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1.
BMC Infect Dis ; 24(1): 632, 2024 Jun 25.
Article in English | MEDLINE | ID: mdl-38918691

ABSTRACT

BACKGROUND: Healthcare-Associated Infections (HAIs) are a global public health issue, representing a significant burden of disease that leads to prolonged hospital stays, inappropriate use of antimicrobial drugs, intricately linked to the development of resistant microorganisms, and higher costs for healthcare systems. The study aimed to measure the prevalence of HAIs, the use of antimicrobials, and assess healthcare- and patient-related risk factors, to help identify key intervention points for effectively reducing the burden of HAIs. METHODS: A total of 28 acute care hospitals in the Lombardy region, Northern Italy, participated in the third European Point Prevalence Survey (PPS-3) coordinated by ECDC for the surveillance of HAIs in acute care hospitals (Protocol 6.0). RESULTS: HAIs were detected in 1,259 (10.1%, 95% CI 9.6-10.7%) out of 12,412 enrolled patients. 1,385 HAIs were reported (1.1 HAIs per patient on average). The most common types of HAIs were bloodstream infections (262 cases, 18.9%), urinary tract infections (237, 17.1%), SARS-CoV-2 infections (236, 17.0%), pneumonia and lower respiratory tract infections (231, 16.7%), and surgical site infections (152, 11.0%). Excluding SARS-CoV-2 infections, the overall prevalence of HAIs was 8.4% (95% CI 7.9-8.9%). HAIs were significantly more frequent in patients hospitalized in smaller hospitals and in intensive care units (ICUs), among males, advanced age, severe clinical condition and in patients using invasive medical devices. Overall, 5,225 patients (42.1%, 95% CI 41.3-43.0%) received systemic antimicrobial therapy. According to the WHO's AWaRe classification, the Access group accounted for 32.7% of total antibiotic consumption, while Watch and Reserve classes accounted for 57.0% and 5.9% respectively. From a microbiological perspective, investigations were conducted on only 64% of the HAIs, showing, however, a significant pattern of antibiotic resistance. CONCLUSIONS: The PPS-3 in Lombardy, involving data collection on HAIs and antimicrobial use in acute care hospitals, highlights the crucial need for a structured framework serving both as a valuable benchmark for individual hospitals and as a foundation to effectively channel interventions to the most critical areas, prioritizing future regional health policies to reduce the burden of HAIs.


Subject(s)
Cross Infection , Hospitals , Humans , Italy/epidemiology , Male , Cross Infection/epidemiology , Female , Aged , Middle Aged , Prevalence , Adult , Aged, 80 and over , Adolescent , Young Adult , Hospitals/statistics & numerical data , Child, Preschool , Child , Risk Factors , Infant , Infant, Newborn , COVID-19/epidemiology , Anti-Infective Agents/therapeutic use , Anti-Bacterial Agents/therapeutic use , Surveys and Questionnaires , Urinary Tract Infections/epidemiology , Urinary Tract Infections/drug therapy , Urinary Tract Infections/microbiology
2.
Euro Surveill ; 27(24)2022 06.
Article in English | MEDLINE | ID: mdl-35713021

ABSTRACT

In Italy, serogroup C meningococci of the clonal complex cc11 (MenC/cc11) have caused several outbreaks of invasive meningococcal disease (IMD) during the past 20 years. Between December 2019 and January 2020, an outbreak of six cases of IMD infected with MenC/cc11 was identified in a limited area in the northern part of Italy. All cases presented a severe clinical picture, and two of them were fatal. This report is focused on the microbiological and molecular analysis of meningococcal isolates with the aim to reconstruct the chain of transmission. It further presents the vaccination strategy adopted to control the outbreak. The phylogenetic evaluation demonstrated the close genetic proximity between the strain involved in this outbreak and a strain responsible for a larger epidemic that had occurred in 2015 and 2016 in the Tuscany Region. The rapid identification and characterisation of IMD cases and an extensive vaccination campaign contributed to the successful control of this outbreak caused by a hyperinvasive meningococcal strain.


Subject(s)
Meningococcal Infections , Meningococcal Vaccines , Neisseria meningitidis , Disease Outbreaks/prevention & control , Humans , Italy/epidemiology , Meningococcal Infections/epidemiology , Meningococcal Infections/microbiology , Meningococcal Infections/prevention & control , Neisseria meningitidis/genetics , Phylogeny , Serogroup , Vaccination
3.
BMC Public Health ; 22(1): 19, 2022 01 06.
Article in English | MEDLINE | ID: mdl-34991544

ABSTRACT

BACKGROUND: Despite thousands of influenza cases annually recorded by surveillance systems around the globe, estimating the transmission patterns of seasonal influenza is challenging. METHODS: We develop an age-structured mathematical model to influenza transmission to analyze ten consecutive seasons (from 2010 to 2011 to 2019-2020) of influenza epidemiological and virological data reported to the Italian surveillance system. RESULTS: We estimate that 18.4-29.3% of influenza infections are detected by the surveillance system. Influenza infection attack rate varied between 12.7 and 30.5% and is generally larger for seasons characterized by the circulation of A/H3N2 and/or B types/subtypes. Individuals aged 14 years or less are the most affected age-segment of the population, with A viruses especially affecting children aged 0-4 years. For all influenza types/subtypes, the mean effective reproduction number is estimated to be generally in the range 1.09-1.33 (9 out of 10 seasons) and never exceeding 1.41. The age-specific susceptibility to infection appears to be a type/subtype-specific feature. CONCLUSIONS: The results presented in this study provide insights on type/subtype-specific transmission patterns of seasonal influenza that could be instrumental to fine-tune immunization strategies and non-pharmaceutical interventions aimed at limiting seasonal influenza spread and burden.


Subject(s)
Influenza, Human , Child , Humans , Influenza A Virus, H3N2 Subtype , Influenza, Human/prevention & control , Italy/epidemiology , Seasons , Vaccination
4.
Euro Surveill ; 25(31)2020 08.
Article in English | MEDLINE | ID: mdl-32762797

ABSTRACT

We analysed 5,484 close contacts of coronavirus disease (COVID-19) cases in Italy, all tested for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Infection fatality ratio was 0.43% (95% confidence interval (CI): 0.21-0.79) for individuals younger than 70 years and 10.5% (95% CI: 8.0-13.6) for older individuals. Risk of death after infection was 62% lower (95% CI: 31-80) in clusters identified after 16 March 2020 and 1.8-fold higher for males (95% CI: 1.03-3.16).


Subject(s)
Contact Tracing/statistics & numerical data , Coronavirus Infections/mortality , Coronavirus , Pandemics/statistics & numerical data , Pneumonia, Viral/mortality , Adolescent , Adult , Age Distribution , Aged , Aged, 80 and over , Betacoronavirus , COVID-19 , Child , Child, Preschool , Coronavirus Infections/diagnosis , Female , Humans , Infant , Infant, Newborn , Italy/epidemiology , Male , Middle Aged , Pneumonia, Viral/diagnosis , Pneumonia, Viral/transmission , Risk Factors , SARS-CoV-2 , Young Adult
5.
Euro Surveill ; 25(12)2020 03.
Article in English | MEDLINE | ID: mdl-32234117

ABSTRACT

Sustained coronavirus disease (COVID-19) transmission is ongoing in Italy, with 7,375 reported cases and 366 deaths by 8 March 2020. We provide a model-based evaluation of patient records from Lombardy, predicting the impact of an uncontrolled epidemic on the healthcare system. It has the potential to cause more than 250,039 (95% credible interval (CrI): 147,717-459,890) cases within 3 weeks, including 37,194 (95% CrI: 22,250-67,632) patients requiring intensive care. Aggressive containment strategies are required.


Subject(s)
Coronavirus Infections/epidemiology , Coronavirus , Disease Notification/statistics & numerical data , Disease Outbreaks , Pneumonia, Viral/epidemiology , Betacoronavirus , COVID-19 , Coronavirus Infections/transmission , Humans , Italy/epidemiology , Pandemics , Pneumonia, Viral/transmission , SARS-CoV-2
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