation of a cardiac murmur. Echocardiography revealed a left-to-right shunting patent ductus arteriosus, a restrictive left-to-right shunting perimembranous ventricular septal defect, and secondary moderate left atrial and ventricular dilation. Aortic root angiography demonstrated a type IIA patent ductus arteriosus (PDA). Interventional closure of the PDA was successfully performed, without complication, using an Amplatz canine duct occluder...
May 24, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28543102/low-flow-low-gradient-aortic-stenosis-still-a-diagnostic-and-therapeutic-challenge
#2
REVIEW
Anja Vogelgesang, Gerd Hasenfuss, Claudius Jacobshagen
Aortic stenosis (AS) is the most frequently observed valvular heart disease. During the symptomatic stage, the rate of death increases dramatically, so that a precise diagnostic approach is taken to guide therapeutic options. Of patients with severe AS, 30% to 50% present with low-flow/low-gradient AS (LF/LGAS) status. This review focuses on LF/LGAS and the best diagnostic and therapeutic management in either classic LF/LGAS with reduced left ventricular ejection fraction (LVEF) or paradoxical LF/LGAS with preserved LVEF...
May 23, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28542596/progressive-mitochondrial-protein-lysine-acetylation-and-heart-failure-in-a-model-of-friedreich-s-ataxia-cardiomyopathy
#3
Amanda R Stram, Gregory R Wagner, Brian D Fogler, P Melanie Pride, Matthew D Hirschey, R Mark Payne
INTRODUCTION: The childhood heart disease of Friedreich's Ataxia (FRDA) is characterized by hypertrophy and failure. It is caused by loss of frataxin (FXN), a mitochondrial protein involved in energy homeostasis. FRDA model hearts have increased mitochondrial protein acetylation and impaired sirtuin 3 (SIRT3) deacetylase activity. Protein acetylation is an important regulator of cardiac metabolism and loss of SIRT3 increases susceptibility of the heart to stress-induced cardiac hypertrophy and ischemic injury...
2017: PloS One
https://www.readbyqxmd.com/read/28541602/three-dimensional-printing-in-cardiology-current-applications-and-future-challenges
#4
Hongxing Luo, Jarosław Meyer-Szary, Zhongmin Wang, Robert Sabiniewicz, Yuhao Liu
Three-dimensional (3D) printing has attracted a huge interest in recent years. Broadly speaking, it refers to the technology which converts a predesigned virtual model to a touchable object. In clinical medicine, it usually converts a series of two-dimensional medical images acquired through computed tomography, magnetic resonance imaging or 3D echocardiography into a physical model. Medical 3D printing consists of three main steps: image acquisition, virtual reconstruction and 3D manufacturing. It is a promising tool for preoperative evaluation, medical device design, hemodynamic simulation and medical education, it is also likely to reduce operative risk and increase operative success...
May 25, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28540070/an-update-on-intraoperative-three-dimensional-transesophageal-echocardiography
#5
REVIEW
Lisa Qia Rong
Transesophageal echocardiography (TEE) was first used routinely in the operating rooms in the 1980s to facilitate surgical decision-making. Since then, TEE has evolved from the standard two-dimensional (2D) exam to include focused real-time three-dimensional (RT-3D) imaging both inside and outside the operating rooms. Improved spatial and temporal resolution due to technological advances has expedited surgical interventions in diseased valves. 3D imaging has also emerged as a crucial adjunct in percutaneous interventions for structural heart disease...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28540067/utility-of-cardiac-magnetic-resonance-for-evaluation-of-mitral-regurgitation-prior-to-mitral-valve-surgery
#6
REVIEW
Neil K Mehta, Jiwon Kim, Jonathan Y Siden, Sara Rodriguez-Diego, Javid Alakbarli, Antonino Di Franco, Jonathan W Weinsaft
Mitral regurgitation (MR) is a common cause of morbidity worldwide and an accepted indication for interventional therapies which aim to reduce or resolve adverse clinical outcomes associated with MR. Cardiac magnetic resonance (CMR) provides highly accurate means of assessing MR, including a variety of approaches that can measure MR based on quantitative flow. Additionally, CMR is widely accepted as a reference standard for cardiac chamber quantification, enabling reliable detection of subtle changes in cardiac chamber size and function so as to guide decision-making regarding timing of mitral valve directed therapies...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28539414/moderately-elevated-homocysteine-does-not-contribute-to-thoracic-aortic-aneurysm-in-mice
#7
Jasmin Roohi, Benjamin Kang, David Bernard, Djahida Bedja, Harry C Dietz, Lawrence C Brody
Background: Moderate hyperhomocysteinemia is an attractive target for intervention because it is present in 5-7% of the population and can be reversed by diet. This approach presupposes that hyperhomocysteinemia is directly involved in the disease process. Epidemiologic studies have indicated that moderately elevated homocysteine may contribute to thoracic aortic aneurysm (TAA) dilatation and dissection in humans. In vitro, elevated homocysteine disrupts the structure and function of extracellular matrix components, suggesting that moderate hyperhomocysteinemia may contribute to the development and/or progression of TAA...
May 24, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28538235/what-should-we-do-about-low-blood-pressure-in-preterm-infants
#8
Eugene M Dempsey
The management of preterm infants with low blood pressure soon after birth remains unresolved. The definition of what constitutes low blood pressure is uncertain. At birth, mean blood pressure appears to be gestation specific and increases in the first few days of life. Antenatal steroids, delayed cord clamping, and the avoidance of mechanical ventilation are all associated with higher mean blood pressure and less hypotension after birth. Rates of hypotension of 15-50% have been reported in various studies of extremely preterm infants...
2017: Neonatology
https://www.readbyqxmd.com/read/28528367/evaluating-the-role-of-autologous-mesenchymal-stem-cell-seeded-on-decellularized-pericardium-in-the-treatment-of-myocardial-infarction-an-animal-study
#9
Abdol-Mohammad Kajbafzadeh, Seyed Hossein Ahmadi Tafti, Reza Khorramirouz, Shabnam Sabetkish, Seyedeh Maryam Kameli, Saghar Orangian, Shahram Rabbani, Nasim Oveisi, Marziyeh Golmohammadi, Zeynab Kashani
Inappropriate left ventricular remodeling following myocardial infarction (MI) can result in subsequent severe dysfunction. In this study, we tested the hypothesis that decellularized pericardium (DP) or seeded pericardial patch with autologous adipose-derived mesenchymal stem cells (ADMSCs) could be safely used in a MI scar and could improve heart function. Twelve rabbits were randomly divided into three equal groups. Four weeks after MI induction by ligation of the left anterior descending artery in 12 rabbits, animals of G1 (n = 4) received DP patch with labeled ADMSCs...
May 20, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/28528161/functional-implication-of-mitral-annular-disjunction-in-mitral-valve-prolapse-a-quantitative-dynamic-3d-echocardiographic%C3%A2-study
#10
Alex Pui-Wai Lee, Chun-Na Jin, Yiting Fan, Randolph H L Wong, Malcolm J Underwood, Song Wan
OBJECTIVES: This study aimed to assess the hypothesis that mitral annular disjunction (MAD) is associated with abnormal annular dynamics due to decoupling of annular-ventricular function. BACKGROUND: MAD, defined as a separation between the atrial wall-mitral valve (MV) junction and left ventricular (LV) attachment, is a structural abnormality occurring in MV prolapse (MVP). Few data exist on the 3-dimensional (3D) geometry of MAD and its functional implication...
May 11, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28522164/heart-failure-post-hospital-mortality-and-renal-function-in-tanzania-a-prospective-cohort-study
#11
Justin R Kingery, Missana Yango, Bahati Wajanga, Fredrick Kalokola, Josef Brejt, Johannes Kataraihya, Robert Peck
OBJECTIVE: To determine one-year, post-hospital mortality and the predictors of mortality in Tanzanian adults with heart failure (HF) compared to other admitted adults. METHODS: In this prospective cohort study we consecutively enrolled medical inpatients admitted during a 3-month period, screened for HF and followed until 12 months after hospital discharge. Standardized history, physical examination, echocardiography and laboratory investigations were obtained during hospital presentation...
May 9, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28515755/common-origin-of-all-three-coronary-arteries-from-the-right-sinus-of-valsalva-first-case-study-accompanied-by-mitral-valve-prolapse-and-vein-anomaly-second-case-study-followed-by-successful-percutaneous-coronary-intervention-of-right-coronary-artery-stenosis
#12
Brygida Przywara-Chowaniec, Agata Puzio, Łukasz Czarnecki, Damian Kawecki, Jan Głowacki, Ewa Nowalany-Kozielska, Aleksandra Czarnecka
Congenital anomalies of the coronary arteries can be divided into two broad categories: those that alter myocardial perfusion and those that do not. In coronary anomalies not altering myocardial perfusion, the coronary arteries originate from the aorta, but their origins are in unusual positions. Although myocardial perfusion is normal, the angiographer may have trouble locating them. Patients with an anomalous left main coronary artery arising from the right sinus of Valsalva are presented. The diagnosis was made by coronary angiography, transesophageal echocardiography and multislice computed tomography (MSCT)...
March 2017: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/28514327/postoperative-assessment-of-myocardial-function-and-microcirculation-in-patients-with-acute-coronary-syndrome-by-myocardial-contrast-echocardiography
#13
Li Jiang, Hong Yao, Zhao-Guang Liang
BACKGROUND Postoperative myocardial function and microcirculation of acute coronary syndrome (ACS) was assessed by myocardial contrast echocardiography (MCE). MATERIAL AND METHODS Eighty-nine ACS patients treated with percutaneous coronary intervention (PCI) were detected by MCE and two-dimensional ultrasonography before and a month later after PCI respectively. Their myocardial perfusion was evaluated by myocardial contrast score (MSC) and contrast score index (CSI); cross-sectional area of microvessel (A), average myocardial microvascular impairment (β), and myocardial blood flow (MBF) were analyzed by cardiac ultrasound quantitative analysis (CUSQ), and fractional flow reserve (FFR) change was observed...
May 17, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28512744/incremental-benefit-of-three-dimensional-transesophageal-echocardiography-in-the-assessment-of-left-main-coronary-artery-stent-protrusion
#14
Mohammed J Arisha, Ming C Hsiung, Amier Ahmad, Navin C Nanda, Ahmed Elkaryoni, Ahmed H Mohamed, Wei-Hsian Yin
Ostial lesions represent a challenging clinical scenario and percutaneous intervention (PCI) of left main coronary artery ostial lesions has been associated with postintervention complications, including protrusion of deployed stents into a sinus of Valsalva or aortic root. We report a case of stent protrusion into the aortic root following aorto-ostial left main coronary artery PCI, in which three-dimensional transesophageal echocardiography (3DTEE) provided incremental benefit over standard two-dimensional images...
May 16, 2017: Echocardiography
https://www.readbyqxmd.com/read/28508519/fetal-cardiac-remodeling-in-twin-pregnancies-conceived-by-assisted-reproductive-technologies
#15
Brenda Valenzuela-Alcaraz, Mónica Cruz-Lemini, Mérida Rodríguez-López, Ana Goncé, Laura García-Otero, Helena Ayuso, Marta Sitges, Bart Bijnens, Juan Balasch, Eduard Gratacós, Fátima Crispi
BACKGROUND: Recent data suggest that singleton fetuses conceived by assisted reproductive technologies (ART) present cardiovascular remodeling that may persist postnatally. Twin pregnancies are more frequent in the ART population, and are associated with increased adverse perinatal outcomes like hypertensive disorders, gestational diabetes and preterm birth. However, it is unknown whether cardiac remodeling is also present in twin pregnancies conceived by ART. Our aim was to assess the presence of fetal cardiac remodeling and dysfunction in twin pregnancies conceived by ART, as compared to spontaneously conceived (SC) ones...
May 15, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28497565/transient-left-ventricular-outflow-tract-obstruction-with-systolic-anterior-motion-of-the-mitral-valve-a-stunning-cause
#16
Christiaan L Meuwese, Mohamed Boulaksil, Jeroen van Dijk, Jawed Polad, Huub W Meijburg
Left ventricular outflow tract obstruction (LVOTO) and systolic anterior motion (SAM) of the mitral valve may have various etiologies, of which hypertrophic cardiomyopathy is the most common. More rarely, an acute coronary syndrome, myocardial stunning, and takotsubo cardiomyopathy may give rise to LVOTO and SAM. Here, we present a 70-year-old female patient with a non-ST-elevation acute coronary syndrome treated with percutaneous coronary intervention. Echocardiography the day after, because of dyspnea and hypotension, revealed apical akinesia, LVOTO, and SAM, which proved completely reversible after treatment with a β-blocker and a 2-month follow-up period...
May 12, 2017: Echocardiography
https://www.readbyqxmd.com/read/28497553/simultaneous-transcatheter-therapy-for-perimembranous-ventricular-septal-defect-combined-with-patent-ductus-arteriosus
#17
Qiguang Wang, Xianyang Zhu, Zhang Duanzhen, Po Zhang, Huoyuan Chen, Xiumin Han, Xiaotang Sheng, Lili Meng
OBJECTIVE: This study aims to assess the clinical efficiency and safety of simultaneous transcatheter interventional treatment for perimembranous ventricular septal defect (pmVSD) combined with patent ductus arteriosus (PDA). METHODS: Twenty-five patients with pmVSD and PDA treated with simultaneous transcatheter interventions from April 2004 to December 2015 were included in this study. The mean age was 9.80 ± 8.14 years and the mean weight was 29.76 ± 14...
May 11, 2017: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/28497090/association-between-prostate-specific-antigen-levels-and-coronary-artery-angioplasty
#18
Arezoo Khosravi, Eghlim Nemati, Mahdi Soleimanian, Neda Raesi, Shahin Abbaszadeh
Introduction: Prostate-specific antigen (PSA) is a protein, whose serum levels changes during various physiologic and pathologic situations. Recently, the relationship between PSA and cardiologic disorders has been assessed. Objectives: The purpose of this study was to assess the association of percutaneous coronary intervention (PCI) complications with PSA serum levels. Patients and Methods: In this study, 100 eligible patients undergoing PCI were included. The total PSA serum values were analyzed pre- and post-procedure...
2017: Journal of Renal Injury Prevention
https://www.readbyqxmd.com/read/28496511/evaluation-of-coronary-arteries-in-non-ischemic-cardiomyopathies-a-case-report
#19
Farveh Vakilian, Mahmood Mohamadzadeh Shabestari, Ahmad Amin, Soheila Chamanian, Toktam Moghiman
Arrhythmogenic right ventricular dysplasia/cardiomyopathy (ARVD/C) is a congenital cardiac disease with myocardial involvement, most probably right ventricular (RV) dysfunction, accounting for 20% of sudden cardiac deaths. Characterized by the fibro-fatty infiltration of the RV free wall, ARVD/C presents in adolescents with ventricular arrhythmias and heart failure symptoms and as biventricular failure in adults. The coronary risk in these patients is not clear. We present an incidental finding: the left anterior descending artery cut-off in a middle-aged man with ARVD/C...
October 3, 2016: Journal of Tehran Heart Center
https://www.readbyqxmd.com/read/28494028/rosemary-supplementation-rosmarinus-oficinallis-l-attenuates-cardiac-remodeling-after-myocardial-infarction-in-rats
#20
Bruna Paola Murino Rafacho, Priscila Portugal Dos Santos, Andréa de Freitas Gonçalves, Ana Angélica Henrique Fernandes, Katashi Okoshi, Fernanda Chiuso-Minicucci, Paula S Azevedo, Leonardo Antonio Mamede Zornoff, Marcos Ferreira Minicucci, Xiang-Dong Wang, Sergio Alberto Rupp de Paiva
BACKGROUND: Myocardial infarction (MI) is one of the leading causes of morbidity and mortality worldwide. Dietary intervention on adverse cardiac remodeling after MI has significant clinical relevance. Rosemary leaves are a natural product with antioxidant/anti-inflammatory properties, but its effect on morphology and ventricular function after MI is unknown. METHODS AND RESULTS: To determine the effect of the dietary supplementation of rosemary leaves on cardiac remodeling after MI, male Wistar rats were divided into 6 groups after sham procedure or experimental induced MI: 1) Sham group fed standard chow (SR0, n = 23); 2) Sham group fed standard chow supplemented with 0...
2017: PloS One
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