Algoritmo diagnostico per l’identificazione delle fratture atipiche di femore

Le fratture atipiche del femore (FAF) sono delle rare fratture da stress del femore recentemente descritte e po- tenzialmente associate ad uso prolungato di bifosfonati. La loro identificazione è cruciale per la corretta gestione del paziente, considerando che presentano delle caratteristiche e dei rischi propri, che impongono un approccio multidisciplinare per il loro trattamento. La radiologia tradizionale, unita alla storia clinica, è spesso sufficiente alla diagnosi, sebbene nelle forme incomplete l’uso integrato di tecniche d’imaging più sofisticate può essere necessa - rio per una corretta diagnosi. Scopo del nostro articolo è quello di descrivere questo tipo di frattura e di proporre un algoritmo che aiuti il radiologo alla loro identificazione

Thermodynamic modelling of continental arc-adjacent magmatism: the Loicas Trough, N. Patagonia, Argentina

Continental arcs are associated with volcanism concentrated into two main belts—the main arc and back arc, often separated by fold and thrust belts. The Loicas Trough, Argentina, is a post-orogenic extensional feature that obliquely cuts the fold and thrust belts. The trough hosts large Pliocene–Holocene volcanic centres, including Domuyo and Tromen, that lie between the main arc and back arc and thus provide a rare window into this setting. We present major and trace element data for the Loicas Trough, which we combine with geochemical modelling using the Magma Chamber Simulator (MCS) to explore the origin and evolution of the volcanism. The lavas display a wide continuous range from alkaline basalts to subalkaline rhyolites. Trace elements reveal variable extents of arc enrichment (2 < Nb/U < 28), which correlate with proximity to the trench and differentiation indices. Our results and MCS models indicate that the Loicas Trough parental magmas formed from compositionally zoned mantle. Best-fit models indicate that the differentiation occurs at middle and upper crustal levels, in sharp contrast to lower crustal hot zones beneath main arcs. Assimilation of partial crustal melts drives compositional evolution and obscures source signatures. Pure or high fraction end-member partial crustal melts are also identified at Domuyo based on their low Ba (~ 250 ppm) and moderate Sc contents (~ 8 ppm). We find evidence of similar lavas in transtensional settings adjacent to continental arcs worldwide, which do not adhere to the main versus back arc volcanism binary. We suggest the term arc-adjacent magmatism, where compositions are mainly controlled by extensive assimilation and reworking in the middle to upper crust.Fil: Traun, Marie Katrine. Universidad de Copenhagen; DinamarcaFil: Waterton, Pedro. Universidad de Copenhagen; DinamarcaFil: Søager, Nina. Universidad de Copenhagen; DinamarcaFil: Waight, Tod. Universidad de Copenhagen; DinamarcaFil: Iannelli, Sofía. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Estudios Andinos "Don Pablo Groeber". Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Estudios Andinos "Don Pablo Groeber"; ArgentinaFil: Folguera Telichevsky, Andres. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Estudios Andinos "Don Pablo Groeber". Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Estudios Andinos "Don Pablo Groeber"; ArgentinaFil: Litvak, Vanesa Dafne. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Estudios Andinos "Don Pablo Groeber". Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Estudios Andinos "Don Pablo Groeber"; Argentin

Mothers' Views ofTheir Childbirth Experiences 2 Years Mter Planned Caesarean Versus Planned Vaginal Birth for Breech Presentation at Term, in the International Randomized Term Breech Trial

Objective: To compare mothers' views at 2 years postpartum after participation in a randomized trial of planned Caesarean and planned vaginal birth for a singleton fetus in breech presentation at term.Study Design: In selected centres in the Term Breech Trial, mothers completed a structured questionnaire at approximately 2 years postpartum to assess their likes and dislikes about their childbirth experiences and their views about their intrapartum care and care providers.Results: Of 1159 mothers from 85 centres, 917 (79.1%) completed a follow-up questionnaire at 2 years postpartum. Baseline information was similar for both the planned Caesarean and planned vaginal birth groups. Planned Caesarean was associated with less worry about the baby's health (P < 0.001 ). While other differences were noted in likes and dislikes about their childbirth experiences, women's evaluations of the quality of intrapartum care, the helpfulness of staff, and their involvement in decision-making did not differ in the planned Caesarean delivery and planned vaginal birth groups.Conclusion: Planned mode of delivery influences aspects of women's evaluations of their childbirth experiences but does not affect evaluations of the quality of intrapartum care, support from care providers, or amount of involvement in decision-making