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Fakultäten » Medizinische Fakultät » Horten-Zentrum für Praxisorientierte Forschung und Wissenstransfer » Prof. Dr. Johann Steurer » Steurer

Completed research project

Title / Titel Development of a probability function to calculate the prevalence of pneumonia in patients with recent onset or worsening of cough and fever
PDF Abstract (PDF, 14 KB)
Summary / Zusammenfassung Background: In medical practice it is difficult to differentiate between acute bronchitis and pneumonia without performing lab- tests and/or chest x-rays in patients with recent onset of cough and fever. This distinction is important, because, in general, patients with pneumonia have to be treated with antibiotics whereas for patients with acute bronchitis an antibiotic treatment is unnecessary.

Objective: The aim of this study is to deduce a probability function for calculating the probability of pneumonia – at the point of consultation – on the basis of history and physical examination alone in patients with recent onset or worsening of cough and fever.

Methods: In 980 patients attending physicians in the Canton of Zurich because of recent onset of cough or acute exacerbation of chronic cough and fever the information about the relevant diagnostic indicators, including C - reactive protein (CRP) will be collected and a chest x ray to exclude pneumonia will be performed.

Expected Value of the Proposed Project: The resulting probability function will allow physicians to calculate the probability of pneumonia in patients with cough and fever. This aids physicians to decide in which patients pneumonia can be ruled out with high probability on clinical information alone (history and physical examination), without lab-tests and/or chest x-rays.
Keywords / Suchbegriffe diagnosis, pneumonia, acute bronchitis
Project leadership and contacts /
Projektleitung und Kontakte
Prof Johann Steurer (Project Leader) johann.steurer@usz.ch
PD Lucas Bachmann, PhD lucas.bachmann@usz.ch
Funding source(s) /
Unterstützt durch
Foundation
 
In collaboration with /
In Zusammenarbeit mit
Prof. Olli. S. Miettinen, Department of Epidemiology, Biostatisticas and Occupational Health, Faculty of Medicine, McGill University, Montreal, Canada China

Prof. E. Russi, Clinic for Pneumology, University Hospital Zurich, CH 8091 Zurich

Switzerland

Dr.R. Hunziker, Department of Radiology, University Hospital Zürich

Switzerland

Duration of Project / Projektdauer Dec 2006 to Nov 2008