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Interrater reliability was almost perfect with a Fleiss kappa of 0.833 (95% confidence interval [CI] 0.83-0.835) for DECT, compared with 0.780 (95% CI 0.778-0.782) for standard CT. For overall detection accuracy of IVD, DECT achieved 91.0% sensitivity (95% CI 83.6-95.8) and 92.0% specificity (95% CI 80.8-97.8). Standard CT showed 91.0% sensitivity (95% CI 83.6-95.8) and 78.0% specificity (95% CI 64.0-88.5). DECT reliably identified IVD damage in an ex vivo biophantom. Clinical examples of patients with different lesions illustrate the accurate depiction of IVD microstructure. These data emphasize the diagnostic potential of DECT cMaps. DECT reliably identified IVD damage in an ex vivo biophantom. Clinical examples of patients with different lesions illustrate the accurate depiction of IVD microstructure. These data emphasize the diagnostic potential of DECT cMaps.Background The incidence of ischemic stroke has increased among adults aged 18 to 64 years, yet little is known about relationships between specific risk factors and outcomes. This study investigates in-hospital and long-term outcomes in patients with stroke aged less then 65 years with preexisting diabetes mellitus. Methods and Results Consecutive patients aged less then 65 years admitted to comprehensive stroke centers for acute ischemic stroke between 2003 and 2013 were identified from the Ontario Stroke Registry. Multinomial logistic regression was used to estimate adjusted odds ratio (OR [95% CI]) of in-hospital mortality or direct discharge to long-term or continuing care. Cox proportional hazards regression was used to estimate the adjusted hazards ratio (aHR [95% CI]) of long-term mortality, readmission for stroke/transient ischemic attack, admission to long-term care, and incident dementia. Predefined sensitivity analyses examined stroke outcomes among young (aged 18-49 years) and midlife (aged 50-65 years) subgroups. Among 8293 stroke survivors (mean age, 53.6±8.9 years), preexisting diabetes mellitus was associated with a higher likelihood of in-hospital death (adjusted OR, 1.46 [95% CI, 1.14-1.87]) or direct discharge to long-term care (adjusted OR, 1.65 [95% CI, 1.07-2.54]). Among stroke survivors discharged (N=7847) and followed up over a median of 6.3 years, preexisting diabetes mellitus was associated with increased hazards of death (aHR, 1.68 [95% CI, 1.50-1.88]), admission to long-term care (aHR, 1.57 [95% CI, 1.35-1.82]), readmission for stroke/transient ischemic attack (aHR, 1.37 [95% CI, 0.21-1.54]), and incident dementia (aHR, 1.44 [95% CI, 1.17-1.77]). Only incident dementia was not increased for young stroke survivors. Conclusions Focused secondary prevention and risk factor management may be needed to address poor long-term outcomes for patients with stroke aged less then 65 years with preexisting diabetes mellitus.Background In sepsis, circulating cytokines and lipopolysaccharide elicit mitochondrial dysfunction and cardiomyopathy, a major cause of morbidity and mortality with this condition. Emerging research places the PHB1 (lipid raft protein prohibitin-1) at the nexus of inflammation, metabolism, and oxidative stress. PHB1 has also been reported in circulation, though its function in this compartment is completely unknown. Methods and Results Using a wide-ranging approach across multiple in vitro and in vivo models, we interrogated the functional role of intracellular and circulating PHB1 in the heart during sepsis, and elucidated some of the mechanisms involved. Upon endotoxin challenge or sepsis induction in rodent models, PHB1 translocates from mitochondria to nucleus in cardiomyocytes and is secreted into the circulation from the liver in a manner dependent on nuclear factor (erythroid-derived 2)-like 2, a key transcriptional regulator of the antioxidant response. Overexpression or treatment with recombinant human PHB1 enhances the antioxidant/anti-inflammatory response and protects HL-1 cardiomyocytes from mitochondrial dysfunction and toxicity from cytokine stress. Importantly, administration of recombinant human PHB1 blunted inflammation and restored cardiac contractility and ATP production in mice following lipopolysaccharide challenge. This cardioprotective, anti-inflammatory effect of recombinant human PHB1 was determined to be independent of nuclear factor (erythroid-derived 2)-like 2, but partially dependent on PI3K/AKT signaling in the heart. Conclusions These findings reveal a previously unknown cardioprotective effect of PHB1 during sepsis, and illustrate a pro-survival, protective role for PHB1 in the circulation. Exploitation of circulating PHB1 as a biomarker and/or therapeutic could have widespread benefit in the clinical management of sepsis and other severe inflammatory disorders.Background We describe calendar time trends of patients with simple congenital heart disease. https://www.selleckchem.com/products/ku-0060648.html Methods and Results Using the nationwide Danish registries, we identified individuals diagnosed with isolated ventricular septal defect, atrial septal defect, patent ductus arteriosus, or pulmonary stenosis during 1977 to 2015, who were alive at 5 years of age. We reported incidence per 1 000 000 person-years with 95% CIs, 1-year invasive cardiac procedure probability and age at time of diagnosis stratified by diagnosis age (children ≤18 years, adults >18 years), and 1-year all-cause mortality stratified by diagnosis age groups (5-30, 30-60, 60+ years). We identified 15 900 individuals with simple congenital heart disease (ventricular septal defect, 35.2%; atrial septal defect, 35.0%; patent ductus arteriosus, 25.2%; pulmonary stenosis, 4.6%), of which 75.7% were children. From 1977 to 1986 and 2007 to 2015, the incidence rates increased for atrial septal defect in adults (8.8 [95% CI, 7.1-10.5] to 31.8 [95% CI, 29.2-34.5]) and in children (26.6 [95% CI, 20.9-32.3] to 150.8 [95% CI, 126.5-175.0]). An increase was only observed in children for ventricular septal defect (72.1 [95% CI, 60.3-83.9] to 115.4 [95% CI, 109.1-121.6]), patent ductus arteriosus (49.2 [95% CI, 39.8-58.5] to 102.2 [95% CI, 86.7-117.6]) and pulmonary stenosis (5.7 [95% CI, 3.0-8.3] to 21.5 [95% CI, 17.2-25.7]) while the incidence rates remained unchanged for adults. From 1977-1986 to 2007-2015, 1-year mortality decreased for all age groups (>60 years, 30.1%-9.6%; 30-60 years, 9.5%-1.0%; 5-30 years, 1.9%-0.0%), and 1-year procedure probability decreased for children (13.8%-6.6%) but increased for adults (13.3%-29.6%) were observed. Conclusions Increasing incidence and treatment and decreasing mortality among individuals with simple congenital heart disease point toward an aging and growing population. Broader screening methods for asymptomatic congenital heart disease are needed to initiate timely treatment and follow-up.
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