Publications by authors named "Villari R"

Article Synopsis
  • A patient experienced a relapse of both dacryocystitis and maxillary sinusitis after undergoing a previous dacryocystectomy.
  • The medical team opted for an external dacryocystorhinostomy to address the scar tissue and leftover lacrimal sac tissue.
  • This procedure was combined with endoscopic sinus surgery (ESS) to effectively alleviate the patient's symptoms.
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Long-term sustained pain in the absence of acute physical injury is a prominent feature of chronic pain conditions. While neurons responding to noxious stimuli have been identified, understanding the signals that persist without ongoing painful stimuli remains a challenge. Using an ethological approach based on the prioritization of adaptive survival behaviors, we determined that neuropeptide Y (NPY) signaling from multiple sources converges on parabrachial neurons expressing the NPY Y1 receptor to reduce sustained pain responses.

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  • The intestinal microbiota is crucial for maintaining overall health and can influence various diseases, including chronic liver conditions like those caused by the Hepatitis C virus (HCV).
  • Recent advancements in antiviral treatments, specifically direct-acting antiviral agents (DAAs), have led to a high success rate in clearing HCV infections (around 95%).
  • A study involving 12 patients treated with DAAs revealed a decrease in harmful gut bacteria and an increase in microbial diversity after treatment, especially notable in patients without advanced liver cirrhosis.
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Objective: The aim of this study was to report the use casirivimab/imdevimab therapy in pregnant women with moderate coronavirus disease 2019 (COVID-19).

Study Design: We report 12 cases of unvaccinated pregnant patients with mild-to-moderate COVID-19 treated with casirivimab/imdevimab.

Results: Twelve unvaccinated pregnant patients with mild-to-moderate COVID-19 received casirivimab/imdevimab at the dose of 1200/1200 mg by intravenous infusion over 60 minutes.

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Article Synopsis
  • The study evaluates the outcomes of COVID-19 in solid organ transplant recipients post-pandemic, emphasizing how vaccinations and new antiviral treatments have improved disease management and survival rates.
  • Conducted at A.O.U. Federico II in Naples, the research included 40 patients and highlighted the positive effects of monoclonal antibodies and antiviral therapies during the early stages of infection.
  • It also raises important questions about how different immunosuppressive therapies (Mycophenolate potentially worsening outcomes and Everolimus possibly protecting against severe disease) impact COVID-19 severity, while reaffirming the critical role of vaccination, especially booster doses.
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Early treatment with antivirals against SARS-CoV-2 infection can prevent the onset of severe COVID-19 in fragile and immunocompromised patients. In this real-life, prospective, observational study, we evaluated efficacy and safety of a 3-day early treatment with remdesivir in adult and fragile patients with a diagnosis of SARS-CoV-2 infection who referred to the COVID-19 early treatment service of Infectious Diseases Unit of University of Naples Federico from 10 January 2022 to 31 March 2022. The included patients could be treated with either remdesivir alone or with remdesivir plus a monoclonal antibody with activity against SARS-CoV-2.

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Background: HCV-related liver disease is an important cause of morbidity and mortality in patients with HIV infection. It is well known that the response rates to HCV therapy are similar between HCV-monoinfected patients and HIV-HV coinfected ones. The aim of this study was to evaluate the impact of HCV eradication on CD4 + T cell count in a population of HIV-HCV coinfected patients.

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Since 2020, COVID-19 pandemic has spread worldwide causing a huge number of cases and casualties. Among direct anti SARS-CoV-2 agents available for the treatment of COVID-19, only remdesivir and casirivimab/imdevimab have been approved for severe disease. As they act at different levels in blocking viral replication, it is theoretically possible to combine them.

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Diabetes mellitus represents one of the most frequent comorbidities among patients with COVID-19, constituting a risk factor for a more severe prognosis than that of non-diabetic patients. However, the pathophysiological mechanism underlying this unfavorable outcome is still not completely clear. The goal of our study was to evaluate the potential role of antidiabetic therapy in the evolution of COVID-19.

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Invasive fungal infections (IFIs) represent a severe complication of COVID-19, yet they are under-estimated. We conducted a retrospective analysis including all the COVID-19 patients admitted to the Infectious Diseases Unit of the Federico II University Hospital of Naples until the 1 July 2021. Among 409 patients, we reported seven cases of IFIs by Candida spp.

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The gut microbiota plays a fundamental role in Hepatitis C Virus (HCV)-related liver disease. Indeed, HCV infection alters the gut microbiota, whereas intestinal dysbiosis induces an underlying inflammatory state. This status may lead to liver disease progression.

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We evaluated the role of CRP and other laboratory parameters in predicting the worsening of clinical conditions during hospitalization, ICU admission, and fatal outcome among patients with COVID-19. Consecutive adult inpatients with SARS-CoV-2 infection and respiratory symptoms treated in three different COVID centres were enrolled, and they were tested for laboratory parameters within 48 h from admission. Three-hundred ninety patients were enrolled.

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Purpose: To assess clinical, laboratory and radiological differences between Delta and Alpha SARS-CoV-2 variants.

Materials And Methods: Twenty SARS-CoV-2 patients admitted from 30th of August to 30th of October 2021 (period with estimated highest prevalence of Delta variant circulation in Italy) were enrolled. Patients were matched in a 1:1 ratio with same gender and same age +/- 2 years controls admitted from 1st of September 2020 to 30th of January 2021 (predominant circulation of Alpha variant).

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Article Synopsis
  • Surgical site infections are becoming a major concern in hospitals, worsened by rising antibiotic resistance and more complex patient cases.
  • It's important to identify risk factors and explore preventive measures that can help reduce these infections.
  • The review focuses on assessing current treatment options for managing surgical site infections in light of the challenge posed by multi-resistant organisms.
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Despite the lightning-fast advances in the management of SARS-CoV after 2 years of pandemic, COVID-19 continues to pose a challenge for fragile patients, who could benefit from early administration of monoclonal antibodies (mAbs) to reduce the risk of severe disease progression. We conducted a prospective study to evaluate the effectiveness of mAbs against SARS-CoV-2 among patients at risk for severe disease progression, namely elderly and those with comorbidities, before the omicron variant surge. Patients were treated with either casirivimab/imdevimab, sotrovimab, or bamlanivimab/etesevimab.

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Molnupiravir and nirmatrelvir were the first available oral antivirals (OAs) active against SARS-CoV-2. Trials evaluating the efficacy of OAs involved patients unvaccinated and infected with variants different from those currently circulating. We conducted a retrospective study on patients with confirmed SARS-CoV-2 infection treated with OAs during the omicron surge in Italy in order to provide real-life data on the efficacy and safety of OAs during the omicron surge of the COVID-19 pandemic.

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Background: The scalp region represent a common area affected by benignant and malignant skin tumor, and it represents a surgical challenge when it is needed to be reconstructed. The aim of this study is to present our experience with full-thickness scalp skin defects, reconstructed using Matriderm dermal substitute and split-thickness skin graft (STSG).

Methods: A retrospective analysis of patients treated for scalp region reconstruction was conducted with 16 patients.

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Campania is the sixth poorest region of Italy, and it is the region with the highest income inequality. The secondary attack rates of SARS-CoV-2 among households are found to be substantially heterogeneous among published studies and are influenced by socio-economic factors. We conducted a retrospective study to describe the role of socio-economic factors in the household transmission of SARS-CoV-2 among patients living in Campania Region and referring to "Federico II" Hospital.

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Introduction: In solid organ transplant recipients, COVID-19 is associated with a poor prognosis because of immunosuppression. Some studies suggest a potential therapeutic role of mammalian Target of Rapamycin (mTOR) inhibitors in SARS-CoV-2 infection. This study aimed to assess the impact of mTOR employment on the evolution and outcome of SARS-CoV-2 infection in solid organ transplant recipients.

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Background: Monoclonal antibodies have been a milestone in the treatment of multiple sclerosis (MS). Infective complications have been observed in patients on agents targeting lymphoid cells' surface antigens, namely anti-CD52 (alemtuzumab) and anti-CD20 agents (ocrelizumab and rituximab). Despite increasing emerging data, there is no standardized consensus regarding pre-treatment testing, vaccinations, and patient education before and during MS therapy or optimal infection-control strategies.

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Diabetes is the most frequent comorbidity among patients with COVID-19. COVID-19 patients with diabetes have a more severe prognosis than patients without diabetes. However, the etiopathogenetic mechanisms underlying this more unfavorable outcome in these patients are not clear.

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The design and operation of ITER experimental fusion reactor requires the development of neutron measurement techniques and numerical tools to derive the fusion power and the radiation field in the device and in the surrounding areas. Nuclear analyses provide essential input to the conceptual design, optimisation, engineering and safety case in ITER and power plant studies. The required radiation transport calculations are extremely challenging because of the large physical extent of the reactor plant, the complexity of the geometry, and the combination of deep penetration and streaming paths.

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To investigate the influence of the aircraft structures and contents on the exposure of aircrew to the galactic component of cosmic rays, a mathematical model of an aeroplane has been developed. The irradiation of the mathematical model in the cosmic ray environment has been simulated using the Monte Carlo transport code FLUKA. Effective dose andambient dose-equivalent rates have been determined inside the aircraft at several locations along the fuselage at a typicaI civil aviation altitude.

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The aircrew exposure to cosmic radiation can be assessed by calculation with codes validated by measurements. However, the relationship between doses in the free atmosphere, as calculated by the codes and from results of measurements performed within the aircraft, is still unclear. The response of a tissue-equivalent proportional counter (TEPC) has already been simulated successfully by the Monte Carlo transport code FLUKA.

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