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Aspirin AND COX

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https://www.readbyqxmd.com/read/30019824/real-clinical-experiences-of-dual-versus-triple-antithrombotic-therapy-after-percutaneous-coronary-intervention
#1
Isabel Wustrow, Nikolaus Sarafoff, Bernhard Haller, Lisa Rössner, Dirk Sibbing, Stefanie Schüpke, Tareq Ibrahim, Aida Anetsberger, Heribert Schunkert, Karl-Ludwig Laugwitz, Adnan Kastrati, Isabell Bernlochner
OBJECTIVES: We aimed to assess the impact of omitting aspirin on clinical outcomes in a real-world collective of patients receiving oral anticoagulation (OAC) therapy who were treated with a current-generation drug-eluting stent (DES) or an everolimus-eluting bioresorbable vascular scaffold (BVS). BACKGROUND: Limited data are available regarding the clinical benefit of triple antithrombotic therapy (TAT) with aspirin compared with dual antithrombotic therapy (DAT) without aspirin in patients undergoing percutaneous coronary intervention (PCI) and requiring OAC...
July 18, 2018: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/30017554/cyclooxygenase-1-mediates-il-33-induced-extracellular-signal-regulated-kinase-activation-in-mast-cells-implications-for-aspirin-sensitivity
#2
Dingxin Pan, Kathleen M Buchheit, Sachin K Samuchiwal, Tao Liu, Haley Cirka, Hannah Raff, Joshua A Boyce
BACKGROUND: Classical FcεRI-induced mast cell (MC) activation causes synthesis of arachidonic acid (AA)-derived eicosanoids (leukotriene (LT)C4 , prostaglandin D2 (PGD2 ), and thromboxane A2 (TXA2 )), that mediate vascular leak, bronchoconstriction, and effector cell chemotaxis. Little is known about the significance and regulation of eicosanoid generation in response to non-classical MC activation mechanisms. OBJECTIVES: To determine the regulation and significance of MC-derived eicosanoids synthesized in response to interleukin-33 (IL-33), a cytokine critical to innate type 2 immunity...
July 12, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/30014716/the-risk-association-of-plasma-total-homocysteine-with-acute-myocardial-infarction-is-modified-by-serum-vitamin-a
#3
Thomas Olsen, Kathrine J Vinknes, Gard Ft Svingen, Eva R Pedersen, Indu Dhar, Grethe S Tell, Rune Blomhoff, Per M Ueland, Øivind Midttun, Helga Refsum, Ottar K Nygård
Background Plasma total homocysteine (tHcy) has been implicated in the development of cardiovascular disease, but the mechanisms remain unclear. Vitamin A (Vit-A) is involved in homocysteine metabolism and we therefore explored the potential interaction between plasma tHcy and serum Vit-A in relation to incident acute myocardial infarction. Methods Cox proportional hazards models were used to assess the prospective relationships between tHcy and acute myocardial infarction in 2205 patients from Western Norway undergoing elective coronary angiography for suspected stable angina pectoris...
January 1, 2018: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/30003361/increased-risk-of-periodontitis-among-patients-with-crohn-s-disease-a-population-based-matched-cohort-study
#4
Ying-Chen Chi, Jiunn-Liang Chen, Li-Hsuan Wang, Koyin Chang, Chen-Long Wu, Shu-Yi Lin, Joseph Jordan Keller, Chyi-Huey Bai
BACKGROUND: Periodontitis is a frequently cited extraintestinal manifestation of Crohn's disease (CD). Despite a plethora of investigations and a recent meta-analysis linking CD and periodontitis, no study has estimated the risk of periodontitis among CD patients with respect to a comparison group nor has any investigation analyzed the effect of CD-specific medications on the risk of periodontitis. The present cohort study compared CD patients and matched subjects without a history of inflammatory bowel disease (IBD) to estimate the effect of CD and CD-specific pharmaceutical prescriptions on the risk of developing periodontitis by leveraging a population-based dataset in Taiwan...
July 12, 2018: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/29990484/cox-inhibitors-and-bone-a-safer-impact-on-osteoblasts-by-no-releasing-nsaids
#5
Maria Cristina Aisa, Alessandro Datti, Antonio Orlacchio, Gian Carlo Di Renzo
Nonsteroidal anti-inflammatory drugs (NSAIDs) are commonly prescribed for the treatment of pain and inflammation. Although it is well known that NSAIDs can suppress bone growth, remodelling and repair, they are largely used post-operatively and post-traumatically to achieve analgesia and reduce inflammation in bone tissue. AIMS: The impact of two NO-releasing, non-selective NSAIDs, NCX-4016 and HCT-3012 (NO-derivatives of Aspirin and Naproxen, respectively) on osteoblasts were evaluated and compared to the non-selective, parent chemicals and to the COX-2-selective inhibitor Celecoxib...
July 7, 2018: Life Sciences
https://www.readbyqxmd.com/read/29985735/comparison-of-nine-platelet-function-tests-used-to-determine-responses-to-different-aspirin-dosages-in-people-with-type-2-diabetes
#6
Paul Harrison, M Angelyn Bethel, Irene Kennedy, Robert Dinsdale, Ruth Coleman, Rury R Holman
The antiplatelet efficacy of aspirin (ASA) is reduced in type 2 diabetes (T2D). As the best ex vivo method of measuring ASA efficacy remains uncertain, we compared nine platelet function tests to assess responsiveness to three ASA dosing regimens in 24 T2D patients randomized in a three-treatment crossover design to ASA 100 mg/day, 200 mg/day, or 100 mg twice daily for 2-week treatment periods. Platelet function tests compared were as follows: light transmission aggregometry (LTA)-0.5 mg/mL of arachidonic acid (AA) and 10 µM adenosine diphosphate (ADP); multiplate whole blood aggregometry (WBA)-0...
July 9, 2018: Platelets
https://www.readbyqxmd.com/read/29982425/nitric-oxide-donating-aspirin-no-aspirin-suppresses-lung-tumorigenesis-in-vitro-and-in-vivo-and-these-effects-are-associated-with-modulation-of-the-egfr-signaling-pathway
#7
Jung Min Song, Pramod Upadhyaya, Fekadu Kassie
Although regular aspirin use has been shown to lower the risk of colorectal cancer, its efficacy against lung cancer is weak or inconsistent. Moreover, aspirin use increases the risk of ulcers and stomach bleeding. In this study, we determined the efficacy of nitric oxide-donating aspirin (NO-Aspirin), a safer form of aspirin in which the parent drug is linked to a nitric oxide-releasing moiety through a spacer, to suppress lung tumorigenesis. Under in vitro conditions, NO-Aspirin significantly reduced the proliferation and survival of tumorigenic bronchial cell line (1170) and non-small cell lung cancer (NSCLC) cell lines (A549, H1650, H1975 and HCC827) and colony formation by NSCLC cells at sub- or low micromolar concentrations (≤1 µM for 1170 cells and ≤6 µM for NSCLC cells) in a COX-2 independent manner...
July 3, 2018: Carcinogenesis
https://www.readbyqxmd.com/read/29982219/maintenance-use-of-non-steroidal-anti-inflammatory-drugs-and-risk-of-gastrointestinal-cancer-in-a-nationwide-population-based-cohort-study-in-sweden
#8
Nele Brusselaers, Jesper Lagergren
OBJECTIVES: Aspirin and other non-steroidal anti-inflammatory drugs (NSAIDs) are potential candidates for chemoprevention of gastrointestinal cancer. We aimed to assess the association between contemporary NSAID use (≥180 days) and gastrointestinal cancer. DESIGN: Nationwide Swedish population-based cohort study (2005-2012). SETTING: Sweden PARTICIPANTS: All adults exposed to maintenance NSAIDs use (aspirin, n=783 870; unselective NSAIDs, n=566 209, selective cyclo-oxygenase (COX)-2 inhibitors, n=17 948) compared with the Swedish background population of the same age, sex and calendar period...
July 7, 2018: BMJ Open
https://www.readbyqxmd.com/read/29977412/inhibition-of-the-development-of-n-nitrosomethylbenzylamine-induced-esophageal-tumors-in-rats-by-strawberries-and-aspirin-alone-and-in-combination
#9
Pan Pan, Daniel S Peiffer, Yi-Wen Huang, Kiyoko Oshima, Gary D Stoner, Li-Shu Wang
BACKGROUND: Esophageal squamous cell carcinoma (ESCC) is one of two subtypes of esophageal cancer, with high incidence and mortality rates in developing countries. OBJECTIVE: The current study investigated the potential chemoprotective effects of strawberries and aspirin against the development of rat esophageal papillomas, the precursors to ESCC. METHODS: Using a prevention model, we administered study diets to rats before, during, and after N -nitrosomethylbenzylamine (NMBA) treatment...
2018: Journal of Berry Research
https://www.readbyqxmd.com/read/29960995/long-term-mortality-of-older-patients-with-acute-myocardial-infarction-treated-in-us-clinical-practice
#10
Ajar Kochar, Anita Y Chen, Puza P Sharma, Neha J Pagidipati, Gregg C Fonarow, Patricia A Cowper, Matthew T Roe, Eric D Peterson, Tracy Y Wang
BACKGROUND: There is limited information about the long-term survival of older patients after myocardial infarction (MI). METHODS AND RESULTS: CRUSADE (Can rapid risk stratification of unstable angina patients suppress adverse outcomes with early implementation of the ACC/AHA guidelines) was a registry of MI patients treated at 568 US hospitals from 2001 to 2006. We linked MI patients aged ≥65 years in CRUSADE to their Medicare data to ascertain long-term mortality (defined as 8 years post index event)...
June 30, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29960709/non-aspirin-nsaid-use-and-ovarian-cancer-mortality
#11
Freija Verdoodt, Christian Dehlendorff, Søren Friis, Susanne K Kjaer
OBJECTIVE: Preclinical studies suggest that non-aspirin non-steroidal anti-inflammatory drugs (NSAIDs) may improve survival of ovarian cancer. We examined the association between non-aspirin NSAID use and ovarian cancer mortality. METHODS: All women in Denmark with a first diagnosis of epithelial ovarian cancer between 2000 and 2012 were identified. We obtained information on drug use, mortality outcomes, and potential confounding factors from nationwide registries...
June 27, 2018: Gynecologic Oncology
https://www.readbyqxmd.com/read/29956875/metformin-and-risk-of-hepatocellular-carcinoma-in-patients-with-type-2-diabetes
#12
Chin-Hsiao Tseng
BACKGROUND: Whether metformin may reduce hepatocellular carcinoma (HCC) risk requires confirmation. METHODS: Type 2 diabetes patients newly diagnosed during 1999-2005 and with 2 or more prescriptions of antidiabetic drugs were enrolled from the Taiwan's National Health Insurance database. A total of 173 917 ever-users and 21 900 never-users of metformin were identified (unmatched cohort). A 1:1 matched-pair cohort of 21 900 ever-users and 21 900 never-users based on a propensity score (PS) was created...
June 29, 2018: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/29948304/a-case-control-study-of-the-risk-of-upper-gastrointestinal-mucosal-injuries-in-patients-prescribed-concurrent-nsaids-and-antithrombotic-drugs-based-on-data-from-the-japanese-national-claims-database-of-13-million-accumulated-patients
#13
Nobuyuki Sugisaki, Ryuichi Iwakiri, Nanae Tsuruoka, Yasuhisa Sakata, Ryo Shimoda, Shun Fujimoto, Yuichiro Eguchi, Kazuma Fujimoto
BACKGROUND: We aimed to identify the adverse effects of nonsteroidal anti-inflammatory drugs (NSAIDs) and antithrombotics on the upper gastrointestinal (GI) mucosa in a clinical setting as a case-control study using a large-scale medical database in Japan. METHODS: We evaluated the risk of upper GI mucosal injuries in patients receiving NSAIDs and antithrombotics using the Japan Medical Data Center claims database with data for 13 million accumulated patients, from January 2009 to December 2014...
June 12, 2018: Journal of Gastroenterology
https://www.readbyqxmd.com/read/29928831/family-history-of-mi-smoking-and-risk-of-periodontal-disease
#14
Y H Yu, L Doucette-Stamm, J Rogus, K Moss, R Y L Zee, B Steffensen, P M Ridker, J E Buring, S Offenbacher, K Kornman, D I Chasman
Periodontal disease (PD) shares common risk factors with cardiovascular disease. Our hypothesis was that having a family history of myocardial infarction (FamHxMI) may be a novel risk factor for PD. Risk assessment based on FamHxMI, conditional on smoking status, was examined given the strong influence of smoking on PD. Exploratory analysis with inflammatory biomarkers and genetic determinants was conducted to understand potential mechanistic links. The Women's Genome Health Study (WGHS) is a prospective cohort of US female health care professionals who provided blood samples at baseline in the Women's Health Study, a 2 × 2 factorial clinical trial investigating vitamin E and aspirin in the prevention of cardiovascular disease and cancer...
June 1, 2018: Journal of Dental Research
https://www.readbyqxmd.com/read/29923323/sex-differences-in-management-and-outcomes-of-patients-with-type-2-diabetes-and-cardiovascular-disease-a-report-from-tecos
#15
Joakim Alfredsson, Jennifer B Green, Susanna R Stevens, Shelby D Reed, Paul W Armstrong, M Angelyn Bethel, Samuel S Engel, Darren K McGuire, Frans Van de Werf, Irene Hramiak, Harvey D White, Eric D Peterson, Rury R Holman
AIM: To examine sex differences in baseline characteristics and outcomes in patients with type 2 diabetes and atherosclerotic vascular disease. MATERIALS AND METHODS: Cox models were used to analyse the association between sex and outcomes in the Trial Evaluating Cardiovascular Outcomes with Sitagliptin (TECOS), a randomized, placebo-controlled trial assessing the impact of sitagliptin on cardiovascular (CV) outcomes in patients with type 2 diabetes and atherosclerotic vascular disease...
June 19, 2018: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/29923156/clinical-efficacy-of-aspirin-with-identification-of-intimal-morphology-by-optical-coherence-tomography-in-preventing-event-recurrence-in-patients-with-vasospasm-induced-acute-coronary-syndrome
#16
Yonggu Lee, Hwan-Cheol Park, Jinho Shin
Using optical coherence tomography (OCT), we found that there were morphological differences in the coronary intima between patients with vasospasm-induced acute coronary syndrome (VACS) and those with stable variant angina. We investigated whether aspirin use would protect against chest pain recurrence in patients with VACS. A retrospective cohort study was performed. Patients with ST-segment elevation who were confirmed to have VACS by a provocation test were included. OCT was performed at the index event and when chest pain recurred to assess intimal morphology...
June 19, 2018: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/29922878/aspirin-inspired-acetyl-donating-hdacs-inhibitors
#17
Jiah Lim, Yoojin Song, Jung-Hee Jang, Chul-Ho Jeong, Sooyeun Lee, Byoungduck Park, Young Ho Seo
Aspirin is one of the oldest drugs for the treatment of inflammation, fever, and pain. It is reported to covalently modify COX-2 enzyme by acetylating a serine amino acid residue. By virtue of aspirin's acetylating potential, we for the first time developed novel acetyl-donating HDAC inhibitors. In this study, we report the design, synthesis, in silico docking study, and biological evaluation of acetyl-donating HDAC inhibitors. The exposure of MDA-MB-231 cells with compound 4c significantly promotes the acetylation of α-tubulin and histone H3, which are substrates of HDAC6 and HDAC1, respectively...
June 20, 2018: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/29922710/aspirin-use-correlates-with-survival-in-women-with-clear-cell-ovarian-cancer
#18
Alyssa M Wield, Christine S Walsh, B J Rimel, Ilana Cass, Beth Y Karlan, Andrew J Li
Data from colon, breast and prostate cancers suggest that aspirin users have reduced mortality. While the direct mechanism remains uncertain, aspirin can suppress the COX-dependent and independent pathways involved in tumor progression. We hypothesized that aspirin users with clear cell ovarian cancer would have improved survival outcomes. We performed a retrospective review of patients with clear cell ovarian cancer diagnosed between 1995 and 2010, and followed outcomes through 2016. Patients underwent primary cytoreductive surgery followed by platinum-based chemotherapy...
August 2018: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/29908967/platelet-reactivity-and-risk-of-ischemic-stroke-after-coronary-drug-eluting-stent-implantation-from-the-adapt-des-study
#19
Gennaro Giustino, Björn Redfors, Ajay J Kirtane, Roxana Mehran, George D Dangas, Bernhard Witzenbichler, Franz-Josef Neumann, Giora Weisz, Philippe Généreux, Akiko Maehara, Thomas McAndrew, Serdar Farhan, Michael J Rinaldi, D Christopher Metzger, Timothy D Henry, David A Cox, Peter L Duffy, Ernest L Mazzaferri, Bruce R Brodie, Thomas D Stuckey, Paul Gurbel, Ori Ben-Yehuda, Gregg W Stone
OBJECTIVES: The authors sought to investigate the association between P2Y12 reaction units (PRU) and the risk of ischemic stroke (IS) after successful coronary drug-eluting stents (DES) implantation. BACKGROUND: The association between platelet reactivity on clopidogrel and the risk for ischemic cerebrovascular events remains unclear. METHODS: Incidence, predictors, and prognostic impact of IS were evaluated among patients enrolled in the multicenter, prospective ADAPT-DES (Assessment of Dual AntiPlatelet Therapy With Drug Eluting Stents) study...
June 8, 2018: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29895623/a-cross-sectional-analysis-of-cardiovascular-disease-in-the-hemophilia-population
#20
Suman L Sood, Dunlei Cheng, Margaret Ragni, Craig M Kessler, Doris Quon, Amy D Shapiro, Nigel S Key, Marilyn J Manco-Johnson, Adam Cuker, Christine Kempton, Tzu-Fei Wang, M Elaine Eyster, Philip Kuriakose, Annette von Drygalski, Joan Cox Gill, Allison Wheeler, Peter Kouides, Miguel A Escobar, Cindy Leissinger, Sarah Galdzicka, Marshall Corson, Crystal Watson, Barbara A Konkle
Men with hemophilia were initially thought to be protected from cardiovascular disease (CVD), but it is now clear that atherothrombotic events occur. The primary objective of the CVD in Hemophilia study was to determine the prevalence of CVD and CVD risk factors in US older men with moderate and severe hemophilia and to compare findings with those reported in age-comparable men in the Atherosclerosis Risk in Communities (ARIC) cohort. We hypothesized if lower factor levels are protective from CVD, we would see a difference in CVD rates between more severely affected and unaffected men...
June 12, 2018: Blood Advances
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