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https://www.readbyqxmd.com/read/28643891/direct-comparison-of-high-temporal-resolution-cine-mri-with-doppler-ultrasound-for-assessment-of-diastolic-dysfunction-in-mice
#1
Thomas A Roberts, Anthony N Price, Laurence H Jackson, Valerie Taylor, Anna L David, Mark F Lythgoe, Daniel J Stuckey
Diastolic dysfunction is a sensitive early indicator of heart failure and can provide additional data to conventional measures of systolic function. Transmitral Doppler ultrasound, which measures the one-dimensional flow of blood through the mitral valve, is currently the preferred method for the measurement of diastolic function, but the measurement of the left ventricular volume changes using high-temporal-resolution cinematic magnetic resonance imaging (CINE MRI) is an alternative approach which is emerging as a potentially more robust and user-independent technique...
June 23, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28642994/cardiovascular-magnetic-resonance-imaging-to-assess-myocardial-fibrosis-in-valvular-heart-disease
#2
Tomaz Podlesnikar, Victoria Delgado, Jeroen J Bax
The left ventricular (LV) remodeling process associated with significant valvular heart disease (VHD) is characterized by an increase of myocardial interstitial space with deposition of collagen and loss of myofibers. These changes occur before LV systolic function deteriorates or the patient develops symptoms. Cardiovascular magnetic resonance (CMR) permits assessment of reactive fibrosis, with the use of T1 mapping techniques, and replacement fibrosis, with the use of late gadolinium contrast enhancement...
June 22, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28640782/perioperative-venous-thromboembolism-a-review
#3
Ronald J Gordon, Frederick W Lombard
Venous thromboembolism (VTE) is a significant problem in the perioperative period, increasing patient morbidity, mortality, and health care costs. It is also considered the most preventable of the major postoperative complications. Despite widespread adoption of prophylaxis guidelines, it appears that morbidity from the disease has not substantially changed within the past 2 decades. It is becoming clear that current prophylaxis efforts are not sufficient. Using more potent anticoagulants may decrease the incidence of VTE, but increase the risk for bleeding and infection...
June 20, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28640443/pathophysiology-of-aortic-stenosis-and-mitral-regurgitation
#4
Gianluca L Perrucci, Marco Zanobini, Paola Gripari, Paola Songia, Bayan Alshaikh, Elena Tremoli, Paolo Poggio
The global impact of the spectrum of valve diseases is a crucial, fast-growing, and underrecognized health problem. The most prevalent valve diseases, requiring surgical intervention, are represented by calcific and degenerative processes occurring in heart valves, in particular, aortic and mitral valve. Due to the increasing elderly population, these pathologies will gain weight in the global health burden. The two most common valve diseases are aortic valve stenosis (AVS) and mitral valve regurgitation (MR)...
June 18, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28639223/imaging-of-left-ventricular-hypertrophy-a-practical-utility-for-differential-diagnosis-and-assessment-of-disease-severity
#5
REVIEW
Toru Kubo, Hiroaki Kitaoka
PURPOSE OF REVIEW: Left ventricular hypertrophy (LVH) is often encountered in clinical practice, and it is a risk factor for cardiac mortality and morbidity. Determination of the etiology and disease severity is important for the management of patients with LVH. The aim of this review is to show the remarkable progress in cardiac imaging and its importance in clinical practice. RECENT FINDINGS: This review focuses on clinical features and characteristic cardiac imaging in LVH caused by various diseases including hypertension, aortic valve stenosis, hypertrophic cardiomyopathy, and secondary cardiomyopathies...
August 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28638578/a-rare-case-of-aerococcus-urinae-infective-endocarditis
#6
Harsha Tathireddy, Sahitya Settypalli, John J Farrell
Introduction:Aerococcus urinae is a rare cause of infective endocarditis. Aerococcus is a gram positive cocci that is easily misidentified as Staphylococci or Streptococci. The true incidence rate of this pathogen is likely underestimated. Recent advances in laboratory diagnostic methods with matrix-associated laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF-MS) have lead to increased recognition of this pathogen in the clinical microbiology lab, and awareness as a cause of infective endocarditis in the infectious disease community...
March 2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/28637595/a-one-year-mortality-clinical-prediction-rule-for-patients-with-heart-failure
#7
Antonio Escobar, Lidia García-Pérez, Gemma Navarro, Amaia Bilbao, Raul Quiros
AIMS: To create and validate a clinical prediction rule which is easy to manage, reproducible and that allows classifying patients admitted for heart failure according to their one-year mortality risk. METHODS: A prospective cohort study carried out with 2565 consecutive patients admitted with heart failure in 13 hospitals in Spain. The derivation cohort was made up of 1283 patients and 1282 formed the validation cohort. In the derivation cohort, we carried out a multivariate logistic model to predict one-year mortality...
June 18, 2017: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/28637586/soluble-lr11-associates-with-aortic-root-calcification-in-asymptomatic-treated-male-patients-with-familial-hypercholesterolemia
#8
Ranitha Vongpromek, Sven Bos, Gert-Jan R Ten Kate, Hideaki Bujo, Meizi Jiang, Koen Nieman, Wolfgang Schneider, Jeanine E Roeters van Lennep, Adrie J M Verhoeven, Eric J G Sijbrands, Monique T Mulder
BACKGROUND AND AIMS: Despite statin treatment, a high prevalence of severe vascular calcification is found in patients with familial hypercholesterolemia (FH). We assessed the relation between the circulating soluble form of low-density lipoprotein receptor relative with 11 ligand-binding repeats (sLR11), a risk factor for cardiovascular disease, and vascular calcification in asymptomatic statin-treated heterozygous FH patients. METHODS: In 123 asymptomatic heterozygous FH patients (age 40-69 years), aortic root (ARC), aortic valve (AVC) and coronary artery calcification (CAC) were determined with CT-based calcium scoring expressed in Agatston units...
June 9, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28635190/characteristics-of-structured-physical-training-currently-provided-in-cardiac-patients-insights-from-the-exercise-training-in-cardiac-rehabilitation-etcr-italian-survey
#9
Marco Ambrosetti, Patrick Doherty, Pompilio Faggiano, Ugo Corrà, Carlo Vigorito, Dominique Hansen, Patrizio Sarto, Ana Abreu, Roberto F E Pedretti
BACKGROUND:   Uncertainty exists about current delivery levels of exercise training (ET) during Cardiac Rehabilitation (CR) programmes. AIM OF THE STUDY: To evaluate ET modalities in the real world of CR facilities in Italy. METHODS: This was an observational survey of aggregate data, collected from CR facilities on a voluntary basis. Snapshots of a single working day at a local site were made, in terms of characteristics of patients and ET programmes delivered...
May 18, 2017: Monaldi Archives for Chest Disease, Archivio Monaldi Per le Malattie del Torace
https://www.readbyqxmd.com/read/28634703/isoperistaltic-versus-antiperistaltic-side-to-side-anastomosis-after-right-laparoscopic-hemicolectomy-for-cancer-isovanti-trial-study-protocol-for-a-randomised-clinical-trial
#10
N Ibañez, J Abrisqueta, J Luján, Q Hernández, P Parrilla
BACKGROUND: It is believed that loosing ileocecal valve is well tolerated in patients who do not have short bowel syndrome or Crohn disease. From the hypothesis of colonic peristalsis and transit is regulated by that ileocecal valvular mechanism, we try to find out if the creation of a new pseudo-valvular mechanism as antiperistaltic anastomosis could be considered after right hemicolectomy can cause any short- or long-term changes in gastrointestinal habits. PURPOSE: The purpose of the study at primary endpoint is to compare early (occurring within 30 days of surgery) and late (occurring during the follow-up) postoperative complications between both groups The purpose of the study at secondary endpoint is to compare intraoperative and postoperative events between experimental and control groups in terms of operating time, first oral tolerance day, first flatus and faeces, length of hospital stay and orocecal transit; comparing rates of gastrointestinal life quality and comparing mortality rates between both groups...
June 21, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28634535/effectiveness-and-safety-of-daptomycin-in-patients-with-infective-endocarditis-undergoing-heart-valve-replacement-a-subgroup-analysis-from-real-world-data
#11
Achyut Guleri, Riccardo Utili, Pascal Dohmen, Kamal Hamed
BACKGROUND: European Cubicin(®) Outcomes Registry and Experience (EU-CORE) was a retrospective, non-interventional, multicenter registry that collected real-world clinical outcomes following daptomycin use for the treatment of Gram-positive infections. EU-CORE data from patients with infective endocarditis (IE) who underwent heart valve replacement were analysed. METHODS: Clinical outcomes were assessed as success (cured or improved), failure, or non-evaluable...
March 2017: Therapeutic Advances in Infectious Disease
https://www.readbyqxmd.com/read/28634521/a-review-of-echocardiograms-in-hypertensive-patients-greater-than-60-years-in-a-community-based-family-medicine-program
#12
Shideh Doroudi, Michael D DeLisi, Vincent A DeBari
Background: Heart disease as a result of Hypertension is known to occur. Anatomical and functional changes of the heart can easily be detected by echocardiography, which is a safe and readily available study. Objectives: The aims of this study were to evaluate the prevalence of common echocardiographic changes in chronic hypertensive patients and to compare these changes in male and female populations. Design/methods: The study was a community-based cross-sectional study, on 227 hypertensive patients, 60 years and older, seen in St...
January 2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/28633260/total-chordal-sparing-mitral-valve-replacement-in-rheumatic-disease-a-word-of-caution
#13
Samuel M Kessel, Robert B Hawkins, Leora T Yarboro, Gorav Ailawadi
Total chordal preservation is the standard for mitral valve replacement to maintain long-term left ventricular geometry. Whereas it is appropriate for functional and degenerative mitral regurgitation, the role of chordal sparing in rheumatic valve disease is less well understood, with limited evidence supporting total chordal sparing. Inasmuch as this autoimmune disease affects the subvalvular apparatus in addition to the leaflets, it can be expected to continue after surgical repair. Here we present 2 patients who experienced adverse events associated with total chordal sparing mitral replacement as a result of disease progression with rapid fibrous growth causing inflow obstruction and early prosthetic valve failure...
July 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28633253/transforming-growth-factor-beta-2-mutations-in-barlow-s-disease-and-aortic-dilatation
#14
Kushtrim Disha, Solveig Schulz, Thomas Kuntze, Evaldas Girdauskas
We report on a patient operated on for degenerative myxomatous mitral and tricuspid valve disease (Barlow's disease) and aortic root dilatation. A valve repair operation and the postoperative course were uneventful. Multigenerational genetic analyses revealed two different mutations in the transforming growth factor beta-2 gene in the same patient. The two mutations in different exons were inherited from both parents each. None of the parents presented with either valve dysfunction or aortic root dilatation...
July 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28633210/value-of-surgery-for-infective-endocarditis-in-dialysis-patients
#15
Sajjad Raza, Syed T Hussain, Jeevanantham Rajeswaran, Asif Ansari, Matteo Trezzi, Amr Arafat, James Witten, Kirthi Ravichandren, Haris Riaz, Hoda Javadikasgari, Sunil Panwar, Sevag Demirjian, Nabin K Shrestha, Thomas G Fraser, José L Navia, Bruce W Lytle, Eugene H Blackstone, Gösta B Pettersson
OBJECTIVES: To determine the value of surgery for infective endocarditis (IE) in patients on hemodialysis by comparing the nature and invasiveness of endocarditis in hemodialysis and nonhemodialysis patients and their hospital and long-term outcomes, and identifying risk factors for time-related mortality after surgery. METHODS: From January 1997 to January 2013, 144 patients on chronic hemodialysis and 1233 nonhemodialysis patients underwent valve surgery for IE at our institution...
July 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28631699/-lower-extremity-venous-diseases-in-primary-knee-osteoarthritis
#16
O M Lesnyak, E V Zubareva, M G Goncharova, D M Maksimov
AIM: To establish a possible association between knee osteoarthritis (OA) and lower extremity venous diseases ((LEVDs) on the basis of thorough clinical and instrumental studies. SUBJECTS AND METHODS: A case-control study recruiting 40-60-year-old women was conducted. A study group included 85 women with knee OA; a control group consisted of 50 women without this condition. The patients of both groups underwent assessment of complaints and goal-directed objective examination to identify joint diseases and chronic LEVDs, knee X-ray study, and duplex scanning of the lower extremity veins...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28631145/biaxial-mechanical-properties-of-bovine-jugular-venous-valve-leaflet-tissues
#17
Hsiao-Ying Shadow Huang, Jiaqi Lu
Venous valve incompetence has been implicated in diseases ranging from chronic venous insufficiency (CVI) to intracranial venous hypertension. However, while the mechanical properties of venous valve leaflet tissues are central to CVI biomechanics and mechanobiology, neither stress-strain curves nor tangent moduli have been reported. Here, equibiaxial tensile mechanical tests were conducted to assess the tangent modulus, strength and anisotropy of venous valve leaflet tissues from bovine jugular veins. Valvular tissues were stretched to 60% strain in both the circumferential and radial directions, and leaflet tissue stress-strain curves were generated for proximal and distal valves (i...
June 19, 2017: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/28631106/transthoracic-3d-echocardiographic-left-heart-chamber-quantification-in-patients-with-bicuspid-aortic-valve-disease
#18
Allard T van den Hoven, Jackie S Mc-Ghie, Raluca G Chelu, Anthonie L Duijnhouwer, Vivan J M Baggen, Adriaan Coenen, Wim B Vletter, Marcel L Dijkshoorn, Annemien E van den Bosch, Jolien W Roos-Hesselink
Integration of volumetric heart chamber quantification by 3D echocardiography into clinical practice has been hampered by several factors which a new fully automated algorithm (Left Heart Model, (LHM)) may help overcome. This study therefore aims to evaluate the feasibility and accuracy of the LHM software in quantifying left atrial and left ventricular volumes and left ventricular ejection fraction in a cohort of patients with a bicuspid aortic valve. Patients with a bicuspid aortic valve were prospectively included...
June 19, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28629781/position-paper-for-the-evaluation-and-management-of-oral-status-in-patients-with-valvular-disease-groupe-de-travail-valvulopathies-de-la-soci%C3%A3-t%C3%A3-fran%C3%A3-aise-de-cardiologie-soci%C3%A3-t%C3%A3-fran%C3%A3-aise-de-chirurgie-orale-soci%C3%A3-t%C3%A3-fran%C3%A3-aise-de-parodontologie-et-d-implantologie
#19
REVIEW
Sarah Millot, Philippe Lesclous, Marie-Laure Colombier, Loredana Radoi, Clément Messeca, Mathieu Ballanger, Jean-Luc Charrier, Philippe Tramba, Stéphane Simon, Alain Berrebi, Fabien Doguet, Emmanuel Lansac, Christophe Tribouilloy, Gilbert Habib, Xavier Duval, Bernard Iung
Oral health is of particular importance in patients with heart valve diseases because of the risk of infective endocarditis. Recommendations for antibiotic prophylaxis before dental procedures have been restricted, but the modalities of oral evaluation and dental care are not detailed in guidelines. Therefore, a multidisciplinary working group reviewed the literature to propose detailed approaches for the evaluation and management of buccodental status in patients with valvular disease. Simple questions asked by a non-dental specialist may draw attention to buccodental diseases...
June 16, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28629255/hemophagocytic-lymphohistiocytosis-associated-to-haemophilus-parainfluenzae-endocarditis-a-case-report
#20
D I Costescu Strachinaru, M Chaumont, D Gobin, L Sattar, M Strachinaru, E Karakike, A Roman, D Konopnicki
BACKGROUND: Hemophagocytic lymphohistiocytosis (HLH) is a rare but severe and potentially fatal syndrome that is characterized by increased proliferation and activation of benign macrophages with hemophagocytosis throughout the reticuloendothelial system. This syndrome is classified as primary (genetic) or secondary when acquired in the context of infections (usually viral), malignancies, rheumatologic and metabolic diseases. CASE SUMMARY: We report a case of HLH complicating a Haemophilus parainfluenzae mitral valve endocarditis and resolving under antibiotic and surgical treatment alone...
June 19, 2017: Acta Clinica Belgica
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