Nosocomial Influenza Surveillance of 2022

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

WITHDRAWN

Study Classification

OBSERVATIONAL

Study Start Date

2025-03-09

Study Completion Date

2025-03-09

Brief Summary

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Hospital-Acquired Influenza (HAI) is closely linked to the intensity of influenza in the community. HAI is associated with significant morbidity, mortality and extra costs due to prolonged hospital stay. The incidence of laboratory confirmed HAI has been reported rarely. The proportion of HAI among influenza cases was 11.38% (95% Confidence Interval: 5.19%-19.55%) in a meta-analysis of 14 studies. In France, a prospective surveillance study of adults with Influenza-Like Illness (ILI) over 11 years, reported that 35.6% of the influenza cases diagnosed at hospital were hospital-acquired.

HAI is transmitted via respiratory droplets and by hand contacts. The spread is facilitated by Health Care Professionals (HCPs), patients and visitors.

Prevention and control of HAI is of upmost importance to preserve patient safety and limit the related economic costs. While vaccination of HCPs has been shown to contribute to the reduction of HAI, less is known on the impact of patient vaccination on the risk of HAI during hospitalization.

The aim of this study is to describe the hospital-acquired influenza in a french university hospital.

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Detailed Description

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Conditions

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Infection Viral

Study Design

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Observational Model Type

OTHER

Study Time Perspective

PROSPECTIVE

Interventions

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Influenza-like illness group

Each patient who present ILI (influenza-like illness) at admission or during hospitalization and who have had a nasopharyngeal swab taken as part of their care for the purpose of diagnosing influenza by Polymerase Chain reaction (PCR) testing.

ILI is defined by fever \> 37,8°C or/and cough or sore throat.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Any volunteer adult patient (≥ 18 years of age) hospitalized for at least 24 hours on a study unit, who had a nasopharyngeal swab taken as part of care for the purpose of diagnosing influenza by PCR testing and who had an influenza-like illness meeting the following definition:
* Fever greater than 37.8°C in the absence of antipyretics; And/or
* Cough or pharyngeal pain.