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Cardiac insufficiency

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https://www.readbyqxmd.com/read/29326113/acute-heart-failure-with-new-onset-continuous-murmur-in-a-26-year-old-man
#1
Yi-Chen Wang, Chen-Wei Huang, Ting-Wei Lin
CLINICAL INTRODUCTION: A 26-year-old man with an unremarkable medical history sensed a momentary retrosternal 'pop' followed by overwhelming dyspnoea, without reporting any prodromal symptoms. At the emergency department, he had a significant tachycardia (170 bpm) and an extreme low diastolic blood pressure (<30 mm Hg). A loud, harsh and continuous murmur could be maximally auscultated at the right lower sternal border. ECG revealed global ST depression with ST elevation in lead aVR...
January 11, 2018: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29324309/the-promising-future-of-ventricular-restraint-therapy-for-the-management-of-end-stage-heart-failure
#2
REVIEW
Muhammad Naveed, Imran Shair Mohammad, Li Xue, Sara Khan, Wang Gang, Yanfang Cao, Yijie Cheng, Xingxing Cui, Chen DingDing, Yu Feng, Wang Zhijie, Zhou Xiaohui
Complicated pathophysiological syndrome associated with irregular functioning of the heart leading to insufficient blood supply to the organs is linked to congestive heart failure (CHF) which is the leading cause of death in developed countries. Numerous factors can add to heart failure (HF) pathogenesis, including myocardial infarction (MI), genetic factors, coronary artery disease (CAD), ischemia or hypertension. Presently, most of the therapies against CHF cause modest symptom relief but incapable of giving significant recovery for long-term survival outcomes...
January 8, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29323723/haplo-insufficiency-of-bcl2-associated-athanogene-3-in-mice-results-in-progressive-left-ventricular-dysfunction-%C3%AE-adrenergic-insensitivity-and-increased-apoptosis
#3
Valerie D Myers, Dhanendra Tomar, Muniswamy Madesh, JuFang Wang, Jianliang Song, Xue-Qian Zhang, Manish K Gupta, Farzaneh G Tahrir, Jennifer Gordon, Joseph M McClung, Christopher D Kontos, Kamel Khalili, Joseph Y Cheung, Arthur M Feldman
Bcl2-associated athanogene 3 (BAG3) is a 575 amino acid protein that is found predominantly in the heart, skeletal muscle and many cancers. Deletions and truncations in BAG3 that result in haplo-insufficiency have been associated with the development of dilated cardiomyopathy. To study the cellular and molecular events attributable to BAG3 haplo-insufficiency we generated a mouse in which one allele of BAG3 was flanked by loxP recombination sites (BAG3fl/+ ). Mice were crossed with α-MHC-Cre mice in order to generate mice with cardiac-specific haplo-insufficiency (cBAG3+/-) and underwent bi-weekly echocardiography to assess their cardiac phenotype...
January 11, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29321434/tricuspid-and-mitral-valve-regurgitation-with-bi-fascicular-block-following-a-horse-kick
#4
Tomoki Kokubun, Masayoshi Oikawa, Yasuhiro Ichijo, Yoshiyuki Matsumoto, Tetsuro Yokokawa, Kazuhiko Nakazato, Yoshiyuki Sato, Shinya Takase, Hiroharu Shinjo, Hitoshi Yokoyama, Hitoshi Suzuki, Shu-Ichi Saitoh, Yasuchika Takeishi
A 40-year-old man was transferred to our hospital following an isolated horse kick injury to the anterior chest wall. The case showed bi-fascicular block, severe tricuspid valve regurgitation due to ruptured chordae tendineae of the anterior leaflet, moderate mitral valve regurgitation due to prolapse of mitral anterior leaflet, and hypokinetic motion of the inferior septal wall. Both tricuspid and mitral insufficiency were completely repaired by a surgical operation. Fortunately, these injuries were not fatal in this case, but the comprehensive assessment of cardiac damage and careful observation are important for managing patients with cardiac injury...
January 11, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29321193/cardiac-implantable-electronic-device-infections-and-lead-extraction-are-patients-with-renal-insufficiency-special
#5
EDITORIAL
Jonathan Chrispin, Charles J Love
No abstract text is available yet for this article.
January 2018: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/29321066/perioperative-management-of-antiplatelet-therapy-in-patients-undergoing-non-cardiac-surgery-following-coronary-stent-placement-a-systematic-review
#6
Christopher P Childers, Melinda Maggard-Gibbons, Jesus G Ulloa, Ian T MacQueen, Isomi M Miake-Lye, Roberta Shanman, Selene Mak, Jessica M Beroes, Paul G Shekelle
BACKGROUND: The correct perioperative management of antiplatelet therapy (APT) in patients undergoing non-cardiac surgery (NCS) is often debated by clinicians. American College of Cardiology (ACC) and American Heart Association (AHA) guidelines recommend postponing elective NCS at least 3 months after stent implantation. Regardless of the timing of surgery, ACC/AHA guidelines recommend continuing at least ASA throughout the perioperative period and ideally continuing dual APT (DAPT) therapy "unless surgery demands discontinuation...
January 10, 2018: Systematic Reviews
https://www.readbyqxmd.com/read/29319778/granulomatous-intersticial-nephritis-secondary-to-sarcoidosis
#7
Tamires Teixeira Piraciaba, Carlos Alberto Balda, Luiz Antônio Ribeiro de Moura, Carlos Alberto de Castro Pereira, Gianna Mastroianni Kirsztajn
INTRODUCTION: Granulomatous interstitial nephritis is a rare condition, in which renal involvement is uncommon. Its etiology is variable, and may be medicinal, infectious or inflammatory origin. CASE REPORT: This is a 65-year-old male patient with renal lesions of unknown etiology, associated with hypercalcaemia. During the investigation, cardiac insufficiency with diastolic dysfunction and interstitial lung involvement on chest tomography were evidenced. Renal function (glomerular filtration rate) has partially improved with clinical measures...
October 2017: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29317455/improving-temporal-trends-in-survival-and-neurological-outcomes-after-out-of-hospital-cardiac-arrest
#8
Jason E Buick, Ian R Drennan, Damon C Scales, Steven C Brooks, Adams Byers, Sheldon Cheskes, Katie N Dainty, Michael Feldman, P Richard Verbeek, Cathy Zhan, Alex Kiss, Laurie J Morrison, Steve Lin
BACKGROUND: Considerable effort has gone into improving outcomes from out-of-hospital cardiac arrest (OHCA). Studies suggest that survival is improving; however, prior studies had insufficient data to pursue the relationship between markers of guideline compliance and temporal trends. The objective of the study was to evaluate trends in OHCA survival over an 8-year period that included the implementation of the 2005 and 2010 international cardiopulmonary resuscitation (CPR) guidelines...
January 2018: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/29317402/skeletal-muscle-compensation-for-cardiac-muscle-insufficiency-in-heart-failure-and-reduced-ejection-fraction
#9
Yogesh N V Reddy, Masaru Obokata, Mark J Haykowsky, Barry A Borlaug
No abstract text is available yet for this article.
January 2018: Circulation. Heart Failure
https://www.readbyqxmd.com/read/29316444/force-generation-via-%C3%AE-cardiac-myosin-titin-and-%C3%AE-actinin-drives-cardiac-sarcomere-assembly-from-cell-matrix-adhesions
#10
Anant Chopra, Matthew L Kutys, Kehan Zhang, William J Polacheck, Calvin C Sheng, Rebeccah J Luu, Jeroen Eyckmans, J Travis Hinson, Jonathan G Seidman, Christine E Seidman, Christopher S Chen
Truncating mutations in the sarcomere protein titin cause dilated cardiomyopathy due to sarcomere insufficiency. However, it remains mechanistically unclear how these mutations decrease sarcomere content in cardiomyocytes. Utilizing human induced pluripotent stem cell-derived cardiomyocytes, CRISPR/Cas9, and live microscopy, we characterize the fundamental mechanisms of human cardiac sarcomere formation. We observe that sarcomerogenesis initiates at protocostameres, sites of cell-extracellular matrix adhesion, where nucleation and centripetal assembly of α-actinin-2-containing fibers provide a template for the fusion of Z-disk precursors, Z bodies, and subsequent striation...
January 8, 2018: Developmental Cell
https://www.readbyqxmd.com/read/29310997/neurohormonal-imbalance-a-neglected-problem-and-potential-therapeutic-target-in-acute-heart-failure
#11
Steven R Goldsmith, Bradley A Bart, Ileana L Piña
Decompensated or acute heart failure (AHF) is characterized by increased ventricular and atrial pressures which may lead to and be caused by circulatory congestion. Unless due to a primary decrease in cardiac function, congestion arises from volume expansion or vasoconstriction. In turn, volume expansion and vasoconstriction are due to neurohormonal imbalance since both result from activation of the sympathetic nervous system, the renin-angiotensin-aldosterone axis and excess secretion of arginine vasopressin...
December 16, 2017: Current Problems in Cardiology
https://www.readbyqxmd.com/read/29300970/patients-knowledge-and-attitudes-regarding-living-with-implantable-electronic-devices-results-of-a-multicentre-multinational-patient-survey-conducted-by-the-european-heart-rhythm-association
#12
Kristina Hermann Haugaa, Tatjana S Potpara, Serge Boveda, Jean-Calude Deharo, Jian Chen, Dan Dobreanu, Stefano Fumagalli, Radoslaw Lenarczyk, Antonio Hernandez Madrid, Torben Bjerregaard Larsen, Elena Sciarrafia, Milos Taborsky, Roland Richard Tilz, Paolo Pieragnoli, Andrzej Przybylski, Nikolaos Dagres
The purpose of this patient survey was to analyse the knowledge, experiences, and attitudes regarding cardiac implantable electronic devices (CIED) in patients with pacemakers, implantable cardioverter-defibrillators (ICDs), or cardiac resynchronization devices. Of the 1644 patients with CIEDs from seven European countries, 88% were over 50 years of age. Most patients (90%) knew what device they were implanted with and felt sufficiently informed about the indications for therapy. As many as 42% of patients needed additional information on the battery replacement and limitations in physical activity...
December 28, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29287838/diabetes-and-complications-of-the-heart-in-sub-saharan-africa-an-urgent-need-for-improved-awareness-diagnostics-and-management
#13
REVIEW
Nadezhda Glezeva, Master Chisale, Kenneth McDonald, Mark Ledwidge, Joe Gallagher, Chris J Watson
Type 2 diabetes mellitus is no longer a disease of high income countries but a global health pandemic. With the continued and rapid increase in its prevalence worldwide it is forecasted that diabetes will be a leading cause of morbidity and mortality. A major concern stems from its role in development and progression of cardiovascular disease, including cardiac dysfunction and heart failure. Within low- and middle-income areas such as Sub-Saharan Africa the burden of diabetes is already significant driven by many factors, including, socioeconomic (urbanisation), nutritional (high-calorie "western-diet", obesity) and lifestyle (physical inactivity) changes...
December 26, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29280926/critical-illness-related-corticosteroid-insufficiency-in-cardiogenic-shock-patients-prevalence-and-prognostic-role
#14
Nicolas Ducrocq, Pascal Biferi, Nicolas Girerd, Ichraq Latar, Simon Lemoine, Pierre Perez, Carine Thivilier, Bruno Levy, Antoine Kimmoun
BACKGROUND: Cardiogenic shock shares with septic shock common hemodynamic features, inflammatory patterns and most likely similar complications such as critical illness-related corticosteroid insufficiency. The aim of this study was to evaluate the prevalence of critical illness-related corticosteroid insufficiency in cardiogenic shock patients and to secondarily assess its prognostic value on 90-day mortality. METHODS: A single-centre prospective observational study conducted over a three-year period and including all patients with cardiogenic shock...
December 26, 2017: Shock
https://www.readbyqxmd.com/read/29276625/epicardial-delivery-of-autologous-atrial-appendage-micrografts-during-coronary-artery-bypass-surgery-safety-and-feasibility-study
#15
Annu Nummi, Tuomo Nieminen, Tommi Pätilä, Milla Lampinen, Miia L Lehtinen, Sari Kivistö, Miia Holmström, Erika Wilkman, Kari Teittinen, Mika Laine, Juha Sinisalo, Markku Kupari, Esko Kankuri, Tatu Juvonen, Antti Vento, Raili Suojaranta, Ari Harjula
Background: The atrial appendages are a tissue reservoir for cardiac stem cells. During on-pump coronary artery bypass graft (CABG) surgery, part of the right atrial appendage can be excised upon insertion of the right atrial cannula of the heart-lung machine. In the operating room, the removed tissue can be easily cut into micrografts for transplantation. This trial aims to assess the safety and feasibility of epicardial transplantation of atrial appendage micrografts in patients undergoing CABG surgery...
2017: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/29275952/late-onset-of-atrial-fibrillation-in-patients-undergoing-mitral-valve-repair-for-type-ii-dysfunction
#16
Naonori Kawamoto, Tomoyuki Fujita, Satsuki Fukushima, Yusuke Shimahara, Yuta Kume, Yorihiko Matsumoto, Kizuku Yamashita, Junjiro Kobayashi
BACKGROUND: There are few reports regarding factors related to late-onset of atrial fibrillation (Af) after mitral valve repair, which can compromise long-term outcome. We analyzed the risk factors for late Af after mitral valve repair. METHODS AND RESULTS: Between 2001 and 2015, 318 patients (214 males; median, 57.7 years) underwent mitral valve repair for degenerative mitral insufficiency (MI) without concomitant aortic valve disease in our institute. Patients with a history of paroxysmal or chronic Af preoperatively were excluded...
December 21, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/29262434/future-directions-for-hypothermia-following-severe-traumatic-brian-injury
#17
Annie W Chiu, Holly E Hinson
Traumatic brain injury (TBI) is a serious health care problem on both individual and public health levels. As a major cause of death and disability in the United States, it is associated with a significant economic and public health burden. Although the evidence to support the use of induced hypothermia on neurologic outcome after cardiac arrest is well established, its use in treating TBI remains controversial. Hypothermia has the potential to mitigate some of the destructive processes that occur as part of secondary brain injury after TBI...
December 2017: Seminars in Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29258677/sixteen-year-experience-of-david-and-bentall-procedures-in-acute-type-a-aortic-dissection
#18
Bo Yang, Himanshu J Patel, Claire Sorek, Whitney E Hornsby, Xiaoting Wu, Sarah Ward, Marc Thomas, Anisa Driscoll, Victoria A Waidley, Elizabeth L Norton, Donald S Likosky, G Michael Deeb
BACKGROUND: To examine short-term and midterm outcomes after the David and Bentall procedures in patients with an acute type A aortic dissection. METHODS: Between 2001 and 2017, patients (n = 135) with acute type A aortic dissection underwent an aortic root replacement with either the David (n = 40) or Bentall (n = 95) procedure. Perioperative outcome, reoperation rate, aortic valve function, and long-term survival were evaluated. RESULTS: The median age of the entire cohort was 56 years...
December 16, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29246514/atrial-enlargement-in-the-athlete-s-heart-assessment-of-atrial-function-may-help-distinguish-adaptive-from-pathologic-remodeling
#19
REVIEW
Flavio D'Ascenzi, Francesca Anselmi, Marta Focardi, Sergio Mondillo
Intensive training is associated with hemodynamic changes that typically induce an enlargement of cardiac chambers, involving not only the ventricles but also the atria. The hearts of competitive athletes are characterized by increases in left and right atrial dimensions that have been interpreted as a physiologic adaptation to training. Conversely, some authors have hypothesized maladaptive remodeling; furthermore, the extent of left atrial dimensional remodeling may overlap atrial dilation observed in patients with cardiac disease, representing a challenge for clinicians...
December 12, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/29242982/-iron-a-miralcle-cure-for-chronic-cardiac-insufficiency
#20
REVIEW
Katrin Singler
Anemia and chronic heart failure are frequent comorbidities in geriatric patients. In approximately one third of older adults the cause of the anemia is an iron, vitamin B12 and/or folate deficiency and in another third a chronic inflammatory process is present. In the case of iron deficiency a differentiation must be made between the absolute and functional forms. Although in functional iron deficiency ferritin, as a parameter of iron metabolism, is within the normal range or can even be higher, an iron-deficient erythropoiesis is present...
December 14, 2017: Zeitschrift Für Gerontologie und Geriatrie
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