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https://www.readbyqxmd.com/read/28820359/clinical-outcomes-of-direct-oral-anticoagulants-after-lower-extremity-arterial-procedures
#1
Afsha Aurshina, Pavel Kibrik, Justin Eisenberg, Ahmad Alsheekh, Anil Hingorani, Natalie Marks, Enrico Ascher
Objectives The use of postoperative anticoagulation is not uncommon for patients undergoing lower extremity arterial procedures as adjunctive therapy. Longer postoperative length of stay is necessary to achieve adequate therapeutic international normalized ratio with traditional protocols that call for the use of unfractionated heparin and warfarin therapy. We hypothesized the direct oral anticoagulants are an attractive alternative to provide adequate anticoagulation in patients who undergo lower extremity arterial procedures...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/28816833/perioperative-use-of-erythromycin-reduces-cognitive-decline-after-coronary-artery-bypass-grafting-surgery-a-pilot-study
#2
Evanthia Thomaidou, Helena Argiriadou, Georgios Vretzakis, Kalliopi Megari, Nikolaos Taskos, Georgios Chatzigeorgiou, Kyriakos Anastasiadis
OBJECTIVES: Adverse neurologic outcome can be a debilitating complication after cardiac surgery. The aim of this study was to investigate the potential neuroprotective action of erythromycin, a well known antibiotic agent, regarding postoperative cognitive decline in patients undergoing cardiac surgery. METHODS: Forty patients scheduled for elective coronary artery bypass grafting surgery were prospectively randomly assigned in 2 groups: the erythromycin group (n = 19) who received erythromycin at a dose of 25 mg/kg before and after surgery and the control group (n = 21) who did not receive it...
August 14, 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28815418/availability-of-angiography-and-therapeutic-embolization-for-the-treatment-of-acute-bleeding-in-patients-with-hemophilia
#3
Mi Jin Kim, Ji Young Oh, Young Shil Park
Clotting factor replacement therapy alone is often inadequate for acute bleeding in hemophilia patients, and surgery for such patients poses significant clinical challenges. Arterial angiographic intervention is used to control bleeding in local blood vessels. In the present study, we examined the clinical course and prognosis of hemophilia patients with bleeding who had undergone angiography, and evaluated the validity of diagnostic angiography and therapeutic embolization in these patients. Angiography was performed in five hemophilia patients, who experienced bleeding that was difficult to control even after treatment with clotting factor replacement or bypassing agent therapy...
August 16, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28814242/antimicrobial-peptides-a-promising-therapeutic-strategy-in-tackling-antimicrobial-resistance
#4
Ramya Nuti, Sridhar Goud, A Prasanth Saraswati, Ravi Alvala, Mallika Alvala
BACKGROUND: Antimicrobial resistance (AMR) has posed a serious threat to global public health and it requires immediate action, preferably long term. Current drug therapies have failed to curb this menace due to the ability of microbes to circumvent the mechanisms through which the drugs act. From the drug discovery point of view, the majority of drugs currently employed for antimicrobial therapy are small molecules. Recent trends reveal a surge in the use of peptides as drug candidates as they offer remarkable advantages over small molecules...
August 14, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28791355/pegylation-of-lumbrokinase-improves-pharmacokinetic-profile-and-enhances-anti%C3%A2-thrombotic-effect-in-a-rat-carotid-artery-thrombosis-model
#5
Mingji Jin, Guangming Jin, Wei Huang, Zhonggao Gao
The present study aimed to prepare injectable Lumbrokinase (LK) with long circulation time in addition to enhanced anti-thrombotic efficacy. Following preparation, the pharmacokinetic and anti‑thrombotic effect of the drug in a rat carotid artery thrombosis model was evaluated. The drug was prepared by conjugation of LK with mPEG‑SC20000 as previously reported. The pharmacokinetics of the mPEG‑SC20000‑LK were then examined and the anti‑thrombotic activity in an artery‑vein bypass thrombosis rat model was evaluated...
August 4, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28789610/management-of-refractory-bleeding-post-cardiopulmonary-bypass-in-an-acute-heparin-induced-thrombocytopenia-type-ii-renal-failure-patient-who-underwent-urgent-cardiac-surgery-with-bivalirudin-angiox-%C3%A2-anticoagulation
#6
Kimberly Hassen, Maria R Maccaroni, Haytham Sabry, Smitangshu Mukherjee, Shankari Serumadar, Inderpaul Birdi
Acute heparin-induced thrombocytopenia (HIT) patients present myriad anticoagulation management challenges in clinical settings where unfractionated heparin (UFH) is the traditional drug of choice. UFH use in cardiac surgery is a known entity that has been subject to rigorous research. Research has, thus, led to its unparalleled use and the development of well-established protocols for cardiac surgery. In comparison to UFH, bivalirudin use for acute HIT patients requiring urgent cardiac surgery with cardiopulmonary bypass (CPB) is still in its infancy...
August 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28776894/persept-1-a-phase-3-trial-of-activated-eptacog-beta-for-on-demand-treatment-of-haemophilia-inhibitor-related-bleeding
#7
M Wang, J B Lawrence, D V Quon, J Ducore, M L Simpson, L N Boggio, I S Mitchell, G Yuan, W A Alexander, J-F Schved
INTRODUCTION: Haemophilia A or B patients with inhibitors have been treated with FVIIa-containing bypassing agents for over 20 years. However, due to uncertainty regarding dose response and thrombotic risk, the use of a gradual, titrated, minimal dosing strategy remains prevalent, potentially hampering early haemostasis. AIM: Evaluate the dose-dependent efficacy, safety and immunogenicity of activated eptacog beta (rhFVIIa), a new recombinant inhibitor bypassing agent for the treatment of bleeding episodes (BEs)...
August 3, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28774798/drug-combination-approach-to-overcome-resistance-to-egfr-tyrosine-kinase-inhibitors-in-lung-cancer
#8
Christy W S Tong, William K K Wu, Herbert H F Loong, William C S Cho, Kenneth K W To
The discovery of epidermal growth factor receptor tyrosine kinase inhibitor (EGFR TKI) has led to unprecedented clinical response in a subset of lung cancer patients carrying the sensitizing EGFR mutations (L858R or exon 19 deletion). However, disease progression invariably occurs within a year after the initial TKI treatment, predominantly due to the development of acquired resistance caused by the secondary EGFR T790 M mutation. Numerous second generation irreversible and third generation EGFR T790 M selective EGFR TKIs have been developed to overcome resistance...
July 31, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28771230/hyperosmotic-stress-enhances-cytotoxicity-of-smac-mimetics
#9
Sebastian Bittner, Gertrud Knoll, Martin Ehrenschwender
Inhibitors of apoptosis (IAP) proteins contribute to cell death resistance in malignancies and emerged as promising targets in cancer therapy. Currently, small molecules mimicking the IAP-antagonizing activity of endogenous second mitochondria-derived activator of caspases (SMAC) are evaluated in phase 1/2 clinical trials. In cancer cells, SMAC mimetic (SM)-mediated IAP depletion induces tumor necrosis factor (TNF) secretion and simultaneously sensitizes for TNF-induced cell death. However, tumor cells lacking SM-induced autocrine TNF release survive and thus limit therapeutic efficacy...
August 3, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28770424/predictors-of-long-term-remission-and-relapse-of-type-2-diabetes-mellitus-following-gastric-bypass-in-severely-obese-patients
#10
Vanessa Lopes Preto de Oliveira, Gianluca P Martins, Cláudio C Mottin, Jacqueline Rizzolli, Rogério Friedman
BACKGROUND: Diabetes remission is not observed in all obese patients with type 2 diabetes submitted to bariatric surgery. Relapses occur in patients in whom remission is achieved. We investigated the factors associated with long-term (≥3 years) remission and relapse of type 2 diabetes after Roux-en-Y gastric bypass (RYGB) in these patients. METHODS: By a retrospective review, we analyzed data from 254 patients with type 2 diabetes who had undergone RYGB from May 2000 to November 2011 and had at least 3 years of follow-up...
August 2, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28763308/revascularization-strategies-and-in-hospital-management-in-acute-coronary-syndromes-complicated-by-hemophilia-a-or-hemophilia-b
#11
Matthew J Reilley, Anne Blair, William H Matthai, Rolando Vega, Meghan Buckley, Phyllis A Gimotty, Patrick F Fogarty
: Among adult patients with hemophilia A and hemophilia B the emergent management of acute coronary syndromes (ACSs) is challenging, and exposure to antithrombotic agents and/or revascularization procedures may confer an enhanced risk of bleeding. We sought to identify clinical characteristics and in-hospital outcomes among ACS patients with hemophilia A/hemophilia B, compared with matched noncoagulopathic ACS controls. Case discharges from the Nationwide Inpatient Sample, Healthcare Cost and Utilization Project, Agency for Healthcare Research and Quality (1998-2011) had International Classification of Diseases, 9th Revision codes for hemophilia A/hemophilia B and ACS...
July 29, 2017: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
https://www.readbyqxmd.com/read/28762929/-risk-factors-of-cardiovascular-complications-after-beating-heart-coronary-artery-bypass-grafting-in-patients-with-type-two-diabetes
#12
S Y Borodashkina, K V Protasov, V A Podkamennyi
AIM: to determine risk factors of early cardiovascular complications after beating-heart coronary artery bypass grafting (CABG) in patients with ischemic coronary disease (IHD) and type two diabetes (D2). MATERIALS AND METHODS: We included into this study 188 patients (mean age 59 years, 85.1% men) with IHD and D2 who underwent off-pump CABG. The following cardiovascular complications (CVC) registered within 7 days after surgery were analyzed: myocardial infarction (MI), stroke/transient ischemic attack (S/TIA), atrial fibrillation (AF)...
March 2017: Kardiologiia
https://www.readbyqxmd.com/read/28758529/targeting-endothelin-1-receptor-%C3%AE-arrestin1-network-for-the-treatment-of-ovarian-cancer
#13
Laura Rosanò, Roberta Cianfrocca, Rosanna Sestito, Piera Tocci, Valeriana Di Castro, Anna Bagnato
Endothelin-1 receptor (ET-1R)/β-arrestin1 (β-arr1) signaling is dysregulated in ovarian cancer. This signaling circuit enables cancer cells to engage several signaling and transcriptional networks that are pervasively intertwined, and represent a potential therapeutic target for developing novel agents for ovarian cancer treatment. Areas covered: In this article, we discuss the role of the signaling network between ET-1R and key pathways mediated by the scaffold protein β-arr1, as part of signaling complex, or as a transcription co-activator, promoting precise control of transcription of different genes, including ET-1...
July 31, 2017: Expert Opinion on Therapeutic Targets
https://www.readbyqxmd.com/read/28754174/rnai-therapy-to-the-wall-of-arteries-and-veins-anatomical-physiologic-and-pharmacological-considerations
#14
REVIEW
Christoph S Nabzdyk, Leena Pradhan-Nabzdyk, Frank W LoGerfo
BACKGROUND: Cardiovascular disease remains a major health care challenge. The knowledge about the underlying mechanisms of the respective vascular disease etiologies has greatly expanded over the last decades. This includes the contribution of microRNAs, endogenous non-coding RNA molecules, known to vastly influence gene expression. In addition, short interference RNA has been established as a mechanism to temporarily affect gene expression. This review discusses challenges relating to the design of a RNA interference therapy strategy for the modulation of vascular disease...
July 28, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28742144/genome-wide-and-protein-kinase-focused-rnai-screens-reveal-conserved-and-novel-damage-response-pathways-in-trypanosoma-brucei
#15
Jennifer A Stortz, Tiago D Serafim, Sam Alsford, Jonathan Wilkes, Fernando Fernandez-Cortes, Graham Hamilton, Emma Briggs, Leandro Lemgruber, David Horn, Jeremy C Mottram, Richard McCulloch
All cells are subject to structural damage that must be addressed for continued growth. A wide range of damage affects the genome, meaning multiple pathways have evolved to repair or bypass the resulting DNA lesions. Though many repair pathways are conserved, their presence or function can reflect the life style of individual organisms. To identify genome maintenance pathways in a divergent eukaryote and important parasite, Trypanosoma brucei, we performed RNAi screens to identify genes important for survival following exposure to the alkylating agent methyl methanesulphonate...
July 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28733906/the-advanced-diarem-score-improves-prediction-of-diabetes-remission-1%C3%A2-year-post-roux-en-y-gastric-bypass
#16
Judith Aron-Wisnewsky, Nataliya Sokolovska, Yuejun Liu, Doron S Comaneshter, Shlomo Vinker, Tal Pecht, Christine Poitou, Jean-Michel Oppert, Jean-Luc Bouillot, Laurent Genser, Dror Dicker, Jean-Daniel Zucker, Assaf Rudich, Karine Clément
AIMS/HYPOTHESIS: Not all people with type 2 diabetes who undergo bariatric surgery achieve diabetes remission. Thus it is critical to develop methods for predicting outcomes that are applicable for clinical practice. The DiaRem score is relevant for predicting diabetes remission post-Roux-en-Y gastric bypass (RYGB), but it is not accurate for all individuals across the entire spectrum of scores. We aimed to develop an improved scoring system for predicting diabetes remission following RYGB (the Advanced-DiaRem [Ad-DiaRem])...
July 21, 2017: Diabetologia
https://www.readbyqxmd.com/read/28733193/traditional-neurotherapeutics-approach-intended-for-direct-nose-to-brain-delivery
#17
REVIEW
Zohreh Abolhasanzadeh, Hajar Ashrafi, Parmis Badr, Amir Azadi
ETHNOPHARMACOLOGICAL RELEVANCE: Nasal delivery systems have a significant role in Persian traditional medicine. Most of them were utilized for central nervous system (CNS)-related disorders. In modern medicine, nasal drug delivery systems for brain delivery are highly regarded. AIM OF THE STUDY: Despite recent advances in drug delivery to the (CNS), delivery of therapeutics to the brain remains a major challenge because of the blood brain barrier (BBB). There are several mechanisms which regulate the drug transfer across the BBB...
July 18, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28724765/translesion-polymerase-pol-%C3%AE-is-required-for-efficient-epstein-barr-virus-infectivity-and-is-regulated-by-the-viral-deubiquitinating-enzyme-bplf1
#18
Ossie F Dyson, Joseph S Pagano, Christopher B Whitehurst
Epstein-Barr Virus (EBV) infection and lytic replication are known to induce a cellular DNA damage response. Previously we showed that the virally encoded BPLF1 protein interacts with and regulates several members of the translesion synthesis pathway (TLS), a DNA damage tolerance pathway, and that these cellular factors enhance viral infectivity. BPLF1 is a late lytic cycle gene, but the protein is also packaged in the viral tegument indicating that BPLF1 may function both early and late during infection. BPLF1 expresses deubiquitinating activity that is strictly conserved across the Herpesviridae; mutation of the active-site cysteine results in loss of enzymatic activity...
July 19, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28722015/trpv1-regulates-excitatory-innervation-of-olm-neurons-in-the-hippocampus
#19
Joaquin I Hurtado-Zavala, Binu Ramachandran, Saheeb Ahmed, Rashi Halder, Christiane Bolleyer, Ankit Awasthi, Markus A Stahlberg, Robin J Wagener, Kristin Anderson, Ryan M Drenan, Henry A Lester, Julie M Miwa, Jochen F Staiger, Andre Fischer, Camin Dean
TRPV1 is an ion channel activated by heat and pungent agents including capsaicin, and has been extensively studied in nociception of sensory neurons. However, the location and function of TRPV1 in the hippocampus is debated. We found that TRPV1 is expressed in oriens-lacunosum-moleculare (OLM) interneurons in the hippocampus, and promotes excitatory innervation. TRPV1 knockout mice have reduced glutamatergic innervation of OLM neurons. When activated by capsaicin, TRPV1 recruits more glutamatergic, but not GABAergic, terminals to OLM neurons in vitro...
July 19, 2017: Nature Communications
https://www.readbyqxmd.com/read/28717881/a-retrospective-comparison-of-inhaled-milrinone-and-iloprost-in-post-bypass-pulmonary-hypertension
#20
Kassiani Theodoraki, Apostolos Thanopoulos, Panagiota Rellia, Evangelos Leontiadis, Dimitrios Zarkalis, Konstantinos Perreas, Theophani Antoniou
During cardiac operations, weaning from cardiopulmonary bypass (CPB) may prove challenging as a result of superimposed acute right ventricular dysfunction in the setting of elevated pulmonary vascular resistance (PVR). The aim of this study was to retrospectively evaluate the effect of inhaled milrinone versus inhaled iloprost in patients with persistent pulmonary hypertension following discontinuation of CPB. Eighteen patients with elevated PVR post-bypass were administered inhaled milrinone at a cumulative dose of 50 μg kg(-1)...
July 17, 2017: Heart and Vessels
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