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Anastassopoulou C, Ferous S, Medić S, Siafakas N, Boufidou F, Gioula G, Tsakris A. Vaccines for the Elderly and Vaccination Programs in Europe and the United States. Vaccines (Basel) 2024; 12:566. [PMID: 38932295 PMCID: PMC11209271 DOI: 10.3390/vaccines12060566] [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: 04/10/2024] [Revised: 05/15/2024] [Accepted: 05/20/2024] [Indexed: 06/28/2024] Open
Abstract
The share of the elderly population is growing worldwide as life expectancy increases. Immunosenescence and comorbidities increase infectious diseases' morbidity and mortality in older adults. Here, we aimed to summarize the latest findings on vaccines for the elderly against herpes zoster, influenza, respiratory syncytial virus (RSV), COVID-19, and pneumococcal disease and to examine vaccine recommendation differences for this age group in Europe and the United States. PubMed was searched using the keywords "elders" and "vaccine" alongside the disease/pathogen in question and paraphrased or synonymous terms. Vaccine recommendations were also sought in the European and US Centers for Disease Control and Prevention databases. Improved vaccines, tailored for the elderly, mainly by using novel adjuvants or by increasing antigen concentration, are now available. Significant differences exist between immunization policies, especially between European countries, in terms of the recipient's age, number of doses, vaccination schedule, and implementation (mandatory or recommended). Understanding the factors that influence the immune response to vaccination in the elderly may help to design vaccines that offer long-term protection for this vulnerable age group. A consensus-based strategy in Europe could help to fill the gaps in immunization policy in the elderly, particularly regarding vaccination against RSV and pneumococcus.
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Affiliation(s)
- Cleo Anastassopoulou
- Department of Microbiology, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece; (S.F.); (A.T.)
| | - Stefanos Ferous
- Department of Microbiology, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece; (S.F.); (A.T.)
| | - Snežana Medić
- Department of Epidemiology, Faculty of Medicine, University of Novi Sad, 21000 Novi Sad, Serbia;
- Center for Disease Control and Prevention, Institute of Public Health of Vojvodina, 21000 Novi Sad, Serbia
| | - Nikolaos Siafakas
- Clinical Microbiology Laboratory, Attikon General Hospital, Medical School, National and Kapodistrian University of Athens, 12462 Athens, Greece;
| | - Fotini Boufidou
- Neurochemistry and Biological Markers Unit, 1st Department of Neurology, Eginition Hospital, Medical School, National and Kapodistrian University of Athens, 11528 Athens, Greece;
| | - Georgia Gioula
- Microbiology Department, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
| | - Athanasios Tsakris
- Department of Microbiology, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece; (S.F.); (A.T.)
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Averin A, Atwood M, Sato R, Yacisin K, Begier E, Shea K, Curcio D, Houde L, Weycker D. Attributable Cost of Adult Respiratory Syncytial Virus Illness Beyond the Acute Phase. Open Forum Infect Dis 2024; 11:ofae097. [PMID: 38486815 PMCID: PMC10939437 DOI: 10.1093/ofid/ofae097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 02/21/2024] [Indexed: 03/17/2024] Open
Abstract
Background Estimates of the cost of medically attended lower respiratory tract illness (LRTI) due to respiratory syncytial virus (RSV) in adults, especially beyond the acute phase, is limited. This study was undertaken to estimate the attributable costs of RSV-LRTI among US adults during, and up to 1 year after, the acute phase of illness. Methods A retrospective observational matched-cohort design and a US healthcare claims repository (2016-2019) were employed. The study population comprised adults aged ≥18 years with RSV-LRTI requiring hospitalization (RSV-H), an emergency department visit (RSV-ED), or physician office/hospital outpatient visit (RSV-PO/HO), as well as matched comparison patients. All-cause healthcare expenditures were tallied during the acute phase of illness (RSV-H: from admission through 30 days postdischarge; ambulatory RSV: during the episode) and long-term phase (end of acute phase to end of following 1-year period). Results The study population included 4526 matched pairs of RSV-LRTI and comparison patients (RSV-H: n = 970; RSV-ED: n = 590; RSV-PO/HO: n = 2966). Mean acute-phase expenditures were $42 179 for RSV-H (vs $5154 for comparison patients), $4409 for RSV-ED (vs $377), and $922 for RSV-PO/HO (vs $201). By the end of the 1-year follow-up period, mean expenditures-including acute and long-term phases-were $101 532 for RSV-H (vs $36 302), $48 701 for RSV-ED (vs $27 131), and $28 851 for RSV-PO/HO (vs $20 523); overall RSV-LRTI attributable expenditures thus totaled $65 230, $21 570, and $8327, respectively. Conclusions The cost of RSV-LRTI requiring hospitalization or ambulatory care among US adults is substantial, and the economic impact of RSV-LTRI may extend well beyond the acute phase of illness.
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Affiliation(s)
| | - Mark Atwood
- Policy Analysis Inc, Boston, Massachusetts, USA
| | - Reiko Sato
- Pfizer Inc, Collegeville, Pennsylvania, USA
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Weycker D, Averin A, Houde L, Ottino K, Shea K, Sato R, Gessner BD, Yacisin K, Curcio D, Begier E, Rozenbaum M. Rates of Lower Respiratory Tract Illness in US Adults by Age and Comorbidity Profile. Infect Dis Ther 2024; 13:207-220. [PMID: 38236516 PMCID: PMC10828164 DOI: 10.1007/s40121-023-00904-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 12/12/2023] [Indexed: 01/19/2024] Open
Abstract
INTRODUCTION While it is widely recognized that older adults, adults with chronic medical conditions (CMC), and adults with immunocompromising conditions (IC) are at increased risk of lower respiratory tract illness (LRTI), evidence of the magnitude of increased risk is limited. This study was thus undertaken to characterize rates of hospitalized and ambulatory LRTI among United States (US) adults by age and comorbidity profile. METHODS A retrospective cohort design and US healthcare claims database (2016-2019) were employed. Study population included adults aged ≥ 18 years and was stratified by age and comorbidity profile (CMC-, CMC+ , IC). LRTI was ascertained overall and by pathogen pathogen (e.g., respiratory syncytial virus [RSV]), and was classified by care setting (hospital, emergency department [ED], physician office/hospital outpatient [PO/HO]). RESULTS Relative rates (RR) of LRTI generally increased with older age across care settings (vs. 18-49 years), with the most marked increase for hospitalizations: for LRTI-hospitalized, RRs ranged from 3.3 for 50-64 years to 46.6 for ≥ 85 years; for LRTI-ED and LRTI-PO/HO, RRs ranged from 1.0 to 2.7 and from 1.3 to 1.5, respectively. Within age groups, LRTI rates were also consistently higher among CMC+ and IC adults (vs. CMC- adults). Age-specific RRs of LRTI patients hospitalized due to RSV were largely comparable to overall LRTI; age-specific RRs for other care settings, and RRs for CMC+ and IC adults (vs. CMC- adults), were generally higher for LRTI due to RSV. CONCLUSIONS Incidence of LRTI, including that due to RSV, especially for events requiring acute inpatient care, is markedly higher among older adults and adults of all ages with CMC or IC.
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Bruxvoort KJ, Fischer H, Lewnard JA, Hong VX, Pomichowski M, Grant LR, Jódar L, Gessner BD, Tartof SY. Risk of subsequent lower respiratory tract infection (LRTI) after hospitalization for COVID-19 LRTI and non-COVID-19 LRTI: a retrospective cohort study. Pneumonia (Nathan) 2023; 15:15. [PMID: 37794443 PMCID: PMC10552217 DOI: 10.1186/s41479-023-00117-5] [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: 06/02/2023] [Accepted: 09/17/2023] [Indexed: 10/06/2023] Open
Abstract
BACKGROUND Respiratory pathogens, including SARS-CoV-2, can cause pulmonary structural damage and physiologic impairment, which may increase the risk of subsequent lower respiratory tract infections (LRTI). Prior hospitalization for any reason is a risk factor for LRTI, but data on the risk of subsequent new-onset LRTI following hospitalization for COVID-19 LRTI or non-COVID-19 LRTI are needed to inform strategies for immunizations targeting respiratory pathogens. METHODS We conducted a retrospective cohort study at Kaiser Permanente Southern California (KPSC) among adults hospitalized from 3/1/2020 to 5/31/2022, excluding labor and delivery. We categorized individuals into 3 mutually exclusive baseline exposure groups: those hospitalized for COVID-19 LRTI, those hospitalized for non-COVID-19 LRTI, and those hospitalized for all other causes without LRTI or COVID-19 ("non-LRTI"). Following hospital discharge, patients were followed up for new-onset LRTI, beginning 30 antibiotic-free days after hospital discharge until 8/31/2022. We used multivariable cause-specific Cox regression with time-varying covariates to estimate hazard ratios (HR) of new-onset LRTI comparing those hospitalized for COVID-19 LRTI or non-COVID-19 LRTI to those hospitalized for non-LRTI, adjusting for demographic and clinical characteristics. RESULTS The study included 22,417 individuals hospitalized for COVID-19 LRTI, 12,795 individuals hospitalized for non-COVID-19 LRTI, and 176,788 individuals hospitalized for non-LRTI. Individuals hospitalized for non-COVID-19 LRTI were older and had more comorbidities than those hospitalized for COVID-19 LRTI or non-LRTI. Incidence rates per 1,000 person-years (95% CI) of new-onset LRTI were 52.5 (51.4-53.6) among individuals hospitalized for COVID-19 LRTI, 253.5 (243.7-263.6) among those hospitalized for non-COVID-19 LRTI, and 52.5 (51.4-53.6) among those hospitalized for non-LRTI. The adjusted hazard of new-onset LRTI during follow-up was 20% higher among individuals hospitalized for COVID-19 LRTI (HR 1.20 [95% CI: 1.12-1.28]) and 301% higher among individuals hospitalized for non-COVID-19 LRTI (HR 3.01 [95% CI: 2.87-3.15]) compared to those hospitalized for non-LRTI. CONCLUSION The risk of new-onset LRTI following hospital discharge was high, particularly among those hospitalized for non-COVID-19 LRTI, but also for COVID-19 LRTI. These data suggest that immunizations targeting respiratory pathogens, including COVID-19, should be considered for adults hospitalized for LRTI prior to hospital discharge.
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Affiliation(s)
- Katia J Bruxvoort
- Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, CA, USA.
- Department of Epidemiology, School of Public Health, University of Alabama at Birmingham, 1665 University Blvd, Birmingham, AL, 35233, USA.
| | - Heidi Fischer
- Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, CA, USA
| | - Joseph A Lewnard
- Division of Epidemiology, School of Public Health, University of California, Berkeley, Berkeley, CA, USA
- Division of Infectious Diseases & Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, CA, USA
- Center for Computational Biology, College of Engineering, University of California, Berkeley, Berkeley, CA, USA
| | - Vennis X Hong
- Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, CA, USA
| | - Magdalena Pomichowski
- Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, CA, USA
| | | | | | | | - Sara Y Tartof
- Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena, CA, USA
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Grant LR, Meche A, McGrath L, Miles A, Alfred T, Yan Q, Chilson E. Risk of Pneumococcal Disease in US Adults by Age and Risk Profile. Open Forum Infect Dis 2023; 10:ofad192. [PMID: 37180598 PMCID: PMC10167987 DOI: 10.1093/ofid/ofad192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 04/07/2023] [Indexed: 05/16/2023] Open
Abstract
Background Older age and certain medical conditions are known to modify the risk of pneumococcal disease among adults. We quantified the risk of pneumococcal disease among adults with and without medical conditions in the United States between 2016 and 2019. Methods This retrospective cohort study used administrative health claims data from Optum's de-identified Clinformatics Data Mart Database. Incidence rates of pneumococcal disease-all-cause pneumonia, invasive pneumococcal disease (IPD), and pneumococcal pneumonia-were estimated by age group, risk profile (healthy, chronic, other, and immunocompromising medical condition), and individual medical condition. Rate ratios and 95% CIs were calculated comparing adults with risk conditions with age-stratified healthy counterparts. Results Among adults aged 18-49 years, 50-64 years, and ≥65 years, the rates of all-cause pneumonia per 100 000 patient-years were 953, 2679, and 6930, respectively. For the 3 age groups, the rate ratios of adults with any chronic medical condition vs healthy counterparts were 2.9 (95% CI, 2.8-2.9), 3.3 (95% CI, 3.2-3.3), and 3.2 (95% CI, 3.2-3.2), while the rate ratios of adults with any immunocompromising condition vs healthy counterparts were 4.2 (95% CI, 4.1-4.3), 5.8 (95% CI, 5.7-5.9), and 5.3 (95% CI, 5.3-5.4). Similar trends were observed for IPD and pneumococcal pneumonia. Persons with other medical conditions, such as obesity, obstructive sleep apnea, and neurologic disorders, were associated with increased risk of pneumococcal disease. Conclusions The risk of pneumococcal disease was high among older adults and adults with certain risk conditions, particularly immunocompromising conditions.
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Affiliation(s)
- Lindsay R Grant
- Medical Development & Scientific/Clinical Affairs, Pfizer Vaccines, Collegeville, Pennsylvania, USA
| | - Aster Meche
- Real World Evidence, Center of Excellence, Pfizer Inc, New York, New York, USA
| | - Leah McGrath
- Real World Evidence, Center of Excellence, Pfizer Inc, New York, New York, USA
| | - Amanda Miles
- Real World Evidence, Center of Excellence, Pfizer Inc, New York, New York, USA
| | - Tamuno Alfred
- Statistical Research and Data Science Center, Pfizer Inc, New York, New York, USA
| | - Qi Yan
- Medical Development & Scientific/Clinical Affairs, Pfizer Vaccines, Collegeville, Pennsylvania, USA
| | - Erica Chilson
- Medical Development & Scientific/Clinical Affairs, Pfizer Vaccines, Collegeville, Pennsylvania, USA
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Bizri A, Ibrahim A, Dagher E, Matar M, Mohammed M, Bitar N, Atallah P, Moghnieh R, Musharrafieh U, Aoun-Bacha Z. Pneumococcal Disease in High-Risk Adults in Lebanon: Expert Opinion. Vaccines (Basel) 2022; 10:vaccines10101650. [PMID: 36298515 PMCID: PMC9607522 DOI: 10.3390/vaccines10101650] [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: 08/26/2022] [Revised: 09/22/2022] [Accepted: 09/27/2022] [Indexed: 11/07/2022] Open
Abstract
Pneumococcal disease affects people across all ages but is more prevalent in young children and the elderly. Despite the availability of the pneumococcal vaccine for adults, the disease burden and mortality associated with it remains a challenge. A few studies conducted in Lebanon have reported epidemiology of pneumococcal disease, concurring the high burden among adults and older adults in the region. The pneumococcal vaccine is a part of the routine immunization schedule for children, but there are no recommendations for adult vaccination. A medical advisory board was hence conducted in September 2020 to discuss the burden of pneumococcal disease (PD) among adults in Lebanon. The participants were experts from the fields of internal medicine, family medicine, hematology, cardiology, oncology, endocrinology, pulmonology, and infectious diseases. The experts reached a consensus that there is a need to take steps to increase the rate of adult vaccination uptake and create awareness among physicians, pharmacists, caregivers, and patients. The physicians should be trained on adult immunization and should actively discuss the importance of the pneumococcal vaccine, especially with high-risk adult patients. Implementing adult vaccination as a routine practice and involving various stakeholders to address the gaps can help in reducing the burden of pneumococcal disease in adults.
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Affiliation(s)
- Abdulrahman Bizri
- American University of Beirut Medical Center, Riad El Solh P.O. Box 11-0236, Lebanon
| | - Ahmad Ibrahim
- Al Makassed General Hospital, Tarik Jdide P.O. Box 6301, Lebanon
| | - Elissar Dagher
- School of Medicine and Medical Sciences, Centre Hospitalier Universitaire Notre Dame des Secours, Holy Spirit University of Kaslik, Jounieh P.O. Box 446, Lebanon
| | - Madonna Matar
- School of Medicine and Medical Sciences, Centre Hospitalier Universitaire Notre Dame des Secours, Holy Spirit University of Kaslik, Jounieh P.O. Box 446, Lebanon
| | | | - Nizar Bitar
- Sahel General Hospital, Ghobeiry P.O. Box 99/25, Lebanon
| | - Paola Atallah
- Saint George Hospital University Medical Center, Rmeil P.O. Box 166378, Lebanon
| | - Rima Moghnieh
- Al Makassed General Hospital, Tarik Jdide P.O. Box 6301, Lebanon
- Correspondence: ; Tel.: +96-13829363
| | - Umayya Musharrafieh
- American University of Beirut Medical Center, Riad El Solh P.O. Box 11-0236, Lebanon
| | - Zeina Aoun-Bacha
- Pulmonary and Critical Care Department, Hotel Dieu de France Hospital, University Medical Center, Saint Joseph University, Alfred Naccache P.O. Box 166830, Lebanon
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Schulz PS, Moore SE, Smith D, Javed J, Wilde AM. Missed Pneumococcal Vaccination Opportunities in Adults With Invasive Pneumococcal Disease in a Community Health System. Open Forum Infect Dis 2022; 9:ofac075. [PMID: 35308484 PMCID: PMC8926003 DOI: 10.1093/ofid/ofac075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 02/08/2022] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Adult vaccination programs are suboptimal.
Methods
Pneumococcal vaccination history, and healthcare contact were assessed in patients with invasive pneumococcal disease.
Results
Of the 229 cases, 14% were vaccinated. Observed mortality was 20.1%.
Conclusions
Numerous missed vaccination opportunities were identified.
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Olsen J, Schnack H, Skovdal M, Vietri J, Mikkelsen MB, Poulsen PB. Cost-effectiveness of 20-valent pneumococcal conjugate vaccine in Denmark compared with PPV23. J Med Econ 2022; 25:1240-1254. [PMID: 36426797 DOI: 10.1080/13696998.2022.2152235] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND A new 20-valent pneumococcal conjugate vaccine (PCV20) provides protection against 20 pneumococcal serotypes. The vaccine has the potential to decrease the impact of pneumococcal diseases in society and to increase health among vulnerable persons. AIM This study investigates the cost-effectiveness of vaccinating Danish adults in different age groups and risk of pneumococcal disease with PCV20 compared to the 23-valent pneumococcal polysaccharide vaccine (PPV23) - either as PCV20 compared to PPV23 or as PPV23 followed by PCV20 compared to PPV23. METHODS A Markov model adapted to the Danish setting was developed to estimate clinical outcomes and costs of vaccinating the Danish population in specific age and risk groups. The model used a restricted societal perspective and estimated outcomes and costs using a lifetime time horizon. To estimate the clinical outcomes and costs, inputs on vaccine effectiveness and waning were retrieved from other studies whereas data on risk groups, coverage and costs were based on real-world data. RESULTS The results showed that in all scenarios the incidence and mortality of pneumococcal disease were reduced when vaccinating with PCV20, resulting in lower costs. For the vaccine target group of adults aged ≥18 years at moderate or high risk and all adults aged ≥65 years both in the case of PPV23+PCV20 compared to PPV23 and in case of PCV20 compared to PPV23 vaccination with PCV20 was found to be a dominant strategy gaining 1,350 or 5,821 quality-adjusted life years (QALYs), respectively, and reducing total costs by 60 or 396 million EUR, respectively, as compared to PPV23 vaccination alone. Similar results of dominant PCV20 strategy were found for other age and risk group comparisons. Both deterministic and probabilistic sensitivity analyses confirmed the results being robust to changes in input parameters and applied assumptions. LIMITATIONS Like other modelling studies, this analysis has limitations such as lack of detailed data for some inputs. CONCLUSION Vaccination with PCV20 reduced the incidence and mortality of pneumococcal diseases in Danish adults compared to PPV23. This reduction has the potential to reduce the financial burden related to managing diseases while also increasing public health.
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Affiliation(s)
| | | | - Mette Skovdal
- Medical Vaccines, Pfizer Denmark ApS, Ballerup, Denmark
| | - Jeffrey Vietri
- Patient & Health Impact, Pfizer Inc, Collegeville, PA, USA
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Pittet LF, Verolet CM, Michetti P, Gaillard E, Girardin M, Juillerat P, Mottet C, Maillard MH, Siegrist CA, Posfay-Barbe KM. Risk of Vaccine-Preventable Infections in Swiss Adults with Inflammatory Bowel Disease. Digestion 2021; 102:956-964. [PMID: 33971650 DOI: 10.1159/000516111] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Accepted: 03/14/2021] [Indexed: 02/04/2023]
Abstract
BACKGROUND Patients with inflammatory bowel disease (IBD) have a higher risk of infection and are frequently not up to date with their immunizations. OBJECTIVES This study aims to review vaccination status and evaluate whether age, disease type, or treatment regimen could predict the absence of seroprotection against selected vaccine-preventable infection in adults with IBD. METHODS Cross-sectional study using questionnaire, immunization records review, and assessment of tetanus-specific, varicella-specific, and measles-specific immunoglobulin G concentrations. ClinicalTrials.gov: NCT01908283. RESULTS Among the 306 adults assessed (median age 42.7 years old, 70% with Crohn's disease, 78% receiving immunosuppressive treatment), only 33% had an immunization record available. Absence of seroprotection against tetanus (6%) was associated with increasing age and absence of booster dose; absence of seroprotection against varicella (1%) or measles (3%) was exclusively observed in younger patients with Crohn's disease. There was no statistically significant difference in immunoglobulin concentrations among treatment groups. Although vaccinations are strongly recommended in IBD patients, the frequencies of participants with at least 1 dose of vaccine recorded were low for nearly all antigens: tetanus 94%, diphtheria 87%, pertussis 54%, poliovirus 22%, measles-mumps-rubella 47%, varicella-zoster 0%, Streptococcus pneumoniae 5%, Neisseria meningitidis 12%, hepatitis A 41%, hepatitis B 48%, human papillomavirus 5%, and tick-borne encephalitis 6%. CONCLUSIONS Although many guidelines recommend the vaccination of IBD patients, disease prevention through immunization is still often overlooked, including in Switzerland, increasing their risk of vaccine-preventable diseases. Serological testing should be standardized to monitor patients' protection during follow-up as immunity may wane faster in this population.
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Affiliation(s)
- Laure F Pittet
- Department of Pediatrics, Pediatric Infectious Disease Unit, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - Charlotte M Verolet
- Department of Pediatrics, Pediatric Infectious Disease Unit, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - Pierre Michetti
- Crohn's and Colitis Center, Gastroenterology Beaulieu SA, Lausanne, Switzerland.,Department of Medicine, Service of Gastroenterology and Hepatology, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - Elsa Gaillard
- Department of Pediatrics, Pediatric Infectious Disease Unit, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - Marc Girardin
- Department of Medical Specialities, Gastroenterology Service, Geneva University Hospitals, Geneva, Switzerland
| | - Pascal Juillerat
- Service of Gastroenterology, Clinic of Visceral Surgery and Medicine, Bern University Hospital, Bern, Switzerland
| | - Christian Mottet
- Service of Gastroenterology, Hôpital Cantonal, Sion, Switzerland
| | - Michel H Maillard
- Crohn's and Colitis Center, Gastroenterology Beaulieu SA, Lausanne, Switzerland.,Department of Medicine, Service of Gastroenterology and Hepatology, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - Claire-Anne Siegrist
- Departments of Pathology-Immunology and Pediatrics, Centre for Vaccinology, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - Klara M Posfay-Barbe
- Department of Pediatrics, Pediatric Infectious Disease Unit, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
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Buchwald UK, Andrews CP, Ervin J, Peterson JT, Tamms GM, Krupa D, Ajiboye P, Roalfe L, Krick AL, Sterling TM, Wang M, Martin JC, Stek JE, Kohn MA, Folaranmi T, Abeygunawardana C, Hartzel J, Musey LK. Sequential administration of Prevnar 13™ and PNEUMOVAX™ 23 in healthy participants 50 years of age and older. Hum Vaccin Immunother 2021; 17:2678-2690. [PMID: 34019468 PMCID: PMC8475587 DOI: 10.1080/21645515.2021.1888621] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
In most countries worldwide, pneumococcal conjugate vaccines have been included in the infant immunization program, resulting in a significant reduction in the burden of pneumococcal disease in children and adults. Shifting serotype distribution due to the indirect effect of infant vaccination with the 13-valent pneumococcal conjugate vaccine (PCV13) may continue to increase the gap between 23-valent pneumococcal polysaccharide vaccine (PPSV23) and PCV13 serotype coverage for older adults in the coming years. This clinical study (V110-029; NCT02225587) evaluated the safety and immunogenicity of sequential administration of PCV13 followed approximately 8 weeks later, or approximately 26 weeks later, by PPSV23 in healthy adults ≥50 years of age. Both dosing intervals were generally well tolerated as measured by the nature, frequency, and intensity of reported adverse events (AEs) in both vaccination groups. Serotype-specific opsonophagocytic activity (OPA) geometric mean titers (GMTs) measured 30 days following receipt of PPSV23 in either group and at Week 30 were generally comparable between the 2 groups for 6 serotypes unique to PPSV23 and 12 serotypes shared between PCV13 and PPSV23, regardless of the interval between receipt of PCV13 and PPSV23. In addition, administration of PPSV23 given either 8 weeks or 26 weeks following PCV13 did not negatively impact immune responses induced by PCV13. Furthermore, administration of PPSV23 given either 8 weeks or 26 weeks after PCV13 elicited serotype-specific OPA GMTs to serotypes unique to PPSV23, which could provide earlier protection against pneumococcal disease caused by these serotypes in comparison with the current Advisory Committee on Immunization Practices recommended interval of at least 12 months.
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Affiliation(s)
| | | | - John Ervin
- Alliance for Multispecialty Research, Knoxville, TN, USA
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11
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Albrich WC, Rassouli F, Waldeck F, Berger C, Baty F. Influence of Older Age and Other Risk Factors on Pneumonia Hospitalization in Switzerland in the Pneumococcal Vaccine Era. Front Med (Lausanne) 2019; 6:286. [PMID: 31867337 PMCID: PMC6906144 DOI: 10.3389/fmed.2019.00286] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Accepted: 11/21/2019] [Indexed: 01/04/2023] Open
Abstract
Background: Pneumococcal pneumonia is a disease of the extremes of age. However, as other traditional risk factors for pneumococcal pneumonia also increase with older age, it is unclear if older age itself should be an indication for pneumococcal vaccination. Therefore, we assessed the effect of age on risk for hospitalization for pneumonia and for pneumococcal pneumonia. Methods: Using a national hospitalization dataset, all patients ≥16 years hospitalized in a Swiss hospital with a diagnosis of pneumonia or pneumococcal pneumonia between 2002 and 2015 were included. Multivariable logistic regression analysis was used to test the association between age (≥50 or ≥65 years) and hospitalization for pneumonia or pneumococcal pneumonia after adjusting for pneumococcal vaccine indications. Similar analyses were performed for effect of age on length of stay (LOS) and mortality. Results: Among a total of 17,619,016 hospitalizations a diagnosis of pneumonia was present in 421,760 (2.4%) and a diagnosis of pneumococcal pneumonia in 21,610 (0.12%). Age ≥50 years (OR: 3.52 and 2.12, respectively; p for both <0.001) and age ≥65 years (OR: 2.98 and 1.80, respectively; p for both <0.001) as well as most Swiss pneumococcal vaccine indications were independent predictors of hospitalization with a pneumonia and pneumococcal pneumonia diagnosis, respectively. Older age with both age cut-offs were associated with increased LOS (≥50 years: aRR: 1.19 and 1.24, respectively; age ≥65 years: aRR: 1.60 and 1.20, respectively; p < 0.001 for all) and mortality (≥50 years: aOR: 4.73 and 2.84, respectively; age ≥65 years: aOR: 2.38 and 2.69, respectively, p < 0.001 for all) in patients with a pneumonia and pneumococcal pneumonia diagnosis, respectively. The effects of pneumococcal vaccine indications decreased with older age. The incidences of hospitalizations with a pneumonia diagnosis and a pneumococcal pneumonia diagnosis increased significantly from the pre-vaccine era to the PCV7 era and the PCV13 era (p for trend for both analyses <0.001). Conclusion: This study confirms the Swiss indications for pneumococcal vaccination as independent risk factors for pneumonia hospitalizations. Older age itself should be considered as an additional vaccine indication. Pneumonia and pneumococcal pneumonia in adults have increased despite pneumococcal vaccination in children.
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Affiliation(s)
- Werner C Albrich
- Division Infectious Diseases and Hospital Epidemiology, Cantonal Hospital St. Gallen, St. Gallen, Switzerland
| | - Frank Rassouli
- Department of Pulmonary and Sleep Medicine, Cantonal Hospital St. Gallen, St. Gallen, Switzerland
| | - Frederike Waldeck
- Division Infectious Diseases and Hospital Epidemiology, Cantonal Hospital St. Gallen, St. Gallen, Switzerland
| | - Christoph Berger
- Division of Infectious Diseases and Hospital Epidemiology, University Children's Hospital Zürich, Zurich, Switzerland
| | - Florent Baty
- Department of Pulmonary and Sleep Medicine, Cantonal Hospital St. Gallen, St. Gallen, Switzerland
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The impact of certain underlying comorbidities on the risk of developing hospitalised pneumonia in England. Pneumonia (Nathan) 2019; 11:4. [PMID: 31632897 PMCID: PMC6788086 DOI: 10.1186/s41479-019-0063-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Accepted: 09/12/2019] [Indexed: 02/05/2023] Open
Abstract
Background UK specific data on the risk of developing hospitalised CAP for patients with underlying comorbidities is lacking. This study compared the likelihood of hospitalised all-cause community acquired pneumonia (CAP) in patients with certain high-risk comorbidities and a comparator group with no known risk factors for pneumococcal disease. Methods This retrospective cohort study interrogated data in the Hospital Episodes Statistics (HES) dataset between financial years 2012/13 and 2016/17. In total 3,078,623 patients in England (aged ≥18 years) were linked to their hospitalisation records. This included 2,950,910 individuals with defined risk groups and a comparator group of 127,713 people who had undergone tooth extraction with none of the risk group diagnoses. Risk groups studied were chronic respiratory disease (CRD), chronic heart disease (CHD), chronic liver disease (CLD), chronic kidney disease (CKD), diabetes (DM) and post bone marrow transplant (BMT). The patients were tracked forward from year 0 (2012/13) to Year 3 (2016/17) and all diagnoses of hospitalised CAP were recorded. A Logistic regression model compared odds of developing hospitalised CAP for patients in risk groups compared to healthy controls. The model was simultaneously adjusted for age, sex, strategic heath authority (SHA), index of multiple deprivation (IMD), ethnicity, and comorbidity. To account for differing comorbidity profiles between populations the Charlson Comorbidity Index (CCI) was applied. The model estimated odds ratios (OR) with 95% confidence intervals of developing hospitalised CAP for each specified clinical risk group. Results Patients within all the risk groups studied were more likely to develop hospitalised CAP than patients in the comparator group. The odds ratios varied between underlying conditions ranging from 1.18 (95% CI 1.13, 1.23) for those with DM to 5.48 (95% CI 5.28, 5.70) for those with CRD. Conclusions Individuals with any of 6 pre-defined underlying comorbidities are at significantly increased risk of developing hospitalised CAP compared to those with no underlying comorbid condition. Since the likelihood varies by risk group it should be possible to target patients with each of these underlying comorbidities with the most appropriate preventative measures, including immunisations.
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13
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High Immunogenicity of the Pneumococcal Conjugated Vaccine in Immunocompromised Adults With Inflammatory Bowel Disease. Am J Gastroenterol 2019; 114:1130-1141. [PMID: 31205131 DOI: 10.14309/ajg.0000000000000289] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Patients with inflammatory bowel disease (IBD) are predisposed to pneumococcal infections due to their underlying disease and iatrogenic immunosuppression. Vaccination with the 13-valent pneumococcal conjugated vaccine (PCV13) is recommended, but with poor take-up and few data available. We performed an open-label, phase IV, multicenter study to evaluate the safety and immunogenicity of PCV13 in adults with IBD and to analyze the influence of immunomodulating treatments on anti-pneumococcal seroresponses. METHODS We enrolled 306 patients with IBD from March 2014 through February 2016, with the following exclusion criteria: current IBD flare, pregnancy, pneumococcal immunization in the previous 5 years, and influenza immunization in the previous 4 weeks. PCV13 was administered intramuscularly. Serotype-specific vaccine responses were evaluated using an opsonophagocytic assay. Adverse events were monitored by diary cards and standardized phone interviews. RESULTS The median seroprotection rate increased significantly from 43.9% (95% confidence interval [CI], 42.3-45.5) at inclusion to 90.4% (95% CI, 89.5-91.3%; P < 0.001) after vaccination. Patients receiving anti-tumor necrosis factor agents achieved a slightly lower seroprotection rate (from 44.5% [95% CI, 42.3%-46.8%] to 86.6% [95% CI, 84.9%-88.1%]) than patients treated with other types of immunosuppressive regimens (thiopurine, methotrexate, oral corticosteroids; from 44.7% [95% CI, 41.7%-47.7%] to 93.8% [95% CI, 92.1%-95.2%]) or nonimmunosuppressive treatment (5-aminosalicylate, topical corticosteroids, vedolizumab; from 41.3% [95% CI, 37.9%-44.8%] to 95.2% [95% CI, 93.4%-96.6%]). There were no safety issues. DISCUSSION Overall, the administration of PCV13 was highly immunogenic and well tolerated, irrespective of the baseline treatment, and should be encouraged in all adults with IBD.
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Rivero-Calle I, Cebey-López M, Pardo-Seco J, Yuste J, Redondo E, Vargas DA, Mascarós E, Díaz-Maroto JL, Linares-Rufo M, Jimeno I, Gil A, Molina J, Ocaña D, Martinón-Torres F. Lifestyle and comorbid conditions as risk factors for community-acquired pneumonia in outpatient adults (NEUMO-ES-RISK project). BMJ Open Respir Res 2019; 6:e000359. [PMID: 31178994 PMCID: PMC6530500 DOI: 10.1136/bmjresp-2018-000359] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 11/30/2018] [Accepted: 12/26/2018] [Indexed: 12/02/2022] Open
Abstract
Introduction Information about community-acquired pneumonia (CAP) risk in primary care is limited. We assess different lifestyle and comorbid conditions as risk factors (RF) for CAP in adults in primary care. Methods A retrospective-observational-controlled study was designed. Adult CAP cases diagnosed at primary care in Spain between 2009 and 2013 were retrieved using the National Surveillance System of Primary Care Data (BiFAP). Age-matched and sex-matched controls were selected by incidence density sampling (ratio 2:1). Associations are presented as percentages and OR. Binomial regression models were constructed to avoid bias effects. Results 51 139 patients and 102 372 controls were compared. Mean age (SD) was 61.4 (19.9) years. RF more significantly linked to CAP were: HIV (OR [95% CI]: 5.21 [4.35 to 6.27]), chronic obstructive pulmonary disease (COPD) (2.97 [2.84 to 3.12]), asthma (2.16 [2.07,2.26]), smoking (1.96 [1.91 to 2.02]) and poor dental hygiene (1.45 [1.41 to 1.49]). Average prevalence of any RF was 82.2% in cases and 69.2% in controls (2.05 [2.00 to 2.10]). CAP rate increased with the accumulation of RF and age: risk associated with 1RF was 1.42 (1.37 to 1.47) in 18–60-year-old individuals vs 1.57 (1.49 to 1.66) in >60 years of age, with 2RF 1.88 (1.80 to 1.97) vs 2.35 (2.23, 2.48) and with ≥ 3 RF 3.11 (2.95, 3.30) vs 4.34 (4.13 to 4.57). Discussion Prevalence of RF in adult CAP in primary care is high. Main RFs associated are HIV, COPD, asthma, smoking and poor dental hygiene. Our risk stacking results could help clinicians identify patients at higher risk of pneumonia.
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Affiliation(s)
- Irene Rivero-Calle
- Translational Pediatrics and Infectious Diseases Section, Pediatrics Department, Hospital Clínico Universitario de Santiago de Compostela, Santiago de Compostela, Spain.,Vaccines, Infections and Pediatrics Research Group (GENVIP), Healthcare Research Institute of Santiago de Compostela, Santiago de Compostela, Spain
| | - Miriam Cebey-López
- Vaccines, Infections and Pediatrics Research Group (GENVIP), Healthcare Research Institute of Santiago de Compostela, Santiago de Compostela, Spain
| | - Jacobo Pardo-Seco
- Vaccines, Infections and Pediatrics Research Group (GENVIP), Healthcare Research Institute of Santiago de Compostela, Santiago de Compostela, Spain
| | - José Yuste
- Pneumococcal Unit of the Laboratory of Reference and Research in Bacterial Diseases Preventable by Vaccines, National Center of Microbiology and CIBER of Respiratory Diseases (CIBERES). Carlos III Health Institute, Madrid, Spain
| | - Esther Redondo
- Preventive and Public Health Activities Group SEMERGEN, International Heath Center, Madrid, Spain
| | - Diego A Vargas
- Versatile Hospitalization Unit, Hospital de Alta Resolución El Toyo, Agencia Pública Sanitaria, Hospital de Poniente, Almería, Spain
| | - Enrique Mascarós
- Health Department, Hospital Dr Peset, Primary Care Center Fuente de San Luís, Valencia, Spain
| | - Jose Luis Díaz-Maroto
- Primary Care Health Center Guadalajara, Infectious Diseases Group SEMERGEN, Guadalajara, Spain
| | - Manuel Linares-Rufo
- Specialist in Primary Care and Clinical Microbiology, Infectious Diseases Group SEMERGEN, Fundación io, Madrid, Spain
| | - Isabel Jimeno
- Primary Care Health Center Isla de Oza, Vaccine Responsible of SEMG, Madrid, Spain
| | - Angel Gil
- Preventive and Public Health, Rey Juan Carlos University, Madrid, Spain
| | - Jesus Molina
- Primary Care, Health Care Center Francia, Fuenlabrada, Madrid, Spain
| | - Daniel Ocaña
- Primary Care, Health Care Center Algeciras, Algeciras, Spain
| | - Federico Martinón-Torres
- Translational Pediatrics and Infectious Diseases Section, Pediatrics Department, Hospital Clínico Universitario de Santiago de Compostela, Santiago de Compostela, Spain.,Vaccines, Infections and Pediatrics Research Group (GENVIP), Healthcare Research Institute of Santiago de Compostela, Santiago de Compostela, Spain
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Kuronuma K, Takahashi H. Immunogenicity of pneumococcal vaccines in comorbid autoimmune and chronic respiratory diseases. Hum Vaccin Immunother 2019; 15:859-862. [PMID: 30698500 DOI: 10.1080/21645515.2018.1564443] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
Abstract
Streptococcus pneumoniae causes pneumonia, meningitis, otitis media, and bacteremia. The mortality and morbidity of invasive pneumococcal disease are high among adults aged >65 years or those with underlying chronic or immunosuppressive conditions. A recent systematic review showed that patients treated with immunosuppressive agents have impaired immune responses to pneumococcal conjugate vaccine (PCV) and pneumococcal polysaccharide vaccine compared with healthy subjects. A more favorable response is observed in patients treated with tumor necrosis factor-alpha-blocking agents compared with those treated with other immunosuppressive agents. Low systemic corticosteroid doses do not affect the responses to pneumococcal vaccines. Patients with human immunodeficiency virus and idiopathic pulmonary fibrosis receiving immunosuppressive therapy exhibit decreased immunogenicity to pneumococcal vaccines. The effects of T-cell-dependent PCV possibly depend on host memory B cells in some disease conditions. Several immunosuppressive therapy types and disease conditions may affect the responses to pneumococcal vaccines. Immunization should be administered before immunosuppressive medication initiation whenever possible.
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Affiliation(s)
- Koji Kuronuma
- a Department of Respiratory Medicine and Allergology , Sapporo Medical University School of Medicine , Sapporo , Japan
| | - Hiroki Takahashi
- a Department of Respiratory Medicine and Allergology , Sapporo Medical University School of Medicine , Sapporo , Japan
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Gea-Izquierdo E. Tendencias de mortalidad por afección del sistema respiratorio y neumonía en España: Serie 1992-2001. JOURNAL OF THE SELVA ANDINA RESEARCH SOCIETY 2018. [DOI: 10.36610/j.jsars.2018.090200068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Abstract
Despite advances in treatment and prevention, the pneumococcus continues to be a dominant cause of severe pneumonia and sepsis and of otitis media, sinusitis, and nonbacteremic pneumonia. Lewnard and colleagues (Infect Immun 86:e00727-17, 2018, https://doi.org/10.1128/IAI.00727-17) used a unique data set of nasopharyngeal and middle ear fluid samples to provide further insight into the progression of nasopharyngeal pneumococcal colonization to disease. They report the comparative rate of progression from colonization to otitis media by serotype, providing insight into how conjugate vaccines that do not reduce the overall prevalence of pneumococci in the nasopharynx dramatically impact the incidence of acute and complex otitis media.
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18
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Mooney JD, Imarhiagbe M, Ling J. Should UK Pneumococcal Vaccine Eligibility Criteria Include Alcohol Dependency in Areas with High Alcohol-Related Mortality? Vaccines (Basel) 2018; 6:vaccines6020025. [PMID: 29724023 PMCID: PMC6027398 DOI: 10.3390/vaccines6020025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Revised: 04/27/2018] [Accepted: 04/28/2018] [Indexed: 11/16/2022] Open
Abstract
A recently reported steep increase in the incidence of invasive pneumococcal disease (IPD) in adults in the North East of England was primarily associated with pneumococcal sero-types found in the 23-valent pneumococcal polysaccharide vaccine (PPSV23). This region also has one of the highest rates of alcohol-related premature mortality and morbidity in the UK. Given that alcohol dependence is long acknowledged as one of the strongest risk factors for IPD mortality, we feel there is an increasingly compelling case to look again at the divergence of UK vaccine guidance from that of the World Health Organisation and the Centre for Disease Control in the USA, in the non-inclusion of alcoholism as an indicator condition that would potentially benefit from receiving PPSV23 vaccine. Such a re-think would represent a responsible evaluation of vaccination guidance in the face of newly emerging epidemiological findings and would have the potential to save lives in a very marginalised and vulnerable section of the population. We propose therefore that alcohol dependency (now referred to as alcohol use disorder), should be re-considered an indicator condition for receiving pneumococcal vaccine in North East England, where mortality from pneumococcal disease has been rising and which already has an excessive burden of alcohol-related mortality.
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Affiliation(s)
- John D Mooney
- School of Nursing and Health Sciences, University of Sunderland, Sunderland SR1 3SD, UK.
- Directorate of Public Health, Sunderland City Council, Sunderland SR2 7ND, UK.
| | - Michael Imarhiagbe
- School of Nursing and Health Sciences, University of Sunderland, Sunderland SR1 3SD, UK.
| | - Jonathan Ling
- School of Nursing and Health Sciences, University of Sunderland, Sunderland SR1 3SD, UK.
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Lopardo GD, Fridman D, Raimondo E, Albornoz H, Lopardo A, Bagnulo H, Goleniuk D, Sanabria M, Stamboulian D. Incidence rate of community-acquired pneumonia in adults: a population-based prospective active surveillance study in three cities in South America. BMJ Open 2018; 8:e019439. [PMID: 29643153 PMCID: PMC5898349 DOI: 10.1136/bmjopen-2017-019439] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
OBJECTIVE To determine the incidence rate and mortality of community-acquired pneumonia (CAP) in adults in three cities in Latin America during a 3-year period. DESIGN Prospective population-based surveillance study. SETTING Healthcare facilities (outpatient centres and hospitals) in the cities of General Roca (Argentina), Rivera (Uruguay) and Concepción (Paraguay). PARTICIPANTS 2302 adults aged 18 years and older with CAP were prospectively enrolled between January 2012 and March 2015. MAIN OUTCOME MEASURES Incidence rates of CAP in adults, predisposing conditions for disease, mortality at 14 days and at 1 year were estimated. Incidence rate of CAP, within each age group, was calculated by dividing the number of cases by the person-years of disease-free exposure time based on the last census; incidence rates were expressed per 1000 person-years. RESULTS Median age of participants was 66 years, 46.44% were men, 68% were hospitalised. Annual incidence rate was 7.03 (95% CI 6.64 to 7.44) per 1000 person-years in General Roca, 6.33 (95% CI 5.92 to 6.78) per 1000 person-years in Rivera and 1.76 (95% CI 1.55 to 2.00) per 1000 person-years in Concepción. Incidence rates were highest in participants aged over 65 years. 82.4% had at least one predisposing condition and 48% had two or more (multimorbidity). Chronic heart disease (43.6%) and smoking (37.3%) were the most common risk factors. 14-day mortality rate was 12.1% and 1-year mortality was 24.9%. Multimorbidity was associated with an increased risk of death at 14 days (OR 2.91; 95% CI 2.23 to 3.80) and at 1 year (OR 3.00; 95% CI 2.44 to 3.70). CONCLUSIONS We found a high incidence rate of CAP in adults, ranging from 1.76 to 7.03 per 1000 person-years, in three cities in South America, disclosing the high burden of disease in the region. Efforts to improve prevention strategies are needed.
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Affiliation(s)
| | - Diego Fridman
- Fundación del Centro de Estudios Infectológicos, Buenos Aires, Argentina
| | - Enrique Raimondo
- Department of Infectious Diseases, Hospital López Lima, General Roca, Argentina
| | - Henry Albornoz
- Department of Infectious Diseases, Universidad de la República, Hospital Maciel, Montevideo, Uruguay
| | - Ana Lopardo
- Fundación del Centro de Estudios Infectológicos, Buenos Aires, Argentina
| | | | | | - Manuelita Sanabria
- Department of Internal Medicine, Hospital Regional Concepción. Instituto de Previsión Social, Concepción, Paraguay
| | - Daniel Stamboulian
- Fundación del Centro de Estudios Infectológicos, Buenos Aires, Argentina
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Jackson LA, El Sahly HM, George S, Winokur P, Edwards K, Brady RC, Rouphael N, Keitel WA, Mulligan MJ, Burton RL, Nakamura A, Ferreria J, Nahm MH. Randomized clinical trial of a single versus a double dose of 13-valent pneumococcal conjugate vaccine in adults 55 through 74 years of age previously vaccinated with 23-valent pneumococcal polysaccharide vaccine. Vaccine 2017; 36:606-614. [PMID: 29279281 DOI: 10.1016/j.vaccine.2017.12.061] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Revised: 12/18/2017] [Accepted: 12/19/2017] [Indexed: 10/18/2022]
Abstract
INTRODUCTION In older adults, prior administration of 23-valent pneumococcal polysaccharide vaccine (PPSV23) blunts the opsonophagocytic antibody (OPA) response to subsequent administration of 13-valent pneumococcal conjugate vaccine (PCV13). To determine whether a higher dose of PCV13 could mitigate this effect in adults 55 through 74 years of age, we compared OPA responses to a double dose of PCV13 in persons previously vaccinated with PPSV23 with responses to a single dose of PCV13 in previously vaccinated persons, and with a single dose in PPSV23 naïve persons. METHODS Subjects previously vaccinated with PPSV23 were randomly assigned to receive either a single injection or two concurrent injections of 0.5 mL PCV13. Naïve subjects received a single injection of 0.5 mL PCV13. Serotype-specific OPA responses to 12 of the PCV13 serotypes were assessed on samples collected on Day 29 and Day 181. Comparisons of the OPA titers between study groups were based on the lower bound of the 95% confidence interval of the log geometric mean ratio to define superiority (>1) and non-inferiority (>0.5). RESULTS At Day 29, the OPA responses to one dose in previously vaccinated (n = 284) versus one dose in naïve subjects (n = 311) achieved the threshold for non-inferiority for only 3 of the 12 serotypes. In previously vaccinated subjects, responses to a double dose (n = 288) versus a single dose met the threshold for superiority for 7 serotypes. The responses to a double dose in previously vaccinated subjects versus a single dose in naïve subjects met the threshold for non-inferiority for 9 serotypes. CONCLUSIONS There is a dose response to PCV13 in older adults and the higher response to a double dose in previously vaccinated adults is non-inferior to that of a single dose in naïve adults for 9 of the 12 PCV13 serotypes evaluated.
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Affiliation(s)
- Lisa A Jackson
- Kaiser Permanente Washington Health Research Institute, Seattle, WA, United States.
| | - Hana M El Sahly
- Departments of Molecular Virology & Microbiology and Medicine, Baylor College of Medicine, Houston, TX, United States
| | - Sarah George
- Division of Infectious Diseases, Allergy, & Immunology, Saint Louis University School of Medicine, and St. Louis VA Medical Center, St. Louis, MO, United States
| | - Patricia Winokur
- University of Iowa and Iowa City VA Medical Center, Iowa City, IA, United States
| | - Kathryn Edwards
- Vanderbilt Vaccine Research Program, Division of Infectious Diseases, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Rebecca C Brady
- Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States
| | - Nadine Rouphael
- The Hope Clinic of the Emory Vaccine Center, Division of Infectious Diseases, Department of Medicine, School of Medicine, Emory University, Decatur, GA, United States
| | - Wendy A Keitel
- Departments of Molecular Virology & Microbiology and Medicine, Baylor College of Medicine, Houston, TX, United States
| | - Mark J Mulligan
- The Hope Clinic of the Emory Vaccine Center, Division of Infectious Diseases, Department of Medicine, School of Medicine, Emory University, Decatur, GA, United States
| | - Robert L Burton
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Aya Nakamura
- The Emmes Corporation, Rockville, MD, United States
| | | | - Moon H Nahm
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
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Risk stacking of pneumococcal vaccination indications increases mortality in unvaccinated adults with Streptococcus pneumoniae infections. Vaccine 2017; 35:1692-1697. [PMID: 28245940 DOI: 10.1016/j.vaccine.2017.02.026] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Revised: 02/09/2017] [Accepted: 02/14/2017] [Indexed: 11/24/2022]
Abstract
BACKGROUND Several chronic disease states have been identified as pneumococcal vaccination indications due to their ability to increase pneumococcal disease development and subsequent mortality. However, the risk of mortality according to the number of these disease states present is unknown. We sought to determine the impact of concomitant, multiple risk factors (stacked risks) for pneumococcal disease on 30-day mortality in adults. METHODS This was a national case-control study of unvaccinated older Veterans (≥50years of age) admitted to Veterans Affairs medical centers from 2002 to 2011 with serious pneumococcal infections (pneumonia, bacteremia, meningitis) based on positive S. pneumoniae blood, cerebrospinal fluid, or respiratory cultures, respectively. Cases were those not alive 30days following culture, while controls were alive. Using logistic regression, we quantified risk of 30-day mortality among patients with stacked risk factors, including age ≥65years, alcohol abuse, chronic heart disease, chronic liver disease, chronic respiratory disease, diabetes mellitus, immunodeficiency, and smoking. RESULTS We identified 9730 serious pneumococcal infections, with an overall 30-day mortality rate of 18.6% (1764 cases, 7966 controls). Infection types included pneumonia (62%), bacteremia (26%), and bacteremic pneumonia (11%). Along with eight individual risk factors, we assessed 247 combinations of risk factors. Most cases (85%) and controls (74%) had at least two risk factors. Mortality increased as risks were stacked, up to six risk factors (one: OR 1.5, CI 1.08-2.07; two: OR 2.01, CI 1.47-2.75; three: OR 2.71, CI 1.99-3.69; four: OR 3.27, CI 2.39-4.47; five: OR 3.63, CI 2.60-5.07; six: OR 4.23, CI 2.69-6.65), with each additional risk factor increasing mortality an average of 55% (±13%). CONCLUSIONS Among adults ≥50years with serious pneumococcal disease, mortality risk increased approximately 55% as vaccination indications present increased. Mortality with six stacked indications was double that of two indications.
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Rivero-Calle I, Pardo-Seco J, Aldaz P, Vargas DA, Mascarós E, Redondo E, Díaz-Maroto JL, Linares-Rufo M, Fierro-Alacio MJ, Gil A, Molina J, Ocaña D, Martinón-Torres F. Incidence and risk factor prevalence of community-acquired pneumonia in adults in primary care in Spain (NEUMO-ES-RISK project). BMC Infect Dis 2016; 16:645. [PMID: 27821085 PMCID: PMC5100110 DOI: 10.1186/s12879-016-1974-4] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Accepted: 10/26/2016] [Indexed: 12/20/2022] Open
Abstract
Background Community-acquired pneumonia (CAP) is a major cause of morbidity and mortality in adults even in developed countries. Several lifestyle factors and comorbidities have been linked to an increased risk, although their prevalence has not been well documented in the primary care setting. The aim of this study is to assess the incidence, risk factor and comorbid conditions distribution of CAP in adults in primary care in Spain. Methods Retrospective observational study in adults (>18 years-old) with CAP diagnosed and attended at primary care in Spain between 2009 and 2013, using the Computerized Database for Pharmacoepidemiological Studies in Primary Care (BIFAP). Results Twenty-eight thousand four hundred thirteen patient records were retrieved and analyzed. Mean age (standard deviation): 60.5 (20.3) years, 51.7 % males. Global incidence of CAP in adults was estimated at 4.63 per 1000 persons/year. CAP incidence increased progressively with age, ranging from a 1.98 at 18–20 years of age to 23.74 in patients over 90 years of age. According to sex, global CAP incidence was slightly higher in males (5.04) than females (4.26); CAP incidence from 18 to 65 year-olds up was comparable between males (range: 2.18–5.75) and females (range: 1.47–5.21), whereas from 65 years of age, CAP incidence was noticeable higher in males (range: 7.06–36.93) than in females (range: 5.43–19.62). Average prevalence of risk factors was 71.3 %, which increased with age, doubling the risk in males by the age of 75 (females 20 % vs males 40 %). From 55 years of age, at least one risk factor was identified in 85.7 % of cases: one risk factor (23.8 %), two risk factors (23.4 %), three or more risk factors (38.5 %). Major risk factors were: metabolic disease (27.4 %), cardiovascular disease (17.8 %) and diabetes (15.5 %). Conclusions The annual incidence of CAP in primary care adults in Spain is high, comparable between males and females up to 65 years of age, but clearly increasing in males from that age. CAP risk increases with age and doubles in males older than 75 years. The majority of CAP cases in patients over 55 years of age is associated to at least one risk factor. The main risk factors associated were metabolic disease, cardiovascular disease, and diabetes. Electronic supplementary material The online version of this article (doi:10.1186/s12879-016-1974-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- I Rivero-Calle
- Translational Pediatrics and Infectious Diseases Section, Pediatrics Department, Hospital Clínico Universitario de Santiago de Compostela, Travesía da Choupana, s/n, 15706, Santiago de Compostela, Spain.,Genetics, Vaccines, Infections and Pediatrics Research Group (GENVIP), Healthcare Research Institute of Santiago de Compostela, Santiago de Compostela, Spain
| | - J Pardo-Seco
- Genetics, Vaccines, Infections and Pediatrics Research Group (GENVIP), Healthcare Research Institute of Santiago de Compostela, Santiago de Compostela, Spain
| | - P Aldaz
- Member of the Infectious Diseases Prevention Group PAPPS-SEMFYC, Primary Health Care Center San Juan, Pamplona, Spain
| | - D A Vargas
- Versatile Hospitalization Unit, Hospital de Alta Resolución El Toyo, Agencia Pública Sanitaria, Hospital de Poniente, Almería, Spain
| | - E Mascarós
- Health Department, Hospital Dr Peset, Primary Care Center Fuente de San Luís, Valencia, Spain
| | - E Redondo
- Preventive and Public Health Activities Group SEMERGEN, International Heath Center, Madrid, Spain
| | - J L Díaz-Maroto
- Primary Care Health Center Guadalajara, Infectious Diseases Group SEMERGEN, Guadalajara, Spain
| | - M Linares-Rufo
- Primary Care and Clinical Microbiology, Infectious Diseases Group SEMERGEN, Fundación io, Spain
| | | | - A Gil
- Preventive Medicine and Public Health, Rey Juan Carlos University, Madrid, Spain
| | - J Molina
- Primary Care Respiratory Group, Health Care Center Francia, Fuenlabrada, Madrid, Spain
| | - D Ocaña
- Primary Care Respiratory Group, Health Care Center Algeciras, Algeciras, Spain
| | - Federico Martinón-Torres
- Translational Pediatrics and Infectious Diseases Section, Pediatrics Department, Hospital Clínico Universitario de Santiago de Compostela, Travesía da Choupana, s/n, 15706, Santiago de Compostela, Spain. .,Genetics, Vaccines, Infections and Pediatrics Research Group (GENVIP), Healthcare Research Institute of Santiago de Compostela, Santiago de Compostela, Spain.
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Redondo E, Rivero I, Vargas D, Mascarós E, Díaz-Maroto J, Linares M, Valdepérez J, Gil A, Molina J, Jimeno I, Ocaña D, Martinón-Torres F. Vacunación frente a la neumonía adquirida en la comunidad del adulto. Posicionamiento del Grupo de Neumoexpertos en Prevención. Semergen 2016; 42:464-475. [DOI: 10.1016/j.semerg.2016.07.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Accepted: 07/14/2016] [Indexed: 10/21/2022]
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Greenberg D, Lee JT. Editorial Commentary: Pneumococcal Vaccination in Adults: Do We Have to Recalculate Our Approach? Clin Infect Dis 2016; 62:1527-8. [PMID: 27105746 DOI: 10.1093/cid/ciw182] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Accepted: 03/17/2016] [Indexed: 11/14/2022] Open
Affiliation(s)
- David Greenberg
- Pediatric Infectious Disease Unit, Soroka University Medical Center Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Jian-Te Lee
- Department of Pediatrics, National Taiwan University Hospital, Yun-Lin Branch, Yunlin
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Pelton SI, Shea KM, Farkouh RA, Strutton DR, Braun S, Jacob C, Klok R, Gruen ES, Weycker D. Rates of pneumonia among children and adults with chronic medical conditions in Germany. BMC Infect Dis 2015; 15:470. [PMID: 26515134 PMCID: PMC4627378 DOI: 10.1186/s12879-015-1162-y] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2015] [Accepted: 09/30/2015] [Indexed: 11/10/2022] Open
Abstract
Background The objective of this study is to evaluate rates of all-cause pneumonia among “at-risk” and “high-risk” children and adults in Germany—in comparison with age-stratified healthy counterparts—during the period following the 2006 recommendation for universal immunization of infants with pneumococcal conjugate vaccine. Methods Retrospective cohort design and healthcare claims information for 3.4 M persons in Germany (2009–2012) were employed. Study population was stratified by age and risk profile (healthy, “at-risk” [with chronic medical conditions], and “high-risk” [immunocompromised]). At-risk and high-risk conditions, as well as episodes of all-cause pneumonia, were identified via diagnosis, procedure, and drug codes. Results and discussion Rates of all-cause pneumonia were 1.7 (95 % CI 1.7-1.8) to 2.5 (2.4-2.5) times higher among children and adults with at-risk conditions versus healthy counterparts, and 1.8 (1.8-1.9) to 4.1 (4.0-4.2) times higher among children and adults with high-risk conditions. Rates of all-cause pneumonia among at-risk persons increased in a graded and monotonic fashion with increasing numbers of conditions (i.e., risk stacking). Conclusions An increased risk for all-cause pneumonia in German children and adults with a spectrum of medical conditions persists in the era of widespread pneumococcal vaccination, and pneumonia risk in persons with ≥2 at-risk conditions is comparable or higher than those with high-risk conditions. Electronic supplementary material The online version of this article (doi:10.1186/s12879-015-1162-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Stephen I Pelton
- Boston University School of Public Health, Boston, MA, USA. .,Boston Medical Center, Boston, MA, USA. .,Maxwell Finland Laboratory for Infectious Diseases, 670 Albany Street, 6th Floor, Boston, MA, 02118, USA.
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Shigayeva A, Rudnick W, Green K, Chen DK, Demczuk W, Gold WL, Johnstone J, Kitai I, Krajden S, Lovinsky R, Muller M, Powis J, Rau N, Walmsley S, Tyrrell G, Bitnun A, McGeer A. Invasive Pneumococcal Disease Among Immunocompromised Persons: Implications for Vaccination Programs. Clin Infect Dis 2015; 62:139-47. [DOI: 10.1093/cid/civ803] [Citation(s) in RCA: 78] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2015] [Accepted: 07/28/2015] [Indexed: 12/31/2022] Open
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