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Saarela E, Renko M, Uhari M, Pokka T, Kauma H, Ruuska TS. Multiplex PCR for respiratory bacteria in acute care. APMIS 2024; 132:444-451. [PMID: 38482705 DOI: 10.1111/apm.13403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 03/04/2024] [Indexed: 05/09/2024]
Abstract
The purpose of the study was to evaluate the clinical utility of multiplex PCR for detecting bacterial respiratory pathogens in nasopharyngeal samples. Acutely ill adults in the emergency department with respiratory infection symptoms, fever, chest pain or poor general condition were enrolled for this cohort study. Samples were stored at -70 °C until being analysed with multiplex PCR for seven respiratory bacteria. Of the 912 patients enrolled, those with positive bacterial samples (n = 130, 14%) were significantly younger than those with a negative finding (55.5 years vs 62.2 years, p < 0.001), and their mean C-reactive protein (CRP) concentration was higher (110 mg/L vs 59 mg/L, p < 0.0001). Patients with a positive respiratory bacterial finding had a higher probability of pneumonia (35% vs 13%, p < 0.001) and a higher likelihood of receiving a prescription for antibiotics than those with a negative finding (79% vs 59%, p < 0.0001). Positive detection of Streptococcus pneumoniae was associated with a 4.5-fold risk of pneumonia in a multivariate model and detection of an atypical respiratory pathogen with a 9-fold risk. Bacterial PCR performed on nasopharyngeal samples appeared to offer a valuable addition to the diagnostics of infections in adults in acute care.
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Affiliation(s)
- Elina Saarela
- Research Unit of Biomedicine and Internal Medicine, University of Oulu and Medical Research Center Oulu, Oulu University Hospital, Oulu, Finland
| | - Marjo Renko
- Department of Pediatrics, University of Eastern Finland and Kuopio University Hospital, Kuopio, Finland
- Research Unit of Clinical Medicine, University of Oulu, Oulu, Finland
| | - Matti Uhari
- Research Unit of Clinical Medicine, University of Oulu, Oulu, Finland
| | - Tytti Pokka
- Research Unit of Clinical Medicine, University of Oulu, Oulu, Finland
- Research Service Unit, Oulu University Hospital, Oulu, Finland
| | - Heikki Kauma
- Research Unit of Biomedicine and Internal Medicine, University of Oulu and Medical Research Center Oulu, Oulu University Hospital, Oulu, Finland
| | - Terhi S Ruuska
- Research Unit of Clinical Medicine, University of Oulu, Oulu, Finland
- Department of Pediatrics and Adolescent Medicine, Oulu University Hospital, Oulu, Finland
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2
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Muacevic A, Adler JR, Cunha L, Cordeiro I, Baptista A. Invasive Pneumococcal Disease and COVID-19 Coinfection: A Series of Cases Admitted to an Intensive Care Unit. Cureus 2022; 14:e31876. [PMID: 36579230 PMCID: PMC9790083 DOI: 10.7759/cureus.31876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/24/2022] [Indexed: 11/26/2022] Open
Abstract
Pneumococcal infection is still a frequent disease. It can be classified as invasive when pneumococcus is isolated in a generally sterile fluid. Pneumonia is the most common infectious source of adult invasive pneumococcal disease (IPD), and several risk factors for IPD are well known. This case report presents three clinical cases of different manifestations of IPD. The two most severe cases had coinfection by SARS-CoV-2 at hospital admission.
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3
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Wood S, Harrison SE, Judd N, Bellis MA, Hughes K, Jones A. The impact of behavioural risk factors on communicable diseases: a systematic review of reviews. BMC Public Health 2021; 21:2110. [PMID: 34789209 PMCID: PMC8596356 DOI: 10.1186/s12889-021-12148-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 10/22/2021] [Indexed: 12/24/2022] Open
Abstract
Background The coronavirus (COVID-19) pandemic has highlighted that individuals with behavioural risk factors commonly associated with non-communicable diseases (NCDs), such as smoking, harmful alcohol use, obesity, and physical inactivity, are more likely to experience severe symptoms from COVID-19. These risk factors have been shown to increase the risk of NCDs, but less is known about their broader influence on communicable diseases. Taking a wide focus on a range of common communicable diseases, this review aimed to synthesise research examining the impact of behavioural risk factors commonly associated with NCDs on risks of contracting, or having more severe outcomes from, communicable diseases. Methods Literature searches identified systematic reviews and meta-analyses that examined the association between behavioural risk factors (alcohol, smoking, illicit drug use, physical inactivity, obesity and poor diet) and the contraction/severity of common communicable diseases, including infection or associated pathogens. An a priori, prospectively registered protocol was followed (PROSPERO; registration number CRD42020223890). Results Fifty-three systematic reviews were included, of which 36 were also meta-analyses. Reviews focused on: tuberculosis, human immunodeficiency virus, hepatitis C virus, hepatitis B virus, invasive bacterial diseases, pneumonia, influenza, and COVID-19. Twenty-one reviews examined the association between behavioural risk factors and communicable disease contraction and 35 examined their association with communicable disease outcomes (three examined their association with both contraction and outcomes). Fifty out of 53 reviews (94%) concluded that at least one of the behavioural risk factors studied increased the risk of contracting or experiencing worse health outcomes from a communicable disease. Across all reviews, effect sizes, where calculated, ranged from 0.83 to 8.22. Conclusions Behavioural risk factors play a significant role in the risk of contracting and experiencing more severe outcomes from communicable diseases. Prevention of communicable diseases is likely to be most successful if it involves the prevention of behavioural risk factors commonly associated with NCDs. These findings are important for understanding risks associated with communicable disease, and timely, given the COVID-19 pandemic and the need for improvements in future pandemic preparedness. Addressing behavioural risk factors should be an important part of work to build resilience against any emerging and future epidemics and pandemics. Supplementary Information The online version contains supplementary material available at 10.1186/s12889-021-12148-y.
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Affiliation(s)
- Sara Wood
- Policy and International Health, World Health Organization Collaborating Centre on Investment for Health and Well-being, Public Health Wales, Wrexham, UK
| | - Sophie E Harrison
- Public Health Collaborating Unit, School of Medical and Health Sciences, Bangor University, Wrexham, UK.,Institute for Applied Human Physiology, School of Human and Behavioural Sciences, Bangor University, Bangor, UK
| | - Natasha Judd
- Policy and International Health, World Health Organization Collaborating Centre on Investment for Health and Well-being, Public Health Wales, Wrexham, UK.,Public Health Collaborating Unit, School of Medical and Health Sciences, Bangor University, Wrexham, UK
| | - Mark A Bellis
- Policy and International Health, World Health Organization Collaborating Centre on Investment for Health and Well-being, Public Health Wales, Wrexham, UK. .,Public Health Collaborating Unit, School of Medical and Health Sciences, Bangor University, Wrexham, UK.
| | - Karen Hughes
- Policy and International Health, World Health Organization Collaborating Centre on Investment for Health and Well-being, Public Health Wales, Wrexham, UK.,Public Health Collaborating Unit, School of Medical and Health Sciences, Bangor University, Wrexham, UK
| | - Andrew Jones
- Health Protection and Screening Services, Public Health Wales, Cardiff, UK
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Mekraksakit P, Elmassry M, Leelaviwat N, Nugent K. Invasive pneumococcal disease confirmed in five different sites including Austrian syndrome in a male patient with methamphetamine abuse. BMJ Case Rep 2020; 13:13/12/e239718. [PMID: 33303512 DOI: 10.1136/bcr-2020-239718] [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] [Indexed: 11/04/2022] Open
Abstract
A 60-year-old man with no significant medical history was found unresponsive by his neighbour; he had neck stiffness on physical examination in the emergency department. He later developed acute hypoxic respiratory failure requiring endotracheal intubation. He is a binge drinker on weekends, and methamphetamine was detected in his urine. Contrast-enhanced CT of the chest, abdomen and pelvis revealed multifocal pneumonia, bilateral psoas abscesses and right infraspinatus muscle abscess. Blood, sputum and cerebrospinal fluid cultures grew Streptococcus pneumoniae Transthoracic echocardiography (TTE) revealed tricuspid endocarditis with mild valve insufficiency. He was initially treated with intravenous antibiotics and underwent incision and drainage of right psoas abscess. However, he still had recurrent fever and confusion. Repeat TTE showed larger vegetation, and he also developed septic emboli at the posterior basal right lower lobe pulmonary artery. The patient underwent tricuspid valve debridement and was finally discharged after completing 6 weeks of intravenous antibiotic treatment.
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Affiliation(s)
- Poemlarp Mekraksakit
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, Texas, USA
| | - Mohamed Elmassry
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, Texas, USA
| | - Natnicha Leelaviwat
- Department of Internal Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Kenneth Nugent
- Department of Internal Medicine, Division of Pulmonary and Critical Care Medicine, Texas Tech University Health Sciences Center, Lubbock, Texas, USA
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5
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Floeystad HK, Berild JD, Brandsaeter BJ, Vestrheim DF, Berild D, Holm AM. Gastrointestinal symptoms in invasive pneumococcal disease: a cohort study. BMC Infect Dis 2020; 20:479. [PMID: 32631331 PMCID: PMC7339559 DOI: 10.1186/s12879-020-05211-3] [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: 03/01/2020] [Accepted: 06/29/2020] [Indexed: 11/10/2022] Open
Abstract
Background The study aimed to assess whether gastrointestinal (GI) symptoms at admission are associated with increased short-term mortality in patients with invasive pneumococcal disease (IPD). Methods We included all patients with IPD at Aker University Hospital in Oslo, Norway, from 1993 to 2008. Clinical data were registered. Survival data were retrieved from official registries. We used Cox regression and Kaplan-Meier curve to compare mortality within 28 days of admission in patients with and without GI symptoms. Results Four hundred sixteen patients were included. Of these, 108 patients (26%) presented with GI symptoms, and 47 patients (11%) with GI symptoms only. Patients with GI symptoms were younger (p < 0.001) and had less cardiovascular disease (p < 0.001), pulmonary disease (p = 0.048), and cancer (p = 0.035) and received appropriate antibiotic treatment later. After adjusting for risk factors, we found an increased hazard ratio of 2.28 (95% CI 1.31–3.97) in patients presenting with GI symptoms. In patients with GI symptoms only there was an increased hazard ratio of 2.24 (95% CI 1.20–4.19) in univariate analysis, which increased to 4.20 (95% CI 2.11–8.39) after multivariate adjustment. Fewer patients with GI symptoms only received antibiotics upon admission. Conclusions A large proportion of IPD patients present with GI symptoms only or in combination with other symptoms. GI symptoms in IPD are associated with increased short-term mortality.
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Affiliation(s)
| | - Jacob Dag Berild
- Norwegian Institute of Public Health, Division of infection control and environmental health, Oslo, Norway
| | | | - Didrik Frimann Vestrheim
- Norwegian Institute of Public Health, Division of infection control and environmental health, Oslo, Norway
| | - Dag Berild
- Department of Infectious Disease, Oslo University Hospital, Oslo, Norway.,Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Are Martin Holm
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.,Department of Respiratory Medicine, Oslo University Hospital, Oslo, Norway
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6
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Decreasing case fatality rate following invasive pneumococcal disease, North East England, 2006-2016. Epidemiol Infect 2020; 147:e175. [PMID: 31063115 PMCID: PMC6518772 DOI: 10.1017/s0950268819000657] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Declining mortality following invasive pneumococcal disease (IPD) has been observed concurrent with a reduced incidence due to effective pneumococcal conjugate vaccines. However, with IPD now increasing due to serotype replacement, we undertook a statistical analysis to estimate the trend in all-cause 30-day case fatality rate (CFR) in the North East of England (NEE) following IPD. Clinical, microbiological and demographic data were obtained for all laboratory-confirmed IPD cases (April 2006–March 2016) and the adjusted association between CFR and epidemiological year estimated using logistic regression. Of the 2510 episodes of IPD included in the analysis, 486 died within 30 days of IPD (CFR 19%). Increasing age, male sex, a diagnosis of septicaemia, being in ⩾1 clinical risk groups, alcohol abuse and individual serotypes were independently associated with increased CFR. A significant decline in CFR over time was observed following adjustment for these significant predictors (adjusted odds ratio 0.93, 95% confidence interval 0.89–0.98; P = 0.003). A small but significant decline in 30-day all-cause CFR following IPD has been observed in the NEE. Nonetheless, certain population groups remain at increased risk of dying following IPD. Despite the introduction of effective vaccines, further strategies to reduce the ongoing burden of mortality from IPD are needed.
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7
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Bradley SF. Alcohol Use Disorder and Risk of Pneumonia: How Much Is Too Much, How Long Is Enough, and What Else Is Involved? JAMA Netw Open 2019; 2:e195179. [PMID: 31173114 DOI: 10.1001/jamanetworkopen.2019.5179] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Suzanne F Bradley
- Division of Infectious Diseases, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor
- Infectious Diseases Section, Medicine Service, Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, Michigan
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8
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Lewnard JA, Hanage WP. Making sense of differences in pneumococcal serotype replacement. THE LANCET. INFECTIOUS DISEASES 2019; 19:e213-e220. [DOI: 10.1016/s1473-3099(18)30660-1] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 10/19/2018] [Accepted: 10/24/2018] [Indexed: 10/27/2022]
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Outbreak of invasive Streptococcus pneumoniae among an inner-city population in Victoria, British Columbia, 2016-2017. ACTA ACUST UNITED AC 2018; 44:317-322. [PMID: 31517952 DOI: 10.14745/ccdr.v44i12a02] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Background Invasive pneumococcal disease (IPD) is a significant cause of morbidity and mortality; however, outbreaks of IPD are relatively rare. Homelessness and substance use are known risk factors for IPD and have been associated with several outbreaks in Canada, despite national recommendations for routine childhood and targeted adult pneumococcal vaccination. Objectives To describe the epidemiology and public health challenges related to an outbreak of novel serotype 4 IPD in a homeless and unstably housed population in Victoria, British Columbia during the autumn and winter of 2016-2017. Results Prospective, enhanced surveillance was initiated for laboratory confirmed cases reported to public health, including variables recording housing status and substance use. Thirty-three cases of serotype 4 IPD within the Victoria area were reported to public health between August 1, 2016 and September 1, 2017. Compared with other serotypes, these cases were more likely to be middle-aged, homeless or unstably housed, and to have a recent history of substance use. A targeted pneumococcal vaccination campaign was initiated in collaboration with external community organizations; however, these initiatives were challenged by incomplete data and staffing constraints. Conclusion This report illustrates an outbreak of serotype 4 IPD among an inner-city population with multiple risk factors, including homelessness, unstable housing and substance use. Given the challenges controlling the outbreak, outreach capacity and pneumococcal vaccination coverage is needed among this marginalized population.
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10
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Hope EC, Crump RE, Hollingsworth TD, Smieszek T, Robotham JV, Pouwels KB. Identifying English Practices that Are High Antibiotic Prescribers Accounting for Comorbidities and Other Legitimate Medical Reasons for Variation. EClinicalMedicine 2018; 6:36-41. [PMID: 30740597 PMCID: PMC6358038 DOI: 10.1016/j.eclinm.2018.12.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 11/01/2018] [Accepted: 12/03/2018] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Seeing one's practice as a high antibiotic prescriber compared to general practices with similar patient populations can be one of the best motivators for change. Current comparisons are based on age-sex weighting of the practice population for expected prescribing rates (STAR-PU). Here, we investigate whether there is a need to additionally account for further potentially legitimate medical reasons for higher antibiotic prescribing. METHODS Publicly available data from 7376 general practices in England between April 2014 and March 2015 were used. We built two different negative binomial regression models to compare observed versus expected antibiotic dispensing levels per practice: one including comorbidities as covariates and another with the addition of smoking prevalence and deprivation. We compared the ranking of practices in terms of items prescribed per STAR-PU according to i) conventional STAR-PU methodology, ii) observed vs expected prescribing levels using the comorbidity model, and iii) observed vs expected prescribing levels using the full model. FINDINGS The median number of antibiotic items prescribed per practice per STAR-PU was 1.09 (25th-75th percentile, 0.92-1.25). 1133 practices (76.8% of 1476) were consistently identified as being in the top 20% of high antibiotic prescribers. However, some practices that would be classified as high prescribers using the current STAR-PU methodology would not be classified as high prescribers if comorbidity was accounted for (n = 269, 18.2%) and if additionally smoking prevalence and deprivation were accounted for (n = 312, 21.1%). INTERPRETATION Current age-sex weighted comparisons of antibiotic prescribing rates in England are fair for many, but not all practices. This new metric that accounts for legitimate medical reasons for higher antibiotic prescribing may have more credibility among general practitioners and, thus, more likely to be acted upon. OUTSTANDING QUESTIONS Findings of this study indicate that the antibiotic prescribing metric by which practices are measured (and need to implement interventions determined) may be inadequate, and therefore raises the question of how they should be measured. Substantial variation between practices remains after accounting for comorbidities, deprivation and smoking. There is a need for a better understanding of why such variation remains and, more importantly, what can be done to reduce it. While antibiotics are more frequently indicated in patients with comorbidities, it is unclear to what extent antibiotic prescribing can be lowered among that patient population and how this could be achieved.
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Affiliation(s)
- Emma C. Hope
- Zeeman Institute, Mathematics Institute, University of Warwick, Coventry CV4 7AL, UK
| | - Ron E. Crump
- Zeeman Institute, School of Life Sciences, University of Warwick, Coventry CV4 7AL, UK
| | - T. Deirdre Hollingsworth
- Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, University of Oxford, Oxford, OX3 7LF, UK
| | - Timo Smieszek
- Modelling and Economics Unit, National Infection Service, Public Health England, London NW9 5EQ, UK
- MRC Centre for Outbreak Analysis and Modelling, Department of Infectious Disease Epidemiology, Imperial College School of Public Health, London W2 1PG, UK
| | - Julie V. Robotham
- Modelling and Economics Unit, National Infection Service, Public Health England, London NW9 5EQ, UK
| | - Koen B. Pouwels
- Modelling and Economics Unit, National Infection Service, Public Health England, London NW9 5EQ, UK
- Department of Health Sciences, University of Groningen, University Medical Center Groningen, 9713, GZ, Groningen, Netherlands
- Corresponding author at: Modelling and Economics Unit, National Infection Service, Public Health England, London NW9 5EQ, UK.
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Abstract
OBJECTIVE A systematic review and meta-analysis to estimate the magnitude of the association between alcohol consumption and the risk of community-acquired pneumonia (CAP) in adults was undertaken. DESIGN Systematic review and meta-analysis. METHODS Comprehensive searches of Medline, Embase and Web of Science were carried out to identify comparative studies of the association between alcohol intake and CAP between 1985 and 2017. Reference lists were also screened. A random-effects meta-analysis was used to estimate pooled effect sizes. A dose-response meta-analysis was also performed. RESULTS We found 17 papers eligible for inclusion in the review, of which 14 provided results which could be pooled. Meta-analysis of these 14 studies identified an 83% increased risk of CAP among people who consumed alcohol or in higher amounts, relative to those who consumed no or lower amounts of alcohol, respectively (relative risk=1.83, 95% CI 1.30 to 2.57). There was substantial between-study heterogeneity, which was attributable in part to differences in study continent, adjustment for confounders and pneumonia diagnosis (clinical vs death). Dose-response analysis found that for every 10-20 g higher alcohol intake per day, there was an 8% increase in the risk of CAP. CONCLUSIONS The findings suggest that alcohol consumption increases the risk of CAP. Therefore, strengthening policies to reduce alcohol intake would be likely to reduce the incidence of CAP.
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Affiliation(s)
- Evangelia Simou
- Division of Epidemiology and Public Health, UK Centre for Tobacco and Alcohol Studies, University of Nottingham, Nottingham, UK
| | - John Britton
- Division of Epidemiology and Public Health, UK Centre for Tobacco and Alcohol Studies, University of Nottingham, Nottingham, UK
| | - Jo Leonardi-Bee
- Division of Epidemiology and Public Health, UK Centre for Tobacco and Alcohol Studies, University of Nottingham, Nottingham, UK
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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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Rijkers GT, Yousif LI, Spoorenberg SM, van Overveld FJ. Triptych of the Hermit Saints: pneumococcal polysaccharide vaccines for the elderly. Risk Manag Healthc Policy 2018; 11:55-65. [PMID: 29636634 PMCID: PMC5881283 DOI: 10.2147/rmhp.s130405] [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] [Indexed: 12/13/2022] Open
Abstract
Pneumococcal pneumonia is a serious disease with considerable morbidity and mortality in the elderly. Despite adequate antibiotic treatment, the long-term mortality of pneumococcal pneumonia remains high. Preventive measures in the form of vaccination, therefore, are warranted. Twenty-three-valent polysaccharide vaccines have a broad coverage but limited efficacy. Pneumococcal conjugate vaccines have been shown in children to be able to prevent invasive and mucosal pneumococcal diseases. It should be realized that the serotype composition of current pneumococcal conjugate vaccines is not tailored for the elderly, and that replacement disease can occur. Yet, the current 13-valent conjugate vaccine has been shown to protect against infections with vaccine serotypes. Long-term mortality of pneumococcal pneumonia should be included in policy making about the introduction of these vaccines for the elderly.
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Affiliation(s)
- Ger T Rijkers
- Department of Science, University College Roosevelt, Middelburg, the Netherlands.,Department of Medical Microbiology and Immunology, St. Antonius Hospital, Nieuwegein, the Netherlands
| | - Laura Ie Yousif
- Department of Science, University College Roosevelt, Middelburg, the Netherlands
| | | | - Frans J van Overveld
- Department of Science, University College Roosevelt, Middelburg, the Netherlands
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14
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Abstract
BACKGROUND Bacterial meningitis is a significant burden of disease and mortality in all age groups worldwide despite the development of effective conjugated vaccines. The pathogenesis of bacterial meningitis is based on complex and incompletely understood host-pathogen interactions. Some of these are pathogen-specific, while some are shared between different bacteria. METHODS We searched the database PubMed to identify host risk factors for bacterial meningitis caused by the pathogens Streptococcus pneumoniae, Neisseria meningitidis and Haemophilus influenzae type b, because they are three most common causative bacteria beyond the neonatal period. RESULTS We describe a number of risk factors; including socioeconomic factors, age, genetic variation of the host and underlying medical conditions associated with increased susceptibility to invasive bacterial infections in both children and adults. CONCLUSIONS As conjugated vaccines are available for these infections, it is of utmost importance to identify high risk patients to be able to prevent invasive disease.
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Affiliation(s)
- Lene Fogt Lundbo
- a Department of Infectious Diseases , Copenhagen University Hospital , Hvidovre , Denmark.,b Clinical Research Centre , Copenhagen University Hospital , Hvidovre , Denmark.,c Faculty of Health and Medical Sciences , University of Copenhagen , København , Denmark
| | - Thomas Benfield
- a Department of Infectious Diseases , Copenhagen University Hospital , Hvidovre , Denmark.,b Clinical Research Centre , Copenhagen University Hospital , Hvidovre , Denmark.,c Faculty of Health and Medical Sciences , University of Copenhagen , København , Denmark
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15
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Feldman C, Anderson R, Rossouw T. HIV-related pneumococcal disease prevention in adults. Expert Rev Respir Med 2017; 11:181-199. [PMID: 28228053 DOI: 10.1080/17476348.2017.1289841] [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] [Indexed: 10/20/2022]
Abstract
INTRODUCTION HIV-infected persons are particularly susceptible to the development of severe pneumococcal disease, even in the setting of combination antiretroviral therapy (cART), due to slow, incomplete recovery of anti-pneumococcal host defenses. This risk is increased by avoidable aspects of lifestyle, particularly smoking, which intensify immunosuppression. Clearly, more effective preventive measures are needed to counter this threat. Areas covered: This is a detailed review of the published literature focusing on currently available strategies for prevention of pneumococcal infection in HIV-infected patients, including cotrimoxazole prophylaxis, cART, pneumococcal vaccination, and smoking cessation strategies. This is preceded by a consideration of the epidemiology, clinical presentation, risk factors, and outcome of pneumococcal disease. Expert commentary: Cotrimoxazole prophylaxis has been shown to reduce morbidity and mortality in HIV-infected patients, although there is inconsistent data on the preventive efficacy against pneumococcal infections. Some recent studies have documented unchanged incidences of IPD in adult patients in the cART era. With regard to pneumococcal vaccination, routine acceptance of the efficacy of the PCV13/PPV23 sequential administration prime-boost strategy awaits the outcome of clinical trials in those with HIV infection. Smoking cessation, and discontinuation of excessive alcohol consumption and intravenous drug abuse, are priority strategies to prevent severe pneumococcal infection.
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Affiliation(s)
- Charles Feldman
- a Charlotte Maxeke Johannesburg Academic Hospital and Faculty of Health Sciences , University of the Witwatersrand Medical School , Johannesburg , South Africa
| | - Ronald Anderson
- b Institute for Cellular and Molecular Medicine, Department of Immunology, Faculty of Health Sciences , University of Pretoria , Pretoria , South Africa
| | - Theresa Rossouw
- b Institute for Cellular and Molecular Medicine, Department of Immunology, Faculty of Health Sciences , University of Pretoria , Pretoria , South Africa
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Coeliac disease and invasive pneumococcal disease: a population-based cohort study. Epidemiol Infect 2017; 145:1203-1209. [DOI: 10.1017/s0950268816003204] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
SUMMARYSevere infections are recognized complications of coeliac disease (CD). In the present study we aimed to examine whether individuals with CD are at increased risk of invasive pneumococcal disease (IPD). To do so, we performed a population-based cohort study including 29 012 individuals with biopsy-proven CD identified through biopsy reports from all pathology departments in Sweden. Each individual with CD was matched with up to five controls (n = 144 257). IPD events were identified through regional and national microbiological databases, including the National Surveillance System for Infectious Diseases. We used Cox regression analyses to estimate hazard ratios (HRs) for diagnosed IPD. A total of 207 individuals had a record of IPD whereas 45/29 012 had CD (0·15%) and 162/144 257 were controls (0·11%). This corresponded to a 46% increased risk for IPD [HR 1·46, 95% confidence interval (CI) 1·05–2·03]. The risk estimate was similar after adjustment for socioeconomic status, educational level and comorbidities, but then failed to attain statistical significance (adjusted HR 1·40, 95% CI 0·99–1·97). Nonetheless, our study shows a trend towards an increased risk for IPD in CD patients. The findings support results seen in earlier research and taking that into consideration individuals with CD may be considered for pneumococcal vaccination.
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Floeystad HK, Holm A, Sandvik L, Vestrheim DF, Brandsaeter B, Berild D. Increased long-term mortality after survival of invasive pneumococcal disease: a population-based study. Infect Dis (Lond) 2017; 49:365-372. [DOI: 10.1080/23744235.2016.1271997] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Affiliation(s)
- Hans Kristian Floeystad
- Department of Infectious Disease, Oslo University Hospital, Oslo, Norway
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Are Holm
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
- Department of Respiratory Medicine, Oslo University Hospital, Oslo, Norway
| | - Leiv Sandvik
- Faculty of Odontology, University of Oslo, Oslo, Norway
- Oslo Group of Biostatistics and Epidemiology, Oslo University Hospital, Oslo, Norway
| | - Didrik Frimann Vestrheim
- Department of Infection Control and Environmental Health, Norwegian Institute of Public Health, Oslo, Norway
| | | | - Dag Berild
- Department of Infectious Disease, Oslo University Hospital, Oslo, Norway
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
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Marcus JL, Baxter R, Leyden WA, Muthulingam D, Yee A, Horberg MA, Klein DB, Towner WJ, Chao CR, Quesenberry CP, Silverberg MJ. Invasive Pneumococcal Disease Among HIV-Infected and HIV-Uninfected Adults in a Large Integrated Healthcare System. AIDS Patient Care STDS 2016; 30:463-470. [PMID: 27749111 PMCID: PMC6445197 DOI: 10.1089/apc.2016.0165] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
It is unclear whether HIV-infected individuals remain at higher risk of invasive pneumococcal disease (IPD) compared with HIV-uninfected individuals. We conducted a cohort study of HIV-infected and demographically matched HIV-uninfected adults within Kaiser Permanente Northern California during the period 1996-2011. We used Poisson models to obtain rate ratios (RRs) for incident IPD associated with HIV infection and other risk factors. Among 13,079 HIV-infected and 137,643 HIV-uninfected adults, the IPD rate per 100,000 person-years was 160 (n = 109 events) for HIV-infected and 8 (n = 75 events) for HIV-uninfected subjects, with an adjusted RR of 13.0 [95% confidence interval (CI): 9.1-18.7]. For HIV-infected individuals, IPD incidence per 100,000 person-years decreased by 71% during study follow-up, from 305 in 1996-1999 to 88 in 2010-2011 (p < 0.001), with an adjusted RR of 6.6 (95% CI: 2.7-16.1) compared with HIV-uninfected subjects in 2010-2011. Risk factors for IPD among HIV-infected individuals included black compared with white race/ethnicity, smoking, cancer, and higher HIV RNA levels. The 23-valent pneumococcal polysaccharide vaccination was not associated with a reduced risk of IPD in HIV-infected or HIV-uninfected individuals. Among HIV-infected IPD cases, the most common serotype was 19A (33%), and 59% of serotypes were covered by the 13-valent pneumococcal conjugate vaccine (PCV13). Despite a dramatic decline in IPD incidence for HIV-infected adults since 1996, IPD rates were nearly sevenfold higher compared with HIV-uninfected adults in recent years, even after adjustment for risk factors. Timely antiretroviral therapy initiation, risk reduction strategies, and recent guidelines recommending PCV13 use may further reduce IPD incidence among HIV patients.
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Affiliation(s)
- Julia L. Marcus
- Division of Research, Kaiser Permanente Northern California, Oakland, California
| | - Roger Baxter
- Division of Research, Kaiser Permanente Northern California, Oakland, California
| | - Wendy A. Leyden
- Division of Research, Kaiser Permanente Northern California, Oakland, California
| | | | - Arnold Yee
- Division of Research, Kaiser Permanente Northern California, Oakland, California
| | - Michael A. Horberg
- Kaiser Permanente Mid-Atlantic States, Mid-Atlantic Permanente Research Institute, Rockville, Maryland
| | - Daniel B. Klein
- Kaiser Permanente Northern California, San Leandro Medical Center, San Leandro, California
| | - William J. Towner
- Kaiser Permanente Southern California, Los Angeles Medical Center, Los Angeles, California
| | - Chun R. Chao
- Department of Research and Evaluation, Kaiser Permanente Southern California, Pasadena, California
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Berical AC, Harris D, Dela Cruz CS, Possick JD. Pneumococcal Vaccination Strategies. An Update and Perspective. Ann Am Thorac Soc 2016; 13:933-44. [PMID: 27088424 PMCID: PMC5461988 DOI: 10.1513/annalsats.201511-778fr] [Citation(s) in RCA: 96] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2015] [Accepted: 02/23/2016] [Indexed: 11/20/2022] Open
Abstract
Streptococcus pneumoniae is an important global pathogen that causes a wide range of clinical disease in children and adults. Pneumococcal pneumonia is by far the common presentation of noninvasive and invasive pneumococcal disease and affects the young, the elderly, and the immunocompromised disproportionately. Patients with chronic pulmonary diseases are also at higher risk for pneumococcal infections. Substantial progress over the century has been made in the understanding of pneumococcal immunobiology and the prevention of invasive pneumococcal disease through vaccination. Currently, two pneumococcal vaccines are available for individuals at risk of pneumococcal disease: the 23-valent pneumococcal polysaccharide vaccine (PPV23) and the 13-valent pneumococcal protein-conjugate vaccine (PCV13). The goal of pneumococcal vaccination is to stimulate effective antipneumococcal antibody and mucosal immunity response and immunological memory. Vaccination of infants and young children with pneumococcal conjugate vaccine has led to significant decrease in nasal carriage rates and pneumococcal disease in all age groups. Recent pneumococcal vaccine indication and schedule recommendations on the basis of age and risk factors are outlined in this Focused Review. As new pneumococcal vaccine recommendations are being followed, continued efforts are needed to address the vaccine efficacy in the waning immunity of the ever-aging population, the implementation of vaccines using two different vaccines under very specific schedules and their real world clinical and cost effectiveness, and the development of next generation pneumococcal vaccines.
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Affiliation(s)
- Andrew C Berical
- Section of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut
| | - Drew Harris
- Section of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut
| | - Charles S Dela Cruz
- Section of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut
| | - Jennifer D Possick
- Section of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut
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