1
|
Garrido-Jareño M, Roig-Sena FJ, Pérez-Pérez E, Gil-Brusola A, López-Hontangas JL, Valentín-Gómez E, Pineda-Lucena A, Pemán J. Study of pediatric invasive pneumococcal disease in the 13-pneumococcal conjugated vaccine era. Diagn Microbiol Infect Dis 2024; 110:116532. [PMID: 39278134 DOI: 10.1016/j.diagmicrobio.2024.116532] [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: 03/23/2024] [Revised: 09/05/2024] [Accepted: 09/05/2024] [Indexed: 09/17/2024]
Abstract
BACKGROUND Invasive pneumococcal disease (IPD) remains a significant concern among children under 5, despite vaccination efforts. This study assessed IPD prevalence and associated risks in pediatric population. METHODS An observational, retrospective, multicenter study in Comunidad Valenciana, Spain, of IPD cases in children under 13 from January 2012 to September 2022. Data from the CV Microbiology Surveillance Network (RedMIVA) and medical records were reviewed. RESULTS A total of 379 IPD cases in 377 patients were analyzed, predominantly males (54.11 %) under 5 (81.17 %). PCV13 vaccination notably reduced PCV13-serotypes IPD (p=0.0002), except serotype 3. Pneumonia was common, with half having underlying conditions (50.40 %). Worse outcomes occurred in patients with neurological disorders (ANOVA, p=0.57). Vaccine failures often involved underlying conditions (63 %) and serotypes 3 and 19A. Immunodeficiencies may relate to recurrent IPD, but evidence is limited. CONCLUSION Despite vaccination, IPD still impacts children, influenced by immunological status, affecting severity and mortality.
Collapse
Affiliation(s)
- Marta Garrido-Jareño
- Microbiology Department, University and Polytechnic Hospital La Fe Valencia, Spain; Severe Infection Research Group, Health Research Institute Hospital La Fe Valencia, Spain.
| | - Francisco Javier Roig-Sena
- General Directorate of Public Health, Council of Universal Healthcare and Public Health, Regional Government of Valencia Valencia, Spain
| | - Elvira Pérez-Pérez
- General Directorate of Public Health, Council of Universal Healthcare and Public Health, Regional Government of Valencia Valencia, Spain
| | - Ana Gil-Brusola
- Microbiology Department, University and Polytechnic Hospital La Fe Valencia, Spain; Severe Infection Research Group, Health Research Institute Hospital La Fe Valencia, Spain
| | - José Luis López-Hontangas
- Microbiology Department, University and Polytechnic Hospital La Fe Valencia, Spain; Severe Infection Research Group, Health Research Institute Hospital La Fe Valencia, Spain
| | - Eulogio Valentín-Gómez
- Severe Infection Research Group, Health Research Institute Hospital La Fe Valencia, Spain; GMCA Research Unit, Department of Microbiology and Ecology, University of Valencia Valencia, Spain
| | - Antonio Pineda-Lucena
- Molecular Therapeutics Program, Center for Applied Medical Research, University of Navarra Pamplona, Spain
| | - Javier Pemán
- Microbiology Department, University and Polytechnic Hospital La Fe Valencia, Spain; Severe Infection Research Group, Health Research Institute Hospital La Fe Valencia, Spain
| |
Collapse
|
2
|
Ladomenou F, Kosmeri C, Siomou E. Host Defense Susceptibility and Invasive Streptococcal Infections. Pediatr Infect Dis J 2024; 43:e314-e317. [PMID: 38985996 DOI: 10.1097/inf.0000000000004446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/12/2024]
Affiliation(s)
- Fani Ladomenou
- From the Department of Pediatrics, University Hospital of Ioannina, Ioannina, Greece
| | | | | |
Collapse
|
3
|
Phuong LK, Cheung A, Agrawal R, Butters C, Buttery J, Clark J, Connell T, Curtis N, Daley AJ, Dobinson HC, Frith C, Hameed NS, Hernstadt H, Krieser DM, Loke P, Ojaimi S, McMullan B, Pinzon-Charry A, Sharp EG, Sinnappurajar P, Templeton T, Wen S, Cole T, Gwee A. Inborn Errors of Immunity in Children With Invasive Pneumococcal Disease: A Multicenter Prospective Study. Pediatr Infect Dis J 2023; 42:908-913. [PMID: 37463351 DOI: 10.1097/inf.0000000000004004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
BACKGROUND In settings with universal conjugate pneumococcal vaccination, invasive pneumococcal disease (IPD) can be a marker of an underlying inborn error of immunity. The aim of this study was to determine the prevalence and characterize the types of immunodeficiencies in children presenting with IPD. METHODS Multicenter prospective audit following the introduction of routinely recommended immunological screening in children presenting with IPD. The minimum immunological evaluation comprised a full blood examination and film, serum immunoglobulins (IgG, IgA and IgM), complement levels and function. Included participants were children in whom Streptococcus pneumoniae was isolated from a normally sterile site (cerebrospinal fluid, pleura, peritoneum and synovium). If isolated from blood, features of sepsis needed to be present. Children with predisposing factors for IPD (nephrotic syndrome, anatomical defect or malignancy) were excluded. RESULTS Overall, there were 379 episodes of IPD of which 313 (83%) were eligible for inclusion and 143/313 (46%) had an immunologic evaluation. Of these, 17/143 (12%) were diagnosed with a clinically significant abnormality: hypogammaglobulinemia (n = 4), IgA deficiency (n = 3), common variable immunodeficiency (n = 2), asplenia (n = 2), specific antibody deficiency (n = 2), incontinentia pigmenti with immunologic dysfunction (n = 1), alternative complement deficiency (n = 1), complement factor H deficiency (n = 1) and congenital disorder of glycosylation (n = 1). The number needed to investigate to identify 1 child presenting with IPD with an immunologic abnormality was 7 for children under 2 years and 9 for those 2 years old and over. CONCLUSIONS This study supports the routine immune evaluation of children presenting with IPD of any age, with consideration of referral to a pediatric immunologist.
Collapse
Affiliation(s)
- Linny Kimly Phuong
- From the Infectious Diseases Unit, Department of General Medicine, Royal Children's Hospital, Parkville, Victoria, Australia
- Infection and Immunity Theme, Murdoch Children's Research Institute, Melbourne, Victoria, Australia
- Department of Microbiology, Royal Children's Hospital, Parkville, Victoria, Australia
- Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia
| | - Abigail Cheung
- Department of Allergy and Clinical Immunology, Women's and Children's Hospital, South Australia
- General Paediatric and Adolescent Medicine, John Hunter Children's Hospital, New Lambton, Australia
| | - Rishi Agrawal
- Department of General Medicine, Women's and Children's Hospital, South Australia
| | - Coen Butters
- Infection and Immunity Theme, Murdoch Children's Research Institute, Melbourne, Victoria, Australia
- General Paediatric and Adolescent Medicine, John Hunter Children's Hospital, New Lambton, Australia
| | - Jim Buttery
- From the Infectious Diseases Unit, Department of General Medicine, Royal Children's Hospital, Parkville, Victoria, Australia
- Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia
| | - Julia Clark
- Infection Management Prevention Service, Queensland Children's Hospital, Children's Health Queensland, Brisbane, Queensland, Australia
- University of Queensland, Brisbane, Queensland, Australia
| | - Tom Connell
- From the Infectious Diseases Unit, Department of General Medicine, Royal Children's Hospital, Parkville, Victoria, Australia
- Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia
| | - Nigel Curtis
- From the Infectious Diseases Unit, Department of General Medicine, Royal Children's Hospital, Parkville, Victoria, Australia
- Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia
| | - Andrew J Daley
- Department of Microbiology, Royal Children's Hospital, Parkville, Victoria, Australia
- Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia
| | - Hazel C Dobinson
- Department of Paediatrics and Child Health, Te Whatu Ora Capital, Coast and Hutt Valley, Wellington, New Zealand
| | - Catherine Frith
- Department of Immunology and Infectious Diseases, Sydney Children's Hospital, Randwick
| | | | - Hayley Hernstadt
- Department of Paediatrics, Monash Children's Hospital, Monash Health, Clayton, Victoria, Australia
| | - David M Krieser
- Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia
- Department of Paediatric Emergency Medicine, Sunshine Hospital, St Albans, Victoria, Australia
| | - Paxton Loke
- Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia
- Department of Paediatrics, Monash University, Clayton, Victoria, Australia
- Allergy & Immunology, Murdoch Children's Research Institute, Melbourne, Australia
- Monash Pathology, Monash Health; Clayton, Victoria, Australia
| | - Samar Ojaimi
- Department of Paediatrics, Monash University, Clayton, Victoria, Australia
- Allergy & Immunology, Murdoch Children's Research Institute, Melbourne, Australia
- Monash Pathology, Monash Health; Clayton, Victoria, Australia
| | - Brendan McMullan
- Department of Immunology and Infectious Diseases, Sydney Children's Hospital, Randwick
| | - Alberto Pinzon-Charry
- Infection Management Prevention Service, Queensland Children's Hospital, Children's Health Queensland, Brisbane, Queensland, Australia
- Queensland Paediatric Immunology & Allergy Service, Queensland Children's Hospital, Queensland, Australia
- Griffith University, Brisbane, Queensland, Australia
| | - Ella Grace Sharp
- Department of Immunology and Infectious Diseases, Sydney Children's Hospital, Randwick
| | | | - Tiarni Templeton
- Infection Management Prevention Service, Queensland Children's Hospital, Children's Health Queensland, Brisbane, Queensland, Australia
| | - Sophie Wen
- Infection Management Prevention Service, Queensland Children's Hospital, Children's Health Queensland, Brisbane, Queensland, Australia
- University of Queensland, Brisbane, Queensland, Australia
| | - Theresa Cole
- Infection and Immunity Theme, Murdoch Children's Research Institute, Melbourne, Victoria, Australia
- Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia
- Department of Immunology, Royal Children's Hospital, Parkville, Victoria, Australia
| | - Amanda Gwee
- From the Infectious Diseases Unit, Department of General Medicine, Royal Children's Hospital, Parkville, Victoria, Australia
- Infection and Immunity Theme, Murdoch Children's Research Institute, Melbourne, Victoria, Australia
- Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia
| |
Collapse
|
4
|
Reilly L, Emonts M. Recurrent or unusual infections in children - when to worry about inborn errors of immunity. Ther Adv Infect Dis 2023; 10:20499361231162978. [PMID: 37089444 PMCID: PMC10116010 DOI: 10.1177/20499361231162978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 02/23/2023] [Indexed: 04/25/2023] Open
Abstract
Recurrent infections are a common presenting feature in paediatrics and, while most times considered part of normal growing up, they are also a classical hallmark of inborn errors of immunity (IEI). We aimed to outline the value of currently used signs for IEI and the influence of the changing epidemiology of infectious diseases due to implementation of new vaccines and the effect of the COVID-19 pandemic on the assessment of children with recurrent infections. Warning signs for IEI have been developed, but the supporting evidence for their effectiveness is limited, and immune dysregulation is more commonly recognised as a feature for IEI, making reliable identification of children who should be screened for IEI on clinical grounds difficult. In addition, the epidemiology of infectious diseases is changing due to restrictions related to Covid-19 as well as immunisations, which may change the threshold to screen children for IEI. Treatments for IEI are evolving and are often more effective and less complicated when started early. Screening for IEI can be initiated by the non-immunologist and should be considered early to ensure optimal treatment outcomes.
Collapse
Affiliation(s)
- Liam Reilly
- Paediatric Immunology, Infectious Diseases & Allergy, Great North Children’s Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | | |
Collapse
|
5
|
Qin R, Meng G, Pushalkar S, Carlock MA, Ross TM, Vogel C, Mahal LK. Prevaccination Glycan Markers of Response to an Influenza Vaccine Implicate the Complement Pathway. J Proteome Res 2022; 21:1974-1985. [PMID: 35757850 PMCID: PMC9361353 DOI: 10.1021/acs.jproteome.2c00251] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A key to improving vaccine design and vaccination strategy is to understand the mechanism behind the variation of vaccine response with host factors. Glycosylation, a critical modulator of immunity, has no clear role in determining vaccine responses. To gain insight into the association between glycosylation and vaccine-induced antibody levels, we profiled the pre- and postvaccination serum protein glycomes of 160 Caucasian adults receiving the FLUZONE influenza vaccine during the 2019-2020 influenza season using lectin microarray technology. We found that prevaccination levels of Lewis A antigen (Lea) are significantly higher in nonresponders than responders. Glycoproteomic analysis showed that Lea-bearing proteins are enriched in complement activation pathways, suggesting a potential role of glycosylation in tuning the activities of complement proteins, which may be implicated in mounting vaccine responses. In addition, we observed a postvaccination increase in sialyl Lewis X antigen (sLex) and a decrease in high mannose glycans among high responders, which were not observed in nonresponders. These data suggest that the immune system may actively modulate glycosylation as part of its effort to establish effective protection postvaccination.
Collapse
Affiliation(s)
- Rui Qin
- Department
of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Guanmin Meng
- Department
of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Smruti Pushalkar
- Center
for Genomics and Systems Biology, Department of Biology, New York University, New York, New York 10003, United States
| | - Michael A. Carlock
- Center
for Vaccines and Immunology, University
of Georgia, Athens, Georgia 30602, United States
| | - Ted M. Ross
- Center
for Vaccines and Immunology, University
of Georgia, Athens, Georgia 30602, United States
| | - Christine Vogel
- Center
for Genomics and Systems Biology, Department of Biology, New York University, New York, New York 10003, United States
| | - Lara K. Mahal
- Department
of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| |
Collapse
|
6
|
Smith EL, Tan B, Bastas A, Kotsanas D, Dendle C, Ojaimi S. Missed Opportunities? A retrospective study into adults hospitalized with invasive infection from airway pathogens. Open Forum Infect Dis 2022; 9:ofac330. [PMID: 35899285 PMCID: PMC9314888 DOI: 10.1093/ofid/ofac330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 07/02/2022] [Indexed: 11/14/2022] Open
Abstract
Background Invasive disease caused by airway pathogens, including Streptococcus pneumoniae, Haemophilus influenzae, Neisseria meningitidis, and Moraxella catarrhalis, has high morbidity and mortality worldwide, with immunodeficiency being a known association with recurrent disease. The study aimed to describe the frequency of known immunodeficiency and predisposing factors in adult patients presenting with invasive infections and determine the frequency of screening for and detection of immunodeficiency. Methods A retrospective analysis was conducted at a large tertiary Australian health service, comprising multiple centers. Patients aged 18 years or older, in whom the above pathogens were isolated from sterile sites, were included as identified through a microbiology database, between 2015 and 2020. Using electronic medical records, patient demographics, medical history, outcomes of admission, and pathology results were captured and reviewed to address the aims. Results In 252 patients, S pneumoniae was the most common culprit, isolated in 73% (185/252), compared to 14.3% (36/252) and 11.5% (29/252) of infections caused by H influenzae and N meningitidis, respectively. Known diagnoses of secondary immunodeficiency were common (31% of patients). Of those presenting with invasive pneumococcal disease, 78% had at least 1 predisposing condition, though only 9 patients (6%) had previously received pneumococcal vaccination. Despite poor screening for immunodeficiency, 12 new diagnoses were made. While the commonest immunodeficiency was secondary, due to hematological and solid organ malignancies, 3 new primary immunodeficiency diagnoses were made. Conclusions Immunodeficiency is common in this patient population. Screening should be undertaken to ensure timely diagnosis and treatment of the underlying condition to avoid future morbidity and mortality.
Collapse
Affiliation(s)
- Emma L Smith
- Monash Infectious Diseases, Monash Health, Melbourne , Australia, 3168
| | - Bryan Tan
- Monash Infectious Diseases, Monash Health, Melbourne , Australia, 3168
| | | | - Despina Kotsanas
- Monash Infectious Diseases, Monash Health, Melbourne , Australia, 3168
| | - Claire Dendle
- Monash Infectious Diseases, Monash Health, Melbourne , Australia, 3168
- Monash University, Melbourne , Australia, 3800
| | - Samar Ojaimi
- Monash Infectious Diseases, Monash Health, Melbourne , Australia, 3168
- Monash Pathology, Monash Health , Clayton, Australia, 3168
| |
Collapse
|
7
|
Murad Y, Hung TY, Sadarangani M, Morris SK, Le Saux N, Vanderkooi OG, Kellner JD, Tyrrell GJ, Martin I, Demczuk W, Halperin SA, Bettinger JA. Clinical Presentations and Outcomes of Children in Canada With Recurrent Invasive Pneumococcal Disease From the IMPACT Surveillance Network. Pediatr Infect Dis J 2022; 41:e166-e171. [PMID: 35093996 PMCID: PMC8920017 DOI: 10.1097/inf.0000000000003454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/28/2021] [Indexed: 11/26/2022]
Abstract
BACKGROUND Invasive pneumococcal disease due to Streptococcus pneumoniae can cause mortality and severe morbidity due to sepsis, meningitis and pneumonia, particularly in young children and the elderly. Recurrent invasive pneumococcal disease is rare yet serious sequelae of invasive pneumococcal disease that is associated with the immunocompromised and leads to a high mortality rate. METHOD This retrospective study reviewed recurrent invasive pneumococcal disease cases from the Canadian Immunization Monitoring Program, ACTive (IMPACT) between 1991 and 2019, an active network for surveillance of vaccine-preventable diseases and adverse events following immunization for children ages 0-16 years. Data were collected from 12 pediatric tertiary care hospitals across all 3 eras of public pneumococcal conjugate vaccine implementation in Canada. RESULTS The survival rate within our cohort of 180 recurrent invasive pneumococcal disease cases was 98.3%. A decrease of 26.4% in recurrent invasive pneumococcal disease due to vaccine serotypes was observed with pneumococcal vaccine introduction. There was also a 69.0% increase in the rate of vaccination in children with preexisting medical conditions compared with their healthy peers. CONCLUSION The decrease in recurrent invasive pneumococcal disease due to vaccine-covered serotypes has been offset by an increase of non-vaccine serotypes in this sample of Canadian children.
Collapse
Affiliation(s)
- Yousif Murad
- From the Faculty of Medicine, University of British Columbia, Vancouver, Canada
- Vaccine Evaluation Center, BC Children’s Hospital Research Institute, Vancouver, Canada
| | - Te-Yu Hung
- Vaccine Evaluation Center, BC Children’s Hospital Research Institute, Vancouver, Canada
- Royal Darwin Hospital, Top End Health Service, Northern Territory, Australia
- Royal Melbourne Hospital, Doherty Institute for Infection Immunity, Victoria, Australia
| | - Manish Sadarangani
- Vaccine Evaluation Center, BC Children’s Hospital Research Institute, Vancouver, Canada
- Department of Pediatrics, University of British Columbia, Vancouver, Canada
| | - Shaun K. Morris
- Division of Infectious Diseases, Hospital for Sick Children, Toronto, Canada
- Department of Pediatrics, Temerty Faculty of Medicine, University of Toronto, Toronto, Canada
| | - Nicole Le Saux
- Children’s Hospital of Eastern Ontario, Paediatric Infectious Disease, Ottawa, ON, Canada
| | - Otto G. Vanderkooi
- Departments of Microbiology, Immunology and Infectious Diseases, Pathology & Laboratory Medicine and Community Health Sciences, Alberta Children’s Hospital, Alberta Children’s Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Pediatrics, University of Calgary, Calgary, AB, Canada
| | - James D. Kellner
- Department of Pediatrics, University of Calgary, Calgary, AB, Canada
| | - Gregory J. Tyrrell
- Division of Diagnostic and Applied Microbiology, Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, Canada
- Alberta Precision Laboratories-Public Health, Edmonton, Canada
| | - Irene Martin
- National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Canada
| | - Walter Demczuk
- National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Canada
| | - Scott A. Halperin
- Canadian Center for Vaccinology, Dalhousie University, IWK Health, and Nova Scotia Health, Halifax, Canada
| | - Julie A. Bettinger
- Vaccine Evaluation Center, BC Children’s Hospital Research Institute, Vancouver, Canada
- Department of Pediatrics, University of British Columbia, Vancouver, Canada
| |
Collapse
|
8
|
Malo JA, Ware RS, Lambert SB. Estimating the risk of recurrent invasive pneumococcal disease in Australia, 1991-2016. Vaccine 2021; 39:5748-5756. [PMID: 34483025 DOI: 10.1016/j.vaccine.2021.08.095] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 08/24/2021] [Accepted: 08/26/2021] [Indexed: 11/15/2022]
Abstract
BACKGROUND Individuals who experience an initial episode of invasive pneumococcal disease (IPD) are at increased risk of recurrent episodes. However, the magnitude of risk has not been well-quantified in the pneumococcal conjugate vaccine era. Individuals with a previous episode of IPD are not commonly identified as a high-risk group in vaccination guidelines. METHODS Australian residents with at least one case of IPD between 1991 and 2016 were identified using routine public health surveillance data which included identified IPD risk factors. Incidence of recurrent IPD was calculated from 2001 onwards (after IPD became nationally notifiable) using time-to-event analyses with individuals contributing person-time at risk of recurrence if they survived greater than 14 days after initial episode onset. RESULTS From 1991 to 2016 there were 28,809 IPD episodes in 28,218 individuals. A total of 512 (1.8%) persons experienced 591 recurrent episodes. From 2001 to 2016 the incidence of recurrent IPD was 216.2 per 100,000 person-years, 27 times greater than the population rate of primary IPD during this period (8.0 per 100,000 population per year). Between 2011 and 2016, more than one-quarter of individuals experiencing recurrence had no IPD risk factors identified at first episode. CONCLUSIONS There is substantially increased risk of recurrent IPD after an initial episode. At least one-quarter of those with recurrent episodes have no identified risk factors at the initial episode. Given the potential preventability of future episodes, those with a previous IPD episode should be identified as a high-risk group and receive pneumococcal vaccination.
Collapse
Affiliation(s)
- Jonathan A Malo
- School of Population Health, The University of Queensland, Herston, Queensland, Australia.
| | - Robert S Ware
- Menzies Health Institute Queensland, Griffith University, Gold Coast, Queensland, Australia
| | - Stephen B Lambert
- Centre for Children's Health Research, The University of Queensland, South Brisbane, Queensland, Australia; National Centre for Epidemiology and Population Health, Australian National University, Canberra, Australian Capital Territory, Australia.
| |
Collapse
|
9
|
Chen TM, Chen HY, Hu B, Hu HL, Guo X, Guo LY, Li SY, Liu G. Characteristics of Pediatric Recurrent Bacterial Meningitis in Beijing Children's Hospital, 2006-2019. J Pediatric Infect Dis Soc 2021; 10:635-640. [PMID: 33491083 DOI: 10.1093/jpids/piaa176] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Accepted: 01/01/2021] [Indexed: 11/13/2022]
Abstract
BACKGROUND Few data on recurrent bacterial meningitis (RBM) in children are available. Here, we estimated the frequency of RBM in children and investigated the predisposing conditions, etiology, and clinical characteristics of RBM in children. METHODS Cases of RBM in the Beijing Children's Hospital medical record database between January 2006 and December 2019 were collected. RESULTS In total, 1905 children with bacterial meningitis (BM) were documented in the Beijing Children's Hospital medical record database. A total of 43 patients had RBM. The rate of RBM in children was 2.3% (43/1905). Forty (93.0%) patients had predisposing conditions, including 15 (34.9%) cases of inner ear malformations, 5 (11.6%) cases of dermal sinus tracts, 9 (20.9%) cases of head injury, 5 (11.6%) cases of congenital cranial meningocele, 3 (7.0%) cases of congenital skull base defects, 3 (7.0%) cases of immunodeficiency, and other 3 (7.0%) cases of unknown reason. Among all the 121 BM episodes, a total of 64 episodes were etiologically confirmed BM and the other 57 episodes were probable BM. Streptococcus pneumoniae (n = 52) was accounted for 81.3% of confirmed BM episodes. Thirty-four of the 37 patients with congenital or acquired anatomical defects were available to follow up after surgeries, and all of them had no BM after surgeries. Three patients with antibody deficiencies got intravenous immunoglobulin therapy and they did not suffer BM anymore. CONCLUSIONS RBM is rare in children. The majority of children with RBM had predisposing conditions including congenital/acquired anatomical defects and immunodeficiency. Interventions should be implemented to solve the underlying conditions to avoid RBM.
Collapse
Affiliation(s)
- Tian-Ming Chen
- Department of Infectious Diseases, Beijing Children's Hospital, National Center for Children's Health, Capital Medical University, Beijing, China
| | - He-Ying Chen
- Department of Infectious Diseases, Beijing Children's Hospital, National Center for Children's Health, Capital Medical University, Beijing, China
| | - Bing Hu
- Department of Infectious Diseases, Beijing Children's Hospital, National Center for Children's Health, Capital Medical University, Beijing, China
| | - Hui-Li Hu
- Department of Infectious Diseases, Beijing Children's Hospital, National Center for Children's Health, Capital Medical University, Beijing, China
| | - Xin Guo
- Department of Infectious Diseases, Beijing Children's Hospital, National Center for Children's Health, Capital Medical University, Beijing, China
| | - Ling-Yun Guo
- Department of Infectious Diseases, Beijing Children's Hospital, National Center for Children's Health, Capital Medical University, Beijing, China
| | - Shao-Ying Li
- Department of Infectious Diseases, Beijing Children's Hospital, National Center for Children's Health, Capital Medical University, Beijing, China
| | - Gang Liu
- Department of Infectious Diseases, Beijing Children's Hospital, National Center for Children's Health, Capital Medical University, Beijing, China
| |
Collapse
|
10
|
Changing Epidemiology and Predisposing Factors for Invasive Pneumococcal Disease at Two Australian Tertiary Hospitals. Pediatr Infect Dis J 2020; 39:1-6. [PMID: 31815835 DOI: 10.1097/inf.0000000000002489] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
BACKGROUND Invasive pneumococcal disease (IPD) is associated with significant morbidity and mortality in children. Universal pneumococcal conjugate vaccination has changed the epidemiology of IPD. In vaccinated children, IPD can be a marker of an underlying immunodeficiency. METHODS This is a retrospective audit of children younger than 18 years with IPD admitted to 2 tertiary pediatric hospitals in Australia between 2011 and 2017. Data on predisposing conditions, immunologic evaluation, pneumococcal serotype, antibiotic susceptibility and treatment were collected. RESULTS During the 7-year period, there were 131 presentations with IPD in 127 children; 3 children had recurrent IPD. Patients presented with sepsis (41%), empyema (29%), meningitis (18%), mastoiditis (12%), pneumonia (10%) and septic arthritis (4%). In 19 (15%) presentations, risk factors for IPD were present, including malignancy, hematologic disorder, chronic liver disease, chronic kidney disease and cochlear implant. Pneumococcal serotypes were determined in 78/131 (60%) of presentations: the most frequent serotypes were 19A (19%), 3 (13%), 7F (10%) and 19F (8%) and non-vaccine serotypes 22F (8%), 35B (6%), 15A (4%) and 38 (4%). Overall, 11% of isolates were non-susceptible to ceftriaxone. Only 36 patients (32%) had an immunologic evaluation, and 4 patients had proven or probable immunodeficiency. CONCLUSION Although pneumococcal conjugate vaccine serotypes 19A, 3, 19F and 7F remain frequent causes of IPD, non-vaccine serotypes are emerging. Our data support vancomycin treatment for children with pneumococcal meningitis given 11% of our isolates were not susceptible to ceftriaxone. It is important to consider underlying conditions predisposing to IPD in a population with high rates of pneumococcal vaccination.
Collapse
|
11
|
Tjernberg AR, Woksepp H, Sandholm K, Johansson M, Dahle C, Ludvigsson JF, Bonnedahl J, Nilsson P, Ekdahl KN. Celiac disease and complement activation in response to Streptococcus pneumoniae. Eur J Pediatr 2020; 179:133-140. [PMID: 31691001 PMCID: PMC6942560 DOI: 10.1007/s00431-019-03490-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 09/16/2019] [Accepted: 09/26/2019] [Indexed: 11/29/2022]
Abstract
Individuals with celiac disease (CD) are at increased risk of invasive pneumococcal disease (IPD). The aim of this study was to explore whether the complement response to Streptococcus pneumoniae differed according to CD status, and could serve as an explanation for the excess risk of IPD in CD. Twenty-two children with CD and 18 controls, born 1999-2008, were included at Kalmar County Hospital, Sweden. The degree of complement activation was evaluated by comparing levels of activation products C3a and sC5b-9 in plasma incubated for 30 min with Streptococcus pneumoniae and in non-incubated plasma. Complement analyses were performed with enzyme-linked immunosorbent assay (ELISA). Pneumococcal stimulation caused a statistically significant increase in C3a as well as sC5b-9 in both children with CD and controls but there was no difference in response between the groups. After incubation, C3a increased on average 4.6 times and sC5b-9 22 times in both the CD and the control group (p = 0.497 and p = 0.724 respectively).Conclusion: Complement response to Streptococcus pneumoniae seems to be similar in children with and without CD and is thus unlikely to contribute to the increased susceptibility to invasive pneumococcal disease in CD.What is Known:• An excess risk of pneumococcal infections has been demonstrated in individuals with celiac disease.• Infectious complications can depend on hyposplenism but alternative mechanisms are sparsely examined.What is New:• Complement activation in response to Streptococcus pneumoniae was examined in children with and without celiac disease but no differences could be demonstrated.
Collapse
Affiliation(s)
- Anna Röckert Tjernberg
- Department of Pediatrics, Kalmar County Hospital, SE-391 85, Kalmar, Sweden. .,School of Medical Sciences, Örebro University, SE-701 82, Örebro, Sweden.
| | - Hanna Woksepp
- Research section, Department of Development and Public Health, Kalmar County Hospital, SE-391 85 Kalmar, Sweden
| | - Kerstin Sandholm
- Linnaeus Center for Biomaterials Chemistry, Linnaeus University, SE-391 82 Kalmar, Sweden
| | - Marcus Johansson
- Department of Clinical Microbiology, Kalmar County Hospital, SE-391 85 Kalmar, Sweden ,Department of Clinical and Experimental Medicine, Linköping University, SE-581 85 Linköping, Sweden
| | - Charlotte Dahle
- Department of Clinical and Experimental Medicine, Linköping University, SE-581 85 Linköping, Sweden ,Department of Clinical Immunology and Transfusion Medicine, Linköping University Hospital, SE-581 85 Linköping, Sweden
| | - Jonas F Ludvigsson
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, SE-171 77 Stockholm, Sweden ,Department of Pediatrics, Örebro University Hospital, SE-701 85 Örebro, Sweden
| | - Jonas Bonnedahl
- Department of Clinical and Experimental Medicine, Linköping University, SE-581 85 Linköping, Sweden
| | - Per Nilsson
- Linnaeus Center for Biomaterials Chemistry, Linnaeus University, SE-391 82 Kalmar, Sweden ,Department of Immunology, Oslo University Hospital, University of Oslo, 0424 Oslo, Norway
| | - Kristina Nilsson Ekdahl
- Linnaeus Center for Biomaterials Chemistry, Linnaeus University, SE-391 82 Kalmar, Sweden ,Department of Immunology, Genetics and Pathology, Uppsala University, SE-751 85 Uppsala, Sweden
| |
Collapse
|
12
|
Butters C, Phuong LK, Cole T, Gwee A. Prevalence of Immunodeficiency in Children With Invasive Pneumococcal Disease in the Pneumococcal Vaccine Era: A Systematic Review. JAMA Pediatr 2019; 173:1084-1094. [PMID: 31566672 DOI: 10.1001/jamapediatrics.2019.3203] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
IMPORTANCE Despite increasing access to vaccination, invasive pneumococcal disease (IPD) is responsible for approximately 826 000 deaths worldwide in children younger than 5 years each year. To allow early identification and prevention, an improved understanding of risk factors for IPD is needed. OBJECTIVES To review the literature on the prevalence of primary immunodeficiency (PID) in children younger than 18 years presenting with IPD without another predisposing condition and to inform guidelines for immunologic evaluation after the first episode of IPD based on published evidence. EVIDENCE REVIEW A literature search of PubMed, Embase (inception [1974] to February 28, 2019), and MEDLINE (inception [1946] to February 28, 2019) was conducted using the terms Streptococcus pneumonia, Streptococcus pneumoniae, pneumococcal infection, Streptococcus infection, pneumococcal meningitis, immunodeficiency, immune response, immunocompromised, susceptib*, precursor, predispose*, recurren*, newborn, neonat*, infan*, toddler, child, preschooler, adolescen*, and pediatric. Publications reporting original data on immunodeficiency in children with microbiologically confirmed primary or recurrent IPD were included. Strength of clinical data was graded according to the 5-point scale of the Oxford Centre for Evidence-Based Medicine. FINDINGS In 6022 unique children with primary IPD, 5 of 393 (1.3%) to 17 of 162 (10.5%) of all children and 14 of 53 (26.4%) of those older than 2 years had a PID identified. Higher rates of PID, up to 10 of 15 (66.7%), were found in children with recurrent IPD. Antibody deficiency was the most common immunodeficiency, followed by complement deficiency, asplenia, and rarer defects in T-cell signaling. The site of infection was a key indicator for the risk of underlying PID, with the greatest risk of PID in children with meningitis or complicated pneumonia. CONCLUSIONS AND RELEVANCE Results of this study suggest that invasive pneumococcal disease, and particularly recurrent IPD, is an important marker of underlying PID in children without other risk factors. The findings also suggest that children older than 2 years with pneumococcal meningitis or complicated pneumonia and all children with recurrent IPD should be referred for an immune evaluation. TRIAL REGISTRATION PROSPERO identifier: CRD42017075978.
Collapse
Affiliation(s)
- Coen Butters
- Infectious Diseases Unit, The Royal Children's Hospital, Melbourne, Parkville, Australia
| | - Linny Kimly Phuong
- Infectious Diseases Unit, The Royal Children's Hospital, Melbourne, Parkville, Australia
| | - Theresa Cole
- Department of Allergy and Immunology, The Royal Children's Hospital, Melbourne, Parkville, Australia.,Department of Paediatrics, The University of Melbourne, Parkville, Australia
| | - Amanda Gwee
- Infectious Diseases Unit, The Royal Children's Hospital, Melbourne, Parkville, Australia.,Department of Paediatrics, The University of Melbourne, Parkville, Australia.,Infectious Diseases & Microbiology Research Group, Murdoch Children's Research Institute, Parkville, Australia
| |
Collapse
|
13
|
Oligbu G, Collins S, Andrews N, Sheppard CL, Fry NK, Slack MPE, Borrow R, Ladhani SN. Characteristics and Serotype Distribution of Childhood Cases of Invasive Pneumococcal Disease Following Pneumococcal Conjugate Vaccination in England and Wales, 2006-2014. Clin Infect Dis 2019; 65:1191-1198. [PMID: 29309553 DOI: 10.1093/cid/cix418] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2016] [Accepted: 05/03/2017] [Indexed: 11/13/2022] Open
Abstract
Background The 7-valent and 13-valent pneumococcal conjugate vaccines (PCV7 and PCV13, respectively) are highly effective in preventing invasive pneumococcal disease (IPD) caused by vaccine serotypes. Vaccine failure (vaccine-type IPD after age-appropriate immunization) is rare. Little is known about the risk, clinical characteristics, or outcomes of PCV13 compared to PCV7 vaccine failure. Methods Public Health England conducts IPD surveillance and provides a national reference service for serotyping pneumococcal isolates in England and Wales. We compared the epidemiology, rates, risk factors, serotype distribution, clinical characteristics, and outcomes of IPD in children with PCV13 and PCV7 vaccine failure. Results A total of 163 episodes of PCV failure were confirmed in 161 children over 8 years (4 September 2006 to 3 September 2014) in 10 birth cohorts. After 3 vaccine doses, PCV7 and PCV13 failure rates were 0.19/100000 (95% confidence interval [CI], .10-.33 [57 cases]) and 0.66/100000 (95% CI, .44-.95 [104 cases]) vaccinated person-years, respectively. Children with PCV13 failure were more likely to be healthy (87/105 [82.9%] vs 37/56 [66.1%]; P = .02), present with bacteremic lower respiratory tract infection (LRTI) (61/105 [58.1%] vs 11/56 [19.6%]; P < .001), and develop empyema (41/61 [67.2%] vs 1/11 [9.1%]; P < .001) compared to PCV7 failures. Serotypes 3 (n = 38 [36.2%]) and 19A (n = 30 [28.6%]) were responsible for most PCV13 failures. Six children died (4% [95% CI, 1%-8%]), including 5 with comorbidities. Conclusions PCV failure is rare and, compared to PCV7 serotypes, the additional PCV13 serotypes are more likely to cause bacteremic LRTI and empyema in healthy vaccinated children.
Collapse
Affiliation(s)
- Godwin Oligbu
- Paediatric Infectious Diseases Research Group, Institute for Infection and Immunity, St George's, University of London
| | - Sarah Collins
- Immunisation, Hepatitis and Blood Safety Department, Public Health England, London, United Kingdom
| | - Nick Andrews
- Statistics, Modelling and Economics Department, Public Health England, London, United Kingdom
| | - Carmen L Sheppard
- Respiratory and Vaccine Preventable Bacterial Reference Unit, Public Health England, London, United Kingdom
| | - Norman K Fry
- Respiratory and Vaccine Preventable Bacterial Reference Unit, Public Health England, London, United Kingdom
| | - Mary P E Slack
- Institute of Hygiene and Microbiology, University of Wurzburg, Germany.,School of Medicine, Griffith University Gold Coast Campus, Southport, Queensland, Australia
| | - Ray Borrow
- Vaccine Evaluation Unit, Public Health England, Manchester Royal Infirmary, United Kingdom
| | - Shamez N Ladhani
- Paediatric Infectious Diseases Research Group, Institute for Infection and Immunity, St George's, University of London.,Immunisation, Hepatitis and Blood Safety Department, Public Health England, London, United Kingdom
| |
Collapse
|
14
|
Tereshchenko SY, Smolnikova MV. Congenitally impaired pattern-recognition receptors in pathogenesis of pediatric invasive and recurrent pneumococcal infection. RUSSIAN JOURNAL OF INFECTION AND IMMUNITY 2019. [DOI: 10.15789/2220-7619-2019-2-229-238] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Here we review currently available data showing that innate immune signs predisposing to recurrent and invasive pneumococcal infections were identified in children. Streptococcus pneumoniae (pneumococcus) belongs to Grampositive bacteria being the major cause of morbidity and mortality in infants, especially in developing countries and in communities with low socioeconomic status. Due to the lack of anti-pneumococcal vaccination, the significant proportion of pneumococcus carriers develop non-invasive (pneumonia, otitis media, sinusitis) and severe invasive (bacteremia/septicemia, meningitis) pneumococcal infection. A great deal of diverse factors related to pneumococcus biological features (virulence factors) as well individualized host-specific immunity are implicated in efficient bacterial penetration across the mucous membranes. The TLR signaling system plays a crucial role in the human nonspecific defense upon the first encounter with the pathogen. Various TLRs comprise the first pattern recognition receptor fami ly ever described which sense ligands derived from the outer bacterial wall. The complement system is the ancient innate immunity component mainly involved in intravascular elimination of bacterial agents. In addition, the complement proteins serve as a bridge between innate and adaptive immunity, ensuring optimal conditions for B- and T-cell maturation and differentiation. Because pneumococcus secretes the IgA protease, a local protective effects related to IgA antibodies might not be so prominent. Therefore, B-cell immunodeficiency and impaired complement system hold a lead place among congenital causes resulting in severe and recurrent pneumococcal infections in children. Thus, based on available data, we concluded that impaired B-cell function, the complement components deficiency as well as receptor-recognition receptors (TLR-2, -9, -4, MYD88 adapter protein, TLR cascade enzymes: IRAK4, NEMO, NOD-like receptors: NOD2, NLRP3; C-type lectins: MBL, Dextin-2, and, possibly, ficoline) play the most important role among congenital immunodeficiencies predisposing to invasive and recurrent pneumococcal infections play the most important role among congenital immunodeficiencies predisposing to invasive and recurrent pneumococcal infections, and should be used as a rationale for immunological surveillance and organizing immunogenetics screening in these patients.
Collapse
|
15
|
Complement depletion and Coombs positivity in pneumococcal hemolytic uremic syndrome (pnHUS). Case series and plea to revisit an old pathogenetic concept. Int J Med Microbiol 2018; 308:1096-1104. [PMID: 30177469 DOI: 10.1016/j.ijmm.2018.08.007] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 08/21/2018] [Accepted: 08/27/2018] [Indexed: 12/27/2022] Open
Abstract
Hemolytic uremic syndrome is a rare complication of invasive pneumococcal infection (pnHUS). Its pathogenesis is poorly understood, and treatment remains controversial. The emerging role of complement in various forms of HUS warrants a new look at this "old" disease. We performed a retrospective analysis of clinical and laboratory features of three sequential cases of pnHUS since 2008 associated with pneumonia/pleural empyema, two due to Streptococcus pneumoniae serotype 19 A. Profound depletion of complement C3 (and less of C4) was observed in two patients. One patient was Coombs test positive. Her red blood cells (RBCs) strongly agglutinated with blood group compatible donor serum at 0 °C, but not at 37 °C. All three patients were treated with hemodialysis, concentrated RBCs, and platelets. Patient 2 received frozen plasma for hepatic failure with coagulation factor depletion. Intravenous immunoglobulin infusion, intended to neutralize pneumococcal neuraminidase in patient 3, was associated with rapid normalization of platelets and cessation of hemolysis. Two patients recovered without sequelae or disease recurrence. Patient 2 died within 2½ days of admission due to complicating Pseudomonas aeruginosa sepsis and multiorgan failure. Our observations suggest that pnHUS can be associated with dramatic, transient complement consumption early in the course of the disease, probably via the alternative pathway. A critical review of the literature and the reported cases argue against the postulated pathological role of preformed antibodies against the neuraminidase-exposed Thomsen-Friedenreich neoantigen (T antigen) in pnHUS. The improved understanding of complement regulation and bacterial strategies of complement evasion allows to propose a testable, new pathogenetic model of pnHUS. This model shifts emphasis from the action of natural anti-T antibodies toward impaired Complement Factor H (CFH) binding and function on desialylated membranes. Removal of neuraminic acid residues converts (protected) self to non-self surfaces that supports membrane attack complex (MAC) assembly. Complement activation is potentially exacerbated by decreased CFH availability following tight CFH binding to pneumococcal evasion proteins and/or by the presence of genetic variants of complement regulator proteins. Detailed clinical and experimental investigations are warranted to better understand the role of unregulated complement activation in pnHUS. Instead of avoidance of plasma, a new, integrated model is evolving, which may include short-term therapeutic complement blockade, particularly where genetic or functional APC dysregulation is suspected, in addition to bacterial elimination and, potentially, neuraminidase neutralization.
Collapse
|
16
|
Ingels HAS, Kantsø B, Slotved HC. Serologic response to pneumococcal vaccination in children experiencing recurrent invasive pneumococcal disease. BMC Infect Dis 2018; 18:366. [PMID: 30081840 PMCID: PMC6080377 DOI: 10.1186/s12879-018-3267-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 07/23/2018] [Indexed: 12/20/2022] Open
Abstract
Background Some children are prone to recurrent invasive pneumococcal disease (rIPD) and of these, some respond insufficiently to standard pneumococcal vaccination. Little is known about how to handle these children and if they benefit from additional vaccination. Here, we present results from a nationwide study of pediatric rIPD including data on serotype-specific vaccination response to pneumococcal polysaccharide vaccination (PPV23) and pneumococcal conjugate vaccination (PCV7/13). Methods A retrospective, population-based study was conducted using The National Streptococcus pneumoniae Registry, which contains laboratory-confirmed data from all cases of IPD in Denmark. From January 1980–June 2013 all children aged 0–15 years with rIPD were identified. Clinical data and data on serotype-specific pneumococcal antibody response were collected. Over the years quantification of pneumococcal antibodies varied from being presented in arbitrary units (ELISA), in μg/ml (WHO ELISA) and lately in μg/ml based on Luminex technology. Results 2482 children were diagnosed with IPD and 75 episodes of rIPD were documented in 59 children. An underlying disease was documented in 45 (76%) children. Vaccination data were available for 26 children; 11 were vaccinated solely with PPV23, 8 with a combination of PPV23 + PCV7, 5 with PCV7 and 2 with PCV13. In total, nine responded to PPV23 vaccination and ten were PPV23 non-responders. Of the 15 PCV vaccinated children, two children responded subnormal to PCV7. Among PPV23 non-responders, five responded to subsequent PCV vaccination. Conclusions In our population-based study of children with rIPD 53% of the children responded insufficiently to PPV23 vaccination. PPV23 non-responders benefitted from PCV vaccination. Electronic supplementary material The online version of this article (10.1186/s12879-018-3267-6) contains supplementary material, which is available to authorized users.
Collapse
Affiliation(s)
- Helene A S Ingels
- Department of Pediatrics, Slagelse Hospital, Slagelse, Denmark. .,Department of Bacteria, Parasites and Fungi, Statens Serum Institut, Artillerivej 5, 2300, Copenhagen, DK, Denmark.
| | - Bjørn Kantsø
- Department of Microbiological Diagnostics &Virology, Statens Serum Institut, Copenhagen, Denmark
| | - Hans-Christian Slotved
- Department of Bacteria, Parasites and Fungi, Statens Serum Institut, Artillerivej 5, 2300, Copenhagen, DK, Denmark
| |
Collapse
|
17
|
Lund KP, Bruunsgaard H, Marquart HV, Sørensen SS. Case Report: Renal Transplantation in Patients with Pre-existing Hypogammaglobulinemia. Scand J Immunol 2017; 86:113-117. [PMID: 28543378 DOI: 10.1111/sji.12570] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Accepted: 05/12/2017] [Indexed: 01/24/2023]
Abstract
Hypogammaglobulinemia (HGG) is well-characterized as a common phenomenon after kidney transplantation. However, no reports of pre-existing HGG from kidney transplantation seem to be available. We have reviewed three patients who developed HGG prior to kidney transplantation, and all three were treated successfully with immunoglobulin replacement therapy before and after kidney transplantation. The kidney grafts were functioning at follow-up 1.5-8 years (mean: 3.6 years) after transplantation, and there were no diagnosed episodes of clinical rejections and no severe infection complications post-transplantation.
Collapse
Affiliation(s)
- K P Lund
- Department of Clinical Immunology, Section 7631, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark
| | - H Bruunsgaard
- Department of Clinical Immunology, Section 7631, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark
| | - H V Marquart
- Department of Clinical Immunology, Section 7631, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark
| | - S S Sørensen
- Department of Nephrology, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark
| |
Collapse
|
18
|
Oligbu G, Hsia Y, Folgori L, Collins S, Ladhani S. Pneumococcal conjugate vaccine failure in children: A systematic review of the literature. Vaccine 2016; 34:6126-6132. [PMID: 27838066 DOI: 10.1016/j.vaccine.2016.10.050] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Revised: 10/12/2016] [Accepted: 10/20/2016] [Indexed: 01/22/2023]
Abstract
BACKGROUND Pneumococcal conjugate vaccines (PCVs) are highly effective in preventing pneumococcal invasive disease (IPD) due to serotypes included in the vaccines. The risk of vaccine-type IPD in immunised children (i.e. vaccine failure) has not been systematically assessed in countries with established PCV programmes. METHODS We undertook a systematic review of the English literature published from January 2000 to April 2016 to evaluate the vaccine schedule, risk factors, serotype distribution, clinical presentation and outcomes of vaccine failure in children vaccinated with the 7-valent (PCV7), 10-valent (PCV10), and 13-valent (PCV13) vaccines. Data sources included MEDLINE, EMBASE, Cochrane library, and references within identified articles. RESULTS We identified 1742 potential studies and included 20 publications involving 7584 participants in children aged ⩽5year-olds: 5202 received 2 doses followed by a booster in 10 studies, (68.6%), 64 (0.8%) received 3 doses without a booster in 2 studies, and 2318 received a 3+1 schedule (30.6%) in 8 studies. A total of 159 vaccine failure cases were identified, representing 2.1% [95% CI: 1.8-2.4%] of the reported IPD cases. Most studies did not report clinical characteristics or outcomes. Among eight studies reporting comorbidities, 33/77 patients (42.9%) had an underlying condition. The main serotypes associated with vaccine failure were 19F (51/128 cases with known serotype; 39.8%), 6B (33/128; 25.8%), and 4 (10/128; 7.8%). Only five studies reported patient outcomes, with a crude case fatality rate of 2.4% (2/85; 95%CI: 0.3-8.5%). CONCLUSION Pneumococcal conjugate vaccines have been implemented in national immunisation programmes for more than a decade, yet there are only a few studies reporting vaccine failure. PCV failure is rare, irrespective of vaccine or schedule. Co-morbidity prevalence was high amongst vaccine failure cases but case fatality rate was relatively low. There is a need for more systematic reporting vaccine failure cases in countries with established pneumococcal vaccination programmes.
Collapse
Affiliation(s)
- Godwin Oligbu
- Paediatric Infectious Disease Research Group, St. George's University of London, United Kingdom
| | - Yingfen Hsia
- Paediatric Infectious Disease Research Group, St. George's University of London, United Kingdom.
| | - Laura Folgori
- Paediatric Infectious Disease Research Group, St. George's University of London, United Kingdom
| | - Sarah Collins
- Immunisation, Hepatitis, and Blood Safety Department, Public Health of England, United Kingdom
| | - Shamez Ladhani
- Paediatric Infectious Disease Research Group, St. George's University of London, United Kingdom; Immunisation, Hepatitis, and Blood Safety Department, Public Health of England, United Kingdom
| |
Collapse
|