A Geometric Environment for Building up Loops

We start from the embedding of the Klein model of a hyperbolic plane H over a Euclidean field K in its direct motion group G := PSL_2 (K) and of both in PG(3, K). We present a geometric procedure to obtain loops which are related to suitable regular subsets of direct motions as transversals of the coset space G/D, where D is the subgroup of hyperbolic rotations fixing a given point o ∈ H. We investigate some properties of such loops and we determine their automorphism groups

Prognostic role of atrial fibrillation in acute coronary syndromes: a real-life, contemporary analysis

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A patient-centered multidisciplinary cardiac rehabilitation program improves glycemic control and functional outcome in coronary artery disease after percutaneous and surgical revascularization

Background: Cardiac rehabilitation (CR) is strongly associated with all-cause mortality reduction in patients with coronary artery disease (CAD). The impact of CR on pathological risk factors, such as impaired glucose tolerance (IGT), and functional recovery remains under debate. The aim of the present study is to determine whether CR has a positive effect on physical exercise improvement and on pathological risk factors in IGT and diabetic patients with CAD. Methods: One hundred and seventy-one consecutive patients participating in a 3-month CR from January 2014 to June 2015 were enrolled. The primary endpoint was defined as an improvement of peak workload and VO2-peak; glycated hemoglobin (HbA1c) reduction was considered as a secondary endpoint. Results: Euglycemic patients presented a significant improvement in peak workload compared to diabetic patients (from 5.75 ± 1.45 to 6.65 ± 1.84 METs, p = 0.018 vs. 4.8 ± 0.8 to 4.9 ± 1.4 METs). VO2-peak improved in euglycemic patients (VO2-peak from 19.3 ± 5.3 mL/min/kg to 22.5 ± 5.9, p = 0.003), while diabetic patients did not present  a  statistically significant trend (VO2-peak from 16.9 ± 4.4 mL/min/kg to 18.0 ± 3.8, p < 0.056). Diabetic patients have benefited more in terms of blood glucose control compared to IGT patients (HbA1c from 7.7 ± 1.0 to 7.4 ± 1.1 compared to 5.6 ± 0.4 to 5.9 ± 0.5, p = 0.02, respectively). Conclusions: A multidisciplinary CR program improves physical functional capacity in CAD setting, particularly in euglycemic patients. IGT patients as well as diabetic patients may benefit from a CR program, but long-term outcome needs to be clarified in larger studies

A construction of loops by means of regular permutation sets

Following the slid product construction for loops with inverses of [Pasotti, S. and E. Zizioli, Loops with two-sided inverses constructed by a class of regular permutation sets, J. Geom. 100 (2011), pp. 129–145. URL http://dx.doi.org/10.1007/s00022-011-0071-5], we present here the general setting ensuring the construction of a new loop (L,+) starting from loops (K,+), (P,+') and (P,+) possessing suitable properties. The results established in the aforementioned note are generalized as well. Moreover we investigate the nuclei of L and the normality of subloops isomorphic to (K,+) and (P,+')

Loops with two-sided inverses constructed by a class of regular permutation sets

In this paper we present a technique for building a new loop starting from the loops (K,+), (P.+') and (P , +) fulfilling suitable conditions, generalizing the construction presented in Zizioli (J Geom 95(1–2) 173–186, 2009) where K=Z_2 or K=Z_3 and (P , +) is an abelian group. We investigate the dependence of the properties of the new loop on the corresponding properties of the initial ones (associativity, Bol condition, automorphic inverse property, Moufang condition), and we provide some examples

Sex and gender medicine: the foundation of gender medicine

"Sex and gender medicine" is the original name of gender medicine. It is important to define medical concepts without ignoring key terminology. The purpose of "sex and gender medicine" is to focus on both sex and gender differences, to analyze how these two sides of the human being overlap and, finally, to improve their medical understanding. On the one hand sex, besides defining male and female, refers to the biological differences among humans, animals, tissues and cells. On the other, the concept of gender is applicable only to humans, and includes identity, roles and relations in the society. However, despite its 20 years of history, gender medicine is still little known. Biological differences among cardiovascular diseases are ignored. Symptoms and their expressions, which may be different in women, are often described as "atypical" because of the masculine vision of the heart attack and pain. Similarly, anxious syndrome is often conceived as the first reason to explain chest discomfort in women. In reality, prejudices and vagueness around women still dominate prevention and medical treatment. Our objective is to distinguish the concepts of sex and gender in order to understand the best way to face differences and medical knowledge in both