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Tada K, Shibata R, Nakamura T, Kawaguchi Y, Nakano Y, Ishii H, Ura K, Yamada H, Maekawa S, Ito K, Masutani K. Severe disseminated infection by hypermucoviscous Klebsiella pneumoniae successfully treated by intensive therapy with continuous hemodiafiltration using AN69ST: A case report and review of the literature. J Infect Chemother 2023; 29:1075-1080. [PMID: 37451619 DOI: 10.1016/j.jiac.2023.07.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 06/09/2023] [Accepted: 07/12/2023] [Indexed: 07/18/2023]
Abstract
Klebsiella pneumoniae (Kpn) is one of the most common gram-negative bacilli causing lung, urinary tract, and biliary tract infections. However, as a distinct entity from classic Kpn, hypervirulent Kpn causing liver abscess, endophthalmitis, and lung abscess with poor prognoses has been reported mainly in East and Southeast Asia since the mid-1980s. Although the definition of hypervirulent Kpn is unclear, the hypermucoviscosity of Kpn is considered an important feature of hypervirulence. We present a case of emphysematous pyelonephritis accompanied by septic shock and acute kidney injury caused by hypermucoviscous Kpn infection that was successfully treated by intensive treatment. A 70-year-old woman with type 2 diabetes mellitus was diagnosed with emphysematous pyelonephritis, and string test-positive Kpn was detected in blood and urine cultures and percutaneous catheter drainage fluid from the renal pelvis. The patient was treated with intensive therapies including antibiotics, ventilator management, and continuous hemodiafiltration (CHDF) using AN69ST, which can absorb cytokines. During the course of treatment, the infection was complicated by pyogenic spondylitis, which was cured by antimicrobial therapy, and the patient was transferred to another hospital for rehabilitation on day 119 after admission. Hypermucoviscous Kpn infection often has a severe course, and it is important to initiate multidisciplinary treatment at an early stage, including rifampicin, which is expected to inhibit the viscosity of hypermucoviscous Kpn. In the current case, immediate CHDF using AN69ST was also considered a life-saving treatment because it improved both volume overload and neutrophil-activated hypercytokinemia.
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Affiliation(s)
- Kazuhiro Tada
- Department of Nephrology, Saiseikai Futsukaichi Hospital, Fukuoka, Japan.
| | - Ryoko Shibata
- Department of Nephrology, Saiseikai Futsukaichi Hospital, Fukuoka, Japan
| | - Tsubasa Nakamura
- Department of Nephrology, Saiseikai Futsukaichi Hospital, Fukuoka, Japan
| | | | - Yuki Nakano
- Department of Pharmacy, Saiseikai Futsukaichi Hospital, Fukuoka, Japan
| | - Hidehiro Ishii
- Department of Diabetology, Saiseikai Futsukaichi Hospital, Fukuoka, Japan
| | - Kazuya Ura
- Department of General Internal Medicine, Saiseikai Futsukaichi Hospital, Fukuoka, Japan
| | - Hiroyoshi Yamada
- Department of Respiratory Medicine, Saiseikai Futsukaichi Hospital, Fukuoka, Japan
| | - Shinichi Maekawa
- Department of General Thoracic Surgery, Saiseikai Futsukaichi Hospital, Fukuoka, Japan
| | - Kenji Ito
- Division of Nephrology and Rheumatology, Department of Internal Medicine, Faculty of Medicine, Fukuoka University, Fukuoka, Japan
| | - Kosuke Masutani
- Division of Nephrology and Rheumatology, Department of Internal Medicine, Faculty of Medicine, Fukuoka University, Fukuoka, Japan
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Youn M, Lee JJ, Kim BK, Kang K, Lee WW, Yoo I. A case of invasive Klebsiella pneumoniae syndrome with ventriculitis. ENCEPHALITIS 2022; 2:89-91. [PMID: 37469459 PMCID: PMC10295916 DOI: 10.47936/encephalitis.2022.00010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 03/28/2022] [Accepted: 03/29/2022] [Indexed: 07/21/2023] Open
Affiliation(s)
- Michelle Youn
- Department of Neurology, Nowon Eulji Medical Center, Eulji University, Seoul, Korea
| | - Jung-Ju Lee
- Department of Neurology, Nowon Eulji Medical Center, Eulji University, Seoul, Korea
| | - Byung-Kun Kim
- Department of Neurology, Nowon Eulji Medical Center, Eulji University, Seoul, Korea
| | - Kyusik Kang
- Department of Neurology, Nowon Eulji Medical Center, Eulji University, Seoul, Korea
| | - Woong-Woo Lee
- Department of Neurology, Nowon Eulji Medical Center, Eulji University, Seoul, Korea
| | - Ilhan Yoo
- Department of Neurology, Nowon Eulji Medical Center, Eulji University, Seoul, Korea
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Valente-Acosta B, Vigil-Escalera-Bejarano M, Ochoa-Ramirez CA, Hoyo-Ulloa I. Hypermucoviscous Klebsiella pneumoniae invasive syndrome in a patient with diabetes without liver abscess. BMJ Case Rep 2022; 15:e250146. [PMID: 35487634 PMCID: PMC9058684 DOI: 10.1136/bcr-2022-250146] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/14/2022] [Indexed: 12/24/2022] Open
Abstract
Klebsiella pneumoniae is part of the human gastrointestinal microbiota. It is also a well-known cause of community and nosocomial infections, involving mainly the lung and urinary tract. An invasive syndrome with liver abscess due to a new hypervirulent strain of K. pneumoniae was recently described. Several cases have been reported, mainly in Asia. Here, we show a case of a patient with an extrahepatic involvement affecting the lung and prostate.
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Affiliation(s)
| | | | | | - Irma Hoyo-Ulloa
- Internal Medicine & Infectious Diseases, Centro Medico ABC, Ciudad de México, Mexico
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Rasouli M, Honeybul S. Hydrocephalus as a delayed presentation of Klebsiella pneumoniae ventriculitis: a case report. FUTURE NEUROLOGY 2022. [DOI: 10.2217/fnl-2021-0011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new hypervirulent variant of Klebsiella pneumoniae has emerged. In contrast to classic Klebsiella pneumoniae, it can cause serious and life-threatening infection. It has the ability of spreading from the gastrointestinal and genitourinary systems in non immunocompromised patients to the liver, lung, brain and the eye. High morbidity and mortality have been reported especially if there is a CNS involvement. A prompt search for a distant infective metastasis and its early treatment can improve the outcome. This is a report of a patient presenting with delayed obstructive hydrocephalus secondary to an obstructive urosepsis.
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Affiliation(s)
- Mohammad Rasouli
- Department of Neurosurgery, Sir Charles Gairdner Hospital, Nedlands, Western Australia, 6009, Australia
| | - Stephen Honeybul
- Department of Neurosurgery, Sir Charles Gairdner Hospital, Nedlands, Western Australia, 6009, Australia & Royal Perth Hospital, Wellington Street, Perth, Western Australia, 6000, Australia
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Konagaya K, Yamamoto H, Suda T, Tsuda Y, Isogai J, Murayama H, Arakawa Y, Ogino H. Ruptured Emphysematous Prostatic Abscess Caused by K1-ST23 Hypervirulent Klebsiella pneumoniae Presenting as Brain Abscesses: A Case Report and Literature Review. Front Med (Lausanne) 2022; 8:768042. [PMID: 35047523 PMCID: PMC8761798 DOI: 10.3389/fmed.2021.768042] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 12/06/2021] [Indexed: 11/18/2022] Open
Abstract
Emphysematous prostatic abscess (EPA) is an extremely rare but potentially fatal urinary tract infection (UTI). Here, we describe a case (a 69-year-old male with prediabetes) of ruptured EPA caused by a hypervirulent Klebsiella pneumoniae (hvKp) K1-ST23 strain, presenting as motor aphasia. Our patient presented with ruptured EPA concurrent with various severe systemic pyogenic complications (e.g., urethro-prostatic fistula, ascending UTIs, epididymal and scrotal abscesses, and liver, lung, and brain abscesses). Whole-body computed tomography (CT) and next-generation sequencing (NGS) were useful for the detection of ruptured EPA and its systemic complications, and for identification of K1-ST23 hvKp strains, respectively. Subsequently, the infections were successfully treated with aggressive antimicrobial therapy and multiple surgical procedures. This case highlights the significance of awareness of this rare entity, the clinical importance of CT for the early diagnosis of EPA and the detection of its systemic complications in view of hvKp being an important causative organism of severe community-acquired UTI, and the usefulness of NGS to identify hvKp strains.
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Affiliation(s)
- Kensuke Konagaya
- Department of Surgery, Narita-Tomisato Tokushukai Hospital, Chiba, Japan
| | - Hiroyuki Yamamoto
- Department of Cardiovascular Medicine, Narita-Tomisato Tokushukai Hospital, Chiba, Japan
| | - Tomoyuki Suda
- Department of Surgery, Narita-Tomisato Tokushukai Hospital, Chiba, Japan
| | - Yusuke Tsuda
- Department of Bacteriology, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Jun Isogai
- Department of Radiology, Asahi General Hospital, Asahi, Japan
| | - Hiroyuki Murayama
- Department of Surgery, Narita-Tomisato Tokushukai Hospital, Chiba, Japan
| | - Yoshichika Arakawa
- Department of Bacteriology, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Hidemitsu Ogino
- Department of Surgery, Narita-Tomisato Tokushukai Hospital, Chiba, Japan
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Davoudabadi S, Goudarzi H, Goudarzi M, Ardebili A, Faghihloo E, Sharahi JY, Hashemi A. Detection of extensively drug-resistant and hypervirulent Klebsiella pneumoniae ST15, ST147, ST377 and ST442 in Iran. Acta Microbiol Immunol Hung 2021; 69:77-86. [PMID: 34546968 DOI: 10.1556/030.2021.01562] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 09/03/2021] [Indexed: 01/12/2023]
Abstract
In this study, we focused on the emergence of extensively drug-resistant (XDR), pandrug-resistant (PDR), and hypervirulent Klebsiella pneumoniae (hvKP) in Iran. During 2018 to 2020 a total of 52 K. pneumoniae isolates were collected from different clinical specimens. The hvKP isolates were identified by PCR amplification of virulence and capsular serotype-specific genes. Hypermucoviscous K. pneumoniae (hmKP) were identified by string test. Carbapenem-resistant hvKP (CR-hvKP), multidrug-resistant hvKP (MDR-hvKP), extensively drug-resistant hvKP (XDR-hvKP), and pandrug-resistant hvKP (PDR-hvKP) were determined by disc diffusion method, Carba-NP test and PCR method. XDR-hvKP isolates were typed by multilocus sequence typing (MLST). Among all K. pneumoniae isolates 14 (26.9%) were identified as hvKP and 78.6% (11/14) of them were hmKP however, none of the classic K. pneumoniae (cKP) isolates were hmKP. The predominant capsular serotype of hvKP was K2 (42.85%) followed by K1 (35.71%). The prevalence of MDR-hvKP, XDR-hvKP and PDR-hvKP isolates were 6 (42.9%), 5 (35.7%) and 1 (7.1%), respectively. ESBL production was found in 85.7% of hvKP isolates and most of them carried bla TEM gene (78.6%) and 6 isolates (42.9%) were CR-hvKP. Among hvKP isolates, 1 (7.1%), 2 (14.3%), 3 (21.4%), 8 (28.6%), and 11 (78.6%) carried bla NDM-6, bla OXA-48, bla CTX-M, bla SHV, and bla TEM genes, respectively. According to MLST analysis, 2, 1, 1, and 1 XDR-hvKP isolates belonged to ST15, ST377, ST442, and ST147, respectively. The occurrence of such isolates is deeply concerning due to the combination of hypervirulence and extensively drug-resistance or pandrug-resistance.
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Affiliation(s)
- Sara Davoudabadi
- 1 Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hossein Goudarzi
- 1 Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mehdi Goudarzi
- 1 Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abdollah Ardebili
- 2 Department of Microbiology, Faculty of Medicine, Golestan University of Medical Sciences, Gorgan, Iran
| | - Ebrahim Faghihloo
- 1 Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Javad Yasbolaghi Sharahi
- 1 Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ali Hashemi
- 1 Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Park SH, Ryu WS. Ventriculitis Associated with Extended Spectrum Beta-Lactamase Producing Klebsiella pneumoniae after Acupuncture. JOURNAL OF NEUROCRITICAL CARE 2017. [DOI: 10.18700/jnc.170011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
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Ye M, Tu J, Jiang J, Bi Y, You W, Zhang Y, Ren J, Zhu T, Cao Z, Yu Z, Shao C, Shen Z, Ding B, Yuan J, Zhao X, Guo Q, Xu X, Huang J, Wang M. Clinical and Genomic Analysis of Liver Abscess-Causing Klebsiella pneumoniae Identifies New Liver Abscess-Associated Virulence Genes. Front Cell Infect Microbiol 2016; 6:165. [PMID: 27965935 PMCID: PMC5126061 DOI: 10.3389/fcimb.2016.00165] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2016] [Accepted: 11/15/2016] [Indexed: 12/03/2022] Open
Abstract
Hypervirulent variants of Klebsiella pneumoniae (hvKp) that cause invasive community-acquired pyogenic liver abscess (PLA) have emerged globally. Little is known about the virulence determinants associated with hvKp, except for the virulence genes rmpA/A2 and siderophores (iroBCD/iucABCD) carried by the pK2044-like large virulence plasmid. Here, we collected most recent clinical isolates of hvKp from PLA samples in China, and performed clinical, molecular, and genomic sequencing analyses. We found that 90.9% (40/44) of the pathogens causing PLA were K. pneumoniae. Among the 40 LA-Kp, K1 (62.5%), and K2 (17.5%) were the dominant serotypes, and ST23 (47.5%) was the major sequence type. S1-PFGE analyses demonstrated that although 77.5% (31/40) of the LA-Kp isolates harbored a single large virulence plasmid varied in size, 5 (12.5%) isolates had no plasmid and 4 (10%) had two or three plasmids. Whole genome sequencing and comparative analysis of 3 LA-Kp and 3 non-LA-Kp identified 133 genes present only in LA-Kp. Further, large scale screening of the 133 genes in 45 LA-Kp and 103 non-LA-Kp genome sequences from public databases identified 30 genes that were highly associated with LA-Kp, including iroBCD, iucABCD and rmpA/A2 and 21 new genes. Then, these 21 new genes were analyzed in 40 LA-Kp and 86 non-LA-Kp clinical isolates collected in this study by PCR, showing that new genes were present 80–100% among LA-Kp isolates while 2–11% in K. pneumoniae isolates from sputum and urine. Several of the 21 genes have been proposed as virulence factors in other bacteria, such as the gene encoding SAM-dependent methyltransferase and pagO which protects bacteria from phagocytosis. Taken together, these genes are likely new virulence factors contributing to the hypervirulence phenotype of hvKp, and may deepen our understanding of virulence mechanism of hvKp.
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Affiliation(s)
- Meiping Ye
- Institute of Antibiotics, Huashan Hospital, Fudan University Shanghai, China
| | - Jianfei Tu
- Fifth Affiliated Hospital of Wenzhou Medical University Lishui, China
| | - Jianping Jiang
- Department of Bioinformatics, SJTU-Yale Joint Center for Biostatistics, Shanghai Jiaotong University Shanghai, China
| | - Yingmin Bi
- Institute of Antibiotics, Huashan Hospital, Fudan University Shanghai, China
| | - Weibo You
- Fifth Affiliated Hospital of Wenzhou Medical University Lishui, China
| | - Yanliang Zhang
- Nanjing First Hospital, Nanjing Medical University Nanjing, China
| | - Jianmin Ren
- Fifth Affiliated Hospital of Wenzhou Medical University Lishui, China
| | - Taohui Zhu
- Fifth Affiliated Hospital of Wenzhou Medical University Lishui, China
| | - Zhuo Cao
- Sixth Hospital of Wenzhou Medical University Lishui, China
| | - Zuochun Yu
- Fifth Affiliated Hospital of Wenzhou Medical University Lishui, China
| | - Chuxiao Shao
- Fifth Affiliated Hospital of Wenzhou Medical University Lishui, China
| | - Zhen Shen
- Institute of Antibiotics, Huashan Hospital, Fudan University Shanghai, China
| | - Baixing Ding
- Institute of Antibiotics, Huashan Hospital, Fudan University Shanghai, China
| | - Jinyi Yuan
- Institute of Antibiotics, Huashan Hospital, Fudan University Shanghai, China
| | - Xu Zhao
- Institute of Antibiotics, Huashan Hospital, Fudan University Shanghai, China
| | - Qinglan Guo
- Institute of Antibiotics, Huashan Hospital, Fudan University Shanghai, China
| | - Xiaogang Xu
- Institute of Antibiotics, Huashan Hospital, Fudan University Shanghai, China
| | - Jinwei Huang
- Fifth Affiliated Hospital of Wenzhou Medical University Lishui, China
| | - Minggui Wang
- Institute of Antibiotics, Huashan Hospital, Fudan University Shanghai, China
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Yao B, Xiao X, Wang F, Zhou L, Zhang X, Zhang J. Clinical and molecular characteristics of multi-clone carbapenem-resistant hypervirulent (hypermucoviscous) Klebsiella pneumoniae isolates in a tertiary hospital in Beijing, China. Int J Infect Dis 2015; 37:107-12. [PMID: 26141415 DOI: 10.1016/j.ijid.2015.06.023] [Citation(s) in RCA: 101] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2015] [Revised: 06/24/2015] [Accepted: 06/25/2015] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVES To provide the clinical and molecular characteristics of carbapenem-resistant hypervirulent (hypermucoviscous) Klebsiella pneumoniae (cr-hvKP) in a tertiary hospital in Beijing, China. METHODS The clinical characteristics of four patients with cr-hvKP isolates and 29 patients with carbapenem-resistant classic K. pneumoniae (cr-cKP) infections were analyzed retrospectively. The molecular characteristics of cr-hvKP and cr-cKP isolates were compared. RESULTS The KPC-2 gene was detected in all cr-hvKPs except for cr-hvKP6. The cr-hvKPs belonged to three sequence types (STs; ST25, ST65, and ST11), with three pulsed-field gel electrophoresis patterns (I, II, and III) and two capsular serotypes (K2 and non-typeable). Although cr-hvKP1-7 did not cause invasive clinical syndromes such as community-acquired liver abscess with or without extrahepatic complications, they were all nosocomially acquired; cr-hvKP1-5 were clones disseminated between patients A and B. Compared with cr-cKPs, pLVPK-related loci, repA, iroN, and K2 capsular serotype were more prevalent in cr-hvKPs, although no significant difference was found in clinical characteristics between patients with cr-hvKP and cr-cKP infection. CONCLUSIONS The hypervirulent ST65 and ST25K. pneumoniae, along with carbapenem-resistant clonal populations ST11, appear to have evolved into cr-hvKP strains. The evidence of bi-directional evolution and emergence of hospital-acquired multi-clone cr-hvKP indicates a confluence of virulence and carbapenem resistance, which might pose major problems in the management of K. pneumoniae infection.
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Affiliation(s)
- Bei Yao
- Department of Laboratory Medicine, Peking University Third Hospital, 49 North Garden Road, Haidian District, Beijing, 100191, China
| | - Xiumei Xiao
- Department of Laboratory Medicine, Peking University Third Hospital, 49 North Garden Road, Haidian District, Beijing, 100191, China
| | - Fei Wang
- Department of Respiratory Medicine, Peking University Third Hospital, Haidian District, Beijing, China
| | - Lei Zhou
- Department of Laboratory Medicine, Peking University Third Hospital, 49 North Garden Road, Haidian District, Beijing, 100191, China
| | - Xiaowei Zhang
- Department of Laboratory Medicine, Peking University Third Hospital, 49 North Garden Road, Haidian District, Beijing, 100191, China
| | - Jie Zhang
- Department of Laboratory Medicine, Peking University Third Hospital, 49 North Garden Road, Haidian District, Beijing, 100191, China.
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