Community-acquired pneumonia in the elderly: a practical guide to treatment
Abstract
The incidence of community-acquired pneumonia (CAP), an infectious disease, sharply increases among the elderly and the main risk factor for CAP in this age group is chronic comorbidity. The use of the term CAP in the elderly population should be reserved for pneumonia acquired outside of the nursing home setting, since nursing home-acquired pneumonia differs from CAP in terms of its aetiology and clinical manifestations. The main aetiology for CAP is Streptococcus pneumoniae, but atypical pathogens also play an important role as causative agents. The clinical presentations of CAP in the elderly can be different from those in younger patients, and therefore it is important to be aware of and familiar with these differences to avoid unnecessary delays in reaching the correct diagnosis. Imaging is essential to diagnose CAP and to assess its severity. Clinical and laboratory indices can be used to identify elderly patients with CAP who are at low risk for mortality and who can be treated as outpatients. The decision not to hospitalise elderly patients with CAP is contingent on a good clinical condition and the existence of home support systems. The aetiology of CAP cannot be determined on the basis of clinical manifestations, imaging or routine laboratory test results, and the initial antibiotic therapy for elderly patients with CAP should be empirical, based on accepted guidelines. In the light of developments in recent years, elderly patients with CAP, except those who are…
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