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      Implementación de un programa de uso regulado de antibióticos en 2 unidades de cuidado intensivo medico-quirúrgico en un hospital universitario de tercer nivel en Colombia Translated title: Implementation of a regulated antibiotic use program in two medical-surgical intensive units care in a third level mayor teaching hospital in Colombia

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          Abstract

          Objetivo: Evaluar el impacto de un programa de uso regulado de antibióticos en adherencia, consumo antibiótico y resistencia bacteriana en 2 unidades de cuidados intensivos (UCI) de un hospital universitario de tercer nivel en Colombia. Materiales y Método: Estudio prospectivo observacional de intervención que analiza 2 períodos en el tiempo en 2 UCI: preintervención (agosto de 2008 a febrero de 2009) y posintervención (marzo a septiembre de 2009). El estudio se llevó a cabo en el Hospital Universitario del Valle Evaristo García E.S.E. Se evaluaron: adherencia a guías de uso de antibióticos creadas por epidemiología hospitalaria, consumo antibiótico en dosis diaria definida e incidencia acumulada mensual de infección por Escherichia coli (E. coli) y Klebsiella pneumoniae (K. pneumoniae) BLEE, Pseudomonas aeruginosa (P. aeruginosa) resistente a quinolonas y cefalosporinas de cuarta generación, Staphylococcus aureus resistente a oxacilina y Acinetobacter baumannii multirresistente. Resultados: Se encontró adherencia a guías de uso de antibióticos superior al 80% para ambas UCI durante la intervención. Se redujo significativamente el consumo de meropenem (UCI-1 p = 0,009/UCI-2 p = 0,000), vancomicina (UCI-1 y UCI-2 p = 0,018), ceftriaxona (UCI-1 p = 0,015/ UCI-2 p = 0,018), ciprofloxacina (UCI-1 p = 0,027/UCI-2 p = 0,018), se incrementó el consumo de piperacilina/tazobactam (UCI-1 p = no significativa/UCI-2 p = 0,017) y cefepime (UCI-1 p = 0,028/UCI-2 p = 0,004). Se redujo la incidencia de infección por E. coli y K. pneumoniae BLEE + (UCI-1 83%/UCI-2 78%), P. aeruginosa resistente a ciprofloxacina (UCI-1 87%/UCI-2 82%) y cefalosporinas de cuarta generación (UCI-1 83%/UCI-2 76%). Conclusiones: La creación de un programa de uso regulado de antibióticos reduce significativamente el consumo y los costos de antibióticos en las UCI del Hospital Universitario del Valle y la infección por microorganismos resistentes.

          Translated abstract

          Objective: To determine the impact of a Program of Regulated Use of Antibiotics in adherence, antibiotic use and bacterial resistance in two medical-surgical Intensive Units Care (ICU´s) in a third level mayor teaching hospital in Colombia. Materials and Methods: Prospective observational study of intervention that examines two time periods in two ICU: pre-intervention (august/2008 to February/2009) and post-intervention (march to September/2009). The study was carried out in the Hospital Universitario del Valle Evaristo García E.S.E. (H.U.V). We evaluated adherence to the antibiotic therapy guidelines established by Hospital Epidemiology, antibiotic use measured by Defined Daily Doses and monthly incidence of infection by ESBL producer E.coli and K.pneumoniae, P.aeruginosa fluoroquinolone and four generation cephalosporin resistant, oxacilin resistant S.aureus and multidrug resistant A.baumannii. Results: The adherence to the antibiotic guidelines of antibiotic use was greater to 80% for the both ICU during the intervention period. Antibiotic use was significantly reduced for meropenem (ICU1 p=0,009/ICU2 p=0,000), vancomycin (ICU1-ICU2 p=0,018), ceftriaxone (ICU1 p=0,015/ICU2 p=0,018), ciprofloxacin (ICU1 p=0,027/ICU2 p=0,018), and increased the used of piperacilin/tazobactam (ICU2 p=0,017), and cefepime (ICU1 p=0,028/ICU2 p=0,004). The incidences of infection by ESBL producer E.coli and K.pneumoniae (ICU1 83%/ ICU2 78%), ciprofloxacin resistant and four generation cephalosporin resistant P.aeruginosa (ICU1 87%/ ICU2 82%) and (ICU1 83%/ICU2 76%) ware also reduced. Conclusions: The implementation of a Program of Regulated Use of Antibiotics reduces antibiotics use and resistant micro-organism specific infection rate in the Hospital Universitario del Valle´s ICU.

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          Do practice guidelines guide practice? The effect of a consensus statement on the practice of physicians.

          Guidelines for medical practice can contribute to improved care only if they succeed in moving actual practice closer to the behaviors the guidelines recommend. To assess the effect of such guidelines, we surveyed hospitals and obstetricians in Ontario before and after the release of a widely distributed and nationally endorsed consensus statement recommending decreases in the use of cesarean sections. These surveys, along with discharge data from hospitals reflecting actual practice, revealed that most obstetricians (87 to 94 percent) were aware of the guidelines and that most (82.5 to 85 percent) agreed with them. Attitudes toward the use of cesarean section were congruent with the recommendations even before their release. One third of the hospitals and obstetricians reported changing their practice as a consequence of the guidelines, and obstetricians reported rates of cesarean section in women with a previous cesarean section that were significantly reduced, in keeping with the recommendations (from 72.2 percent to 61.1 percent; P less than 0.01). The surveys also showed, however, that knowledge of the content of the recommendations was poor (67 percent correct responses). Furthermore, data on actual practice after the publication of the guidelines showed that the rates of cesarean section were 15 to 49 percent higher than the rates reported by obstetricians, and they showed only a slight change from the previous upward trend. We conclude that guidelines for practice may predispose physicians to consider changing their behavior, but that unless there are other incentives or the removal of disincentives, guidelines may be unlikely to effect rapid change in actual practice. We believe that incentives should operate at the local level, although they may include system-wide economic changes.
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            Emergence of antibiotic-resistant Pseudomonas aeruginosa: comparison of risks associated with different antipseudomonal agents.

            Pseudomonas aeruginosa is a leading cause of nosocomial infections. The risk of emergence of antibiotic resistance may vary with different antibiotic treatments. To compare the risks of emergence of resistance associated with four antipseudomonal agents, ciprofloxacin, ceftazidime, imipenem, and piperacillin, we conducted a cohort study, assessing relative risks for emergence of resistant P. aeruginosa in patients treated with any of these drugs. A total of 271 patients (followed for 3,810 days) with infections due to P. aeruginosa were treated with the study agents. Resistance emerged in 28 patients (10.2%). Adjusted hazard ratios for the emergence of resistance were as follows: ceftazidime, 0.7 (P = 0.4); ciprofloxacin, 0.8 (P = 0.6); imipenem, 2.8 (P = 0.02); and piperacillin, 1.7 (P = 0.3). Hazard ratios for emergence of resistance to each individual agent associated with treatment with the same agent were as follows: ceftazidime, 0.8 (P = 0.7); ciprofloxacin, 9.2 (P = 0.04); imipenem, 44 (P = 0.001); and piperacillin, 5.2 (P = 0.01). We concluded that there were evident differences among antibiotics in the likelihood that their use would allow emergence of resistance in P. aeruginosa. Ceftazidime was associated with the lowest risk, and imipenem had the highest risk.
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              Society for Healthcare Epidemiology of America and Infectious Diseases Society of America Joint Committee on the Prevention of Antimicrobial Resistance: guidelines for the prevention of antimicrobial resistance in hospitals.

              Antimicrobial resistance results in increased morbidity, mortality, and costs of health care. Prevention of the emergence of resistance and the dissemination of resistant microorganisms will reduce these adverse effects and their attendant costs. Appropriate antimicrobial stewardship that includes optimal selection, dose, and duration of treatment, as well as control of antibiotic use, will prevent or slow the emergence of resistance among microorganisms. A comprehensively applied infection control program will interdict the dissemination of resistant strains.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                inf
                Infectio
                Infect.
                Asociación Colombiana de Infectología. (Bogotá )
                0123-9392
                December 2012
                : 16
                : 4
                : 192-198
                Affiliations
                [1 ] , Hospital Universitario del Valle Evaristo García E.S.E Colombia
                Article
                S0123-93922012000400002
                10.1016/S0123-9392(12)70013-9
                f8db672c-7bf9-4efd-839c-09db6dc11f41

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Colombia

                Self URI (journal page): http://www.scielo.org.co/scielo.php?script=sci_serial&pid=0123-9392&lng=en
                Categories
                INFECTIOUS DISEASES

                Infectious disease & Microbiology
                Antibiotic stewardship program,Regulated use,Bacterial resistance,Bacteria,Defined daily dose,Programa de antibióticos,Uso regulado,Resistencia bacteriana,Bacterias,Dosis diaria definida

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