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Clinical Investigations in Critical CareModes of Mechanical Ventilation and Weaning: A National Survey of Spanish Hospitals
Section snippets
METHODS
The study was performed in 47 ICUs in 47 teaching hospitals in Spain. All Spanish hospitals with more than 300 beds have an ICU, and 87% of the ICUs are multidisciplinary (medical-surgical) in nature, and their staff usually includes physicians who have specialized in critical care medicine. The technology available in Spanish ICUs is similar to that found in other European countries and the United States.
The survey was conducted on January 20, 1992, at 10 am. The characteristics of the survey
RESULTS
Six hundred thirty patients were in the ICUs when the survey was performed, and of these, 290 (46%) were receiving mechanical ventilation for at least 24 hs. Their age was 54.8±1.1 (SE) years, 66% were men, and 34% were women. The APACHE II severity score at the time of admission to the ICU was 17.9±0.4 (Table 1). Seventeen percent of the patients were admitted to hospitals containing less than 400 beds, 74% to hospitals with 400 to 1,000 beds, and 9% to hospitals with more than 1,000 beds. No
DISCUSSION
We surveyed all patients residing in 47 multidisciplinary ICUs in Spain on a single day. Of the 630 patients in an ICU at the time, 46% were receiving mechanical ventilation for at least 24 h. This substantiates the idea that one of the major functions of an ICU is to provide a location for the delivery of mechanical ventilation. The frequency of mechanical ventilation in our ICU population is very similar to that reported by Knaus7 in the only other multi-centered study of which we are aware.
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The Spanish Lung Failure Collaborative Group is composed of the following members: Drs. B. Alvarez; L. Blanch; J.L. Blanco; A. Bonet; L. Cabré; M.A. de la Cal; J. Cambronero; A. Diaz-Prieto; F. Fonseca; D. Fontaneda; M. Frutos; A. García; J. Gener; R. Ginestal; G. González; J. Gudin; J.E. Guerrero; M. Guirado; I. Honrubia; J.R. Iruretagoyena; F. Iturbe; A. Jareño; J. Jimenez; M. Lacort; F. Latorre; J.B. López-Messa; T.C. Martín; J.R. Martinez; P. Monedero; T. Muñoz; F. del Nogal; J. Nolla; E. Palazón; J.L. Pérez-Arancón; A. Pons; A. Reyes; M. Roig; M.A. Romera; J. Rubio; J.M. Serrano; J.F. Solsona; R. Suarez; F. Taboada; F. de la Torre; I. Vallverdú.