What is the prevalence of community-acquired pneumonia?
The estimated worldwide incidence of community-acquired pneumonia varies between 1.5 to 14 cases per 1000 person-years, and this is affected by geography, season, and population characteristics. In the United States, the annual incidence is 24.8 cases per 10,000 adults with higher rates as age increases.
How common is pneumonia in the elderly?
This can lead to symptoms such as cough and shortness of breath. Pneumonia can be serious for some groups, one of which is older adults. In fact, a recent study estimated that almost 1 million adults ages 65 years or over are hospitalized with pneumonia each year in the United States.
Which of the following age group people are most susceptible to the community-acquired pneumonia?
This data suggests that even within the elderly population, those with more advanced age are more susceptible to CAP. The data for hospitalization rates are equally impressive, as elderly patients are almost five-times more likely to be hospitalized with the disease.
What is the most common cause of pneumonia in the elderly population?
Streptococcus pneumoniae is the most common cause of pneumonia among the elderly. Aspiration pneumonia is underdiagnosed in this group of patients, and tuberculosis always should be considered. In this population an etiologic diagnosis is rarely available when antimicrobial therapy must be instituted.
What is the cause of community-acquired pneumonia?
Causative agents of CAP The most common causative agent is Streptococcus pneumoniae, which is responsible for almost 50% of cases (Table 1);5 other common causes are respiratory viruses (mainly influenza A) and the atypical bacteria Chlamydophila pneumoniae and Mycoplasma pneumoniae.
What causes pneumonia in seniors?
In the U.S., pneumonia in the elderly is usually caused by bacteria or a virus. Pneumococcal pneumonia is the most common type of bacterial pneumonia, affecting more than 900,000 Americans each year, according to the ALA. This type of pneumonia is caused by a germ called Streptococcus pneumoniae.
What is the cause of pneumonia in elderly?
What is the most common cause of community-acquired pneumonia?
Worldwide, Streptococcus pneumoniae is a bacteria that is most often responsible for CAP in adults. Some other common bacteria that cause CAP are: Haemophilus influenzae. Mycoplasma pneumoniae.
What are the risk factors for community acquired pneumonia?
Several risk factors for CAP are recognised, including age >65 years,1 ,6 ,7 smoking,6 alcoholism,7 immunosuppressive conditions,7 and conditions such as COPD,8 cardiovascular disease, cerebrovascular disease, chronic liver or renal disease, diabetes mellitus and dementia.
