Miscellanea. Levelek a szerkesztőhöz. Folyóirat-referátumok

Levelek a szerkesztőhöz. | Folyóirat-referátumok. Gerontológia A földre leülés és felállás képessége a bármely okú halálozás előrejelzője (Ability to sit and rise from the floor as a predictor of all-cause mortality) de Brito, L. B., Ricardo, D. R., de Araújo, D. S. et al. (Levelező szerző: Claudio Gil Soares de Araújo, Clinimex Rua Siqueira Campos, 93/101, 22031-070, Rio de Janeiro, Brazília; e-mail: [email protected].): Eur. J. Prev. Cardiol., 2014, 21 (7), 892–898. | Kardiológia A nem szteroid gyulladáscsökkentők (NSAID-ok) cardiovascularis hatásai: okozhatnak-e jelentős vérnyomás- emelkedést az NSAID-ok? [Cardiovascular effects of NSAIDs: Do nonsteroidal anti-inflammattory drugs (NSAIDs) cause a clinically significant increase in blood pressure?] Sherve, K., Gerard, C. J., Neher, J. O., et al. (Valley Family Medicine Residency, Renton, WA, Amerikai Egyesült Államok; e-mail: [email protected]): Am. Fam. Physician, 2014, 90 (4), online | Szülészet-nőgyógyászat Ultrahang a 3. trimeszterben (Ultraschall im 3. trimenon) Schmitz, R. (Klinik und Poliklinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum Münster, e-mail: [email protected]): Geburtsch. Frauenheilk., 2013, 73 (1), 42–45

Soluble Urokinase-Type Plasminogen Activator Receptor and Arterial Stiffness in Patients with COPD

Soluble urokinase-type plasminogen activator receptor (suPAR) is upregulated by inflammation and plays a role in the pathogenesis of atherosclerosis. Chronic obstructive pulmonary disease (COPD) is associated with enhanced systemic inflammation and increased risk for atherosclerosis, however, studies analysing the circulating suPAR levels in COPD are contradictory. The aim of the study was to investigate plasma suPAR concentrations together with markers of arterial stiffness in COPD.Twenty-four patients with COPD and 18 non-COPD, control subjects participated in the study. Plasma suPAR was measured, together with lung volumes, symptom burden, exacerbation history, markers of arterial stiffness and soluble inflammatory biomarkers, such as endothelin-1, high-sensitivity C-reactive protein (hsCRP), interleukin-6 (IL-6).Plasma suPAR levels were higher in COPD (2.84 ± 0.67 ng/ml vs. 2.41 ± 0.57 ng/ml, p = 0.03) and were related to lung function measured with FEV1 (r = - 0.65, p < 0.01) and symptom burden determined with the modified Medical Research Council questionnaire (r = 0.55, p < 0.05). Plasma suPAR concentrations correlated with various measures of arterial stiffness in all subjects, but only with ejection duration in COPD (r = - 0.44, p = 0.03).Plasma suPAR levels are elevated in COPD and relate to arterial stiffness. Our results suggest that suPAR may be a potential link between COPD and atherosclerosis

Practical Attacks Against Graph-based Clustering

Graph modeling allows numerous security problems to be tackled in a general way, however, little work has been done to understand their ability to withstand adversarial attacks. We design and evaluate two novel graph attacks against a state-of-the-art network-level, graph-based detection system. Our work highlights areas in adversarial machine learning that have not yet been addressed, specifically: graph-based clustering techniques, and a global feature space where realistic attackers without perfect knowledge must be accounted for (by the defenders) in order to be practical. Even though less informed attackers can evade graph clustering with low cost, we show that some practical defenses are possible.Comment: ACM CCS 201