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https://www.readbyqxmd.com/read/29769259/novel-therapeutics-for-hemophilia-and-other-bleeding-disorders
#1
Michael U Callaghan, Robert Sidonio, Steven W Pipe
Hemophilia and von Willebrand disease are the most common congenital bleeding disorders. Treatment for these disorders has focused on replacement of the missing coagulation factor to prevent or treat bleeding. New technologies and insights into hemostasis have driven the development of many promising new therapies for hemophilia and von Willebrand disease. Emerging bypass agents including zymogen-like factor IXa and Xa molecules are in development and a bispecific antibody, emicizumab, demonstrated efficacy in a phase III trial in people with hemophilia A and inhibitors...
May 16, 2018: Blood
https://www.readbyqxmd.com/read/29766305/evaluation-of-vte-prophylaxis-and-the-impact-of-alternate-regimens-on-post-operative-bleeding-and-thrombotic-complications-following-bariatric-procedures
#2
Maria S Altieri, Jie Yang, Janos Hajagos, Konstantinos Spaniolas, Jihye Park, Antonios P Gasparis, Andrew T Bates, Salvatore Docimo, Mark Talamini, A Laurie Shroyer, Aurora D Pryor
BACKGROUND: Studies examining utilization and impact of venous thromboembolism (VTE) chemoprophylaxis for patients undergoing bariatric surgery are limited. Determination of the optimal prophylactic regimen to minimize complications is crucial. METHODS: The Cerner Health Facts database from 2003 to 2013 was queried using ICD-9 codes to identify patients undergoing laparoscopic sleeve gastrectomy (LSG) and Roux-en-Y gastric bypass (RYGB). VTE chemoprophylaxis regimens were divided into pre-operative alone (PreP), post-operative alone (PostP), both pre-operative and post-operative (PPP), or no prophylaxis (NP)...
May 15, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29765372/is-iqg-607-a-potential-metallodrug-or-metallopro-drug-with-a-defined-molecular-target-in-mycobacterium-tuberculosis
#3
REVIEW
Bruno L Abbadi, Valnês da Silva Rodrigues-Junior, Adilio da Silva Dadda, Kenia Pissinate, Anne D Villela, Maria M Campos, Luiz G de França Lopes, Cristiano V Bizarro, Pablo Machado, Eduardo H S Sousa, Luiz A Basso
The emergence of strains of Mycobacterium tuberculosis resistant to isoniazid (INH) has underscored the need for the development of new anti-tuberculosis agents. INH is activated by the mycobacterial katG -encoded catalase-peroxidase, forming an acylpyridine fragment that is covalently attached to the C4 of NADH. This isonicotinyl-NAD adduct inhibits the activity of 2- trans -enoyl-ACP(CoA) reductase (InhA), which plays a role in mycolic acid biosynthesis. A metal-based INH analog, Na3 [FeII (CN)5 (INH)]·4H2 O, IQG-607, was designed to have an electronic redistribution on INH moiety that would lead to an intramolecular electron transfer to bypass KatG activation...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29762314/effectiveness-of-dexmedetomidine-versus-propofol-on-extubation-times-length-of-stay-and-mortality-rates-in-adult-cardiac-surgery-patients-a-systematic-review-and-meta-analysis
#4
John Nguyen, Noel Nacpil
OBJECTIVE: To determine the effects of dexmedetomidine versus propofol on extubation time, intensive care unit (ICU) length of stay, total hospital length of stay and in-hospital mortality rates in cardiac surgery patients. INTRODUCTION: Recovery from cardiovascular surgery involves weaning from mechanical ventilation. Mechanical ventilation decreases the work of breathing for patients by inhaling oxygen and exhaling carbon dioxide via a ventilator or breathing machine...
May 2018: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/29761681/milestones-in-the-development-of-fetal-cardiac-interventions
#5
REVIEW
Edward G Abinader
Cardiac patients of all ages were managed in the past by internists who specialized in cardiology. During the past 50 years, the medical field has witnessed great strides in the management of congenital heart disease, and thus pediatric cardiology has become a subspecialty in many countries. This review article focuses on the advances in fetal cardiac interventions (FCI) since its inception by our group in 1975. Three major modes of FCI have evolved during the past 42 years: pharmacologic, closed FCI, and open FCI...
May 2018: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/29753395/quantitative-extent-of-atherosclerotic-plaque-in-the-major-epicardial-coronary-arteries-in-patients-with-fatal-coronary-heart-disease-in-coronary-endarterectomy-specimens-in-aorta-coronary-saphenous-venous-conduits-and-means-to-prevent-the-plaques-a-review
#6
William C Roberts
This review tries to answer the following 15 questions: Is atherosclerosis a systemic or a regional disease? Is atherosclerosis in any particular region focal or diffuse? What is the quantity of atherosclerotic plaques in endarterectomy specimens of the right coronary artery in patients undergoing coronary artery bypass grafting (CABG) compared to that in the right coronary artery in patients with fatal coronary artery disease? How do the units used for measuring arterial narrowing by angiography compare to the units used for measuring arterial narrowing at necropsy? What do atherosclerotic plaques consist of in coronary arteries in patients with fatal coronary disease? What is the quantity of atherosclerotic plaque in bypassed -vs- non-bypassed native coronary arteries in patients dying early (<60 days) or late (>60 days) after coronary artery bypass grafting? What is the frequency of acute coronary lesions and multi-luminal channels at necropsy in patients with unstable angina pectoris, sudden coronary death, and acute myocardial infarction? What is the mechanism of luminal widening by angioplasty in the coronary arteries? What observations suggest that atherosclerotic plaques are the result at least in part of organization of thrombi? Is atherosclerosis a multifactoral or a unifactoral disease? What characteristics distinguish carnivores and herbivores? What are reasonable guidelines for whom to treat with lipid-altering agents? What is the rule of 5 and the rule of 7 in statin therapy? What is the effect of lipid lowering drug therapy on coronary luminal narrowing? What are some requisites for a healthy life?...
March 27, 2018: American Journal of Cardiology
https://www.readbyqxmd.com/read/29747859/comparison-of-long-term-mortality-in-patients-with-previous-coronary-artery-bypass-grafting-who-underwent-percutaneous-coronary-intervention-with-versus-without-optimal-medical-therapy
#7
Yuichi Nakamura, Yasuhide Asaumi, Tadayoshi Miyagi, Michikazu Nakai, Kunihiro Nishimura, Hiroki Sugane, Hideo Matama, Yu Kataoka, Yoshihiro Miyamoto, Yasuchika Takeishi, Teruo Noguchi, Satoshi Yasuda
Although current guidelines have highlighted the importance of evidence-based optimal medical therapy (OMT) in patients with previous coronary artery bypass grafting (CABG), the effect of OMT on post-CABG patients requiring secondary coronary revascularization on prognosis remains unknown. We sought to examine the impact of OMT on post-CABG patients who underwent percutaneous coronary intervention (PCI) as secondary revascularization. A total of 632 consecutive post-CABG patients who underwent PCI between 2001 and 2013 at our hospital (84% men, median age 71 years) were divided into 2 groups: patients who were discharged with OMT and patients who were discharged without OMT (non-OMT)...
April 12, 2018: American Journal of Cardiology
https://www.readbyqxmd.com/read/29746288/bypassing-agents-for-bleeding-prophylaxis-in-hemophilia-b-a-clinical-conundrum
#8
Akshay M Khatri, George Jolly, Arun Kumar
No abstract text is available yet for this article.
May 1, 2018: American Journal of Therapeutics
https://www.readbyqxmd.com/read/29740333/flavonoids-in-kidney-health-and-disease
#9
REVIEW
Félix Vargas, Paola Romecín, Ana I García-Guillén, Rosemary Wangesteen, Pablo Vargas-Tendero, M Dolores Paredes, Noemí M Atucha, Joaquín García-Estañ
This review summarizes the latest advances in knowledge on the effects of flavonoids on renal function in health and disease. Flavonoids have antihypertensive, antidiabetic, and antiinflammatory effects, among other therapeutic activities. Many of them also exert renoprotective actions that may be of interest in diseases such as glomerulonephritis, diabetic nephropathy, and chemically-induced kidney insufficiency. They affect several renal factors that promote diuresis and natriuresis, which may contribute to their well-known antihypertensive effect...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29731169/identification-of-near-pan-neutralizing-antibodies-against-hiv-1-by-deconvolution-of-plasma-humoral-responses
#10
Mohammad Mohseni Sajadi, Amir Dashti, Zahra Rikhtegaran Tehrani, William D Tolbert, Michael S Seaman, Xin Ouyang, Neelakshi Gohain, Marzena Pazgier, Dongkyoon Kim, Guy Cavet, Jean Yared, Robert R Redfield, George K Lewis, Anthony L DeVico
Anti-HIV-1 envelope broadly neutralizing monoclonal antibodies (bNAbs) isolated from memory B cells may not fully represent HIV-1-neutralizing profiles measured in plasma. Accordingly, we characterized near-pan-neutralizing antibodies extracted directly from the plasma of two "elite neutralizers." Circulating anti-gp120 polyclonal antibodies were deconvoluted using proteomics to guide lineage analysis of bone marrow plasma cells. In both subjects, a single lineage of anti-CD4-binding site (CD4bs) antibodies explained the plasma-neutralizing activity...
April 28, 2018: Cell
https://www.readbyqxmd.com/read/29731024/the-potential-effects-of-new-stent-platforms-for-coronary-revascularization-in-patients-with-diabetes
#11
REVIEW
Gustavo S Guandalini, Sripal Bangalore
Coronary artery disease in patients with diabetes mellitus (DM) is characterized by extensive atherosclerosis, longer lesions, and diffuse distal disease. Consequently, these patients have worse outcomes after coronary revascularization, regardless of the modality used. Traditionally, coronary artery bypass grafting (CABG) has been regarded as more effective than percutaneous coronary intervention (PCI) in patients with DM, likely because of more complete revascularization and protection against disease progression in the bypass segment...
May 2018: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/29730991/feasibility-of-cardiovascular-magnetic-resonance-to-detect-oxygenation-deficits-in-patients-with-multi-vessel-coronary-artery-disease-triggered-by-breathing-maneuvers
#12
Kady Fischer, Kyohei Yamaji, Silvia Luescher, Yasushi Ueki, Bernd Jung, Hendrik von Tengg-Kobligk, Stephan Windecker, Matthias G Friedrich, Balthasar Eberle, Dominik P Guensch
BACKGROUND: Hyperventilation with a subsequent breath-hold has been successfully used as a non-pharmacological vasoactive stimulus to induce changes in myocardial oxygenation. The purpose of this pilot study was to assess if this maneuver is feasible in patients with multi-vessel coronary artery disease (CAD), and if it is effective at detecting coronary artery stenosis > 50% determined by quantitative coronary angiography (QCA). METHODS: Twenty-six patients with coronary artery stenosis (QCA > 50% diameter stenosis) underwent a contrast-free cardiovascular magnetic resonance (CMR) exam in the time interval between their primary coronary angiography and a subsequent percutaneous coronary intervention (PCI, n = 24) or coronary artery bypass (CABG, n = 2) revascularization procedure...
May 7, 2018: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/29723892/treatment-regimens-with-bypassing-agents-in-patients-with-hemophilia-a-and-inhibitors-a-survey-from-the-italian-association-of-hemophilia-centers-aice
#13
Antonio Coppola, Massimo Franchini, Giancarlo Castaman, Elena Santagostino, Cristina Santoro, Rita Carlotta Santoro, Massimo Morfini, Giovanni Di Minno, Angiola Rocino
The development of neutralizing antibodies (inhibitors) against infused factor VIII currently represents the main complication of replacement therapy in patients with severe hemophilia A. Inhibitors, indeed, particularly high-titer inhibitors (>5 BU/mL), greatly complicate the management of bleeding, exposing patients to an increased morbidity and mortality risk, thus representing a significant burden for physicians of Hemophilia Treatment Centers (HTCs). Although bypassing agents (i.e., activated prothrombin complex concentrate [APCC] and recombinant activated factor VII [rFVIIa]) are available for the treatment and prevention of bleeding in inhibitor patients, their efficacy, safety, and cost-benefit outcomes are poorly known in the long term and should be further improved...
May 3, 2018: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/29722910/glycemic-management-in-the-bariatric-surgery-population-a-review-of-the-literature
#14
Meredith L Howard, Taylor D Steuber, Sarah A Nisly
Obesity is a worldwide epidemic often complicated by multiple comorbidities, including type 2 diabetes mellitus (T2DM). Bariatric surgery is an increasingly common and effective weight loss strategy for obese patients that may result in resolution of metabolic related disease states, such as T2DM. Although bariatric surgery has many positive outcomes for patients, dietary and pathophysiologic changes can create difficult to control blood glucose, especially in the immediate perioperative setting. Depending on oral antidiabetic agent and insulin needs preoperatively, many patients require cessation of oral agents and reduction or cessation of insulin...
May 3, 2018: Pharmacotherapy
https://www.readbyqxmd.com/read/29693223/off-pump-hemostasis-for-left-ventricular-rupture-after-myocardial-infarction-with-hydrofit-%C3%A2-and-surgicel-%C3%A2
#15
Hikaru Ishii, Hidehito Endo, Hiroshi Tsuchiya, Yusuke Inaba, Katsunari Terakawa, Hiroshi Kubota
Left ventricular free wall rupture (LVFWR) is a catastrophic complication of myocardial infarction. In these cases, cardiopulmonary bypass (CPB) should be performed for left ventricular repair, but can impact hemodynamic stability. An 87-year-old man presented with acute shock. He was diagnosed with LVFWR after myocardial infarction. We describe a simple, effective, and reproducible technique to achieve hemostasis at the LVFWR site during emergency operation using Hydrofit® and Surgicel® surgical hemostatic agents...
April 24, 2018: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29687489/the-effect-of-storage-solutions-gene-therapy-and-antiproliferative-agents-on-endothelial-function-and-saphenous-vein-graft-patency
#16
Walid Ben Ali, Ismail Bouhout, Louis P Perrault
Vein graft failure remains a major concern after coronary artery bypass graft operations, and is initiated by loss of endothelial cell integrity. Preservation of saphenous vein grafts in the optimal solution after meticulous harvesting can limit the endothelial damage. Despite both experimental and clinical results in favor of buffered solutions, normal saline is still the most widely used solution. This review examines the literature to identify the most optimal storage solutions currently available for vein graft preservation...
May 2018: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/29681200/cost-analysis-of-plasma-derived-factor-viii-von-willebrand-factor-vs-recombinant-factor-viii-for-treatment-of-previously-untreated-patients-with-severe-hemophilia-a-in-the-united-states
#17
Ellis J Neufeld, Robert F Sidonio, Ken O'Day, M Chris Runken, Kellie Meyer, Jeffrey Spears
BACKGROUND: Inhibitor development to factor VIII (FVIII) hemophilia therapy results in increased complications and substantial economic costs. The SIPPET study, the first randomized controlled trial to compare the immunogenicity of plasma-derived FVIII (pdFVIII)/von Willebrand factor (VWF) and recombinant-DNA-derived FVIII (rFVIII), demonstrated higher inhibitor rates in previously untreated patients (PUPs) treated with rFVIII than in PUPs treated with pdFVIII/VWF. OBJECTIVE: To quantify the economic impact of treating PUPs with pdFVIII/VWF versus rFVIII...
April 21, 2018: Journal of Medical Economics
https://www.readbyqxmd.com/read/29678491/polycystic-ovary-syndrome-pcos-an-inflammatory-systemic-lifestyle-endocrinopathy
#18
REVIEW
Seema Patel
Polycystic ovary syndrome (PCOS) is an endocrine disorder, afflicting females of reproductive age. This syndrome leads to infertility, apart from a gamut of other metabolic co-morbidities such as insulin resistance, obesity, cardiovascular problems, including a litany of other health issues. PCOS is a polygenic, polyfactorial, systemic, inflammatory, dysregulated steroid state, autoimmune disease, manifesting largely due to lifestyle errors. The advent of biochemical tests and ultrasound scanning has enabled the detection of PCOS in the affected females...
April 17, 2018: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29669404/patients-with-platelet-aggregation-inhibitors-in-the-dental-office
#19
Ayhan Yildirim, Heinz-Theo Lübbers, Ali Yildirim
Antiplatelet agents with the active ingredients acetylsalicylic acid (Aspirin® protect 100), clopidogrel (Iscover®, Plavix®), prasugrel (Efient®) or ticagrelor (Brilique™) prevent the clumping of platelets and thus the formation of small clots at constrictions of the coronary arteries or on the metal struts of stents in the coronary artery or in bypass grafts. Large-scale studies have shown that taken regularly, these drugs can extend life and help prevent heart attacks. Especially in patients with newly implanted stents, the combination of the above-mentioned agents prevents sudden complete occlusion of the vessel concerned...
April 15, 2018: Swiss Dental Journal
https://www.readbyqxmd.com/read/29665860/the-use-of-cangrelor-with-heparin-for-left-ventricular-assist-device-implantation-in-a-patient-with-acute-heparin-induced-thrombocytopenia
#20
Yan K Gernhofer, Michael Ross, Swapnil Khoche, Victor Pretorius
BACKGROUND: Optimal anticoagulation strategy for cardiopulmonary bypass (CPB) in end-stage heart failure patients with heparin-induced thrombocytopenia (HIT) requiring left ventricular assist device (LVAD) implantation remains uncertain. Presently, there are no large-scale randomized studies comparing outcomes of alternative anticoagulation strategies for CPB in this patient population. A novel antiplatelet agent - cangrelor, which is a potent P2Y12 inhibitor with robust antiplatelet efficacy, rapid reversibility, and measurable drug effect, has become available since 2015...
April 17, 2018: Journal of Cardiothoracic Surgery
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