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Prospective Observational Study (on Diagnostic Procedure) - Single-Center, Non-Profit.
A pilot study will be conducted on a prospective cohort of patients with HCAP (Healthcare-Associated Pneumonia). This study will be conducted on a single arm of patients. No control group or randomization is planned.
The use of syndromic molecular panels in pneumonias with risk factors for MDR (multidrug-resistant) pathogens, such as in patients with HCAP, has become common practice. However, the use of this tool is reserved for patients with severe forms of HCAP (PIRO>2, at least moderate ARDS, and respiratory failure requiring high-flow oxygen during sepsis) (30), and it is not yet standardized by international guidelines. The decision to use this tool or not is currently at the clinician's discretion and is usually reserved for the severe forms mentioned above. The study aims to determine if the early use of this tool has a real benefit on the management of antibiotic therapy for these patients in terms of therapeutic changes compared to corporate and international guidelines.
Duration of patient enrollment: 1 year. Duration of the study: 1.5 years.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| PCR multiplex (BIOFIRE® FILMARRAY® Pneumonia plus Panel) | The study seeks to assess the utility of molecular diagnostic tests in the emergency department for the microbiological etiological diagnosis of healthcare-associated pneumonia (HCAP). In clinical practice, patients with respiratory and infectious symptoms undergo blood sample collection for blood gas, chemical-physical, and culture analyses, urine samples for urinary antigen testing, and imaging diagnostics (X-ray, CT, ultrasound). Due to local infection control and surveillance measures, all patients with respiratory symptoms undergo a nasopharyngeal antigen test for SARS-CoV-2 as part of standard clinical practice. After completing the diagnostic work-up and diagnosing HCAP pneumonia, endobronchial samples are typically collected for multiplex PCR testing (BIOFIRE® FILMARRAY® Pneumonia plus Panel). Patients from whom these samples are collected are those needing high-flow oxygen therapy (VM35 or FiO2 higher, Reservoir, HFNC, NIV, CPAP), undergoing IOT, SOFA ≥2, PaO2/FiO2 < 200, o |
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| Measure | Description | Time Frame |
|---|---|---|
| evaluate the impact of early use of multiplex PCR | The primary objective of the study is to evaluate the impact of early use of multiplex PCR on empirical antibiotic therapy. This will be measured by considering the percentage of cases in which the use of multiplex PCR alters the therapy ('escalation' and 'de-escalation') compared to local empirical antibiotic therapy guidelines within 24 hours of hospital admission. | perioperatively/periprocedurally |
| Measure | Description | Time Frame |
|---|---|---|
| Time to Antibiotic Escalation or De-escalation | Measure the time from hospital admission to the escalation or de-escalation of antibiotic therapy. | up to 3 months |
| Length of Hospital Stay | Assess the total duration of the hospital stay. |
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Inclusion Criteria:
All patients over the age of 18 who undergo bronchoalveolar lavage (BAL) in the Emergency Department (DEA), with a Rankin score of less than 5, and who are admitted to the Emergency Department with a diagnosis of healthcare-associated pneumonia (HCAP) of bacterial, viral, or fungal origin. The diagnosis must be confirmed by clinical and radiological criteria according to the IDSA guidelines, which include: New pulmonary infiltrate on chest X-ray, Evidence that the infiltrate is of infectious origin, At least two of the following three clinical signs: Fever higher than 38 °C, Leukocytosis or leukopenia, Purulent secretions.
Additionally, patients must meet at least one of the following criteria:
Exclusion Criteria:
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All patients over the age of 18 who undergo bronchoalveolar lavage (BAL) in the Emergency Department (DEA), with a Rankin score of less than 5, and who are admitted to the Emergency Department with a diagnosis of healthcare-associated pneumonia (HCAP) of bacterial, viral, or fungal origin.
A patient is considered to have HCAP if they meet any of the following conditions:
Hospitalized in an acute care hospital for two or more days within 90 days of symptom onset Residing in a nursing home or long-term care facility Received intravenous antibiotic therapy, chemotherapy, or wound care within the past 30 days Attended a hospital or hemodialysis clinic within the past 30 days for medical reasons, visits, or day services
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Pelagatti Lorenzo, Dr | Contact | +393385917317 | pelagattil@aou-careggi.toscana.it | |
| Pelagatti Lorenzo, Dr | Contact | +390557947088 | lorenzo.pelagatti@unifi.it |
| Name | Affiliation | Role |
|---|---|---|
| Pelagatti Lorenzo, Dr | AOU Careggi | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Azienda ospedaliero universitaria careggi | Recruiting | Florence | Tuscany/Italy | 50122 | Italy |
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| ID | Term |
|---|---|
| D011014 | Pneumonia |
| D003635 | De Lange Syndrome |
| ID | Term |
|---|---|
| D012141 | Respiratory Tract Infections |
| D007239 | Infections |
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |
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BAL, BAS, ETA
| up to 3 months |
| Need for Escalation of Supportive Therapy: | Evaluate the necessity for increased supportive therapy, defined as: a) Need for invasive or non-invasive ventilation b) Transfer to a higher level of care c) In-hospital mortality from any cause (complicated course) | up to 3 months |
| Duration of Antibiotic Therapy: | Track the length of time antibiotics are administered. | up to 3 months |
| De-escalation of Antibiotic Therapy | Assess the de-escalation of antibiotic therapy within the first 7 days of inclusion in the study. | 7 days from admission |
| Escalation of Antibiotic Therapy | Assess the escalation of antibiotic therapy within the first 7 days of inclusion in the study. | 7 days from admission |
| Identification of HCAP Etiology | Determine the cause of HCAP within the first 7 days of inclusion using all methods: multiplex PCR, culture tests, antigen detection, and serology. | 7 days from admission |
| In-hospital Mortality | Measure in-hospital mortality rates for pneumonia and all causes. | up to 3 months |
| 30-day Mortality and Readmission | Measure mortality rates for pneumonia and all causes, and track readmissions within 30 days. | 30 days from discharge |
| D008607 |
| Intellectual Disability |
| D019954 | Neurobehavioral Manifestations |
| D009461 | Neurologic Manifestations |
| D009422 | Nervous System Diseases |
| D000015 | Abnormalities, Multiple |
| D000013 | Congenital Abnormalities |
| D009358 | Congenital, Hereditary, and Neonatal Diseases and Abnormalities |
| D025063 | Chromosome Disorders |
| D030342 | Genetic Diseases, Inborn |