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Non-invasive cardiology

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https://www.readbyqxmd.com/read/27881061/traditional-and-alternative-therapies-for-refractory-angina
#1
Duygu Kocyigit, Kadri Murat Gurses, Muhammed Ulvi Yalcin, Lale Tokgozoglu
Refractory angina (RFA) is an unfavourable condition that is characterized with persistent angina due to reversible myocardial ischaemia in patients with coronary artery disease that remains uncontrollable despite an optimal combination of pharmacological agents and revascularization. Despite significant advances in revascularization techniques and agents used in pharmacological therapy, there is a significant population suffering from RFA and the global prevalence is even increasing. Anti- anginal treatment and secondary risk-factor modification are the traditional approaches for this group of patients...
November 23, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27860475/-new-diagnostic-imaging-technique-shear-wave-elastography
#2
M Zemanová
Shear wave elastography (SWE) is a new non-invasive diagnostic imaging technique, that maps the elastic properties of tissues. Nowadays this modality develops increasingly in medicine across its disciplines and opens a new era of high-quality ultrasound examination because it increases the specificity and thus improves diagnostic assurance. This method is similar to manual palpation, shows elastic properties of biological tissues and provides a kind of reconstruction of the internal structure of soft tissues based on measurement of the response of tissue compression...
2016: Ceská a Slovenská Oftalmologie
https://www.readbyqxmd.com/read/27793103/the-sphinx-s-riddle-cardiovascular-involvement-in-autoimmune-rheumatic-disease
#3
REVIEW
Sophie Mavrogeni, George Markousis-Mavrogenis, Genovefa Kolovou
Factors leading to Cardiovascular Disease (CVD) in Autoimmune Rheumatic Diseases (ARD) include: a) atherosclerosis and macro-microvascular coronary artery disease b) pericardial, myocardial and vascular inflammation c) heart valve disease d) heart failure and e) pulmonary hypertension.Cardiology utilizes various non-invasive imaging modalities, such as rest/stress Electrocardiogram (ECG), echocardiography, nuclear imaging and more recently Cardiovascular Magnetic Resonance (CMR) to detect ischemic or inflammatory disease in ARD...
October 28, 2016: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/27765846/non-invasive-assessment-of-cardiac-output-by-brachial-cuff-technique-comparison-to-the-open-circuit-acetylene-washin-method
#4
Pavol Sajgalik, Vaclav Kremen, Alex R Carlson, Vratislav Fabian, Chul-Ho Kim, Courtney M Wheatley, Vaclav Gerla, John A Schirger, Thomas P Olson, Bruce D Johnson
Cardiac output (CO) assessment as a basic hemodynamic parameter has been of interest in exercise physiology, cardiology and anesthesiology. Non-invasive techniques available are technically challenging, and thus difficult to use outside of the clinical or laboratory setting. We propose a novel method of non-invasive CO assessment using a single upper arm cuff. The method uses the arterial pressure pulse wave signal acquired from the brachial artery during 20 second intervals of suprasystolic occlusion. This method was evaluated on a cohort of 12 healthy individuals (age of 27...
October 20, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27755514/-vest-recorder-used-in-diagnostics-of-occasionally-occurring-supraventricular-tachycardia-nearby-sinus-node-a-case-report
#5
Karolina Adamczyk, Beata Średniawa, Katarzyna Mitręga, Stanisław Morawski, Agata Musialik-Łydka, Zbigniew Kalarus
Symptoms such as palpitations, fainting, dizziness and unexplained loss of consciousness are often notified by patients in clinical practice. Cardiological causes of these ailments could be various, inter alia, atriaventricular conduction disorders, supraventricular arrythmias or more life-threatening ventricular arrythmias. Diagnostics of these disorders includes a series of basic non-invasive research and more advanced specialistic methods. Presented case report shows problems of arrythmias diagnostics and imperfections of avaible methods...
September 29, 2016: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/27730795/do-legal-issues-deserve-space-in-specialty-medical-journals
#6
Neeraj Nagpal
Physicians and Internists in India have tended to brush under the carpet legal issues affecting their profession. Of concern to all Physicians is the judgment in a recent case where the NCDRC has stated that if MD Medicine Physicians write Physician & Cardiologist on their letterhead it is Quackery. What is MD Medicine degree holder in India qualified and trained to treat ? These are issues which need debate and that can only be initiated once we recognize that there is a problem. Either an MD Medicine is a cardiologist or he is not...
February 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27729667/-sici-gise-position-paper-use-of-absorb-bvs-in-clinical-practice
#7
Giuseppe Tarantini, Francesco Saia, Piera Capranzano, Bernardo Cortese, Marco Mojoli, Giacomo Boccuzzi, Andrea Cuculo, Salvatore Geraci, Alessio Mattesini, Jacopo Oreglia, Francesco Summaria, Luca Testa, Sergio Berti, Giovanni Esposito, Alessio La Manna, Ugo Limbruno, Alfredo Marchese, Ciro Mauro, Fabio Tarantino, Alessandro Salvi, Gennaro Santoro, Ferdinando Varbella, Roberto Violini, Giuseppe Musumeci
Drug-eluting stents (DES) are the current gold standard for percutaneous treatment of coronary artery disease. However, DES are associated with a non-negligible risk of long-term adverse events related to persistence of foreign material in the coronary artery wall. In addition, DES implantation causes permanent caging of the native vessel, thus impairing normal vasomotricity and the possibility of using non-invasive coronary imaging or preforming subsequent bypass surgery. On the contrary, coronary bioresorbable stents (BRS) may provide temporary mechanical support to coronary wall without compromising the subsequent recovery of normal vascular physiology, and have the potential to prevent late adverse events related to permanent elements...
October 2016: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/27727088/cardiac-surgery-or-interventional-cardiology-why-not-both-let-s-go-hybrid
#8
Nikolaos A Papakonstantinou, Nikolaos G Baikoussis, Panagiotis Dedeilias, Michalis Argiriou, Christos Charitos
A hybrid strategy, firstly performed in the 1990s, is a combination of tools available only in the catheterization laboratory with those available only in the operating room in order to minimize surgical morbidity and face with any cardiovascular lesion. The continuous evolution of stent technology along with the adoption of minimally invasive surgical approaches, make hybrid approaches an attractive alternative to standard surgical or transcatheter techniques for any given set of cardiovascular lesions. Examples include hybrid coronary revascularization, when an open surgical anastomosis of the left internal mammary artery to the left anterior descending coronary artery is performed along with stent implantation in non-left anterior descending coronary vessels, open heart valve surgery combined with percutaneous coronary interventions to coronary lesions, hybrid aortic arch debranching combined with endovascular grafting for thoracic aortic aneurysms, hybrid endocardial and epicardial atrial fibrillation procedures, and carotid artery stenting along with coronary artery bypass grafting...
October 8, 2016: Journal of Cardiology
https://www.readbyqxmd.com/read/27693052/prehospital-and-in-hospital-course-of-care-for-patients-with-acute-heart-failure-features-and-impact-on-prognosis-in-real-life
#9
Laura Cluzol, Jennifer Cautela, Pierre Michelet, Antoine Roch, François Kerbaul, Julien Mancini, Marc Laine, Michael Peyrol, Floriane Robin, Franck Paganelli, Laurent Bonello, Franck Thuny
BACKGROUND: Acute heart failure (AHF) is a life-threatening medical emergency for which no new effective therapies have emerged in recent decades. No previous study has exhaustively described the entire course of care of AHF patients from first medical contact to hospital discharge or assessed its impact on prognosis. AIM: To fully describe the course of care and analyze its influence on outcomes in patients hospitalized with an AHF syndrome in an academic university center...
September 29, 2016: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/27659455/pet-mr-yet-another-tesla
#10
Markus Schwaiger, Karl Kunze, Christoph Rischpler, Stephan G Nekolla
After the successful introduction of PET/CT as a multimodality imaging technique, PET/MR has subsequently emerged as an attractive instrumentation for applications in neurology, oncology, and cardiology. Simultaneous data acquisition combining structural, functional, and molecular imaging provides a unique platform to link various aspects of cardiac performance for the non-invasive characterization of cardiovascular disease phenotypes. Specifically, tissue characterization by MR techniques with and without contrast agents allows for functional parameters such as LGE, myocardial perfusion, and T1 maps as well as an estimate of extracellular volume...
September 22, 2016: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/27629839/diabetic-patients-with-an-acute-myocardial-infarction-in-terms-of-risk-factors-and-comorbidities-management-characteristics-of-the-highest-risk-individuals
#11
Józefa Dąbek, Mariusz Bałys, Michał Majewski, Zbigniew T Gąsior
BACKGROUND: Patients with diabetes mellitus (DM) and acute myocardial infarction (AMI) are heterogeneous individuals with different clinical status compared to patients without DM. OBJECTIVES: The aim of this study was to analyze the group of diabetic patients with ST-segment elevation MI (STEMI) or non-ST-segment elevation infarction (NSTEMI) including risk factors, medical history, laboratory findings, advancement of coronary vessel atherosclerosis, and diagnostics and therapeutic modalities performed...
July 2016: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/27608336/speckle-tracking-echocardiography-in-the-critically-ill-enticing-research-with-minimal-clinical-practicality-or-the-answer-to-non-invasive-cardiac-assessment
#12
S Orde, S J Huang, A S McLean
Echocardiography is developing rapidly. Speckle tracking echocardiography is the latest semi-automatic tool that has potential to quantitatively describe cardiac dysfunction that may be unrecognised by conventional echocardiography. It is a non-Doppler, angle-independent, feasible and reproducible method to evaluate myocardial function in both non-critically ill and critically ill populations. Increasingly it has become a standard measure of both left and right ventricle function in specific patient groups, e...
September 2016: Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/27598497/-ventricular-contractility-physiology-and-clinical-projection
#13
Raúl J Domenech, Víctor M Parra
The contractile state of the heart is the result of myocardial contractility, the intrinsic mechanism that regulates the force and the shortening of the ventricle and determines the ventricular ejection volume. However, the ejection volume is also modulated by ventricular preload (diastolic ventricular volume) and afterload (resistance to ejection). Accordingly, a decrease in contractility may be masked by changes in preload or afterload, maintaining a normal ejection volume and delaying the diagnosis of myocardial damage...
June 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/27533759/the-current-role-and-future-prospects-of-d-dimer-biomarker
#14
REVIEW
Armaghan Y Soomro, Alejandra Guerchicoff, Dru J Nichols, Javed Suleman, George D Dangas
D-dimers have been discovered as by-products of fibrinolysis. In situations where the fundamental pathology is associated with increased thrombolytic activity, D-dimer assays could serve an integral role in the clinical workup, and have an already established role in the diagnosis of clinical disorders of venous thromboembolism, and disseminated intravascular coagulation. However, there is growing literature suggesting that this is not the only clinical scenario where D-dimers may be of significance. They may also become an important biomarker in coronary and carotid artery atherosclerosis and aortic diseases...
July 2016: European Heart Journal. Cardiovascular Pharmacotherapy
https://www.readbyqxmd.com/read/27496955/access-to-and-clinical-use-of-cardiac-implantable-electronic-devices-and-interventional-electrophysiological-procedures-in-the-european-society-of-cardiology-countries-2016-report-from-the-european-heart-rhythm-association
#15
M J Pekka Raatikainen, David O Arnar, Bela Merkely, A John Camm, Gerhardt Hindricks
AIMS: The aim of this analysis was to provide comprehensive information on the access to and use of cardiac implantable electronic device (CIED) and catheter ablation therapy in the European Society of Cardiology (ESC) area. METHODS AND RESULTS: The European Heart Rhythm Association (EHRA) has been collecting descriptive and quantitative data on invasive arrhythmia therapies since 2008. This year 50 of the 56 ESC member countries provided data for the EHRA White Book...
August 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/27476094/mid-to-long-term-clinical-outcomes-of%C3%A2-patients-treated-with-the-everolimus-eluting-bioresorbable-vascular%C3%A2-scaffold-the-bvs-expand-registry
#16
Cordula M Felix, Jiang Ming Fam, Roberto Diletti, Yuki Ishibashi, Antonios Karanasos, Bert R C Everaert, Nicolas M D A van Mieghem, Joost Daemen, Peter P T de Jaegere, Felix Zijlstra, Evelyn S Regar, Yoshinobu Onuma, Robert-Jan M van Geuns
OBJECTIVES: This study sought to report on clinical outcomes beyond 1 year of the BVS Expand registry. BACKGROUND: Multiple studies have proven feasibility and safety of the Absorb bioresorbable vascular scaffold (BVS) (Abbott Vascular, Santa Clara, California). However, data on medium- to long-term outcomes are limited and available only for simpler lesions. METHODS: This is an investigator-initiated, prospective, single-center, single-arm study evaluating performance of the BVS in a lesion subset representative of daily clinical practice, including calcified lesions, total occlusions, long lesions, and small vessels...
August 22, 2016: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/27429676/estimating-right-atrial-pressure-using-ultrasounds-an-old-issue-revisited-with-new-methods
#17
REVIEW
Renato De Vecchis, Cesare Baldi, Giuseppe Giandomenico, Marco Di Maio, Anna Giasi, Carmela Cioppa
Knowledge of the right atrial pressure (RAP) values is critical to ascertain the existence of a state of hemodynamic congestion, irrespective of the possible presence of signs and symptoms of clinical congestion and cardiac overload that can be lacking in some conditions of concealed or clinically misleading cardiac decompensation. In addition, a more reliable estimate of RAP would make it possible to determine more accurately also the systolic pulmonary arterial pressure with the only echocardiographic methods...
August 2016: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/27413052/european-society-of-cardiology-recommended-coronary-artery-disease-consortium-pretest-probability-scores-more-accurately-predict-obstructive-coronary-disease-and-cardiovascular-events-than-the-diamond-and-forrester-score-the-partners-registry
#18
Marcio Sommer Bittencourt, Edward Hulten, Tamar S Polonsky, Udo Hoffman, Khurram Nasir, Suhny Abbara, Marcelo Di Carli, Ron Blankstein
BACKGROUND: The most appropriate score for evaluating the pretest probability of obstructive coronary artery disease (CAD) is unknown. We sought to compare the Diamond-Forrester (DF) score with the 2 CAD consortium scores recently recommended by the European Society of Cardiology. METHODS: We included 2274 consecutive patients (age, 56±13 years; 57% male) without prior CAD referred for coronary computed tomographic angiography. Computed tomographic angiography findings were used to determine the presence or absence of obstructive CAD (≥50% stenosis)...
July 19, 2016: Circulation
https://www.readbyqxmd.com/read/27353130/st-segment-heart-rate-hysteresis-improves-the-diagnostic-accuracy-of-ecg-stress-test-for-coronary-artery-disease-in-patients-with-left-ventricular-hypertrophy
#19
Marco Zimarino, Elena Montebello, Francesco Radico, Sabina Gallina, Matteo Perfetti, Francesco Iachini Bellisarii, Silva Severi, Ugo Limbruno, Michele Emdin, Raffaele De Caterina
BACKGROUND: The exercise electrocardiographic stress test (ExET) is the most widely used non-invasive diagnostic method to detect coronary artery disease. However, the sole ST depression criteria (ST-max) have poor specificity for coronary artery disease in patients with left ventricular hypertrophy. We hypothesised that ST-segment depression/heart rate hysteresis, depicting the relative behaviour of ST segment depression during the exercise and recovery phase of the test might increase the diagnostic accuracy of ExET for coronary artery disease detection in such patients...
October 2016: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/27255117/-coronary-microvascular-dysfunction-clinical-aspects-diagnosis-and-therapy
#20
P Ong, U Sechtem
Just as in epicardial coronary stenosis, coronary microvascular dysfunction (CMD) also leads to an imbalance of myocardial oxygen supply and demand. The dysfunction is located at the level of the coronary microcirculation with vessel diameters < 500 µm and structural as well as functional alterations have been described. The underlying mechanisms are diverse, frequently overlap and are still incompletely understood. Among others, conditions such as chronic inflammation, estrogen deficiency and a genetic familial predisposition have been reported...
June 2016: Herz
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