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[Pathogenic and clinical changes of pneumonia in the recent 10 years]
1Peking Union Medical College Hospital, Beijing.
Abstract:
The article reviewed 279 cases of pneumonia which came from two different periods. Among these 116 got from 1960s and 174, from 1980s. We analyzed the general condition of patients, etiology, mortality, prognosis and management and reached to the conclusion that (1) gram-negative bacilli become major pathogen in replace of Gram-positive staphylococcus aureus in 1980s, but staphylococcus aureus pneumonia is still a serious disease (2) the prognosis of the patient is related to underlying disease, nourishment and complication (3) at present, Cephalosporin V is most effective in Gram-positive cocci pneumonia and Gentamycin or Cephalosporin V, in Gram-negative bacilli pneumonia. (4) the mortality rate of pneumonia in 1980s is lower than that in 1960s.
Insights
Pneumonia pathogens shifted from Staphylococcus aureus to gram-negative bacilli between the 1960s and 1980s. While mortality decreased, prognosis depends on patient health and complications, with specific antibiotics recommended for different bacterial types.
Area of Science:
- Clinical Medicine
- Infectious Diseases
- Pulmonology
Background:
- Pneumonia remains a significant cause of morbidity and mortality.
- Understanding changes in causative pathogens and treatment outcomes is crucial for effective management.
- Historical comparison of pneumonia cases provides insights into evolving disease patterns.
Purpose of the Study:
- To compare clinical characteristics, etiology, and outcomes of pneumonia patients from the 1960s and 1980s.
- To identify shifts in predominant pathogens.
- To evaluate treatment efficacy and prognostic factors.
Main Methods:
- Retrospective review of 279 pneumonia cases.
- Cases divided into two cohorts: 1960s (116 cases) and 1980s (174 cases).
- Analysis of patient condition, etiology, mortality, prognosis, and management strategies.
Main Results:
- Gram-negative bacilli emerged as the primary pathogen in the 1980s, replacing Gram-positive Staphylococcus aureus.
- Staphylococcus aureus pneumonia, though less frequent, remained a serious condition.
- Mortality rates for pneumonia were lower in the 1980s compared to the 1960s.
Conclusions:
- Patient prognosis is influenced by underlying conditions, nutritional status, and complications.
- Current effective treatments include Cephalosporin V for Gram-positive cocci pneumonia and Gentamycin or Cephalosporin V for Gram-negative bacilli pneumonia.
- The shift in pathogens and reduced mortality highlight advancements in pneumonia management over two decades.