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Title: The usefulness of the double-light telescopic catheter in the diagnosis of bacterial pneumonia in patients under mechanical ventilation
Authors: Sole Violan, Jorge 
Rodríguez de Castro, F. 
Lafarga Capuz, B.
Caminero Luna, J. A. 
Pérez Correa, S.
Manzano Alonso, J. L.
UNESCO Clasification: 32 Ciencias médicas
3205 Medicina interna
Keywords: Double-light telescopic catheter
Bacterial pneumonia
Mechanical ventilation
Issue Date: 1991
Journal: Revista clínica española (Ed. impresa) 
Abstract: Fifty-eight patients who presented clinical criteria of pneumonia (fever, leukocytosis, purulent tracheo-bronchial secretions, and lung infiltrate of recent appearance in X-ray) were prospectively studied in order to determine the cost effectiveness [correction of rentability] of quantitative culture of bronchial secretions by means of a telescopic catheter (TC) in the diagnosis of bacterial pneumonia in patients under mechanical ventilation. In 25 patients (43%) a positive culture was obtained above 10(3) UFC/ml, confirming the pneumonia diagnosis in 17 cases and detecting a false positive result in one patient. In no case with a count less than 10(3) UFC/ml pneumonia diagnosis could be confirmed, being this diagnosis excluded in 24 of 33 patients with a count lower than 10(3) UFC/ml. These results suggest that the presence of fever, purulent tracheobronchial secretions and lung infiltrate in an intubated patient under mechanical ventilation does not indicate the presence of pneumonia in a high percentage of cases and that CT scan can identify those patients who require antimicrobial treatment, and this avoiding its use in patients who do not need it, with the resulting decrease in morbidity and high cost.
ISSN: 0014-2565
Source: Revista clínica española[ISSN 0014-2565],v. 188, p. 13-16
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