8 research outputs found
Trends in P2Y12 Receptor Inhibitor Use and Adherence After Percutaneous Coronary Intervention, 2008-2016
Post-angioplasty, patient adherence to recommended antiplatelet therapy decreased when newer, more expensive drugs were introduced. From 2008-2016, as the use of newer agents increased, the proportion of patients not filling any antiplatelet prescription within 30 days of discharge increased from 6.4% to 19.1%. In the subsequent 12 months, the newer drugs were associated with higher patient costs and lower adherence to recommended therapy
Rationalizing meat consumption:The 4Ns
Recent theorizing suggests the 4Nsâthat is, the belief that eating meat is natural, normal, necessary, and niceâare common rationalizations people use to defend their choice of eating meat. However, such theorizing has yet to be subjected to empirical testing. Six studies were conducted on the 4Ns. Studies 1a-1b demonstrated that the 4N classification captures the vast majority (83%-91%) of justifications people naturally offer in defense of eating meat. In Study 2, individuals who endorsed the 4Ns tended also to objectify (dementalize) animals and included fewer animals in their circle of moral concern, and this was true independent of social dominance orientation. Subsequent studies (Studies 3-5) showed that individuals who endorsed the 4Ns tend not to be motivated by ethical concerns when making food choices, are less involved in animal-welfare advocacy, less driven to restrict animal products from their diet, less proud of their animal-product decisions, tend to endorse Speciesist attitudes, tend to consume meat and animal products more frequently, and are highly committed to eating meat. Furthermore, omnivores who strongly endorsed the 4Ns tended to experience less guilt about their animal-product decisions, highlighting the guilt-alleviating function of the 4Ns
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Predicting Long Term Outcome in Patients Treated With Continuous Flow Left Ventricular Assist Device: The PennâColumbia Risk Score
Background: Predicting which patients are unlikely to benefit from continuous flow left ventricular assist device (LVAD) treatment is crucial for the identification of appropriate patients. Previously developed scoring systems are limited to past eras of device or restricted to specific devices. Our objective was to create a risk model for patients treated with continuous flow LVAD based on the preimplant variables. Methods and Results: We performed a retrospective analysis of all patients implanted with a continuous flow LVAD between 2006 and 2014 at the University of Pennsylvania and included a total of 210 patients (male 78%; mean age, 56±15; mean followâup, 465±486 days). From all plausible preoperative covariates, we performed univariate Cox regression analysis for covariates affecting the odds of 1âyear survival following implantation (P<0.2). These variables were included in a multivariable model and dropped if significance rose above P=0.2. From this base model, we performed stepâwise forward and backward selection for other covariates that improved power by minimizing Akaike Information Criteria while maximizing the Harrell Concordance Index. We then used KaplanâMeier curves, the logârank test, and Cox proportional hazard models to assess internal validity of the scoring system and its ability to stratify survival. A final optimized model was identified based on clinical and echocardiographic parameters preceding LVAD implantation. Oneâyear mortality was significantly higher in patients with higher risk scores (hazard ratio, 1.38; P=0.004). This hazard ratio represents the multiplied risk of death for every increase of 1 point in the risk score. The risk score was validated in a separate patient cohort of 260 patients at Columbia University, which confirmed the prognostic utility of this risk score (P=0.0237). Conclusion: We present a novel risk score and its validation for prediction of longâterm survival in patients with current types of continuous flow LVAD support
Incidence and risk factors for the development of anemia following gastric bypass surgery
AIM: To evaluate the incidence and risk factors for the development of anemia after Roux-en-Y gastric bypass (RYGB)
T1608 Incidence and Risk Factors for the Development of Anemia Following Roux-en-Y Gastric Bypass Surgery for Morbid Obesity
The effect of transfusion of blood products on ventricular assist device support outcomes
AimsPerioperative blood transfusions are common among patients undergoing left ventricular assist device (LVAD) implantation. The association between blood product transfusion at the time of LVAD implantation and mortality has not been described.Methods and resultsThis was a retrospective cohort study of all patients who underwent continuous flow LVAD implantation at a single, large, tertiary care, academic centre, from 2008 to 2014. We assessed used of packed red blood cells (pRBCs), platelets, and fresh frozen plasma (FFP). Outcomes of interest included allâcause mortality and acute right ventricular (RV) failure. Standard regression techniques were used to examine the association between blood product exposure and outcomes of interest. A total of 170 patients were included in this study (mean age: 56.5 ± 15.5 years, 79.4% men). Over a median followâup period of 11.2 months, for every unit of pRBC transfused, the hazard for mortality increased by 4% [hazard ratio (HR) 1.04; 95% CI 1.02â1.07] and odds for acute RV failure increased by 10% (odds ratio 1.10; 95% CI 1.05â1.16). This association persisted for other blood products including platelets (HR for mortality per unit 1.20; 95% CI 1.08â1.32) and FFP (HR for mortality per unit 1.08; 95% CI 1.04â1.12). The most significant predictor of perioperative blood product exposure was a lower preâimplant haemoglobin.ConclusionsPerioperative blood transfusions among patients undergoing LVAD implantation were associated with a higher risk for allâcause mortality and acute RV failure. Of all blood products, FFP use was associated with worst outcomes. Future studies are needed to evaluate whether preâimplant interventions, such as intravenous iron supplementation, will improve the outcomes of LVAD candidates by decreasing need for transfusions.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/163910/1/ehf212780.pdfhttp://deepblue.lib.umich.edu/bitstream/2027.42/163910/2/ehf212780_am.pd
The effect of transfusion of blood products on ventricular assist device support outcomes
AimsPerioperative blood transfusions are common among patients undergoing left ventricular assist device (LVAD) implantation. The association between blood product transfusion at the time of LVAD implantation and mortality has not been described.Methods and resultsThis was a retrospective cohort study of all patients who underwent continuous flow LVAD implantation at a single, large, tertiary care, academic centre, from 2008 to 2014. We assessed used of packed red blood cells (pRBCs), platelets, and fresh frozen plasma (FFP). Outcomes of interest included allâcause mortality and acute right ventricular (RV) failure. Standard regression techniques were used to examine the association between blood product exposure and outcomes of interest. A total of 170 patients were included in this study (mean age: 56.5 ± 15.5 years, 79.4% men). Over a median followâup period of 11.2 months, for every unit of pRBC transfused, the hazard for mortality increased by 4% [hazard ratio (HR) 1.04; 95% CI 1.02â1.07] and odds for acute RV failure increased by 10% (odds ratio 1.10; 95% CI 1.05â1.16). This association persisted for other blood products including platelets (HR for mortality per unit 1.20; 95% CI 1.08â1.32) and FFP (HR for mortality per unit 1.08; 95% CI 1.04â1.12). The most significant predictor of perioperative blood product exposure was a lower preâimplant haemoglobin.ConclusionsPerioperative blood transfusions among patients undergoing LVAD implantation were associated with a higher risk for allâcause mortality and acute RV failure. Of all blood products, FFP use was associated with worst outcomes. Future studies are needed to evaluate whether preâimplant interventions, such as intravenous iron supplementation, will improve the outcomes of LVAD candidates by decreasing need for transfusions.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/163910/1/ehf212780.pdfhttp://deepblue.lib.umich.edu/bitstream/2027.42/163910/2/ehf212780_am.pd