Low-dose CT for Diagnosis of Pneumonia in COPD Exacerbations and Comparison of the Inflammatory Profile.
Assessment of the Degree of Pneumonia Underdiagnosis in Chronic Obstructive Pulmonary Disease (COPD) Exacerbations Using Chest Low-dose Computed Tomography (CT) and Comparison of Inflammatory Profile Between the Two Entities
* Hypothesis: There is an underdiagnosis of pneumonia in COPD (Chronic Obstructive Pulmonary Disease) exacerbations which could be demonstrated by performing low-dose chest CT. Differences in the inflammatory profile in sputum and blood in patients with and without pneumonia can be seen.
* Objective: To assess the degree of underdiagnosis of pneumonia in COPD exacerbations, using chest low-dose CT and to compare clinical and inflammatory differences in blood and sputum between patients with and without pneumonia.
*Material and Methods: Prospective observational study including 75 patients with the diagnosis of COPD at the time of an exacerbation and with criteria for a respiratory tract infection. At the time of inclusion clinical features, blood and sputum analysis, chest X-ray and chest low-dose CT are performed. The investigators divide the patients into two groups according to the existence of pneumonia and the inflammatory pattern in blood (inflammatory markers) and sputum (cell populations and inflammatory markers) is compared between the two branches.
Studieoversigt
Status
Status
Betingelser
Betingelser
Undersøgelsestype
Undersøgelsestype
Tilmelding (Forventet)
Tilmelding
Kontakter og lokationer
Studiekontakt
Studiekontakt
- Navn: Laura Sebastian
- E-mail: lsebastian@santpau.cat
Studiesteder
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Barcelona, Spanien, 08041
- Rekruttering
- Hospital De La Santa Creu I Sant Pau
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Kontakt:
- Sebastian
- E-mail: lsebastian@santpau.cat
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Underforsker:
- Laura Sebastian, MD
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Underforsker:
- Tomas Franquet, MD PhD
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Underforsker:
- Ana M Giménez, MD
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Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
INCLUSION CRITERIA
- clinical and spirometric diagnosis of COPD.
- for study group: clinical symptoms of exacerbation and infection of low airway.
- Signed informed consent.
EXCLUSION CRITERIA
- No acceptance of informed consent.
- The STUDY GROUP: treatment with antibiotic more tan 2 days before consultation.
- Another entity known pulmonology other than COPD (non-obstructive disorders, bronchiectasis, interstitial lung disease patients, severe pulmonary hypertension, hypoventilation).
- Chronic treatment with oral corticosteroids or immunosuppressive drug.
- severe organ comorbidity such as cancer in advanced or terminal phase, pulmonary tuberculosis with important involvement, severe pneumoconiosis.
- Severe alteration of nutritional status.
- Heart disease evolved.
- Limitation for understanding the study (including psychiatric disorder, language problem, social or cultural differences, etc.).
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Antal grupper/kohorter
Kohorter og interventioner
Gruppe / kohorteGruppe / kohorte |
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COPD exacerbation
No intervention. The subjects will be divided in 2 subgroups according to the image study:
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COPD stable patients
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Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
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Number of patients with an exacerbation of their disease who have a Pneumonia diagnosed by low dose - CT (not detected by chest X-Ray).
Tidsramme: 1 year and a half
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1 year and a half
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Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Samarbejdspartnere
Samarbejdspartnere
Efterforskere
Efterforskere
- Ledende efterforsker: Ingrid Solanes, MD PhD, Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau
Datoer for undersøgelser
Studer store datoer
Studiestart
Studiestart
Primær færdiggørelse (Forventet)
Primær færdiggørelse
Studieafslutning (Forventet)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- IIBSP-EPO-2013-152
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