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Wang JL, Lai CC, Ko WC, Hsueh PR. Global trends in non-susceptibility rates of Streptococcus pneumoniae isolates to ceftriaxone: Data from the antimicrobial testing leadership and surveillance (ATLAS) programme, 2016-21. Int J Antimicrob Agents 2024; 63:107072. [PMID: 38154661 DOI: 10.1016/j.ijantimicag.2023.107072] [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: 06/28/2023] [Revised: 12/06/2023] [Accepted: 12/19/2023] [Indexed: 12/30/2023]
Abstract
To understand the global changes in non-susceptibility rates of Streptococcus pneumoniae to ceftriaxone, we conducted a study using the Antimicrobial Testing Leadership and Surveillance database. A total of 15,717 S. pneumoniae isolates were collected from 2016 to 2021. The minimum inhibitory concentrations (MICs) were determined using broth microdilution. The overall susceptibility rates of S. pneumoniae isolates to penicillin, ceftriaxone and ceftaroline were 63.4%, 94.0% and 99.6%, respectively. The geometric mean of MICs and MIC50/MIC90 values of ceftriaxone were higher in Asia than in other continents. China (33.9%), South Korea (33.8%) and Taiwan (27.6%) had the highest ceftriaxone non-susceptibility rates, followed by Turkey, India, Brazil, Malaysia, South Africa and Colombia, with rates between 10% and 20%. During the study period from 2020 to 2021, Asia had the highest MIC90 value (4 mg/L) for ceftriaxone in S. pneumoniae isolates, and the geometric mean of MICs increased from 0.25 mg/L in 2016-2017 to 0.39 mg/L in 2020-2021. Both Asia (from 83.4% to 75.1%) and Latin America (from 94.2% to 86.3%) showed a decreasing trend in ceftriaxone susceptibility rates from 2016 to 2021. In North America, Europe and Oceania, the susceptibility rate was higher than 95%, and there was no obvious change in the rate during the 6 y. Further analysis of the data from Asia revealed that individuals younger than 6 y of age had a lower susceptibility rate to ceftriaxone (71.6% vs. 81.7%, P < 0.05) than patients ≥6 y. The higher non-susceptibility rates of ceftriaxone in S. pneumoniae in Asia may lead to therapeutic challenges in community-acquired pneumonia.
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Affiliation(s)
- Jiun-Ling Wang
- Department of Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Internal Medicine, National Cheng Kung University Hospital, Tainan, Taiwan
| | - Chih-Cheng Lai
- Division of Hospital Medicine, Department of Internal Medicine, Chi Mei Medical Centre, Tainan, Taiwan; School of Medicine, College of Medicine, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Wen-Chien Ko
- Department of Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Internal Medicine, National Cheng Kung University Hospital, Tainan, Taiwan
| | - Po-Ren Hsueh
- Division of Infectious Diseases, Department of Internal Medicine, China Medical University Hospital, School of Medicine, China Medical University, Taichung, Taiwan; Department of Laboratory Medicine, China Medical University Hospital, School of Medicine, China Medical University, Taichung, Taiwan; School of Medicine, China Medical University, Taichung, Taiwan.
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Macaj M, Perdochova L, Jakubikova J. Streptococcus pneumoniae as cause of acute otitis media (AOM) in Slovak children in the pneumococcal conjugate vaccine era (2008-2019). Vaccine 2023; 41:452-459. [PMID: 36470684 DOI: 10.1016/j.vaccine.2022.11.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 11/07/2022] [Accepted: 11/10/2022] [Indexed: 12/05/2022]
Abstract
AIM Little data is available on pneumococcal serotypes and their antimicrobial resistance in the pneumococcal conjugate vaccination era in young children with acute otitis media (AOM). Here such data is provided from Slovakia, acountry with sequential introduction and parallel-use of the three commercially available pneumococcal conjugate vaccines (PCVs; PCV7; PCV13; PCV10). METHODS This observational study takes advantage of the fact that tympanocentesis is the standard of care in children with AOM in Slovakia. Over the 12 year observation period, participating pediatric ENT specialists sent samples taken during tympanocentesis from children with AOM to their local MEDIRIX laboratories for identification of bacteria. Pneumcoccal isolates were serotyped and tested for antimicrobial resistance. Incidence data could be calculated from 1 region. RESULTS Study participation and completeness of typing increased over time. Based on testing of 1,131 isolates over 12 years, PCV7-serotypes rapidly waned after PCV7 introduction in 2009 and had virtually disappeared in 2014. The maximum fraction of PCV10-only isolates (1, 5, 7F) was 2.7 % (2009) whereas the additional 3 PCV-serotypes (3, 6A, 19A) in PCV13 represented the largest proportion of pneumococcal AOM cases as of 2010. This finding remained unchanged during the period of highest PCV10-market share (2012-2017) and even until the end of the observation period (2019). The fraction of untypeable pneumococci (<6 %) and non-PCV13-serotypes (16-34 %) increased 2012-2017, but decreased again thereafter. Serotype 19A evolved as the most relevant (multidrug-) resistant pneumococcal serotype, again particularly during the time with high sales of PCV10 (2012-2017). Incidence data from the Bratislava region document a huge impact of PCV use (77 % vaccine uptake: mainly PCV13) on AOM in children < 6 years. Serotypes 19A and 3 remain the only relevant pneumococcal serotypes in young Slovakian children with AOM. CONCLUSIONS As AOM is one of the most common bacterial infections in children < 6 years, the observed benefits of PCVs in reducing vaccine serotypes have been tremendous. With sequential / parallel-use of PCVs, serotypes 3 and (MDR-) 19A today make the largest proportion (about 2/3) of pneumococcal AOM in Slovakia. This data will help to further guide the choice of pneumococcal conjugate vaccines for pediatricians and parents.
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Affiliation(s)
- Matus Macaj
- ENT Department of St. Michael's Hospital - Slovak Medical University in Bratislava, Slovakia.
| | - Lubica Perdochova
- Medirex Group, Microbiological Laboratories Inc, Department of Bacteriology, Bratislava, Slovakia
| | - Janka Jakubikova
- Children's Hospital of Comenius University, Pediatric ENT, Bratislava, Slovakia(1)
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Nasreen S, Wang J, Kwong JC, Crowcroft NS, Sadarangani M, Wilson SE, McGeer A, Kellner JD, Quach C, Morris SK, Sander B, Kus JV, Naus M, Hoang L, Rudzicz F, Fadel S, Marra F. Population-based incidence of invasive pneumococcal disease in children and adults in Ontario and British Columbia, 2002-2018: A Canadian Immunization Research Network (CIRN) study. Vaccine 2021; 39:7545-7553. [PMID: 34810001 DOI: 10.1016/j.vaccine.2021.11.032] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 10/01/2021] [Accepted: 11/10/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND Invasive pneumococcal disease (IPD) burden, evaluated in Canada using reported confirmed cases in surveillance systems, is likely underestimated due to underreporting. We estimated the burden of IPD in Ontario and British Columbia (BC) by combining surveillance data with health administrative databases. METHODS We established a cohort of 27,525 individuals in Ontario and BC. Laboratory-confirmed IPD cases were identified from Ontario's integrated Public Health Information System and the BC Centre for Disease Control Public Health Laboratory. Possible IPD cases were identified from hospitalization data in both provinces, and from emergency department visit data in Ontario. We estimated the age and sex adjusted annual incidence of IPD and pneumococcal conjugate/polysaccharide vaccine (PCV/PPV) serotype-specific IPD using Poisson regression models. RESULTS In Ontario, 20,205 overall IPD cases, including 15,299 laboratory-confirmed cases, were identified with relatively stable age- and sex-adjusted annual incidence rates ranging from 13.7/100,000 (2005) to 13.6/100,000 (2018). In BC, 7,320 overall IPD cases, including 5,932 laboratory-confirmed cases were identified; annual incidence rates increased from 10.9/100,000 (2002) to 13.2/100,000 (2018). Older adults aged ≥ 85 years had the highest incidence rates. During 2007-2018 the incidence of PCV7 serotypes and additional PCV13 serotypes decreased while the incidence of unique PPV23 and non-vaccine serotypes increased in both provinces. CONCLUSIONS IPD continues to cause a substantial public health burden in Canada despite publicly funded pneumococcal vaccination programs, resulting in part from an increase in unique PPV23 and non-vaccine serotypes.
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Affiliation(s)
- Sharifa Nasreen
- Centre for Vaccine Preventable Diseases, University of Toronto, Ontario, Canada; Dalla Lana School of Public Health, University of Toronto, Ontario, Canada
| | - Jun Wang
- Public Health Ontario, Toronto, Ontario, Canada; ICES, Toronto, Ontario, Canada
| | - Jeffrey C Kwong
- Centre for Vaccine Preventable Diseases, University of Toronto, Ontario, Canada; Dalla Lana School of Public Health, University of Toronto, Ontario, Canada; Public Health Ontario, Toronto, Ontario, Canada; ICES, Toronto, Ontario, Canada; Department of Family & Community Medicine, University of Toronto, Toronto, Ontario, Canada; University Health Network, Toronto, Ontario, Canada
| | - Natasha S Crowcroft
- Centre for Vaccine Preventable Diseases, University of Toronto, Ontario, Canada; Dalla Lana School of Public Health, University of Toronto, Ontario, Canada
| | - Manish Sadarangani
- Department of Pediatrics, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada; Vaccine Evaluation Center, BC Children's Hospital Research Institute, Vancouver, British Columbia, Canada
| | - Sarah E Wilson
- Centre for Vaccine Preventable Diseases, University of Toronto, Ontario, Canada; Dalla Lana School of Public Health, University of Toronto, Ontario, Canada; Public Health Ontario, Toronto, Ontario, Canada; ICES, Toronto, Ontario, Canada
| | - Allison McGeer
- Centre for Vaccine Preventable Diseases, University of Toronto, Ontario, Canada; Dalla Lana School of Public Health, University of Toronto, Ontario, Canada; Sinai Health System, Toronto, Ontario, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada; Institute of Health Policy, Management and Evaluation, University of Toronto, Ontario, Canada
| | - James D Kellner
- Department of Pediatrics, University of Calgary, and Alberta Health Services, Calgary, Alberta, Canada
| | - Caroline Quach
- Departments of Microbiology, Infectious Diseases & Immunology and Pediatrics, University of Montreal, Quebec, Canada
| | - Shaun K Morris
- Division of Infectious Diseases, The Hospital for Sick Children, and Department of Pediatrics, University of Toronto, Toronto, Ontario, Canada
| | - Beate Sander
- Public Health Ontario, Toronto, Ontario, Canada; ICES, Toronto, Ontario, Canada; Institute of Health Policy, Management and Evaluation, University of Toronto, Ontario, Canada
| | - Julianne V Kus
- Public Health Ontario, Toronto, Ontario, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
| | - Monika Naus
- School of Population and Public Health, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada; BC Centre for Disease Control, Vancouver, British Columbia, Canada
| | - Linda Hoang
- BC Centre for Disease Control, Vancouver, British Columbia, Canada; Department of Pathology and Laboratory Medicine, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Frank Rudzicz
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada; Li Ka Shing Knowledge Institute, St Michael's Hospital, Toronto, Ontario, Canada; Department of Computer Science, Faculty of Arts & Science, University of Toronto, Toronto, Ontario, Canada; Vector Institute for Artificial Intelligence, Toronto, Ontario, Canada
| | - Shaza Fadel
- Centre for Vaccine Preventable Diseases, University of Toronto, Ontario, Canada; Dalla Lana School of Public Health, University of Toronto, Ontario, Canada
| | - Fawziah Marra
- Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, British Columbia, Canada.
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