1. Aggressive anticancer treatment in the last 2 weeks of lifeNena Golob, Teja Oblak, Luka Čavka, Maša Kušar, Boštjan Šeruga, 2024, original scientific article Abstract: Background: There is a concern that terminally ill cancer patients may be aggressively treated due to the rapidly growing possibilities of anticancer treatment. The aim of this study was to evaluate the use of anticancer treatment at the end of life (EoL). Materials and methods: This retrospective study included adult patients with advanced solid cancers who were treated at the Institute of Oncology Ljubljana and died of cancer between January 2015 and December 2019. A multiple logistic regression model was used to assess an association between the aggressiveness of anticancer treatment (i.e. systemic therapy, radiotherapy and surgery) in the last 2 weeks of life and year of death, age at death, sex, prognosis of cancer and enrolment into the specialist palliative care (SPC). Results: We included 1736 patients in our analysis. Overall, 13.7% of patients were enrolled into the SPC and 14.4% received anticancer treatment in the last 2 weeks of life. The odds of receiving anticancer treatment significantly increased over time [odds ratio (OR) 1.15, 95% confidence interval (CI) 1.04-1.27]. There was an increased use of novel systemic therapy (e.g. small-molecule targeted therapy and immunotherapy) at the EoL. Older patients had significantly lower odds to receive anticancer treatment in the last 2 weeks of life as compared to younger patients (OR 0.96, 95% CI 0.95-0.98). As compared to patients receiving only a standard oncology care, those also enrolled into the SPC had significantly lower odds for anticancer treatment in the last 2 weeks of life (OR 0.22, 95% CI 0.12-0.43). Conclusions: Terminally ill cancer patients have increased odds for receiving anticancer treatment, especially novel systemic therapies, in the last 2 weeks of life. Younger patients and those not enrolled into the SPC are at particular risk for anticancer treatment at the EoL
Keywords: systemic therapy, aggressive treatment, anticancer drugs, palliative care
Published in DiRROS: 18.04.2024; Views: 20; Downloads: 10
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2. Enhancing balance in Parkinson’s disease patients : a comprehensive literature review on the efficacy of exercise in an enriched environmentAna Ponebšek, Friderika Kresal, Luka Šlosar, 2023, review article Abstract: Various physiotherapeutic methods and approaches play a significant role in the
treatment of patients with Parkinson’s disease, including the use of enriched environments. Virtual reality (VR) as a type of enriched environment has the potential to create
multiple sensory experiences and feedback, influencing various aspects of the patient’s
information processing and response. The suitability for home use and the considerable impact on motivation highlight its advantages over alternative approaches. The
objective of this review is to investigate the impact of VR-based exercise on balance
outcomes among individuals with Parkinson’s disease. The inclusion criteria consisted Parkinson’s disease. The comparable improvements in balance observed between the
experimental and control groups signify the potential effectiveness of VR-based exercises. This underscores the encouragement for further development in this technology,
particularly focusing on fully immersive VR environments, which may yield superior
effects in enhancing balance among individuals with Parkinson’s disease.
of randomized controlled trials (RCTs) that examined the effects of exercise in a VR
environment on individuals’ static and dynamic balance outcomes. In order to gather
relevant studies, we conducted a comprehensive search across three databases. From a
dataset of 625 records, we conducted a comprehensive full-text screening based on specific inclusion and exclusion criteria. This process resulted in the inclusion of 14 RCTs
in our review. The emerging evidence regarding exercising in a VR environment does
not definitively prove its superiority over standard exercise routines. However, studies
have demonstrated that both the experimental and control groups showed comparable improvements in enhancing static and dynamic balance among individuals with
Keywords: virtual reality, Parkinson's disease, balance, rehabilitation
Published in DiRROS: 16.04.2024; Views: 35; Downloads: 11
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3. Wandering domains arising from Lavaurs maps with Siegel disksMatthieu Astorg, Luka Boc Thaler, Han Peters, 2023, original scientific article Abstract: The first example of polynomial maps with wandering domains was constructed in 2016 by the first and last authors, together with Buff, Dujardin and Raissy. In this paper, we construct a second example with different dynamics, using a Lavaurs map with a Siegel disk instead of an attracting fixed point. We prove a general necessary and sufficient condition for the existence of a trapping domain for nonautonomous compositions of maps converging parabolically towards a Siegel-type limit map. Constructing a skew-product satisfying this condition requires precise estimates on the convergence to the Lavaurs map, which we obtain by a new approach. We also give a self-contained construction of parabolic curves, which are integral to this new method.
Keywords: Fatou sets, holomorphic dynamics, parabolic implosion, polynomial mappings, skew-products, wandering Fatou components, parabolic curves, nonautonomous dynamics
Published in DiRROS: 09.04.2024; Views: 62; Downloads: 26
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6. Metal–support interaction between titanium oxynitride and Pt nanoparticles enables efficient low-Pt-loaded high-performance electrodes at relevant oxygen reduction reaction current densitiesArmin Hrnjić, Ana Rebeka Kamšek, Lazar Bijelić, Anja Logar, Nik Maselj, Milutin Smiljanić, Jan Trputec, Natan Vovk, Luka Pavko, Francisco Ruiz-Zepeda, Marjan Bele, Primož Jovanovič, Nejc Hodnik, 2024, original scientific article Published in DiRROS: 04.03.2024; Views: 109; Downloads: 49
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7. B-IMPACT project : eco-friendly and non-hazardous coatings for the protection of outdoor bronzesGiulia Masi, Maëlenn Aufray, A. Balbo, E. Bernardi, Maria Chiara Bignozzi, Cristina Chiavari, J. Esvan, Nina Gartner, V. Grassi, Claudie Josse, Tadeja Kosec, Carla Martini, Cecilia Monticelli, Luka Škrlep, W. Sperotto, Erika Švara Fabjan, E. Tedesco, F. Zanotto, Luc Robbiola, 2020, published scientific conference contribution Abstract: Application of protective coatings is the most widely used conservation treatment for outdoor bronzes. Eco-friendly and non-hazardous coatings are currently needed for conservation of outdoor bronze monuments. To fulfil this need, the M-ERA.NET European research project B-IMPACT (Bronze-IMproved non-hazardous PAtina CoaTings) aimed at assessing the protectiveness of innovative coatings for historical and modern bronze monuments exposed outdoors.
In this project, two bronze substrates (historical Cu-Sn-Zn-Pb and modern Cu-Si-Mn alloys) were artificially patinated, by acid rain solution using dropping test and by "liver of sulphur" procedure (K2S aqueous solution) to obtain black patina, respectively. Subsequently, the application of several newly developed protective coatings was carried out and their performance was investigated by preliminary electrochemical tests. In the following steps of the work, the assessment of the best-performing coatings was carried out and their performance was compared to Incralac, one of the most widely used protective coatings in conservation practice. A multi-analytical approach was adopted, considering artificial ageing (carried out in representative conditions, including exposure to rain runoff, stagnant rain and UV radiation) and metal release, as well as visual aspect (so as to include aesthetical impact among the coating selection parameters) and morphological and structural evolution of the coated surfaces due to simulated outdoor exposure. Lastly, also the health impact of selected coatings was assessed by occupational hazard tests. The removability and re-applicability of the best-performing coatings were also assessed. The best alternatives to the conventional Incralac exhibited were: (i) fluoroacrylate blended with methacryloxy-propyl-trimethoxy-silane (FA-MS) applied on patinated Cu-Sn-Zn-Pb bronze and (ii) 3-mercapto-propyl-trimethoxysilane (PropS-SH) applied on patinated Cu-Si-Mn bronze.
Keywords: bronze, patina, protective coatings, eco-friendly, corrosion, aging
Published in DiRROS: 01.03.2024; Views: 109; Downloads: 56
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8. Microstructure and properties variation of high-performance grey cast iron via small boron additionsGrega Klančnik, Jaka Burja, Urška Klančnik, Barbara Šetina, Luka Krajnc, Andrej Resnik, 2024, original scientific article Keywords: boron, cast iron, solidification, thermal analysis, Thermo-Calc
Published in DiRROS: 07.02.2024; Views: 151; Downloads: 63
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10. Impact assessment of the Gajke and Brstje landfills on groundwater status using stable and radioactive isotopesSonja Cerar, Luka Serianz, Polona Vreča, Marko Štrok, Tjaša Kanduč, 2023, original scientific article Abstract: Waste disposal in landfills represents a severe threat to aquatic environments on the local, regional, and global levels. In Slovenia, there are 69 registered landfills where groundwater is regularly monitored. However, isotope techniques are not regularly employed. Therefore, we employed isotope analysis of hydrogen, carbon, and oxygen in combination with total alkalinity to assess the impact of the selected landfill on groundwater and to evaluate the biogeochemical processes at work. The δ18O, δ2H, δ13CDIC, 3H activity and total alkalinity were determined in October 2020 at 12 sampling points from the surrounding area of the Gajke and Brstje landfills and leachate from the Gajke landfill. The δ18O (-9.24 ± 0.3 ‰) and δ2H (-64.9 ± 2.7 ‰) in groundwater indicate that the main water source consists in direct infiltration of precipitation, with no significant isotopic fractionation. Total alkalinity in the investigated area ranges from 5.45 to 73 mM and δ13CDIC from –14.9 to +6.1 ‰, respectively. Higher values of total alkalinity (up to 73 mM), δ13CDIC (up to +6.1 ‰), δ18O (-7.64 ‰) and 3H (209.8 TU) are detected in the leachate, indicating biogeochemical process related to CO2 reduction or methanogenesis. Methanogenesis could be present at locations GAP-10/13 (Brstje landfill) and G-2 (Gajke landfill) with δ13CDIC values ranging from –8.2 to –7.6 ‰ and with dissolved oxygen values around 0 % and elevated 3H values (from 16 to 18 TU). This study demonstrates the effectiveness of isotopic analysis as a valuable tool for monitoring landfills, revealing shifts in biogeochemical processes within the groundwater there.
Keywords: groundwater, monitoring, landfill, stable isotopes, tritium, Gajke, Brstje
Published in DiRROS: 16.01.2024; Views: 168; Downloads: 60
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