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KMID : 1142020190540020120
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Blood Research
2019 Volume.54 No. 2 p.120 ~ p.124
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Determining the risk factors associated with the development of Clostridium difficile infection in patients with hematological diseases
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Lee-Tsai Yu Ling
Luna-Santiago Rodrigo
Demichelis-Gomez Roberta
Ponce-de-Leon Alfredo
Ochoa-Hein Eric
Tamez-Torres Karla Maria
Bourlon Maria T.
Bourlon Christianne
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Abstract
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Background: Clostridium difficile infection (CDI) is a nosocomial condition prevalent in patients with hematological disorders. We aimed to identify the risk factors associated with the development of CDI and assess the mortality rate at 15 and 30 days among hematologic patients admitted to a tertiary care center.
Methods: We conducted a retrospective case-control study from January 2010 to December 2015. Forty-two patients with hematologic malignancy and CDI, and 84 with hematologic disease and without history of CDI were included in the case and control groups, respectively.
Results: Univariate analysis revealed that episodes of febrile neutropenia [odds ratio (OR), 5.5; 95% confidence interval (CI), 2.3?12.9; P＜0.001], admission to intensive care unit (OR, 3.8; 95% CI, 1.4?10.2; P=0.009), gastrointestinal surgery (OR, 1.2; 95% CI, 1.1?1.4; P＜0.001), use of therapeutic (OR, 6.4; 95% CI, 2.5?15.9; P＜0.001) and prophylactic antibiotics (OR, 4.2; 95% CI, 1.6?10.7; P=0.003) in the last 3 months, and ＞1 hospitalization (OR, 5.6; 95% CI, 2.5?12.6; P＜0.001) were significant risk factors. Multivariate analysis showed that use of therapeutic antibiotics in the last 3 months (OR, 6.3; 95% CI, 2.1?18.8; P=0.001) and ＞1 hospitalization (OR, 4.3; 95% CI, 1.7?11.0; P=0.002) were independent risk factors. Three (7.1%) and 6 (14.2%) case patients died at 15 and 30 days, respectively.
Conclusion: The risk factors for developing CDI were exposure to therapeutic antibiotics and previous hospitalization. Hematological patients who developed CDI had higher early mortality rates, suggesting that new approaches for prevention and treatment are needed.
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KEYWORD
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Clostridium difficile, Hematologic diseases, Risk factors, Tertiary care centers
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