Lower respiratory tract infections are an important cause for morbidity and mortality and associated with considerable costs and antibiotic consumption, especially in patients needing hospitalization. The aim of this thesis was to evaluate diagnostic and treatment strategies to decrease costs and control antibiotic use in hospitalized patients.
Early identification of patients with high risk a for a complicated course could prevent unnecessary ICU admissions, complications or deaths. However, current definitions of severe CAP do not seem suitable to guide pneumonia management.