Community-acquired staphylococcal pneumonia.

February 25, 2014 at 8:20 am

J Bras Pneumol. 2008 Sep;34(9):683-9.

Santos JW1, Nascimento DZ, Guerra VA, Rigo Vda S, Michel GT, Dalcin TC.

Pulmonology Department, Santa Maria University Hospital of the Federal University of Santa Maria, Santa Maria, Brazil. jwasb@terra.com.br

Abstract

OBJECTIVE:

Staphylococcal pneumonia typically presents high rates of morbidity and mortality. It typically occurs in cases of influenza (airborne transmission) or during episodes of bacteremia (blood-borne transmission).

METHODS:

A retrospective and descriptive study was conducted in patients admitted to our hospital between January of 1992 and December of 2003. All of he patients included had been diagnosed with community-acquired pneumonia caused by Staphylococcus aureus. All were older than 14 years of age, and none were intravenous drug users.

RESULTS:

Community-acquired pneumonia was identified in 332 cases, of which 24 (7.3%) were identified as cases of staphylococcal pneumonia. Age ranged from 14 to 89 years. Fifteen patients were male, and nine were female. Twelve patients met the criteria for severe pneumonia. Chest X-rays showed unilateral consolidation in 14 cases, bilateral consolidation in 10, pleural effusion in 15, rapid radiological progression of pulmonary lesions in 14, cavitation in 6 and pneumothorax in 1. Most of the patients presented comorbidities, of which diabetes mellitus was the most common. Twelve patients presented complications such as empyema and septic shock. Four patients died, translating to a mortality rate of 16.6% in our sample.

CONCLUSIONS:

The clinical presentation of pneumonia caused by S. aureus is similar to that of pneumonia caused by other etiological agents. Radiological findings, epidemiological data and risk factors provide important clues to the diagnosis. These factors are important for clinical suspicion, since S. aureus is not typically addressed in empirical treatment.

PDF

http://www.scielo.br/pdf/jbpneu/v34n9/en_v34n9a08.pdf

Entry filed under: Antimicrobianos, Bacterias, Bacteriemias, Infecciones respiratorias, Metodos diagnosticos, Resistencia bacteriana, Sepsis.

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