Risk of SARS-CoV-2 infection and severe COVID-19 in hematological patients who received or not pre-exposure prophylaxis with tixagevimab/cilgavimab: a target trial emulation.

We emulated a hypothetical target trial in which hematological subjects cared at the University Hospital of Pisa (Italy) received or not SARS-CoV-2 prophylaxis with tixagevimab/cilgavimab. Subjects who received prophylaxis (cases) were compared to those who did not (controls). The main outcome was SARS-CoV-2 infection in the subsequent 6 months.

Fifty years after the first identification of Toscana virus in Italy: Genomic characterization of viral isolates within lineage A and aminoacidic markers of evolution.

Toscana Virus (TosV) was firstly isolated from phlebotomine in our Institute about fifty years ago. Later, in 1984-1985, TosV infection, although asymptomatic in most cases, was shown to cause disease in humans, mainly fever and meningitis. By means of genetic analysis of part of M segment, we describe 3 new viral isolates obtained directly from cerebrospinal fluid or sera samples of patients diagnosed with TosV infection in July 2020 in Tuscany region.

Real-world experience with meropenem/vaborbactam for the treatment of infections caused by ESBL-producing Enterobacterales and carbapenem-resistant Klebsiella pneumoniae.

Purpose: Real-world experience with meropenem/vaborbactam (M/V) is limited. Our aim is to report a clinical experience of M/V in the treatment of resistant Gram-negative bacilli.

Methods: This is a prospective observational study including patients hospitalized in the University Hospital of Pisa (March 2021-Jan 2023) with infections by both extended-spectrum β-lactamases (ESBL)-producing Enterobacterales and carbapenem-resistant Klebsiella pneumoniae (Kp) treated with M/V.

Clinical Features and Outcomes of Infections Caused by Metallo-β-Lactamase-Producing Enterobacterales: A 3-Year Prospective Study From an Endemic Area.

Background: Metallo-β-lactamase (MBL)-producing Enterobacterales are increasing worldwide. Our aim was to describe clinical features, treatments, and outcomes of infections by MBL-Enterobacterales.

Methods: A prospective observational study conducted in the Pisa University Hospital (January 2019 to October 2022) included patients with MBL-producing Enterobacterales infections.

Native-Valve Endocarditis: Case Report and Literature Review.

endocarditis represents the second etiological cause of prosthetic endocarditis following spp. On the other hand, native-valve endocarditis due to are anecdotally reported with increasing numbers in the last decade due to new diagnostic technologies such as (PCR) on samples like valve tissue or entire blood. We performed a review of the literature presenting one case report observed at Pisa University Hospital.

Efficacy and Safety of Nirmatrelvir/Ritonavir, Molnupiravir, and Remdesivir in a Real-World Cohort of Outpatients with COVID-19 at High Risk of Progression: The PISA Outpatient Clinic Experience.

Introduction: Different antivirals are available for the treatment of outpatients with COVID-19. Our aim was to describe a real-world experience of outpatient management of COVID-19 subjects at high risk of progression.

Methods: This prospective observational study conducted in the University Hospital of Pisa (January 2022-July 2022) included consecutive COVID-19 outpatients with at least one risk factor for disease progression.

Predictors and outcomes of respiratory bacterial coinfections in patients with COVID-19 admitted to hospital: An observational prospective study.

No abstract available.

Superinfections caused by carbapenem-resistant Enterobacterales in hospitalized patients with COVID-19: a multicentre observational study from Italy (CREVID Study).

Objectives: To describe clinical characteristics and outcomes of COVID-19 patients who developed secondary infections due to carbapenem-resistant Enterobacterales (CRE).

Methods: Retrospective observational study including COVID-19 patients admitted to 12 Italian hospitals from March to December 2020 who developed a superinfection by CRE. Superinfection was defined as the occurrence of documented bacterial infection >48 h from admission.

Recrudescence of malaria 5 years after treatment in an HIV migrant: a case report with a peculiar presentation.

In the last two decades, several cases of delayed-onset malaria in migrants from endemic areas were reported. The decrease of acquired immunity over time, often enhanced by immune suppression, represents a possible underlying mechanism for recrudescence. Here we describe a case of malaria occurring five years after exposure in a patient infected with human immunodeficiency virus, originating from Ivory Coast.

Early Use of Remdesivir and Risk of Disease Progression in Hospitalized Patients With Mild to Moderate COVID-19.

Purpose: Preliminary data suggest that remdesivir may influence the course of COVID-19 according to the duration of pre-admission symptoms. We aim to evaluate whether early use of remdesivir is associated with a reduced COVID-19 progression in a homogeneous cohort of patients with mild to moderate COVID-19.

Methods: This prospective, observational study included patients with COVID-19 pneumonia treated with remdesivir at the University Hospital of Pisa (Italy) from September 2020 to January 2021.

Effect of High-Titer Convalescent Plasma on Progression to Severe Respiratory Failure or Death in Hospitalized Patients With COVID-19 Pneumonia: A Randomized Clinical Trial.

Importance: Convalescent plasma (CP) has been generally unsuccessful in preventing worsening of respiratory failure or death in hospitalized patients with COVID-19 pneumonia.

Objective: To evaluate the efficacy of CP plus standard therapy (ST) vs ST alone in preventing worsening respiratory failure or death in patients with COVID-19 pneumonia.

Design, Setting, And Participants: This prospective, open-label, randomized clinical trial enrolled (1:1 ratio) hospitalized patients with COVID-19 pneumonia to receive CP plus ST or ST alone between July 15 and December 8, 2020, at 27 clinical sites in Italy.

Efficacy of Bamlanivimab/Etesevimab and Casirivimab/Imdevimab in Preventing Progression to Severe COVID-19 and Role of Variants of Concern.

Introduction: The aim of this study was to evaluate the risk of hospitalization or death in patients infected by SARS-CoV2 variants of concern (VOCs) receiving combinations of monoclonal antibodies (mAbs), bamlanivimab/etesevimab or casirivimab/imdevimab.

Methods: Observational prospective study conducted in two Italian hospitals (University Hospital of Pisa and San Donato Hospital, Arezzo) including consecutive outpatients with COVID-19 who received bamlanivimab/etesevimab or casirivimab/imdevimab from March 20th to May 10th 2021. All patients were at high risk of COVID-19 progression according to FDA/AIFA recommendations.

Blood culture-negative infective endocarditis: a worse outcome? Results from a large multicentre retrospective Spanish cohort study.

Background: To assess the impact of blood cultures negative infective endocarditis (BCNIE) on in-hospital mortality.

Methods: Prospective multicentre study with retrospective analysis of a Spanish cohort including adult patients with definite IE. Cardiac implantable devices infection were excluded.

Risk factors for non-invasive/invasive ventilatory support in patients with COVID-19 pneumonia: A retrospective study within a multidisciplinary approach.

Objectives: To investigate risk factors for non-invasive/invasive ventilatory support (NI/I-VS) in patients with coronavirus disease 2019 (COVID-19).

Methods: All consecutive patients admitted to the Infectious Diseases Unit and Intensive Care Unit (ICU) of Santa Maria Annunziata Hospital (Florence, Italy), from February 25 to April 25, 2020, with a confirmed COVID-19 diagnosis were enrolled in this retrospective cohort study. NI/I-VS was defined as the need for continuous positive airway pressure (CPAP) or bilevel positive airway pressure (BPAP) (non-invasive ventilation) or mechanical ventilation, not including low-flow systems of oxygen therapy such as the Venturi mask or nasal cannula.

Olfactory and gustatory dysfunctions in 100 patients hospitalized for COVID-19: sex differences and recovery time in real-life.

Purpose: COVID-19 displays a variety of clinical manifestations; in pauci-symptomatic patients olfactory (OD) and gustatory dysfunctions (GD) may represent the first or only symptom. This topic is currently arousing great interest, and a growing number of papers are being published. Aim of this study is to investigate the timing of recovery from OD and GD in a real-life population hospitalized for COVID-19.

Embolic risk stratification and prognostic impact of early surgery in left-sided infective endocarditis.

Background: In patients with left-sided infective endocarditis (IE) and heart failure associated with large vegetations, early surgery prevents embolic events. However, optimal timing of surgery for other indications is still unresolved particularly when the presence of large vegetations represents the sole indication.

Methods: We retrospectively analyzed 308 consecutive patients admitted to our department with definite left-sided IE.

Acute cerebellar ataxia: a rare Toscana Virus (TOSV) meningoencephalitis complication.

Arbovirosis, viral infection transmitted by arthropods, is a widespread health problem. In Italy, as well for all Mediterranean basin, from late spring to the end of summer, Toscana Virus (TOSV), a sandfly borne virus, accounts for the majority of aseptic meningitis/meningoencephalitis cases. TOSV meningitis/meningoencephalitis has usually a self-extinguishing benign course.

Cryptic severe malaria in a Moroccan man living in Tuscany, Italy, August 2018.

In August 2018 a Moroccan man living in Tuscany developed malaria. The patient declared having not recently visited any endemic country, leading to diagnostic delay and severe malaria. As susceptibility to of Anopheles species in Tuscany is very low, and other risk factors for acquiring malaria could not be completely excluded, the case remains cryptic, similar to other malaria cases previously reported in African individuals living in Apulia in 2017.