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Association of Lipoprotein (a) and Standard Modifiable Cardiovascular Risk Factors With Incident Myocardial Infarction: The Mass General Brigham Lp(a) Registry. J Am Heart Assoc 2024; 13:e034493. [PMID: 38761082 DOI: 10.1161/jaha.123.034493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 03/29/2024] [Indexed: 05/20/2024]
Abstract
BACKGROUND Lipoprotein (a) [Lp(a)] is a robust predictor of coronary heart disease outcomes, with targeted therapies currently under investigation. We aimed to evaluate the association of high Lp(a) with standard modifiable risk factors (SMuRFs) for incident first acute myocardial infarction (AMI). METHODS AND RESULTS This retrospective study used the Mass General Brigham Lp(a) Registry, which included patients aged ≥18 years with an Lp(a) measurement between 2000 and 2019. Exclusion criteria were severe kidney dysfunction, malignant neoplasm, and prior known atherosclerotic cardiovascular disease. Diabetes, dyslipidemia, hypertension, and smoking were considered SMuRFs. High Lp(a) was defined as >90th percentile, and low Lp(a) was defined as <50th percentile. The primary outcome was fatal or nonfatal AMI. A combination of natural language processing algorithms, International Classification of Diseases (ICD) codes, and laboratory data was used to identify the outcome and covariates. A total of 6238 patients met the eligibility criteria. The median age was 54 (interquartile range, 43-65) years, and 45% were women. Overall, 23.7% had no SMuRFs, and 17.8% had ≥3 SMuRFs. Over a median follow-up of 8.8 (interquartile range, 4.2-12.8) years, the incidence of AMI increased gradually, with higher number of SMuRFs among patients with high (log-rank P=0.031) and low Lp(a) (log-rank P<0.001). Across all SMuRF subgroups, the incidence of AMI was significantly higher for patients with high Lp(a) versus low Lp(a). The risk of high Lp(a) was similar to having 2 SMuRFs. Following adjustment for confounders and number of SMuRFs, high Lp(a) remained significantly associated with the primary outcome (hazard ratio, 2.9 [95% CI, 2.0-4.3]; P<0.001). CONCLUSIONS Among patients with no prior atherosclerotic cardiovascular disease, high Lp(a) is associated with significantly higher risk for first AMI regardless of the number of SMuRFs.
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Use of Optimal Medical Therapy in Patients With Cardiovascular Disease Undergoing Cardiac Rehabilitation. Curr Probl Cardiol 2024; 49:102058. [PMID: 37640175 DOI: 10.1016/j.cpcardiol.2023.102058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Accepted: 08/23/2023] [Indexed: 08/31/2023]
Abstract
Optimal medical therapy (OMT) in patients with coronary artery disease (CAD) and/or heart failure (HF) is underused despite the established benefits of these medications. Cardiac rehabilitation (CR) may be one place where OMT could be promoted. We sought to describe the prevalence and characteristics of OMT use in patients with CAD or HF undergoing CR. We included patients with CAD (myocardial infarction, percutaneous coronary intervention, coronary artery bypass grafting, angina) and HF enrolled in our CR program. For patients with CAD, we defined OMT to consist of aspirin or other antiplatelets, statins, and beta-blockers (BB). For patients with HF or EF ≤ 40%, OMT included BB, spironolactone, and either Angiotensin Converting Enzyme inhibitors (ACEi)/angiotensin receptor blockers or angiotensin receptor neprilysin inhibitor (ARNI). For CAD patients with normal EF, OMT also included ACEi/ARB/ARNI if they also had diabetes type 2. From January 2015 to December 2019, 828 patients were referred to CR and 743 attended. Among 612 patients (mean age: 65, 23% female) with CAD, 483 (79%) patients were on OMT. Of the 131 HF patients (mean age: 64, 21% female) enrolled in CR, only 23 (18%) met all 3 OMT criteria, whereas most patients were on only 1 (93 %) or 2 (76%) HF specific medications. Spironolactone was the least prescribed (22%) medication. Over the study period, we observed a steady increase in the use of ARNI (2015: 0% vs 2019: 27%, p < 0.01). Among the individuals, 69 patients experienced both CAD and HF, while only 7 patients were under OMT for both CAD and HF. Most patients attending CR with CAD are receiving OMT, but most patients with HF are not. Although OMT has improved over time, there remains room for improvement, particularly among patients with HF.
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Cardiovascular outcomes in patients with coronary artery disease and elevated lipoprotein(a): implications for the OCEAN(a)-outcomes trial population. EUROPEAN HEART JOURNAL OPEN 2023; 3:oead077. [PMID: 37641636 PMCID: PMC10460541 DOI: 10.1093/ehjopen/oead077] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 07/19/2023] [Accepted: 08/09/2023] [Indexed: 08/31/2023]
Abstract
Aims The ongoing Olpasiran Trials of Cardiovascular Events and Lipoprotein(a) Reduction [OCEAN(a)]-Outcomes trial is evaluating whether Lp(a) lowering can reduce the incidence of cardiovascular events among patients with prior myocardial infarction (MI) or percutaneous coronary intervention (PCI) and elevated Lp(a) (≥200 nmol/L). The purpose of this study is to evaluate the association of elevated Lp(a) with cardiovascular outcomes in an observational cohort resembling the OCEAN(a)-Outcomes trial main enrolment criteria. Methods and results This study included patients aged 18-85 years with Lp(a) measured as part of their clinical care between 2000 and 2019. While patients were required to have a history of MI, or PCI, those with severe kidney dysfunction or a malignant neoplasm were excluded. Elevated Lp(a) was defined as ≥200 nmol/L consistent with the OCEAN(a)-Outcomes trial. The primary outcome was a composite of coronary heart disease death, MI, or coronary revascularization. Natural language processing algorithms, billing and ICD codes, and laboratory data were employed to identify outcomes and covariates. A total of 3142 patients met the eligibility criteria, the median age was 61 (IQR: 52-73) years, 28.6% were women, and 12.3% had elevated Lp(a). Over a median follow-up of 12.2 years (IQR: 6.2-14.3), the primary composite outcome occurred more frequently in patients with versus without elevated Lp(a) [46.0 vs. 38.0%, unadjHR = 1.30 (95% CI: 1.09-1.53), P = 0.003]. Following adjustment for measured confounders, elevated Lp(a) remained independently associated with the primary outcome [adjHR = 1.33 (95% CI: 1.12-1.58), P = 0.001]. Conclusion In an observational cohort resembling the main OCEAN(a)-Outcomes Trial enrolment criteria, patients with an Lp(a) ≥200 nmol/L had a higher risk of cardiovascular outcomes.
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On the role of scarcity in marketing: Identifying research opportunities across the 5Ps. JOURNAL OF THE ACADEMY OF MARKETING SCIENCE 2023:1-6. [PMID: 37359269 PMCID: PMC10242224 DOI: 10.1007/s11747-023-00956-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/28/2023]
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A Prescription Digital Therapeutic to Support Unsupervised Buprenorphine Initiation for Patients With Opioid Use Disorder: Protocol for a Proof-of-Concept Study. JMIR Res Protoc 2023; 12:e43122. [PMID: 36662568 PMCID: PMC9898828 DOI: 10.2196/43122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 12/12/2022] [Accepted: 12/13/2022] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Home-based (unsupervised) buprenorphine initiation is considered safe and effective, yet many patients report barriers to successful treatment initiation. Prescription digital therapeutics (PDTs) are software-based disease treatments regulated by the US Food and Drug Administration (FDA). The reSET-O PDT was authorized by the FDA in 2018 and delivers behavioral treatment for individuals receiving buprenorphine for opioid use disorder (OUD). A prototype PDT (PEAR-002b) designed for use with reSET-O was developed to assist in unsupervised buprenorphine initiation. OBJECTIVE The primary objective of this pilot study is to evaluate the acceptability of PEAR-002b in individuals with OUD who use it to support buprenorphine initiation, their unsupervised buprenorphine initiation success rate, and their medication adherence. METHODS Ten adults with OUD will be recruited for acceptability and feasibility testing. Outcomes will be assessed using week-1 visit attendance, participant interviews and satisfaction surveys, and urine drug screening (UDS). Three tools will be used in the study: PEAR-002b, reSET-O, and EmbracePlus. PEAR-002b includes a new set of features designed for use with reSET-O. The mechanism of action for the combined PEAR-002b and reSET-O treatment is a program of medication dosing support during week 1 of the initiation phase, cognitive behavioral therapy, and contingency management. During the medication initiation phase, participants are guided through a process to support proper medication use. PEAR-002b advises them when to take their buprenorphine based on provider inputs (eg, starting dose), self-reported substance use, and self-reported withdrawal symptoms. This study also administers the EmbracePlus device, a medical-grade smartwatch, to pilot methods for collecting physiologic data (eg, heart rate and skin conductance) and evaluate the device's potential for use along with PDTs that are designed to improve OUD treatment initiation. Home buprenorphine initiation success will be summarized as the proportion of participants attending the post-buprenorphine initiation visit (week 1) and the proportion of participants who experience buprenorphine initiation-related adverse events (eg, precipitated withdrawal). Acceptability of PEAR-002b will be evaluated based on individual participants' ratings of ease of use, satisfaction, perceived helpfulness, and likelihood of recommending PEAR-002b. Medication adherence will be evaluated by participant self-report data and confirmed by UDS. UDS data will be summarized as the mean of individual participants' proportion of total urine samples testing positive for buprenorphine or norbuprenorphine over the 4-week study. RESULTS This project was funded in September 2019. As of September 2022, participant enrollment is ongoing. CONCLUSIONS This is the first study to our knowledge to develop a PDT that assists with unsupervised buprenorphine initiation with the intent to better support patients and prescribers during this early phase of treatment. This pilot study will assess the acceptability and utility of a digital therapeutic to assist individuals with OUD with unsupervised buprenorphine initiation. TRIAL REGISTRATION ClinicalTrials.gov NCT05412966; https://clinicaltrials.gov/ct2/show/NCT05412966. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID) PRR1-10.2196/43122.
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Effectiveness of a remote care program in the management of patients with resistant hypertension or multiple medication intolerances. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.2196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
A remote hypertension (HTN) program, designed and implemented at Mass General Brigham (MGB), has demonstrated improved HTN control, reduced need for in-person visits, and increased access to care. The program excluded patients with resistant HTN or multiple intolerances/allergies to guideline-directed therapies, whose blood pressure (BP) is difficult to manage.
Purpose
To develop a more intensive but still remote program (“HTN-Plus”) for patients with resistant HTN or intolerances/allergies to multiple medications, and to assess its effectiveness for BP control.
Methods
From 10/2020 through 11/2021, we identified a subset of hypertensive patients from the total pool of those enrolled in our remote HTN management program, who required more personalized and intensive therapy than the overall remote management program provided. We developed ancillary management for these patients, who included: 1) patients with apparent resistant HTN (ARH), ie with uncontrolled BP despite maximum tolerated doses of at least three anti-HTN medications including a diuretic, and 2) patients with multiple medication intolerances or allergies that precluded appropriate triple therapy or limited dose-optimization. A nurse practitioner provided education and advice on BP measurement technique, lifestyle modifications, and adherence. Evaluation for primary aldosteronism (PA) was undertaken in those with ARH.
Results
We enrolled 3658 patients with uncontrolled HTN, of whom 117 qualified for the HTN-Plus program. The average BP on entry was 143/80 mmHg. 68% had apparent resistant HTN and 32% had multiple medication intolerances/allergies. Among all patients, 30% had incorrect BP-measurement technique upon interview, 10% who were tested for PA had a positive screening test, 56% had a history suggestive of an unmanaged secondary cause, and only 6% admitted imperfect adherence, but urine testing was not done. 74% of patients completed the program meaning they were reachable through the end and did not drop out. Across the program, 72 new medications were started, and 84 medication titrations were made. 50% of patients who enrolled in HTN-plus achieved BP <130/80 mmHg. 22% achieved BP control with education and coaching alone. For patients who completed the program, the average entry and final BPs were 139/78 mmHg and 126/70 mmHg respectively, with an average BP decrease of 13/8 mmHg.
Conclusions
In patients who remain hypertensive despite maximally tolerated guideline-directed medication utilization, our intensified but still entirely remote HTN management program helped patients reach their BP goal through education, coaching, and medication management. Nearly a quarter were able to achieve BP control with education and coaching alone. These results suggest that a significant value of remote care in patients with resistant HTN or medication intolerances/allergies lies in ongoing education and coaching, for which more cost-effective solutions may be considered.
Funding Acknowledgement
Type of funding sources: Private hospital(s). Main funding source(s): Mass General Brigham as part of quality improvement initiative
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Long-term safety and efficacy of anacetrapib in patients with atherosclerotic vascular disease. Eur Heart J 2022; 43:1416-1424. [PMID: 34910136 PMCID: PMC8986460 DOI: 10.1093/eurheartj/ehab863] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 09/30/2021] [Accepted: 12/02/2021] [Indexed: 01/04/2023] Open
Abstract
AIMS REVEAL was the first randomized controlled trial to demonstrate that adding cholesteryl ester transfer protein inhibitor therapy to intensive statin therapy reduced the risk of major coronary events. We now report results from extended follow-up beyond the scheduled study treatment period. METHODS AND RESULTS A total of 30 449 adults with prior atherosclerotic vascular disease were randomly allocated to anacetrapib 100 mg daily or matching placebo, in addition to open-label atorvastatin therapy. After stopping the randomly allocated treatment, 26 129 survivors entered a post-trial follow-up period, blind to their original treatment allocation. The primary outcome was first post-randomization major coronary event (i.e. coronary death, myocardial infarction, or coronary revascularization) during the in-trial and post-trial treatment periods, with analysis by intention-to-treat. Allocation to anacetrapib conferred a 9% [95% confidence interval (CI) 3-15%; P = 0.004] proportional reduction in the incidence of major coronary events during the study treatment period (median 4.1 years). During extended follow-up (median 2.2 years), there was a further 20% (95% CI 10-29%; P < 0.001) reduction. Overall, there was a 12% (95% CI 7-17%, P < 0.001) proportional reduction in major coronary events during the overall follow-up period (median 6.3 years), corresponding to a 1.8% (95% CI 1.0-2.6%) absolute reduction. There were no significant effects on non-vascular mortality, site-specific cancer, or other serious adverse events. Morbidity follow-up was obtained for 25 784 (99%) participants. CONCLUSION The beneficial effects of anacetrapib on major coronary events increased with longer follow-up, and no adverse effects emerged on non-vascular mortality or morbidity. These findings illustrate the importance of sufficiently long treatment and follow-up duration in randomized trials of lipid-modifying agents to assess their full benefits and potential harms. TRIAL REGISTRATION International Standard Randomized Controlled Trial Number (ISRCTN) 48678192; ClinicalTrials.gov No. NCT01252953; EudraCT No. 2010-023467-18.
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Motives Underlying Human Agency: How Self-efficacy versus Self-enhancement Affect Consumer Behavior. Curr Opin Psychol 2022; 46:101335. [DOI: 10.1016/j.copsyc.2022.101335] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 02/22/2022] [Accepted: 03/01/2022] [Indexed: 11/30/2022]
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De-stigmatizing the “Win-win:” Making Sustainable Consumption Sustainable. Curr Opin Psychol 2022; 46:101336. [DOI: 10.1016/j.copsyc.2022.101336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 02/25/2022] [Accepted: 03/01/2022] [Indexed: 11/15/2022]
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TCT-294 A Novel Risk Score to Identify AF Patients Undergoing PCI at High Thrombotic Risk a RE-DUAL PCI Secondary Analysis. J Am Coll Cardiol 2021. [DOI: 10.1016/j.jacc.2021.09.1147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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TCT-250 Differential Intensity of Lipid-Lowering Therapy Among Patients With and Without Previous Coronary Revascularization—Insights From GOULD. J Am Coll Cardiol 2021. [DOI: 10.1016/j.jacc.2021.09.1103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Use of lipid-lowering therapies in patients with CKD and ASCVD: A 1-year update from GOULD. J Clin Lipidol 2021. [DOI: 10.1016/j.jacl.2021.08.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Atherosclerotic cardiovascular disease risk and elevated lipoprotein(a) among young adults with myocardial infarction: The Partners YOUNG-MI Registry. Eur J Prev Cardiol 2021; 28:e12-e14. [PMID: 32539451 DOI: 10.1177/2047487320931296] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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STATIN INTOLERANCE: A REMOTE, NAVIGATOR-LED STRATEGY TO COMBAT A COMMON CHALLENGE. J Am Coll Cardiol 2021. [DOI: 10.1016/s0735-1097(21)04620-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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SOTAGLIFLOZIN REDUCES TOTAL HOSPITALIZATIONS AND INCREASES DAYS ALIVE AND OUT OF HOSPITAL IN THE SOLOIST-WHF TRIAL. J Am Coll Cardiol 2021. [DOI: 10.1016/s0735-1097(21)01878-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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TIME TO CONTROL: ROUTINE CLINICAL CARE VS. VIRTUAL HYPERTENSION MANAGEMENT. J Am Coll Cardiol 2021. [DOI: 10.1016/s0735-1097(21)02841-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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IS APPROPRIATE USE OF ORAL ANTICOAGULANTS IMPROVING AMONG ATRIAL FIBRILLATION PATIENTS? RESULTS FROM THE BENCHMARKING AN ORAL ANTICOAGULANT TREATMENT RATE IN PATIENTS WITH NONVALVULAR ATRIAL FIBRILLATION (BOAT-AF) STUDY AND COMPARISON TO 387,975 PARTICIPANTS IN THE PINNACLE REGISTRY®. J Am Coll Cardiol 2021. [DOI: 10.1016/s0735-1097(21)03165-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Two-year Results of the Getting to an imprOved Understanding of Low-Density Lipoprotein Cholesterol and Dyslipidaemia Management (GOULD) Registry of Patients With AtheroSclerotic CardioVascular Disease (ASCVD). Heart Lung Circ 2021. [DOI: 10.1016/j.hlc.2021.06.343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Understanding the relationship between resource scarcity and object attachment. Curr Opin Psychol 2020; 39:26-30. [PMID: 32801105 DOI: 10.1016/j.copsyc.2020.07.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 07/09/2020] [Indexed: 10/23/2022]
Abstract
People generally respond to resource scarcity through one of two pathways: scarcity-reduction or control-restoration. We draw from recent work on the solidity (versus liquidity) of consumption opportunities to offer a new lens through which to view how the two pathways that follow from resource scarcity relate to object attachment. In this review, we discuss when each pathway predicts stronger (versus weaker) object attachment. We also offer several open questions for when resource scarcity might prompt consumers to forgo the security afforded by stronger attachments for the flexibility afforded by weaker attachments.
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Physician Characteristics and Attitudes towards Lipid-Lowering Treatment and Variability in Implementation of Guidelines: Insights from the Getting to an ImprOved Understanding of Low-Density Lipoprotein-Cholesterol and Dyslipidemia Management (GOULD) Reg. J Clin Lipidol 2020. [DOI: 10.1016/j.jacl.2020.05.095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Use of Lipid-Lowering Therapies in Patients with CKD and ASCVD: A 1-Year Update From GOULD∗. J Clin Lipidol 2020. [DOI: 10.1016/j.jacl.2020.05.090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Switching warfarin to direct oral anticoagulants in atrial fibrillation: Insights from the NCDR PINNACLE registry. Clin Cardiol 2020; 43:743-751. [PMID: 32378265 PMCID: PMC7368350 DOI: 10.1002/clc.23376] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Revised: 03/27/2020] [Accepted: 03/30/2020] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Previous studies examining the use of direct oral anticoagulants (DOACs) in atrial fibrillation (AF) have largely focused on patients newly initiating therapy. Little is known about the prevalence/patterns of switching to DOACs among AF patients initially treated with warfarin. HYPOTHESIS To examine patterns of anticoagulation among patients chronically managed with warfarin upon the availability of DOACs and identify patient/practice-level factors associated with switching from chronic warfarin therapy to a DOAC. METHODS Prospective cohort study of AF patients in the NCDR PINNACLE registry prescribed warfarin between May 1, 2008 and May 1, 2015. Patients were followed at least 1 year (median length of follow-up 375 days, IQR 154-375) through May 1, 2016 and stratified as follows: continued warfarin, switched to DOAC, or discontinued anticoagulation. To identify significant predictors of switching, a three-level multivariable hierarchical regression was developed. RESULTS Among 383 008 AF patients initially prescribed warfarin, 16.3% (n = 62 620) switched to DOACs, 68.8% (n = 263 609) continued warfarin, and 14.8% (n = 56 779) discontinued anticoagulation. Among those switched, 37.6% received dabigatran, 37.0% rivaroxaban, 24.4% apixaban, and 1.0% edoxaban. Switched patients were more likely to be younger, women, white, and have private insurance (all P < .001). Switching was less likely with increased stroke risk (OR, 0.92; 95%CI, 0.91-0.93 per 1-point increase CHA2 DS2 -VASc), but more likely with increased bleeding risk (OR, 1.12; 95%CI, 1.10-1.13 per 1-point increase HAS-BLED). There was substantial variation at the practice-level (MOR, 2.33; 95%CI, 2.12-2.58) and among providers within the same practice (MOR, 1.46; 95%CI, 1.43-1.49). CONCLUSIONS Among AF patients treated with warfarin between October 1, 2010 and May 1, 2016, one in six were switched to DOACs, with differences across sociodemographic/clinical characteristics and substantial practice-level variation. In the context of current guidelines which favor DOACs over warfarin, these findings help benchmark performance and identify areas of improvement.
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BCL-2 antagonism sensitizes cytotoxic T cell-resistant HIV reservoirs to elimination ex vivo. J Clin Invest 2020; 130:2542-2559. [PMID: 32027622 PMCID: PMC7191002 DOI: 10.1172/jci132374] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 01/29/2020] [Indexed: 12/11/2022] Open
Abstract
Curing HIV infection will require the elimination of a reservoir of infected CD4+ T cells that persists despite HIV-specific cytotoxic T cell (CTL) responses. Although viral latency is a critical factor in this persistence, recent evidence also suggests a role for intrinsic resistance of reservoir-harboring cells to CTL killing. This resistance may have contributed to negative outcomes of clinical trials, where pharmacologic latency reversal has thus far failed to drive reductions in HIV reservoirs. Through transcriptional profiling, we herein identified overexpression of the prosurvival factor B cell lymphoma 2 (BCL-2) as a distinguishing feature of CD4+ T cells that survived CTL killing. We show that the inducible HIV reservoir was disproportionately present in BCL-2hi subsets in ex vivo CD4+ T cells. Treatment with the BCL-2 antagonist ABT-199 was not sufficient to drive reductions in ex vivo viral reservoirs when tested either alone or with a latency-reversing agent (LRA). However, the triple combination of strong LRAs, HIV-specific T cells, and a BCL-2 antagonist uniquely enabled the depletion of ex vivo viral reservoirs. Our results provide rationale for novel therapeutic approaches targeting HIV cure and, more generally, suggest consideration of BCL-2 antagonism as a means of enhancing CTL immunotherapy in other settings, such as cancer.
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Biopsychosocial Mechanisms Linking Gender Minority Stress to HIV Comorbidities Among Black and Latina Transgender Women (LITE Plus): Protocol for a Mixed Methods Longitudinal Study. JMIR Res Protoc 2020; 9:e17076. [PMID: 32281542 PMCID: PMC7186865 DOI: 10.2196/17076] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 01/23/2020] [Accepted: 01/24/2020] [Indexed: 12/17/2022] Open
Abstract
Background Black and Latina transgender women (TW) experience a disparate burden of HIV and related comorbidities, including poor mental health and cardiovascular disease (CVD) risks. Pervasive multilevel stigma and discrimination operate as psychosocial stressors for TW living with HIV and shape health disparities for this population. Gender-affirming hormone therapy (GAHT) is commonly used by TW to facilitate alignment of the body with gender identity; in the context of stigma, GAHT may both improve mental health and increase CVD risks. Objective This study aims to quantify the longitudinal relationship between stigma and chronic stress among black and Latina TW living with HIV. Secondary objectives include identifying pathways linking chronic stress to HIV comorbidities and exploring chronic stress as a mediator in the pathway linking stigma and GAHT to CVD comorbidities. Methods This US-based mixed methods longitudinal study will enroll a prospective cohort of 200 black and Latina TW living with HIV, collecting quantitative survey data, qualitative interviews, and biomarkers of chronic stress. Interviewer-administered surveys will include validated psychosocial measures of self-reported stigma and discrimination, perceived stress, CVD risk factors, mental health, access to gender-affirming care, coping, and social support. Medical record abstraction will collect data on GAHT use, CD4 count, HIV viral load, antiretroviral therapy, treatment, and comorbid conditions. Clinical measures will include physiological biomarkers as well as salivary and blood-based biomarkers of chronic stress. Survey data will be collected every 6 months (baseline, and 6, 12, 18, and 24 months), and biospecimens will be collected at baseline and at 12 and 24 months. A purposive subsample (stratified by use of GAHT and presence of depressive symptoms) of 20 to 30 TW living with HIV will be invited to participate in in-depth interviews at 6 and 18 months to explore experiences of intersectional stigma, chronic stress, and the role of GAHT in their lives. Results This study was funded by the National Institute on Minority Health and Health Disparities in December 2018. The study community advisory board and scientific advisors provided critical input on study design. Recruitment began in October 2019 (n=29 participants as of submission) and data collection will continue through 2022, with publication of baseline results anticipated summer 2021. Conclusions This study will focus on black and Latina TW living with HIV, an understudied health disparities population, advance both stigma and intersectionality research, and move chronic stress physiology research toward a more nuanced understanding of sex and gender. The comprehensive methodology will support the exploration of the role of exogenous estrogen in the pathways between stress and HIV comorbidities, elucidating the role of GAHT in the stress-health relationship. Finally, this study will provide longitudinal evidence of the impact of stigma-related chronic stress on the lives of black and Latina TW living with HIV integrating qualitative and quantitative data with psychosocial, clinical, and biological measures. International Registered Report Identifier (IRRID) DERR1-10.2196/17076
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Abstract
Dothideomycetes is the largest class of kingdom Fungi and comprises an incredible diversity of lifestyles, many of which have evolved multiple times. Plant pathogens represent a major ecological niche of the class Dothideomycetes and they are known to infect most major food crops and feedstocks for biomass and biofuel production. Studying the ecology and evolution of Dothideomycetes has significant implications for our fundamental understanding of fungal evolution, their adaptation to stress and host specificity, and practical implications with regard to the effects of climate change and on the food, feed, and livestock elements of the agro-economy. In this study, we present the first large-scale, whole-genome comparison of 101 Dothideomycetes introducing 55 newly sequenced species. The availability of whole-genome data produced a high-confidence phylogeny leading to reclassification of 25 organisms, provided a clearer picture of the relationships among the various families, and indicated that pathogenicity evolved multiple times within this class. We also identified gene family expansions and contractions across the Dothideomycetes phylogeny linked to ecological niches providing insights into genome evolution and adaptation across this group. Using machine-learning methods we classified fungi into lifestyle classes with >95 % accuracy and identified a small number of gene families that positively correlated with these distinctions. This can become a valuable tool for genome-based prediction of species lifestyle, especially for rarely seen and poorly studied species.
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Key Words
- Aulographales Crous, Spatafora, Haridas & Grigoriev
- Coniosporiaceae Crous, Spatafora, Haridas & Grigoriev
- Coniosporiales Crous, Spatafora, Haridas & Grigoriev
- Eremomycetales Crous, Spatafora, Haridas & Grigoriev
- Fungal evolution
- Genome-based prediction
- Lineolataceae Crous, Spatafora, Haridas & Grigoriev
- Lineolatales Crous, Spatafora, Haridas & Grigoriev
- Machine-learning
- New taxa
- Rhizodiscinaceae Crous, Spatafora, Haridas & Grigoriev
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TCT-829 Intensity of Lipid Lowering Therapy Among Patients With Prior or New Revascularization: Insights From the GOULD Registry. J Am Coll Cardiol 2019. [DOI: 10.1016/j.jacc.2019.08.977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Antiretroviral Treatment Interruptions Among Black and Latina Transgender Women Living with HIV: Characterizing Co-occurring, Multilevel Factors Using the Gender Affirmation Framework. AIDS Behav 2019; 23:2588-2599. [PMID: 31263998 PMCID: PMC6768710 DOI: 10.1007/s10461-019-02581-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Black and Latina transgender women (BLTW) are disproportionately impacted by HIV but remain underrepresented in HIV and health services research. Between March 2016 and May 2017, BLTW (N = 201) were recruited in Baltimore, Maryland and Washington, DC through convenience sampling for a survey assessing multilevel determinants of HIV risk and treatment outcomes. Interviews concluded with a rapid oral HIV test. Bivariate and multivariable logistic regression modeling was performed to identify gender affirmation-related correlates of self-reported HIV treatment interruptions (HIVTIs) among BLTW living with HIV who had initiated antiretroviral therapy (ART) (n = 96). Among them, 57.3% (n = 55) reported at least one HIVTI. Unmet surgical needs (aOR = 1.6), past-year marijuana use (aOR = 14.6), and no current hormone use (aOR = 24.9) were significantly (p < 0.05) associated with HIVTIs in multivariable analysis. Unmet need for gender affirmation may inhibit ART adherence, highlighting opportunities to mitigate care interruptions in alignment with community needs and goals.
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Extending i2b2 into a framework for semantic abstraction of EHR to facilitate rapid development and portability of Health IT applications. AMIA JOINT SUMMITS ON TRANSLATIONAL SCIENCE PROCEEDINGS. AMIA JOINT SUMMITS ON TRANSLATIONAL SCIENCE 2019; 2019:370-378. [PMID: 31258990 PMCID: PMC6568124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The wide gap between a care provider's conceptualization of electronic health record (EHR) and the structures for electronic health record (EHR) data storage and transmission, presents a multitude of obstacles for development of innovative Health IT applications. While developers model the EHR view of the clinicians at one end, they work with a different data view to construct health IT applications. Although there has been considerable progress to bridge this gap by evolution of developer friendly standards and tools for terminology mapping and data warehousing, there is a need for a simplified framework to facilitate development of interoperable applications. To this end, we propose a framework for creating a layer of semantic abstraction on the EHR and describe preliminary work on the implementation of this framework for management of hyperlipidemia and hypertension. Our goal is to facilitate the rapid development and portability of Health IT applications.
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LIPID-LOWERING THERAPY IN DIFFERENT REGIONS OF THE UNITED STATES: INSIGHTS FROM GETTING TO AN IMPROVED UNDERSTANDING OF LOW-DENSITY LIPOPROTEIN CHOLESTEROL AND DYSLIPIDEMIA MANAGEMENT (GOULD): A REGISTRY OF HIGH CARDIOVASCULAR RISK PATIENTS IN THE UNITED STATES. J Am Coll Cardiol 2019. [DOI: 10.1016/s0735-1097(19)32440-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Efficacy and safety of statin therapy in older people: a meta-analysis of individual participant data from 28 randomised controlled trials. Lancet 2019; 393:407-415. [PMID: 30712900 PMCID: PMC6429627 DOI: 10.1016/s0140-6736(18)31942-1] [Citation(s) in RCA: 428] [Impact Index Per Article: 85.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2017] [Revised: 08/13/2018] [Accepted: 08/14/2018] [Indexed: 01/19/2023]
Abstract
BACKGROUND Statin therapy has been shown to reduce major vascular events and vascular mortality in a wide range of individuals, but there is uncertainty about its efficacy and safety among older people. We undertook a meta-analysis of data from all large statin trials to compare the effects of statin therapy at different ages. METHODS In this meta-analysis, randomised trials of statin therapy were eligible if they aimed to recruit at least 1000 participants with a scheduled treatment duration of at least 2 years. We analysed individual participant data from 22 trials (n=134 537) and detailed summary data from one trial (n=12 705) of statin therapy versus control, plus individual participant data from five trials of more intensive versus less intensive statin therapy (n=39 612). We subdivided participants into six age groups (55 years or younger, 56-60 years, 61-65 years, 66-70 years, 71-75 years, and older than 75 years). We estimated effects on major vascular events (ie, major coronary events, strokes, and coronary revascularisations), cause-specific mortality, and cancer incidence as the rate ratio (RR) per 1·0 mmol/L reduction in LDL cholesterol. We compared proportional risk reductions in different age subgroups by use of standard χ2 tests for heterogeneity when there were two groups, or trend when there were more than two groups. FINDINGS 14 483 (8%) of 186 854 participants in the 28 trials were older than 75 years at randomisation, and the median follow-up duration was 4·9 years. Overall, statin therapy or a more intensive statin regimen produced a 21% (RR 0·79, 95% CI 0·77-0·81) proportional reduction in major vascular events per 1·0 mmol/L reduction in LDL cholesterol. We observed a significant reduction in major vascular events in all age groups. Although proportional reductions in major vascular events diminished slightly with age, this trend was not statistically significant (ptrend=0·06). Overall, statin or more intensive therapy yielded a 24% (RR 0·76, 95% CI 0·73-0·79) proportional reduction in major coronary events per 1·0 mmol/L reduction in LDL cholesterol, and with increasing age, we observed a trend towards smaller proportional risk reductions in major coronary events (ptrend=0·009). We observed a 25% (RR 0·75, 95% CI 0·73-0·78) proportional reduction in the risk of coronary revascularisation procedures with statin therapy or a more intensive statin regimen per 1·0 mmol/L lower LDL cholesterol, which did not differ significantly across age groups (ptrend=0·6). Similarly, the proportional reductions in stroke of any type (RR 0·84, 95% CI 0·80-0·89) did not differ significantly across age groups (ptrend=0·7). After exclusion of four trials which enrolled only patients with heart failure or undergoing renal dialysis (among whom statin therapy has not been shown to be effective), the trend to smaller proportional risk reductions with increasing age persisted for major coronary events (ptrend=0·01), and remained non-significant for major vascular events (ptrend=0·3). The proportional reduction in major vascular events was similar, irrespective of age, among patients with pre-existing vascular disease (ptrend=0·2), but appeared smaller among older than among younger individuals not known to have vascular disease (ptrend=0·05). We found a 12% (RR 0·88, 95% CI 0·85-0·91) proportional reduction in vascular mortality per 1·0 mmol/L reduction in LDL cholesterol, with a trend towards smaller proportional reductions with older age (ptrend=0·004), but this trend did not persist after exclusion of the heart failure or dialysis trials (ptrend=0·2). Statin therapy had no effect at any age on non-vascular mortality, cancer death, or cancer incidence. INTERPRETATION Statin therapy produces significant reductions in major vascular events irrespective of age, but there is less direct evidence of benefit among patients older than 75 years who do not already have evidence of occlusive vascular disease. This limitation is now being addressed by further trials. FUNDING Australian National Health and Medical Research Council, National Institute for Health Research Oxford Biomedical Research Centre, UK Medical Research Council, and British Heart Foundation.
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Polyvascular disease, type 2 diabetes, and long-term vascular risk: a secondary analysis of the IMPROVE-IT trial. Lancet Diabetes Endocrinol 2018; 6:934-943. [PMID: 30396865 DOI: 10.1016/s2213-8587(18)30290-0] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Revised: 09/14/2018] [Accepted: 09/17/2018] [Indexed: 12/13/2022]
Abstract
BACKGROUND Polyvascular disease and type 2 diabetes are each associated with increased cardiovascular risk, but whether these risks are additive is unknown. In this exploratory analysis of a randomised trial, we explored the long-term cardiovascular risk associated with polyvascular disease, type 2 diabetes, and their combination in patients with acute coronary syndrome, and assessed the effect of ezetimibe given on top of statin therapy in patients with these concomitant conditions. METHODS IMPROVE-IT was a multicentre, double-blind, randomised, placebo-controlled trial assessing the effect of ezetimibe added to statin therapy after acute coronary syndrome. Recruitment was from Oct 26, 2005, to July 8, 2010, and the trial was done at 1158 sites in 39 countries. 18 144 patients aged 50 years and older who had been stabilised after an acute coronary syndrome were randomly assigned to 40 mg per day simvastatin plus either 10 mg per day ezetimibe or matched placebo, for a median duration of 6 years. In this post-hoc exploratory analysis, we assessed the prespecified endpoints of the trial, including the primary composite endpoint (cardiovascular death, a major coronary event [non-fatal myocardial infarction, documented unstable angina requiring hospital admission, or coronary revascularisation occurring at least 30 days after randomisation], or stroke [ischaemic or haemorrhagic]) by concomitant polyvascular disease at baseline (peripheral artery disease or previous stroke or transient ischaemic attack) and stratified by concomitant type 2 diabetes. Efficacy analyses were done according to intention to treat and event rates. IMPROVE-IT is registered with ClinicalTrials.gov, number NCT00202878. FINDINGS 1005 patients (6%) had peripheral artery disease and 1071 (6%) had stroke or transient ischaemic attack at baseline. Of these, 388 (39%) and 409 (38%) also had concomitant type 2 diabetes, respectively. At 7 years, patients with either polyvascular disease or type 2 diabetes had similar rates of the primary endpoint (39·8% and 39·9%, respectively), which were higher than patients without polyvascular disease or diabetes (29·6%). Polyvascular disease with concomitant type 2 diabetes was associated with further heightened risk (60·0% 7-year Kaplan-Meier rate, adjusted hazard ratio versus those with polyvascular disease 1·60, 95% CI 1·38-1·85; p<0·0001). Ezetimibe reduced cardiovascular risk consistently across groups with greater numerical absolute risk reductions in the highest-risk subgroups. INTERPRETATION In patients with coronary artery disease, concomitant polyvascular disease or type 2 diabetes are associated with increased long-term cardiovascular risk. The combination of polyvascular disease and diabetes is additive, resulting in very high risk. The benefit of ezetimibe is consistent in patients with and without polyvascular disease and type 2 diabetes; however, by nature of their higher risk patients with one, or especially both, of these diseases might derive the greatest absolute benefits. FUNDING Merck.
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The Dark Side of Luxury: Social Costs of Luxury Consumption. PERSONALITY AND SOCIAL PSYCHOLOGY BULLETIN 2018; 45:767-779. [DOI: 10.1177/0146167218796790] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Extant research demonstrates that luxury goods are beneficial signals that bestow upon individuals social benefits that range from positive evaluations to compliance. In contrast to this perspective, the current work explores the idea that luxury goods can carry significant negative social costs for actors. Across four experiments, the social cost of luxury is examined. Although individuals who display luxury goods are ascribed higher status, they can pay a hefty tax when it comes to warmth. The social costs of luxury consumption appear to be driven by impression management concerns rather than envy. Consequently, whether the consumption of luxury goods yields positive or negative social consequences for an actor critically depends both on whether status or warmth is relevant for a decision and observers’ own lay beliefs about luxury consumption. Overall, this work reveals the more complex psychology of individuals’ interpretation and response to actors’ use of luxury goods.
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P3180The effect of PCI complexity on the efficacy and safety of dabigatran dual therapy vs warfarin triple therapy in atrial fibrillation: a subgroup analysis from the RE-DUAL PCI trial. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p3180] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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P2298High body mass index and outcomes of dual antithrombotic therapy with dabigatran and a P2Y12 inhibitor in patients with atrial fibrillation undergoing PCI: Results from RE-DUAL PCI. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.p2298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Using Adherence Agreements in Heart Transplant Candidates: What's Important? J Heart Lung Transplant 2018. [DOI: 10.1016/j.healun.2018.01.755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
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IS IT SAFE TO SWITCH OAC IN PATIENTS WITH ATRIAL FIBRILLATION UNDERGOING PERCUTANEOUS CORONARY INTERVENTION? RESULTS FROM A RE-DUAL PCI SUBANALYSIS. J Am Coll Cardiol 2018. [DOI: 10.1016/s0735-1097(18)31747-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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DOES RENAL FUNCTION INFLUENCE THE BENEFIT OF DUAL ANTITHROMBOTIC THERAPY WITH DABIGATRAN IN PATIENTS WITH ATRIAL FIBRILLATION UNDERGOING PERCUTANEOUS CORONARY INTERVENTION? RESULTS FROM RE-DUAL PCI. J Am Coll Cardiol 2018. [DOI: 10.1016/s0735-1097(18)30855-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Long-Term Liver Safety of Lomitapide in Patients With Homozygous Familial Hypercholesterolemia: Three-Year Data from LOWER †. J Clin Lipidol 2018. [DOI: 10.1016/j.jacl.2018.03.062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Acute Thrombocytopenia in Patients Treated with the Oral Glycoprotein IIb/IIIa Inhibitors Xemilofiban and Orbofiban: Evidence for an Immune Etiology. Thromb Haemost 2017. [DOI: 10.1055/s-0037-1613330] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
SummaryThrombocytopenic episodes occurring in 18,845 patients treated with the GPIIb/IIIa inhibitors xemilofiban and orbofiban (“fibans”) were analyzed by a blinded review panel and 73 patients were classified as having “possible fiban-induced thrombocytopenia”. When the treatment codes were broken, a significant association between drug exposure and assignment to this group was found (p <0.001). Twenty-eight (82%) of 34 archived serum samples from these patients contained fiban-dependent antibodies specific for GPIIb/IIIa, but no such antibodies were found in 61 drug treated patients not classified as having “possible fiban-induced thrombocytopenia” (p <0.001). We conclude that fiban-dependent antibodies were the major cause of acute, severe thrombocytopenia in patients judged on the basis of clinical findings to have thrombocytopenia “possibly-induced” by xemilofiban and orbofiban. Measurement of drug-dependent antibodies may be helpful in determining the basis for acute thrombocytopenia in fiban-treated patients and possibly for identification of patients at risk to develop thrombocytopenia.
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Pharmacokinetics of a Slower Clearing Tissue Plasminogen Activator Variant, TNK-tPA, in Patients with Acute Myocardial Infarction. Thromb Haemost 2017. [DOI: 10.1055/s-0037-1614232] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
SummaryThe rapid clearance of t-PA from plasma requires administration by intravenous (IV) infusion. A slower clearing, fibrin-specific rt-PA variant may allow single intravenous bolus administration, thereby simplifying dosing. This study was designed to characterize the pharmacokinetics of the slower clearing, fibrin-specific tissue-plasminogen activator variant, TNK-tPA, in patients with acute myocardial infarction (AMI) following a single IV bolus injection. Single IV bolus doses of 5 to 50 mg of TNK-tPA were studied in an open-label, multicenter, dose escalation study. A total of 113 AMI patients were enrolled. Blood sampling for pharmacokinetics was conducted in eighty-two patients (72 men, 10 women), with 5 to 27 patients per dose. TNK-tPA was administered as an IV bolus over 5–10 s. Following IV bolus administration, there was a biphasic elimination of TNK-tPA from plasma. The initial phase had a mean half-life that ranged from 11 ± 5 to 20 ± 6 min and was followed by a terminal phase with a mean half-life that ranged from 41 ± 16 to 138 ± 84 min. Mean TNK-tPA plasma clearance was 125 ± 25 - 216 ± 98 ml/min, and the initial volume of distribution was 4.3 ± 2 - 8.4 ± 6 l. A decrease in TNK-tPA plasma clearance with increasing TNK-tPA dose was noted. In addition, women and patients with lower body weight or older age had a slower plasma clearance. In conclusion, TNK-tPA has a slower plasma clearance in patients with AMI than that reported for rt-PA, allowing administration as a single IV bolus.
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Low-grade gastrointestinal lymphoma in dogs: 20 cases (2010 to 2016). J Small Anim Pract 2017; 59:147-153. [DOI: 10.1111/jsap.12769] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Revised: 07/24/2017] [Accepted: 07/26/2017] [Indexed: 11/28/2022]
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LET'S AGREE TO AGREE: EVALUATION OF ADHERENCE AGREEMENTS IN PATIENTS BEING CONSIDERED FOR HEART TRANSPLANTATION. Can J Cardiol 2017. [DOI: 10.1016/j.cjca.2017.07.456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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LOWER ON-TREATMENT LOW-DENSITY LIPOPROTEIN CHOLESTEROL IS ASSOCIATED WITH LOWER CARDIOVASCULAR RISK IN VERY HIGH RISK PATIENTS WITH ATHEROSCLEROTIC CARDIOVASCULAR DISEASE: ANALYSES FROM THE ODYSSEY TRIALS. J Am Coll Cardiol 2017. [DOI: 10.1016/s0735-1097(17)33444-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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EARLY VERSUS LATE CARDIOVASCULAR EVENTS IN PATIENTS WITH TYPE 2 DIABETES MELLITUS AND ACUTE CORONARY SYNDROME: INSIGHTS FROM THE EXAMINE TRIAL. J Am Coll Cardiol 2017. [DOI: 10.1016/s0735-1097(17)33575-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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EZETIMIBE REAL-WORLD EFFECTIVENESS AT REACHING LOW-DENSITY LIPOPROTEIN GOAL AMONG PATIENTS WITH ATHEROSCLEROTIC CARDIOVASCULAR DISEASE: A RETROSPECTIVE DATABASE STUDY IN THE UNITED STATES. J Am Coll Cardiol 2017. [DOI: 10.1016/s0735-1097(17)33539-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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LOWER ON-TREATMENT LOW-DENSITY LIPOPROTEIN CHOLESTEROL IS ASSOCIATED WITH LOWER CARDIOVASCULAR RISK IN WOMEN: ANALYSES FROM THE ODYSSEY TRIALS OF ALIROCUMAB VERSUS CONTROL. J Am Coll Cardiol 2017. [DOI: 10.1016/s0735-1097(17)33566-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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AVERAGE CLINICIAN MEASURED BLOOD PRESSURE PREDICT CARDIOVASCULAR OUTCOMES IN PATIENTS WITH TYPE 2 DIABETES FOLLOWING ACUTE CORONARY SYNDROMES IN THE EXAMINE TRIAL. J Am Coll Cardiol 2017. [DOI: 10.1016/s0735-1097(17)35065-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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SERIAL ASSESSMENT OF HEART RATE AND BETA BLOCKER USE IN CHRONIC HEART FAILURE PATIENTS WITH REDUCED EJECTION FRACTION IN A LARGE INTEGRATED HEALTHCARE NETWORK. J Am Coll Cardiol 2017. [DOI: 10.1016/s0735-1097(17)34118-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Aberrant Mer receptor tyrosine kinase expression contributes to leukemogenesis in acute myeloid leukemia. Oncogene 2016; 35:6270. [PMID: 27593932 PMCID: PMC5143365 DOI: 10.1038/onc.2016.295] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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