36 research outputs found
PAVAL: A location-aware virtual personal assistant for retrieving geolocated points of interest and location-based services
Smart City Digital Twin Framework for Real-Time Multi-Data Integration and Wide Public Distribution
Digital Twins are digital replica of real entities and are becoming
fundamental tools to monitor and control the status of entities, predict their
future evolutions, and simulate alternative scenarios to understand the impact
of changes. Thanks to the large deployment of sensors, with the increasing
information it is possible to build accurate reproductions of urban
environments including structural data and real-time information. Such
solutions help city councils and decision makers to face challenges in urban
development and improve the citizen quality of life, by ana-lysing the actual
conditions, evaluating in advance through simulations and what-if analysis the
outcomes of infrastructural or political chang-es, or predicting the effects of
humans and/or of natural events. Snap4City Smart City Digital Twin framework is
capable to respond to the requirements identified in the literature and by the
international forums. Differently from other solutions, the proposed
architecture provides an integrated solution for data gathering, indexing,
computing and information distribution offered by the Snap4City IoT platform,
therefore realizing a continuously updated Digital Twin. 3D building models,
road networks, IoT devices, WoT Entities, point of interests, routes, paths,
etc., as well as results from data analytical processes for traffic density
reconstruction, pollutant dispersion, predictions of any kind, what-if
analysis, etc., are all integrated into an accessible web interface, to support
the citizens participation in the city decision processes. What-If analysis to
let the user performs simulations and observe possible outcomes. As case of
study, the Digital Twin of the city of Florence (Italy) is presented. Snap4City
platform, is released as open-source, and made available through GitHub and as
docker compose
Perianal Crohn's disease and hidradenitis suppurativa: a possible common immunological scenario
Crohn's disease (CD) and Hidradenitis suppurativa (HS) are both chronic inflammatory diseases. The pathogenesis of these diseases is multifactorial, due to the interaction of genetic and environmental factors leading to a deregulated local immune response where T lymphocytes play a major role. To the best of our knowledge, no previous study has clarified whether the pathogenetic mechanism of perianal CD and HS is the same. We therefore analyzed the cellular expression pattern and the cytokine repertoire in three patients suffering from both perianal CD and HS
Investigating the Role of Circulating miRNAs as Biomarkers in Colorectal Cancer: An Epidemiological Systematic Review
Colorectal cancer (CRC) is one of the most common cancers worldwide. Primary and secondary preventions are key to reducing the global burden. MicroRNAs (miRNAs) are a group of small non-coding RNA molecules, which seem to have a role either as tumor suppressor genes or oncogenes and to be related to cancer risk factors, such as obesity and inflammation. We conducted a systematic review and meta-analysis to identify circulating miRNAs related to CRC diagnosis that could be selected as biomarkers in a meet-in-the-middle analysis. Forty-four studies were included in the systematic review and nine studies in the meta-analysis. The pooled sensitivity and specificity of miR-21 for CRC diagnosis were 77% (95% CI: 69â84) and 82% (95% CI: 70â90), respectively, with an AUC of 0.86 (95% CI: 0.82â0.88). Several miRNAs were found to be dysregulated, distinguishing patients with CRC from healthy controls. However, little consistency was present across the included studies, making it challenging to identify specific miRNAs, which were consistently validated. Understanding the mechanisms by which miRNAs become biologically embedded in cancer initiation and promotion may help better understand cancer pathways to develop more effective prevention strategies and therapy approaches
Sutureless laparoscopic partial nephrectomy using fibrin gel reduces ischemia time while preserving renal function
Objectives: We evaluated the efficacy of sutureless laparoscopic partial nephrectomy (LPN), using a fibrin gel in order to minimize renal ischemia time and preserve kidney function.
Materials and Methods: Nineteen patients (mean age 58.3 ± 7.1) undergoing sutureless LPN using a fbrin gel were compared with a control group consisting of 21 patients (mean age 57.9 ± 7.5) subjected to LPN with standard suturing. Intraand post-operative data for the two groups were compared. The following parameters were recorded: patient demographics, Charlson Comorbidity Index, tumor characteristics according to the RENAL score, warm ischemia and operative times, estimated blood loss, mean hospital stay, post-operative complications referring to the Clavien-Dindo classification, renal function parameters pathologic and follow-up data. The main outcome measure was renal ischemia time and maintenance of kidney function.
Results: Median warm ischemia time was 13 minutes (range 11-19) in the group treated with fibrin gel and 19 (range 17- 29) in the control group, with a statistically significant difference (p < 0.001). The two groups were homogeneous in terms of the Charlson Comorbidity Index (4.6 vs 4.8) and RENAL score (9.6 vs 9.4). Median operative time differed significantly in the two groups, 183 minutes (range 145-218) in the group treated with fibrin gel and 201 (range 197-231) in the control group (p < 0.001). A negative surgical margin was reported in 18 patients (94.7%) in the group treated with fibrin gel and in 21 patients (100%) in the control group. No difference in renal function was found between the two groups.
Conclusions: Sutureless LPN with fibrin gel can reduce warm ischemia and total operative time while preserving kidney function
Androgen receptor regulation of the seladin-1/DHCR24 gene: altered expression in prostate cancer.
Post-Transplant Cyclophosphamide and TacrolimusâMycophenolate Mofetil Combination Prevents Graft-versus-Host Disease in Allogeneic Peripheral Blood Hematopoietic Cell Transplantation from HLA-Matched Donors
Abstract Allogeneic hematopoietic cell transplant (HCT) remains the only curative therapy for many hematologic malignancies but it is limited by high nonrelapse mortality (NRM), primarily from unpredictable control of graft-versus-host disease (GVHD). Recently, post-transplant cyclophosphamide demonstrated improved GVHD control in allogeneic bone marrow HCT. Here we explore cyclophosphamide in allogeneic peripheral blood stem cell transplantation (alloPBSCT). Patients with high-risk hematologic malignancies received alloPBSCT from HLA-matched unrelated/related donors. GVHD prophylaxis included combination post-HCT cyclophosphamide 50âmg/kg (days +3 and +4) and tacrolimus/mofetil mycophenolate (T/MMF) (day +5 forward). The primary objective was the cumulative incidence of acute and chronic GVHD. Between March 2011 and May 2015, 35 consecutive patients received the proposed regimen. MMF was stopped in all patients at day +28; the median discontinuation of tacrolimus was day +113. Acute and chronic GVHD cumulative incidences were 17% and 7%, respectively, with no grade IV GVHD events, only 2 patients requiring chronic GVHD immunosuppression control, and no deaths from GVHD. Two-year NRM, overall survival, event-free survival, and chronic GVHD event-free survival rates were 3%, 77%, 54%, and 49%, respectively. The graft-versus-tumor effect was maintained as 5 of 15 patients (33%) who received HCT with evidence of disease experienced further disease response. A post-transplant cyclophosphamide + T/MMF combination strategy effectively prevented acute and chronic GVHD after alloPBSCT from HLA-matched donors and achieved an unprecedented low NRM without losing efficacy in disease control or impaired development of the graft-versus-tumor effect. This trial is registered at clinicaltrials.gov as NCT02300571
Effect of systemic therapies or best supportive care after disease progression to both nivolumab and cabozantinib in metastatic renal cell carcinoma: The MeetâUro 19BEYOND study
Background
Nivolumab and cabozantinib are currently approved agents in metastatic renal cell carcinoma (mRCC) but there are no data available for patients progressing to both treatments. The aim of this study was to compare active therapeutic options and best supportive care (BSC) after progression to nivolumab and cabozantinib in mRCC.
Methods
In this retrospective study, we selected 50 patients from eight Italian centers. The primary endpoint of the study was the overall survival (OS) of patients on active treatment versus BSC. Secondary endpoints were the progression-free survival (PFS) and objective response rate (ORR). The efficacy of active therapy was also investigated.
Results
After progression to both nivolumab and cabozantinib, 57.1% of patients were given active treatment (mainly everolimus and sorafenib) while 42.9% received BSC. The median OS was 13 months (95% CI: 4-NR) in actively treated patients and 3 months (95% CI: 2â4) in BSC patients (p = 0.001). Patients treated with sorafenib had better disease control than those treated with everolimus (stable disease: 71.4% vs. 16.7%, progression disease: 14.3% vs. 58.3%; p = 0.03), with no significant differences in PFS (5 and 3 months, 95% CI: 1â6 vs. 2â5; p = 0.6) and OS (12 and 4 months, 95% CI: 3-NR vs. 2-NR; p = 0.2).
Conclusion
After treatment with both nivolumab and cabozantinib, the choice of a safe active systemic therapy offered better outcomes than BSC
The use of alteplase, although safe, does not offer clear clinical advantages when mild stroke is non-disabling
IntroductionIt is unknown whether alteplase is effective and safe in patients with mild acute ischemic stroke (AIS). Determining whether symptoms are âdisablingâ or not is a crucial factor in the management of these patients. This study aimed to investigate the efficacy and safety of alteplase in patients with mild, non-disabling AIS.MethodsWe included all consecutive patients admitted for AIS at our institution from January 2015 to May 2022 who presented a baseline NIHSS score of 0â5 and fit the criteria to receive intravenous thrombolysis. In order to select only subjects with non-disabling AIS, we excluded patients who scored more than 1 point in the following NIHSS single items: vision, language, neglect, and single limb. Patients who scored at least 1 point in the NIHSS consciousness item were excluded as well. This study is a retrospective analysis of a prospectively collected database.ResultsAfter the application of the exclusion criteria, we included 319 patients, stratified into patients receiving and not receiving alteplase based on non-disabling symptoms. The two groups were comparable regarding demographic and clinical data. Rates of a 3-month favorable outcome, defined as a 3-month mRS score of 0â1, were similar, being 82.3% and 86.1% in the treated and untreated patients, respectively. Hemorrhagic complications and mortality occurred infrequently and were not affected by alteplase treatment.DiscussionThis observational study suggests that the use of alteplase, although safe, is not associated with a better outcome in highly selected patients with non-disabling AIS