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Kuntaman K, Shigemura K, Osawa K, Kitagawa K, Sato K, Yamada N, Nishimoto K, Yamamichi F, Rahardjo D, Hadi U, Mertaniasih NM, Kinoshita S, Fujisawa M, Shirakawa T. Occurrence and characterization of carbapenem-resistant Gram-negative bacilli: A collaborative study of antibiotic-resistant bacteria between Indonesia and Japan. Int J Urol 2018; 25:966-972. [PMID: 30253445 DOI: 10.1111/iju.13787] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 07/26/2018] [Indexed: 12/11/2022]
Abstract
OBJECTIVES To explore the occurrence and characterization of carbapenemase-producing pathogens among carbapenem-resistant Gram-negative bacilli isolated from hospitalized patients with urinary tract infection in Indonesia. METHODS This was a study promoted by the Japanese-Indonesian collaborative research program in the Japan Initiative for Global Research Network on Infectious Diseases. Bacterial pathogens were prospectively isolated from urine specimens of hospitalized urinary tract infection patients at Dr. Soetomo Hospital (Surabaya, Indonesia). All Gram-negative bacteria resistant to third-generation cephalosporin or carbapenem were included in this study. Carbapenemase genes were investigated for phenotype and genotype. RESULTS In total, 1082 Gram-negative bacilli were isolated, of which 116 strains were resistant to imipenem or meropenem (carbapenem-resistant Gram-negative bacilli), and 22 strains were carbapenemase-producing Gram-negative bacilli. Carbapenemase-producing Gram-negative bacilli consisted of Acinetobacter baumannii (n = 4), Pseudomonas aeruginosa (n = 4), Klebsiella pneumoniae (n = 5), Providencia rettgeri (n = 4) and five others. The carbapenemase-producing Gram-negative bacilli included NDM-1 (n = 18, 81.8%, in Enterobacteriaceae and Acinetobacter spp.) and IMP-7 (n = 4, 18.2%, all in P. aeruginosa). Among carbapenem-resistant Gram-negative bacilli, all four P. aeruginosa were sensitive to colistin, and all six Acinetobacter spp. were sensitive to minocycline, colistin and tigecycline. Of those patients harboring carbapenemase-producing Gram-negative bacilli, 12 (54.5%) were seriously ill at the time of admission, with longer hospital stays and three deaths (13.6% mortality rate). CONCLUSIONS Urinary tract infection-causing carbapenem-resistant Gram-negative bacilli are widely disseminated in Indonesia. The NDM-1 phenotype seems to be dominant, and it can be treated with colistin and tigecycline in most cases. Most patients harboring carbapenemase-producing Gram-negative bacilli are seriously ill, have a bad prognosis, with a longer hospital stay and a significant mortality rate.
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Affiliation(s)
- Kuntaman Kuntaman
- Department of Microbiology, Faculty of Medicine, Airlangga University and Dr. Soetomo Hospital, Surabaya, Indonesia.,Institute of Tropical Disease, Airlangga University, Surabaya, Indonesia
| | - Katsumi Shigemura
- Division of Infectious Diseases, Department of International Health, Kobe University Graduate School of Health Sciences, Kobe, Japan.,Department of Urology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Kayo Osawa
- Department of Biophysics, Kobe University Graduate School of Health Sciences, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Koichi Kitagawa
- Division of Translational Research for Biologics, Department of Internal Related, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Koharu Sato
- Division of Infectious Diseases, Department of International Health, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Naoki Yamada
- Division of Infectious Diseases, Department of International Health, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Kento Nishimoto
- Division of Infectious Diseases, Department of International Health, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Fukashi Yamamichi
- Department of Biophysics, Kobe University Graduate School of Health Sciences, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Dadik Rahardjo
- Institute of Tropical Disease, Airlangga University, Surabaya, Indonesia
| | - Usman Hadi
- Department of Microbiology, Faculty of Medicine, Airlangga University and Dr. Soetomo Hospital, Surabaya, Indonesia.,Department of Internal Medicine, Faculty of Medicine, Airlangga University and Dr. Soetomo Hospital, Surabaya, Indonesia
| | - Ni Made Mertaniasih
- Department of Microbiology, Faculty of Medicine, Airlangga University and Dr. Soetomo Hospital, Surabaya, Indonesia.,Institute of Tropical Disease, Airlangga University, Surabaya, Indonesia
| | - Shohiro Kinoshita
- Department of Urology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Masato Fujisawa
- Department of Urology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Toshiro Shirakawa
- Department of Urology, Kobe University Graduate School of Medicine, Kobe, Japan.,Division of Translational Research for Biologics, Department of Internal Related, Kobe University Graduate School of Medicine, Kobe, Japan.,Division of Advanced Medical Science, Kobe University Graduate School of Science, Technology and Innovation, Kobe, Japan
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