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Title: Factors related to hospital stay among patients with nosocomial infection acquired in the intensive care unit
Authors: Olaechea, Pedro M.
Ulibarrena, Miguel Angel
Álvarez-Lerma, Francisco
Insausti, Jesús
Palomar, Mercedes
De la Cal, Miguel Angel
Cebrián, Javier
Gudín, José
Martín, José L.
Rodríguez-Colomo, Oscar
Antón, Carlos
Ramón Iruretagoyena, J.
Rodríguez, Alberto
Carrasco, Nieves
De Miguel, Eva
Angel Alcalá, M.
Arnau, Elena
Torres, Antonio
Zabala, Elisabeth
Mateu, Antonio
Herranz, Miguel
Ucio, Pablo
Trinidad Fuentes, María
Ruiz-Santana, Sergio 
Villar, Jesús
Lopez-Camps, Vincent
Álvarez-Rocha, Luis
Paniagua, M. J.
Arroyo, L.
Sierra, Rafael
Jesús Huertas, M.
Tejada, Antonio
González, Victor
Valdovinos, M. C.
Luque, Pilar
Jesús López-Cambra, M.
Ruíz-Ferrón, Francisco
Jesús López-Pueyo, M.
Zabalegui, Arturo
Barcenilla, Fernando
Valverdú, M.
Castillo, Fernando
Camacho, Pedro
Flores, Juan M.
Felices, Francisco
Martínez-Pellús, Antonio
Esquinas, Antonio
Bru, M.
Carrillo, Andrés
García-Córdoba, Francisco
Blanco, Armando
Alonso, Ricardo
Mendía, Angel
Quiroga, Juan
Maraví, Enrique
Lobo, Joaquín
Quintana, Manuel
Jordá, Ricard
Homar, Javier
Sánchez, Bernabélvarez
Espeleta, Ana
Victoria de la Torre, M.
Pascual, Pedro
Homs, Carlos
Fernández-Renedo, Carlos
Sancho, Heliodoro
Panadero de Manuel, J. A.
Chirosa, M. A.
Moreno, A.
Rello, Jordi
Ruíz-Valverde, Andrés
Martínez-Coronel, J. F.
Labayen, Fermín
UNESCO Clasification: 32 Ciencias médicas
3201 Ciencias clínicas
320505 Enfermedades infecciosas
Keywords: Patients
Nosocomial infections
Intensive Care Unit
Issue Date: 2003
Journal: Infection Control and Hospital Epidemiology 
Abstract: Objectives: To assess the influence of nosocomial infection on length of stay in the intensive care unit (ICU) and to determine the relative effect of other factors on extra length of hospitalization associated with nosocomial infection. Design: Prospective cohort multicenter study in the context of the ENVIN-UCI project. Setting: Medical or surgical ICUs of 49 different hospitals in Spain. Methods: All consecutive patients (N = 6,593) admitted to ICUs of the participating hospitals who stayed for more than 24 hours during a 3-month period (from January 15 to April 15, 1996) were included. Length of ICU stay was compared between patients with and without nosocomial infections. Results: Uninfected patients (N = 5,868) had a median stay in the ICU of 3 days, whereas the median for infected patients (N = 725) was 17 days (P < .001). The median for infected patients with one episode of nosocomial infection was 13 days. The greatest length of stay (40 days) was among patients admitted to the ICU because of medical diseases, with an infection acquired before admission to the ICU, and with the largest number of nosocomial infection episodes. In extended stays, nosocomial infection was significantly associated with length of hospitalization (day 21; odds ratio, 22.38; 95% confidence interval, 16.6 to 30.4), whereas an effect of variables related to severity of illness on admission (Acute Physiology and Chronic Health Evaluation II score, urgent surgery, and infection prior to ICU admission) was not found. Conclusions: The presence of nosocomial infection and the number of infection episodes were the variables with the strongest association with prolonged hospital stay among ICU patients.
ISSN: 0899-823X
DOI: 10.1086/502191
Source: Infection Control and Hospital Epidemiology [ISSN 0899-823X],v. 24(3), p. 207-213
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