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Device-associated infection rates and mortality in intensive care units of Peruvian hospitals: findings of the International Nosocomial Infection Control Consortium

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Date
2008
Author
Cuellar, Luis E
Fernandez-Maldonado, Eduardo
Rosenthal, Victor D
Castaneda-Sabogal, Alex
Rosales, Rosa
Mayorga-Espichan, Manuel J
Camacho-Cosavalente, Luis A
Castillo-Bravo, Luis I
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Abstract
OBJECTIVES: To measure device-associated infection (DAI) rates, microbiological profiles, bacterial resistance, and attributable mortality in intensive care units (ICUs) in hospitals in Peru that are members of the International Nosocomial Infection Control Consortium (INICC). METHODS: Prospective cohort surveillance of DAIs was conducted in ICUs in four hospitals applying the definitions for nosocomial infections of the U.S. Centers for Disease Control and Prevention National Nosocomial Infections Surveillance System (CDC-NNIS) and National Healthcare Safety Network (NHSN). RESULTS: From September 2003 to October 2007 1 920 patients hospitalized in ICUs for an aggregate of 9 997 days acquired 249 DAIs, accounting for a rate of 13.0 percent and 24.9 DAIs per 1 000 ICU-days. The ventilator-associated pneumonia (VAP) rate was 31.3 per 1 000 ventilator-days; the central venous catheter-associated bloodstream infections (CVC-BSI) rate was 7.7 cases per 1 000 catheter-days; and the rate for catheter-associated urinary tract infections (CAUTI) was 5.1 cases per 1 000 catheter-days. Extra mortality for VAP was 24.5 percent (RR 2.07, P 0.001); for CVC-BSI the rate was 15.0 percent (RR 2.75, P = 0.028). Methicillin-resistant strains accounted for 73.5 percent of all Staphylococcus aureus DAIs; 40.5 percent of the Enterobacteriaceae were resistant to ceftriaxone, 40.8 percent were resistant to ceftazidime, and 32.0 percent were resistant to piperacillin-tazobactam. Sixty-five percent of Pseudomonas aeruginosa isolates were resistant to ciprofloxacin, 62.0 percent were resistant to ceftazidime, 29.4 percent were resistant to piperacillin-tazobactam, and 36.1 percent were resistant to imipenem. CONCLUSIONS: The high rates of DAIs in the Peruvian hospitals in this study indicate the need for active infection control. Programs consisting of surveillance of DAIs and implementation of guidelines for infection prevention can ensure improved patient...(AU)
 
OBJETIVOS: Determinar las tasas de infecciones asociadas a aparatos (IAA), sus perfiles microbiológicos y la resistencia bacteriana, así como la mortalidad atribuible a estas infecciones en unidades de cuidados intensivos (UCI) de hospitales de Perú, miembros del Consorcio Internacional para el Control de las Infecciones Nosocomiales (INICC). MÉTODOS: Se hizo un seguimiento retrospectivo de cohorte de las IAA en las UCI de cuatro hospitales, según las definiciones de infección nosocomial del Sistema Nacional de Vigilancia de Infecciones Nosocomiales de los Centros para el Control y la Prevención de Enfermedades (CDC-NNIS) y de la Red Nacional de Seguridad Sanitaria (NHSN), de los Estados Unidos de América. RESULTADOS: De septiembre de 2003 a octubre de 2007, 1 920 pacientes hospitalizados en las UCI, con un total de 9 997 días, adquirieron 249 IAA, para una tasa de 13,0 por paciente (24,9 IAA por 1 000 días-UCI). La tasa de neumonía asociada a respiradores (NAR) fue de 31,3 casos por 1 000 días-ventilador; la tasa de infecciones circulatorias asociadas con cateterismo venoso central (IC-CVC) fue de 7,7 casos por 1 000 díascatéter; y la tasa de infecciones urinarias asociadas con el uso de catéteres (IUAC) fue de 5,1 casos por días-catéter. La mortalidad adicional por NAR fue de 24,5 por ciento (RR = 2,07; P 0,001) y por IC-CVC fue de 15,0 por ciento (RR = 2,75; P = 0,028). De las IAA por Staphylococcus aureus, 73,5 por ciento se debían a cepas resistentes a la meticilina; de los aislamientos de Enterobacteriaceae, 40,5 por ciento eran resistentes a la ceftriaxona, 40,8 por ciento a la ceftazidima y 32,0 por ciento a la piperacilina-tazobactam. De los aislamientos de Pseudomonas aeruginosa, 65,0 por ciento eran resistentes a la ciprofloxacina; 62,0 por ciento a la ceftazidima; 36,1 por ciento al imipenem; y 29,4 por ciento a la piperacilina-tazobactam. CONCLUSIONES: Las elevadas tasas de IAA encontradas en los hospitales peruanos señalan...(AU)
 
Series
Rev Panam Salud Publica;24(1),jul. 2008
Subject
Bacterial infection; Cross infection; Drug Resistance, Bacterial; Hospitals; Infection control; Intensive care units; Length of Stay; Mortality; Peru; Infecciones Bacterianas; Infección Hospitalaria; Farmacorresistencia Bacteriana; Hospitales; Control de Infecciones; Unidades de terapia intensiva; Tiempo de internación; Mortalidad; Peru; Cateterismo; Infecção Hospitalar; Infecção Hospitalar; Contaminação de Equipamentos; Unidades de Terapia Intensiva; Pneumonia Associada à Ventilação Mecânica; Pneumonia Associada à Ventilação Mecânica; Peru; Estudos Prospectivos
URI
http://www.scielosp.org/scielo.php?script=sci_arttext&pid=S1020-49892008000700002
https://iris.paho.org/handle/10665.2/9967
Citation
Cuellar, Luis E,Fernandez-Maldonado, Eduardo,Rosenthal, Victor D,Castaneda-Sabogal, Alex,Rosales, Rosa,Mayorga-Espichan, Manuel J,Camacho-Cosavalente, Luis A,Castillo-Bravo, Luis I (2008) Device-associated infection rates and mortality in intensive care units of Peruvian hospitals: findings of the International Nosocomial Infection Control Consortium. Rev Panam Salud Publica;24(1) 16-24,jul. 2008. Retrieved from http://www.scielosp.org/scielo.php?script=sci_arttext&pid=S1020-49892008000700002
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