Abstract
Objectives
The aim of this study was to more precisely delineate the characteristics and outcomes of bloodstream infections in adult cancer patients.
Methods
Using a database for nationwide surveillance of bacteremia, we analyzed data related to bacteremia in adult patients with cancer in order to evaluate clinical features and outcomes and to define predictive factors for mortality.
Results
Of 1,246 patients, 896 (71.9%) had solid tumors, 328 (26.3%) had hematologic malignancies, and 22 (1.8%) had both. The following conditions were more common in the neutropenic group than in the non-neutropenic group: nosocomial acquisition, hematologic malignancy, corticosteroid use, immunosuppressant use, primary bacteremia, and pneumonia (all P < 0.05). The infections were caused by Gram-negative bacilli in 55.6% and by Gram-positive cocci in 32.7%. Gram-negative pathogens were more frequently isolated from neutropenic patients than from non-neutropenic patients (61.9% vs. 53.5%, P = 0.010), with a significant predominance of Escherichia coli and Klebsiella pneumoniae. Among 1,001 patients whose outcomes could be evaluated, the overall 30-day mortality rate was 24.1%, and multivariate analysis showed that Staphylococcus aureus bacteremia was a significant factor associated with mortality (odds ratio (OR), 1.80; 95% confidence interval (CI), 1.03–3.15), along with nosocomial acquisition, pneumonia, severe sepsis or septic shock, and higher Pitt bacteremia score (all P values <0.05).
Conclusion
This study represents the comprehensive assessment of bloodstream infections in neutropenic versus non-neutropenic cancer patients. Given the pathogenic significance of S. aureus bacteremia in adult patients with cancer, additional strategies for the management of S. aureus bacteremia in cancer patients are needed to improve outcomes.
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Acknowledgments
This study was supported by a grant from the Korea Healthcare Technology R&D Project, Ministry for Health & Welfare, Republic of Korea (A102065). The authors would like to thank all participating investigators. KONSID members are as follows: Jae-Hoon Song, Cheol-In Kang, Doo Ryeon Chung, Kyong Ran Peck, Nam Yong Lee, and Yae Jean Kim (Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea); Kwan Soo Ko (Sungkyunkwan University School of Medicine, Suwon, South Korea); Joon-Sup Yeom (Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, South Korea); Yu Mi Wi (Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, South Korea); Hyun Kyun Ki and Hae Suk Cheong (Konkuk University Hospital, Seoul, South Korea); Jun Seong Son (Kyunghee University Hospital at Gangdong, Seoul, South Korea); Choon Kwan Kim (Seoul Veterans Hospital, Seoul, South Korea); Jin Seo Lee (Kangdong Sacred Heart Hospital, Hallym University School of Medicine, Seoul, South Korea); Seung Soon Lee (Hallym University Sacred Heart Hospital, Hallym University School of Medicine, Seoul, South Korea); Eun Seok Kim (Anyang Sam Hospital, Anyang, South Korea); Yeon-Sook Kim (Chungnam National University Hospital, Daejeon, South Korea); Ji-Young Rhee (Dankook University Hospital, Cheonan, South Korea); Sook-In Jung and Kyung Hwa Park (Chonnam National University Hospital, Gwangju, South Korea); Shin-Woo Kim and Hyun-Ha Chang (Kyungpook National University Hospital, Daegu, South Korea); Seong Yeol Ryu (Keimyung University Dongsan Medical Center, Daegu, South Korea); Ki Tae Kwon (Daegu Fatima Hospital, Daegu, South Korea); Hyuck Lee and Dong Sik Jung (Dong-A University Hospital, Busan, South Korea); Chisook Moon (Inje University Busan Paik Hospital, Busan, South Korea); Sang Taek Heo (Jeju National University Hospital, Jeju, South Korea); and Sang Yop Shin (National Evidence-based Healthcare Collaborating Agency, Seoul, South Korea).
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Kang, CI., Song, JH., Chung, D.R. et al. Bloodstream infections in adult patients with cancer: clinical features and pathogenic significance of Staphylococcus aureus bacteremia. Support Care Cancer 20, 2371–2378 (2012). https://doi.org/10.1007/s00520-011-1353-z
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DOI: https://doi.org/10.1007/s00520-011-1353-z