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Community-acquired pneumonia--which patients are hospitalised?
S P Stäuble1, S Reichlin, T Dieterle
1Department of Internal Medicine, University Hospital, Basel, Switzerland.
Swiss Medical Weekly
|May 11, 2001
Summary
Simple clinical criteria effectively identify low and high mortality risk in community-acquired pneumonia patients. However, nearly half of low-risk patients still require hospitalization, influenced by factors like age and comorbidities.
Area of Science:
- Emergency Medicine
- Pulmonology
- Clinical Risk Stratification
Background:
- Community-acquired pneumonia (CAP) necessitates risk stratification to guide treatment decisions.
- The Fine et al. risk score is a validated tool for assessing CAP mortality risk.
- Differentiating between in-hospital and outpatient management is crucial for CAP patients presenting to the emergency department.
Purpose of the Study:
- To evaluate the utility of the Fine et al. risk stratification for guiding in-hospital vs. outpatient treatment decisions in emergency department CAP patients.
- To identify factors influencing hospitalisation decisions for low-risk CAP patients.
Main Methods:
- A prospective study of 101 consecutive emergency department patients diagnosed with CAP.
- Stratification of patients into low and high-risk mortality groups using established clinical criteria.
- Analysis of demographic data, clinical factors, and 30-day follow-up outcomes.
- Identification of predictive factors for hospitalisation in the low-risk group.
Main Results:
- High-risk patients (43/44) were hospitalised; 47% (27/57) of low-risk patients also required hospitalisation.
- Reasons for hospitalisation in low-risk patients included poor medical condition/severe pneumonia (67%), social support deficits (15%), and comorbidity (18%).
- Significant predictors for hospitalisation in low-risk patients included age, C-reactive protein, comorbidity, Charlson index, and oral steroid use.
- 30-day mortality was 32% in the high-risk group versus 0% in the low-risk group.
Conclusions:
- Simple clinical criteria effectively stratify 30-day mortality risk in CAP patients.
- A significant proportion of low-risk CAP patients require hospitalisation due to various clinical and social factors.
- Age, C-reactive protein, comorbidity, and steroid treatment are key factors associated with hospitalisation in low-risk CAP patients.
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