ABSTRACT
Objetivos: El objetivo primario fue determinar si la traqueobronquitis asociada a ventilación mecánica (TAV) está asociada con un aumento de estancia en UCI. Los objetivos secundarios incluyeron prolongación de estancia hospitalaria, así como mortalidad en UCI y hospitalaria. Diseño: Estudio retrospectivo caso-control. Apareamos cada caso con un control en base a los siguientes criterios: periodo de VM al menos tan extenso, como el tiempo en que el caso desarrolla la TAV ± 2 días, gravedad evaluada por la escala APACHE II al ingreso en UCI, igual ± 3, igual motivo de ingreso del paciente, igual edad ± 10 años. Pacientes: Pacientes adultos ingresados en una UCI polivalente de 30 camas, con el diagnóstico de TAV en el periodo 2013-2016. Resultados: Identificamos 76 pacientes con TAV que ingresaron en UCI en el periodo de estudio. No se encontraron controles adecuados para 3 pacientes con TAV. No se encontraron diferencias significativas entre ambos grupos en cuanto a características demográficas, motivo de ingreso y comorbilidades. La estancia media en UCI de los pacientes con traqueobronquitis asociada a ventilación mecánica fue más prolongada en los casos que en los controles, mediana 22d (14-35), comparada con los controles mediana 15d (8-27), p=0,02. Los casos presentaron mayor número de días de VM respecto a los controles, mediana 18 días (9-28) vs. 9 días (5-16) p = 0,03. No encontramos diferencias significativas respecto a la estancia hospitalaria 40d (28-61) vs. 35d (23-54), p= 0,32; mortalidad en UCI (20,5 vs. 31,5% p=0,13) y mortalidad hospitalaria (30,1 vs. 43,8% p= 0,09). Realizamos un análisis del subgrupo de pacientes con TAV con documentación microbiológica y tratamiento empírico adecuado sin encontrar diferencias significativas en ninguno de los aspectos analizados. Conclusiones: La TAV, prolonga los días de estancia en UCI y de ventilación mecánica. Este efecto desaparece cuando los pacientes reciben tratamiento empírico adecuado
Objectives: The main objective was to determine whether ventilator-associated tracheobronchitis (VAT) is related to increased length of ICU stay. Secondary endpoints included prolongation of hospital stay, as well as, ICU and hospital mortality. Design: A retrospective matched case-control study. Each case was matched with a control for duration of ventilation (± 2 days until development of ventilator-associated tracheobronchitis), disease severity (Acute Physiology and Chronic Health Evaluation II) at admission ± 3, diagnostic category and age ±10 years. Patients: Critically ill adults admitted to a polyvalent 30-beds ICU with the diagnosis of VAT in the period 2013-2016. Main results: We identified 76 cases of VAT admitted to our ICU during the study period. No adequate controls were found for 3 patients with VAT. There were no significant differences in demographic characteristics, reasons for admission and comorbidities. Patients with VAT had a longer ICU length of stay, median 22 days (14-35), compared to controls, median 15 days (8-27), p=.02. Ventilator days were also significantly increased in VAT patients, median 18 (9-28) versus 9 days (5-16), p=.03. There was no significant difference in total hospital length of stay 40 (28-61) vs. 35days (23-54), p=.32; ICU mortality (20.5 vs. 31.5% p=.13) and hospital mortality (30.1 vs. 43.8% p=.09). We performed a subanalysis of patients with microbiologically proven VAT receiving adequate antimicrobial treatment and did not observe significant differences between cases and the corresponding controls. Conclusions: VAT is associated with increased length of intensive care unit stay and longer duration of mechanical ventilation. This effect disappears when patients receive appropriate empirical treatment
Subject(s)
Humans , Male , Female , Middle Aged , Aged , Pneumonia, Ventilator-Associated , Tracheitis/etiology , Bronchitis/etiology , Hospital Mortality , Length of Stay , Pneumonia, Ventilator-Associated/mortality , Tracheitis/mortality , Bronchitis/mortality , Case-Control Studies , Retrospective StudiesABSTRACT
OBJECTIVES: The main objective was to determine whether ventilator-associated tracheobronchitis (VAT) is related to increased length of ICU stay. Secondary endpoints included prolongation of hospital stay, as well as, ICU and hospital mortality. DESIGN: A retrospective matched case-control study. Each case was matched with a control for duration of ventilation (± 2 days until development of ventilator-associated tracheobronchitis), disease severity (Acute Physiology and Chronic Health Evaluation II) at admission ± 3, diagnostic category and age ±10 years. PATIENTS: Critically ill adults admitted to a polyvalent 30-beds ICU with the diagnosis of VAT in the period 2013-2016. MAIN RESULTS: We identified 76 cases of VAT admitted to our ICU during the study period. No adequate controls were found for 3 patients with VAT. There were no significant differences in demographic characteristics, reasons for admission and comorbidities. Patients with VAT had a longer ICU length of stay, median 22 days (14-35), compared to controls, median 15 days (8-27), p=.02. Ventilator days were also significantly increased in VAT patients, median 18 (9-28) versus 9 days (5-16), p=.03. There was no significant difference in total hospital length of stay 40 (28-61) vs. 35days (23-54), p=.32; ICU mortality (20.5 vs. 31.5% p=.13) and hospital mortality (30.1 vs. 43.8% p=.09). We performed a subanalysis of patients with microbiologically proven VAT receiving adequate antimicrobial treatment and did not observe significant differences between cases and the corresponding controls. CONCLUSIONS: VAT is associated with increased length of intensive care unit stay and longer duration of mechanical ventilation. This effect disappears when patients receive appropriate empirical treatment.
