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  • Title: [Community acquired pneumococcal pneumonia in hospitalized adult patients].
    Author: Díaz A, Torres C, Flores LJ, García P, Saldías F.
    Journal: Rev Med Chil; 2003 May; 131(5):505-14. PubMed ID: 12879811.
    Abstract:
    BACKGROUND: S pneumoniae is the most common cause of community-acquired pneumonia. AIM: To evaluate the clinical characteristics, antibiotic resistance, management and prognostic factors in pneumococcal pneumonia. METHODS: Prospective evaluation in 46 adults (age +/- sd: 68 +/- 17 years) hospitalized with pneumococcal pneumonia confirmed by sputum, blood or pleural fluid cultures. Clinical and radiographic variables, risk factors for antibiotic resistance, and hospital mortality rate were recorded. RESULTS: Heart disease (39%), COPD/asthma (25%), and diabetes mellitus (18%) were the most frequent underlying diseases. None of the patients had previously received pneumococcal vaccine. Only 17% of the patients had the classic triad of chills, fever and productive cough. At admission, interestingly, 17% presented with congestive heart failure. Resistance of pneumococci to penicillin, cefotaxime or erythromycin was 15%, 6% and 11%, respectively. Antibiotic use prior to admission was significantly associated with antibiotic resistance (OR = 6; CI 95% = 1.1-32; p < 0.05). Fifty per cent of the patients were admitted to intermediate or intensive care units, 15% were mechanically ventilated, 20% developed septic shock, 20% developed acute renal failure and 13% died in the hospital. Clinical factors significantly associated with higher mortality were systolic hypotension (< or = 90 mmHg), ICU admission and BUN > 30 mg per dL. CONCLUSIONS: Our data suggest that pneumococcal pneumonia is still a severe infection with high mortality; hence, efforts should be made at prevention using pneumococcal immunization.
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