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Priority for Treatment and Intensive Care of Patients With Non-Severe Community-Acquired Pneumonia
Hai-Yan Li1, Qi Guo2, Wei-Dong Song3
1Department of Primary Care, The Eighth Affiliated Hospital (Shenzhen Futian), Sun Yat-sen University, Shenzhen, Guangdong, China.
Background:
The Infectious Disease Society of America/the American Thoracic Society (IDSA/ATS) minor criteria for severe community-acquired pneumonia (CAP) are of unequal weight in predicting mortality. It is unclear whether the patients with non-severe CAP meeting the minor criteria most strongly associated to mortality should have the priority for treatment and intensive care. It is warranted to explore this intriguing hypothesis.
Methods:
A retrospective cohort study of 1230 patients with CAP was performed. This was tested against a prospective 2-center cohort of 1749 adults with CAP.
Results:
The patients with CAP fulfilling the predictive findings most strongly associated to mortality, i.e. PaO2/FiO2 ≤ 250 mm Hg, confusion, and uremia, showed higher mortality rates than those not fulfilling the predictive findings in subgroup analyses of the retrospective cohort. The more the number of predictive findings present, the higher the mortality rates. The prospective cohort confirmed a similar pattern. Interestingly, the patients with non-severe CAP meeting the predictive findings demonstrated unexpectedly higher mortality rates compared with the patients with severe CAP not meeting the predictive findings in the prospective cohort (P = 0.003), although there only existed death of an uptrend in the retrospective cohort. Two similar and intriguing paradigms about sequential organ failure assessment (SOFA) scores and pneumonia severity index (PSI) scores were confirmed in the 2 cohorts.
Conclusions:
The patients with non-severe CAP fulfilling the predictive findings most strongly associated to mortality demonstrated higher SOFA and PSI scores and mortality rates, and might have the priority for treatment and intensive care.
Insights
Certain non-severe community-acquired pneumonia (CAP) patients with key mortality predictors may need priority treatment. These findings suggest a re-evaluation of CAP severity assessment and intensive care allocation for better patient outcomes.
Area of Science:
- Infectious Diseases
- Critical Care Medicine
- Pulmonology
Background:
- The Infectious Disease Society of America/American Thoracic Society (IDSA/ATS) minor criteria for severe community-acquired pneumonia (CAP) have unequal predictive value for mortality.
- The optimal allocation of treatment and intensive care for non-severe CAP patients meeting high-mortality risk criteria remains unclear.
Purpose of the Study:
- To investigate whether non-severe CAP patients exhibiting specific high-mortality risk factors warrant prioritized treatment and intensive care.
- To explore the predictive significance of key clinical findings (PaO2/FiO2 ratio, confusion, uremia) in CAP mortality across different severity classifications.
Main Methods:
- A retrospective cohort study of 1230 CAP patients.
- Validation against a prospective, 2-center cohort of 1749 adult CAP patients.
- Analysis of mortality rates, Sequential Organ Failure Assessment (SOFA) scores, and Pneumonia Severity Index (PSI) scores in relation to specific clinical predictors.
Main Results:
- Patients with CAP and key predictors (low PaO2/FiO2, confusion, uremia) exhibited higher mortality rates.
- A dose-response relationship was observed: more predictors correlated with higher mortality.
- Notably, non-severe CAP patients with these predictors showed higher mortality than severe CAP patients without them in the prospective cohort (P = 0.003).
Conclusions:
- Non-severe CAP patients with strong mortality predictors demonstrate elevated SOFA and PSI scores and higher mortality rates.
- These patients may warrant prioritized treatment and intensive care, challenging traditional CAP severity stratification.
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