Journal of clinical gastroenterology · 2007
Epidemiology of bloodstream infections in patients receiving long-term total parenteral nutrition.
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Marra Alexandre R, Opilla Marianne, Edmond Michael B, Kirby Donald F
Аннотация
GOALS: To describe the epidemiology and microbiologic characteristics of bloodstream infections (BSIs) in patients receiving long-term total parenteral nutrition (TPN).
BACKGROUND: Home TPN therapy has been reported as a risk factor for BSI. However, little knowledge exists regarding the epidemiology of BSIs in this patient group.
STUDY: A descriptive, observational epidemiologic study of patients receiving long-term TPN from January 1981 to July 2005 was performed. Variables analyzed include age, gender, time of follow-up, number of BSIs, microbiologic characteristics, underlying disease necessitating long-term TPN, catheter type, complications related to TPN, and clinical outcome.
RESULTS: Forty-seven patients receiving long-term TPN were evaluated. The most frequent indication for long-term TPN was ischemic bowel disease (25.5%). The mean duration of follow-up was 4.5 years. Thirty-eight patients (80.9%) developed 248 BSIs while receiving TPN. More than 1 BSI episode occurred in 78.9% of these patients, and 23.8% of BSI episodes were polymicrobial. The most prevalent pathogen was coagulase negative staphylococci (33.5%). The most frequent complication among patients with BSI was central venous thrombosis (44.7%). Five patients were intravenous drug users. There were 11 deaths among the patients on long-term TPN, 4 of these were related to infection and 4 were related to intravenous drug use.
CONCLUSIONS: The incidence of BSI is high, and a significant proportion of BSIs in long-term TPN patients are polymicrobial and due to multidrug-resistant bacteria and fungi. Careful management of the infusion line is required and interventions are needed to reduce the risk of catheter-related infections in this population.
BACKGROUND: Home TPN therapy has been reported as a risk factor for BSI. However, little knowledge exists regarding the epidemiology of BSIs in this patient group.
STUDY: A descriptive, observational epidemiologic study of patients receiving long-term TPN from January 1981 to July 2005 was performed. Variables analyzed include age, gender, time of follow-up, number of BSIs, microbiologic characteristics, underlying disease necessitating long-term TPN, catheter type, complications related to TPN, and clinical outcome.
RESULTS: Forty-seven patients receiving long-term TPN were evaluated. The most frequent indication for long-term TPN was ischemic bowel disease (25.5%). The mean duration of follow-up was 4.5 years. Thirty-eight patients (80.9%) developed 248 BSIs while receiving TPN. More than 1 BSI episode occurred in 78.9% of these patients, and 23.8% of BSI episodes were polymicrobial. The most prevalent pathogen was coagulase negative staphylococci (33.5%). The most frequent complication among patients with BSI was central venous thrombosis (44.7%). Five patients were intravenous drug users. There were 11 deaths among the patients on long-term TPN, 4 of these were related to infection and 4 were related to intravenous drug use.
CONCLUSIONS: The incidence of BSI is high, and a significant proportion of BSIs in long-term TPN patients are polymicrobial and due to multidrug-resistant bacteria and fungi. Careful management of the infusion line is required and interventions are needed to reduce the risk of catheter-related infections in this population.