Using Constraint Logic Programming in Memory Synthesis for General Purpose

In this paper, we extend the set of library components which are usually considered in architectural synthesis by components with built-in chaining. For such components, the result of some internally computed arithmetic function is made available as an argument to some other function through a local connection. These components can be used to implement chaining in a data-path in a single component. Components with built-in chaining are combinatorial circuits. They correspond to ``complex gates in logic synthesis. If compared to implementations with several components, components with built-in chaining usually provide a denser layout, reduced power consumption, and a shorter delay time. Multiplier/accumulators are the most prominent example of such components. Such components require new approaches for library mapping in architectural synthesis. In this paper, we describe an IP-based approach taken in our OSCAR synthesis system

Causal effect of plasminogen activator inhibitor type 1 on coronary heart disease

Background--Plasminogen activator inhibitor type 1 (PAI-1) plays an essential role in the fibrinolysis system and thrombosis. Population studies have reported that blood PAI-1 levels are associated with increased risk of coronary heart disease (CHD). However, it is unclear whether the association reflects a causal influence of PAI-1 on CHD risk. Methods and Results--To evaluate the association between PAI-1 and CHD, we applied a 3-step strategy. First, we investigated the observational association between PAI-1 and CHD incidence using a systematic review based on a literature search for PAI-1 and CHD studies. Second, we explored the causal association between PAI-1 and CHD using a Mendelian randomization approach using summary statistics from large genome-wide association studies. Finally, we explored the causal effect of PAI-1 on cardiovascular risk factors including metabolic and subclinical atherosclerosis measures. In the systematic meta-analysis, the highest quantile of blood PAI-1 level was associated with higher CHD risk comparing with the lowest quantile (odds ratio=2.17; 95% CI: 1.53, 3.07) in an age- and sex-adjusted model. The effect size was reduced in studies using a multivariable-adjusted model (odds ratio=1.46; 95% CI: 1.13, 1.88). The Mendelian randomization analyses suggested a causal effect of increased PAI-1 level on CHD risk (odds ratio=1.22 per unit increase of log-transformed PAI-1; 95% CI: 1.01, 1.47). In addition, we also detected a causal effect of PAI-1 on elevating blood glucose and high-density lipoprotein cholesterol. Conclusions--Our study indicates a causal effect of elevated PAI-1 level on CHD risk, which may be mediated by glucose dysfunction

Genetic associations at 53 loci highlight cell types and biological pathways relevant for kidney function.

Reduced glomerular filtration rate defines chronic kidney disease and is associated with cardiovascular and all-cause mortality. We conducted a meta-analysis of genome-wide association studies for estimated glomerular filtration rate (eGFR), combining data across 133,413 individuals with replication in up to 42,166 individuals. We identify 24 new and confirm 29 previously identified loci. Of these 53 loci, 19 associate with eGFR among individuals with diabetes. Using bioinformatics, we show that identified genes at eGFR loci are enriched for expression in kidney tissues and in pathways relevant for kidney development and transmembrane transporter activity, kidney structure, and regulation of glucose metabolism. Chromatin state mapping and DNase I hypersensitivity analyses across adult tissues demonstrate preferential mapping of associated variants to regulatory regions in kidney but not extra-renal tissues. These findings suggest that genetic determinants of eGFR are mediated largely through direct effects within the kidney and highlight important cell types and biological pathways

Using Constraint Logic Programming in Memory Synthesis for General Purpose Computers

In modern computer systems the performance is dominated by the memory performance. Currently, there is neither a systematic design methodology nor a tool for the design of memory systems for general purpose computers.We present a first approach to CAD support for this crucial subtask of system level design. Dependencies between influencing factors and design decisions are explicitly represented by constraints, and constraint logic programming is used to make the design decisions. The memory design is optimized with respect to several objectives by iterating the (re)design cycle. Event driven simulation is used for evaluation of the intermediate results. The system is organized as an interactive design assistant

Assessment of the psychological situation in adults with congenital heart disease

Background: Due to advances in the diagnosis and treatment of congenital heart disease (CHD), the number of adults who are surviving with congenital heart disease (ACHD) is constantly growing. Until recently, the psychological effects of CHD had been widely neglected. Current research provides evidence for an increased risk of emotional distress in ACHD. The concept of illness identity attempts to explain how patients experience and integrate their CHD into their identities. The present study investigated illness identity in relation to clinical parameters and psychological functioning. Psychometric properties of the German version of the Illness Identity Questionnaire (IIQD) were examined. Methods: Self-reported measures on illness identity and psychological functioning (HADS-D) were assessed in a representative sample of 229 ACHD (38 +/- 12.5 (18-73) years; 45% female) at the German Heart Center Munich. Descriptive analyses and multiple regression models were conducted. Confirmatory factor analysis was performed to validate the IIQD. Results: The IIQD demonstrated good reliability. The originally-postulated four-factor structure could not be replicated. Anatomic disease complexity and functional status significantly influenced illness identity. Illness identity accounted for unique variances in depression and anxiety: Maladaptive illness identity states (i.e., , engulfment and rejection) were associated with higher emotional distress, whereas adaptive illness (i.e., , acceptance and enrichment) identity states were linked to lower emotional distress. Conclusions: Illness Identity emerged as a predictor of emotional distress in ACHD. Findings raise the possibility that interventions designed to target a patient's illness identity may improve psychological well-being and cardiac outcomes in ACHD

Current research status on the psychological situation of adults with congenital heart disease

Due to technological and medical advances the population of adults with congenital heart disease (ACHD) is growing. Worldwide, congenital heart disease (CHD) affects 1.35-1.5 million children each year and more than 90% reach adulthood. Given the heterogeneity of CHD, survivors are faced with not only complex medical but also psychological challenges which may manifest in mental health problems, such as depression, anxiety and posttraumatic stress disorder. This review focuses on the emotional dimension of CHD. More precisely, it summarizes the present state of research on the prevalence of emotional distress in ACHD. Theoretical models provide a framework for possible explanations of mental health issues in ACHD. Additionally, the review examines the relation between psychological processes and overall health considering the latest scientific findings on coping with chronic illness (illness identity). There is still insufficient knowledge on the psychosocial treatment of mental health issues in the growing population of ACHD. This review suggests a vital need to further investigate the psychological situation of ACHD on a large-scale basis in order to establish a holistic treatment approach to accommodate the patients' special needs

Fetal Bradycardia Caused by Monogenic Disorders—A Review of the Literature

Introduction: The standard obstetric definition of fetal bradycardia is a sustained fetal heart rate Methods: A literature review was conducted using a PubMed- and OMIM-based search for monogenetic disorders causing fetal bradycardia in September 2022. Results: The review on the literature identified nine monogenic diseases that could lead to fetal bradycardia. Four of these disorders can be associated with extracardiac findings. Discussion: Genetic testing should be considered in cases with fetal bradycardia, especially in cases of additional extracardiac findings. Broad sequencing techniques and improved prenatal phenotyping could help to establish a diagnosis in an increasing number of cases

Overweight and obesity: an emerging problem in patients with congenital heart disease

Due to technological and medical advances the population of adults with congenital heart disease (ACHD) is constantly growing. Worldwide, congenital heart disease (CHD) affects 1.35-1.5 million children each year and the number of ACHD meanwhile exceeds the number of CHD children. It has been found that a substantial number of ACRD present problematic health behaviors, such as physical inactivity and bad nutritional habits. Recent studies document alarming rates of overweight and obesity among CHD patients which may consequently lead to further health complications in this population. The present article focuses on the distinct psychosocial effects resulting from the diagnosis of CHD and their impact on developing disordered eating patterns and excess weight. It seeks to identify unique risk factors and relevant explanations associated with the increasing prevalence of obesity among CHD patients. This review suggests a vital need to establish clinical guidelines for nutrition and weight management in this patient population as part of a holistic treatment approach