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Romay-Lema EM, Ventura-Valcárcel P, Iñiguez-Vázquez I, García-Pais MJ, Garcia-Garrote F, Rabuñal-Rey R, Alonso MP, Corredoira-Sánchez J. Streptococcus suis spondylodiscitis: 2 new cases and a literature review. ENFERMEDADES INFECCIOSAS Y MICROBIOLOGIA CLINICA (ENGLISH ED.) 2022; 40:66-70. [PMID: 34866038 DOI: 10.1016/j.eimce.2021.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 08/10/2020] [Accepted: 08/12/2020] [Indexed: 06/13/2023]
Abstract
INTRODUCTION Streptococcus suis (S. suis) infection is poorly described zoonosis in our country, which is related with exposure to pigs or their meat. The most common clinical presentation is meningitis, while spine's involvement is rare. METHODS We report 2 cases of S. suis infection and perform a systematic review of the articles published on S. suis spondylodiscitis between January 1994 and May 2020 with the aim of defining the clinical characteristics, predisposing factors and evolution. RESULTS 17 cases are described, 76.5% males with a mean age of 57.6 years, generally without associated underlying disease. Enolism was a factor present in 17.6%. 70.6% had exposure to pigs or their meat and 20% hand injuries. The mean duration of symptoms was 10.2 days and the most affected segment was the lumbar level. 70.6% had meningitis. All were treated with beta-lactams with an average duration of 53.2 days. There was a recurrence and none died. CONCLUSION There are few cases of S. suis spondylodiscitis in the literature. When occurs, it is associated with another type of infection in most cases. They present a good response to medical treatment and a good prognosis.
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Affiliation(s)
- Eva-María Romay-Lema
- Unidad de Enfermedades Infecciosas, Hospital Universitario Lucus Augusti, Lugo, Spain.
| | | | | | | | | | - Ramón Rabuñal-Rey
- Unidad de Enfermedades Infecciosas, Hospital Universitario Lucus Augusti, Lugo, Spain
| | - María Pilar Alonso
- Servicio de Microbiología, Hospital Universitario Lucus Augusti, Lugo, Spain
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Zhu Y, Zhu F, Bo L, Fang Y, Shan X. A rare case of meningitis and septicemia caused by Streptococcus suis in a woman without a history of live pig contact or eating raw pork. Braz J Microbiol 2021; 52:2007-2012. [PMID: 34559387 PMCID: PMC8460845 DOI: 10.1007/s42770-021-00619-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 09/19/2021] [Indexed: 02/05/2023] Open
Abstract
Streptococcus suis (S. suis) is a zoonotic pathogen that primarily inhabits the upper respiratory tract of pigs. Therefore, pigs that carry these pathogens are the major source of infection. Most patients are infected through contact with live pigs or unprocessed pork products and eating uncooked pork. S. Suis mainly causes sepsis and meningitis. The disease has an insidious onset and rapid progress. The patient becomes critically ill and the mortality is high. In this case report, we described a rare case of S. suis isolated from a middle-aged woman in Jinhua City, Zhejiang Province, China, who did not have any contact with live pigs and had not eaten uncooked pork. S. Suis was isolated from both the patient’s blood and cerebrospinal fluid samples.
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Affiliation(s)
- Yijun Zhu
- Department of Clinical Laboratory, Affiliated Jinhua Hospital, Zhejiang University School of Medicine (Jinhua Municipal Central Hospital), No 365 Renmin East Road, Jinhua, 321000, Zhejiang Province, China
| | - Fang Zhu
- Department of Pathology, Affiliated Jinhua Hospital, Zhejiang University School of Medicine (Jinhua Municipal Central Hospital), No 365 Renmin East Road, Jinhua, 321000, Zhejiang Province, China.
| | - Lihong Bo
- Department of Clinical Laboratory, Affiliated Jinhua Hospital, Zhejiang University School of Medicine (Jinhua Municipal Central Hospital), No 365 Renmin East Road, Jinhua, 321000, Zhejiang Province, China
| | - Yinfei Fang
- Department of Clinical Laboratory, Affiliated Jinhua Hospital, Zhejiang University School of Medicine (Jinhua Municipal Central Hospital), No 365 Renmin East Road, Jinhua, 321000, Zhejiang Province, China
| | - Xiaoyun Shan
- Department of Clinical Laboratory, Affiliated Jinhua Hospital, Zhejiang University School of Medicine (Jinhua Municipal Central Hospital), No 365 Renmin East Road, Jinhua, 321000, Zhejiang Province, China
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Romay-Lema EM, Ventura-Valcárcel P, Iñiguez-Vázquez I, García-Pais MJ, García-Garrote F, Rabuñal-Rey R, Alonso MP, Corredoira-Sánchez J. Streptococcus suis spondylodiscitis: 2 new cases and a literature review. Enferm Infecc Microbiol Clin 2020; 40:S0213-005X(20)30270-6. [PMID: 33069490 DOI: 10.1016/j.eimc.2020.08.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 08/10/2020] [Accepted: 08/12/2020] [Indexed: 11/23/2022]
Abstract
INTRODUCTION Streptococcus suis (S. suis) infection is poorly described zoonosis in our country, which is related with exposure to pigs or their meat. The most common clinical presentation is meningitis, while spinés involvement is rare. METHODS We report 2 cases of S. suis infection and perform a systematic review of the articles published on S. suis spondylodiscitis between January 1994 and May 2020 with the aim of defining the clinical characteristics, predisposing factors and evolution. RESULTS 17 cases are described, 76.5% males with a mean age of 57.6 years, generally without associated underlying disease. Enolism was a factor present in 17.6%. 70.6% had exposure to pigs or their meat and 20% hand injuries. The mean duration of symptoms was 10.2 days and the most affected segment was the lumbar level. 70.6% had meningitis. All were treated with beta-lactams with an average duration of 53.2 days. There was a recurrence and none died. CONCLUSION There are few cases of S. suis spondylodiscitis in the literature. When occurs, it is associated with another type of infection in most cases. They present a good response to medical treatment and a good prognosis.
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Affiliation(s)
- Eva-María Romay-Lema
- Unidad de Enfermedades Infecciosas, Hospital Universitario Lucus Augusti, Lugo, España.
| | | | - Iria Iñiguez-Vázquez
- Servicio de Medicina Interna, Hospital Universitario Lucus Augusti, Lugo, España
| | | | | | - Ramón Rabuñal-Rey
- Unidad de Enfermedades Infecciosas, Hospital Universitario Lucus Augusti, Lugo, España
| | - María Pilar Alonso
- Servicio de Microbiología, Hospital Universitario Lucus Augusti, Lugo, España
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Jover-García J, López-Millán C, Gil-Tomás JJ. Emerging infectious diseases: Streptococcus suis meningitis. REVISTA ESPANOLA DE QUIMIOTERAPIA : PUBLICACION OFICIAL DE LA SOCIEDAD ESPANOLA DE QUIMIOTERAPIA 2020; 33:385-386. [PMID: 32766669 PMCID: PMC7528415 DOI: 10.37201/req/055.2020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 07/22/2020] [Accepted: 08/05/2020] [Indexed: 12/12/2022]
Affiliation(s)
- J Jover-García
- Jorge Jover-García, Servicio de Microbiología. Hospital Universitario de Canarias. La Laguna, Santa Cruz de Tenerife. Spain.
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Wang Y, Liu B, Li J, Gong S, Dong X, Mao C, Yi L. LuxS/AI-2 system is involved in fluoroquinolones susceptibility in Streptococcus suis through overexpression of efflux pump SatAB. Vet Microbiol 2019; 233:154-158. [DOI: 10.1016/j.vetmic.2019.05.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 05/05/2019] [Accepted: 05/06/2019] [Indexed: 10/26/2022]
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Streptococcus suis, an important pig pathogen and emerging zoonotic agent-an update on the worldwide distribution based on serotyping and sequence typing. Emerg Microbes Infect 2014; 3:e45. [PMID: 26038745 PMCID: PMC4078792 DOI: 10.1038/emi.2014.45] [Citation(s) in RCA: 447] [Impact Index Per Article: 44.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2014] [Revised: 04/22/2014] [Accepted: 04/23/2014] [Indexed: 12/18/2022]
Abstract
Streptococcus suis is an important pathogen causing economic problems in the pig
industry. Moreover, it is a zoonotic agent causing severe infections to people in close
contact with infected pigs or pork-derived products. Although considered sporadic in the
past, human S. suis infections have been reported during the last 45 years, with
two large outbreaks recorded in China. In fact, the number of reported human cases has
significantly increased in recent years. In this review, we present the worldwide
distribution of serotypes and sequence types (STs), as determined by multilocus sequence
typing, for pigs (between 2002 and 2013) and humans (between 1968 and 2013). The methods
employed for S. suis identification and typing, the current epidemiological
knowledge regarding serotypes and STs and the zoonotic potential of S. suis are
discussed. Increased awareness of S. suis in both human and veterinary diagnostic
laboratories and further establishment of typing methods will contribute to our knowledge
of this pathogen, especially in regions where complete and/or recent data is lacking. More
research is required to understand differences in virulence that occur among S.
suis strains and if these differences can be associated with specific serotypes or
STs.
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Fernández-Ferro J, López-González FJ, Pardo F, Pías-Peleteiro JM. [Acute Streptococcus suis meningitis in a pig breeder]. Enferm Infecc Microbiol Clin 2011; 29:396-7. [PMID: 21474211 DOI: 10.1016/j.eimc.2010.12.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2010] [Revised: 12/20/2010] [Accepted: 12/22/2010] [Indexed: 11/28/2022]
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Yang W, Cai X, Hao Y, Liu Y, Wang S, Xing R, Gu J, Li C, Yue X, Yuan C, Zhang M, Cui L, Hua X, Yang Z. Characterization of Streptococcus suis serotype 2 blood infections using RT-qPCR to quantify glutamate dehydrogenase copy numbers. J Microbiol Methods 2010; 83:326-9. [PMID: 20869401 DOI: 10.1016/j.mimet.2010.09.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2010] [Revised: 09/03/2010] [Accepted: 09/09/2010] [Indexed: 10/19/2022]
Abstract
This study characterized the dynamic distribution of bacteria in the blood of pigs infected with Streptococcus suis serotype 2 using specific primers and a TaqMan probe designed to amplify the highly conserved S. suis serotype 2 glutamate dehydrogenase (GDH) gene sequences. Gene copy numbers were used to determine the concentration of bacteria in the blood of infected pigs over time using established TaqMan real-time quantitative PCR methodologies (RT-qPCR). The results showed that the detection limit of the RT-qPCR was 10 GDH gene copies. The advantages of utilizing this approach are the high levels of specificity, sensitivity and reproducibility. Bacteria were detected in the blood of infected pigs after 24 h post infection and S. suis GDH gene copies in the experimental group were highest (10(4.15)) on day 7 post infection. Data presented in this report demonstrate that the TaqMan RT-qPCR detection method can be used to characterize the dynamic changes occurring during S. suis serotype 2 blood infections in Bama minipigs thereby facilitating research associated with defining pathogenic mechanisms associated with this organism.
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Affiliation(s)
- Weijun Yang
- College of Animal science and Animal medicine, Inner Mongolia Agriculture University, Huhhot 010018, China
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