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La sincope è una perdita di coscienza improvvisa, completa, di breve durata, con o senza prodromi e a risoluzione spontanea, che rappresenta una causa frequente di accesso in Pronto Soccorso pediatrico o presso l’ambulatorio del pediatra di famiglia. Nella maggior parte della popolazione pediatrica la sincope è vaso-vagale, condizione benigna per cui è necessaria solo terapia comportamentale. Sebbene più rara, nell’ambito della valutazione va sempre esclusa la sincope di origine cardiogena, ricercando la presenza o meno delle cosiddette bandierine rosse per sincope non vaso-vagale.

Anomalous aortic origin of coronary artery (AAOCA) is a rare condition and the second cause of sudden cardiac death among young athletic patients. Suspicion should arise in the presence of exertional syncope without prodrome, chest pain and/or dyspnea. An accurate transthoracic echocardiogram with Doppler colour flow mapping is the best and first method to identify AAOCA, followed by cardiac CT or MRI to define the coronary anatomy that could benefit from corrective cardiac surgery.

Numerosi studi hanno dimostrato la relazione fra le ondate di calore e l’aumento della mortalità osservata nella popolazione anziana di età uguale o maggiore a 65 anni (ISPRA, 2019; Ministero della Salute, Ccm, 2019). Nelle città caratterizzate da elevate percentuali di superfici impermeabili, alta densità del costruito, forti livelli di emissione di calore da autoveicolo e dalla presenza di attività industriali e produttive si osservano sostanziali incrementi della temperatura media rispetto ai valori climatici (EEA, 2016; EEA, 2017) determinando l’aumento percentuale dei tassi di mortalità. Tale scenario richiede lo sviluppo di opportuni processi metodologici e operativi necessari al controllo prestazionale degli interventi di adattamento e mitigazione alle diverse scale, a partire dalla modellazione delle caratteristiche di vulnerabilità all’ondata di calore del sistema urbano. Il contributo mira ad analizzare una metodologia sperimentale basata su processi integrati GIS-BIM, a partire da dati open source, per la definizione di interventi di riduzione della vulnerabilità all’ondata di calore del patrimonio edilizio attraverso azioni di retrofit tecnologico. Viene inoltre valutata la riduzione dei consumi energetici del costruito al fine di definire una possibile relazione tra la classe di vulnerabilità e l’efficienza energetica.

La presente invenzione ha come oggetto una montatura polifunzionale per occhiali, del tipo che consente la rapida sostituzione delle parti che la compongono. Tutti i componenti sono realizzabili con stampa ad iniezione, processo che ne rende i costi di produzione estremamente contenuti. L'assemblaggio avviene senza uso di viti o perni metallici. The present invention has as its object a multifunctional frame for eyeglasses, of the type which allows the rapid replacement of the parts that compose it. All components can be produced with injection molding, a process that makes production costs extremely low. Assembly is carried out without using screws or metal pins.

The project, taking a psychodynamic perspective, has the aims to develop a new type of narrative in-depth interview mediated by images and to evaluate its effects on narrative meaning making processes. Study 1 An exploratory study was carried on with the aim to evaluate traumatic and resilient levels and to explore in-depth meanings and representations of forced migratory experiences. Participants were 20 African asylum seekers hosted into two male Extraordinary Reception Centres (centres managed by private cooperatives and designated to the primary reception) located in the South of Italy. Participants were administered the PTSD Checklist (PCL-C) (Weathers, Litz, Herman, Huska, & Keane, 1993) and the Resilience Scale (RS) (Wagnild & Young, 1993a, b) and an in-depth interview. Results shed light into the extreme complexity of the asylum seekers experiences which need to be investigated in-depth in all their temporal phases (pre-migratory, migratory and post-migratory). There is also the need to take into account the challenges involved in using the narrative methodology in the research with this population as well as the need to develop new and more sensitive instruments able to take into account the problematic aspects of a “pure” narrative method. Study 2 Following the results obtained by the exploratory study, the second study aimed to develop a new narrative in-depth interview mediated by images in order to find a new sensitive instrument for the exploration of the forced migratory experience overall, in its all temporal phases. The development of the Asylum Seekers Images-Mediated Narrative Interview was carried out with the help of the asylum seekers themselves. A total of 40 asylum seekers hosted into two male Extraordinary Reception Centres participated in a focus group where they were asked to think about their pre-migratory, migratory and post-migratory experiences and to tell the first image/event/moment that came to their mind. The collected images were analysed through a calculation of frequencies. The most frequent images were used to choose some photographs that could be able to reflect the asylum seekers experiences. The efficacy of the chosen photographs in reflecting the asylum seekers experiences was evaluated by the asylum seekers themselves through a second focus group. Finally, once the photographs were chosen, a specific account and procedure were developed for the administering of the interview. Study 3 The third study aimed to evaluate the effects of the instrument on narrative meaning making processes. Participants of this study were 36 Nigeria male asylum seekers hosted in three Extraordinary Reception Centres. The participants were randomly divided into two groups: one experimental and one of control. Traumatic, resilient levels and post-migratory difficulties were assessed to all participants through the Harvard Trauma Questionnaire Revised (Mollica, 1992), the Connor-Davidson Resilience Scale (CD-RISC) (Connor & Davidson, 2003) and the Post-Migratory Living Difficulties Scale (PMDL) (Silove et al., 1997) in order to evaluate risk and protective factors. The experimental group was administered the images-mediated narrative interview and the control was administered an in-depth interview without images. Statistic analysis were made on quantitative data; whereas the interviews were analysed through different coding systems developed to evaluate the three principal dimensions of narrative meaning-making as highlighted by Fivush et al. (2012): internal states, coherence and reflective insight. Through an in-depth qualitative analysis of the interviews imaged-mediated, a proposal for a Grid to code the Asylum Seekers Images-Mediated Narrative Interview was also developed. Study 4 The fourth study aimed to explore in-depth meanings and representations of a small group of Nigerian female asylum seekers. The group of participants was a small but very homogeneous group of 5 Nigerian asylum seekers women. In line with the homogeneous characteristics of participants, their experiences were explored through a semi-structured interview developed and analysed on the basis of the Interpretative Phenomenological Analysis (IPA) principles (Smith, 1995). The experiences were analysed with a particular focus on the gender dimension. The implication of the whole project for the research as well as for the clinical practice will be discussed.

White matter changes are one of the several aging brain alterations. Actually, magnetic resonance imaging is the best diagnostic tool in investigation and monitoring these lesions that determine some common clinical manifestations in the elderly population

The aim of this study was to evaluate the clinical significance and the management of fetal borderline lateral cerebral ventriculomegaly.Fetuses with a sonographic diagnosis of lateral cerebral ventriculomegaly isolated or associated to other fetal malformations were followed monthly and a review of the English-language literature was made.Of 86 fetuses analyzed, 30 suffered from hydrocephaly (monolateral, bilateral), 56 showed also several other malformations . Chromosomal aberrations is possible also in case of isolated hydrocephaly. Neurological sequelae, mostly a mild to moderate delay in cognitive and/or motor development, is present in 10% of the cases.In most cases, isolated borderline lateral cerebral ventriculomegaly has no consequence. However, the risk of cerebral maldevelopment, delayed neurological development and, possibly, chromosomal aberrations is increased. The optimum management of these cases remains uncertain.

Personaggia, personagge di Nadia Setti L’invenzione della personaggia di Maria Vittoria Tessitore, Altre Modernità, No 12 (2014): MANDELA

The spread spectrum clocking (SSC) is an established, effective and efficient technique to reduce the electromagnetic interference (EMI) produced by digital chips. This method allows to reduce the level of EMI of digital circuit by intentionally sweeping the frequency of the clock signal (frequency modulated) within a certain frequency range in order to evenly spread the energy of each clock harmonic over a given bandwidth, reducing in this way the peak power level of radiated EMI. In this thesis, a novel All-digital Spread Spectrum Clock Generator (SSCG) prototype is presented in all its aspects: design, simulation and post-fabrication measurements. The circuit is realized by using a design flow completely based on standard cells simplifying design and porting in new technologies, and is able to perform both discontinuous frequency modulation or complex modulation profiles. The circuit uses four digitally controlled delay lines and two digital delay interpolator driven by a digital modulator to synthesize the output waveform A chip has been implemented in a 28nm CMOS technology. The chip is able to generate signals up to 3.3GHz. The measured peak level reduction of the clock spectrum, at 1GHz output frequency, is 27dB with a 10% modulation depth. The power dissipation is 24mW. In the second part of this thesis the first developed SSCG has been redesigned in order to allow the generation of an output clock signal with a frequency higher than the frequency of the input clock signal. To this purpose a new delay line block has been designed in order to implement the clock frequency multiplication. Furthermore, the injection locking technique is implemented by using a novel DCO-based architecture in order to improve the jitter performance of the circuit. The circuit is designed by using only standard cells and is able to generate an output clock frequency larger of 2GHz.