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1.
Eur J Public Health ; 27(3): 538-547, 2017 06 01.
Artículo en Inglés | MEDLINE | ID: mdl-28444236

RESUMEN

Background: Lyme borreliosis (LB) is the most frequently reported tick-borne infection in Europe and North America. The aim of this study was to estimate the cost-of-illness of LB in the Netherlands. We used available incidence estimates from 2010 for tick bite consultations and three symptomatic LB outcomes: erythema migrans (EM), disseminated LB and Lyme-related persisting symptoms. The cost was estimated using these incidences and the average cost per patient as derived from a patient questionnaire. We estimated the cost from a societal perspective, including healthcare cost, patient cost and production loss, using the friction cost method and a 4% annual discount rate. Tick bites and LB in 2010 led to a societal cost of €19.3 million (95% CI 15.6-23.4; 16.6 million population) for the Netherlands. Healthcare cost and production loss each constituted 48% of the total cost (€9.3 and €9.2 million/year), and patient cost 4% (€0.8 million/year). Of the total cost, 37% was related to disseminated LB, followed by 27% for persisting symptoms, 22% for tick bites and 14% for EM. Per outcome, for an individual case the mean cost of disseminated LB and Lyme-related persisting symptoms was both around €5700; for EM and GP consultations for tick bites this was €122 and €53. As an alternative to the friction cost method, the human capital method resulted in a total cost of €23.5 million/year. LB leads to a substantial societal cost. Further research should therefore focus on additional preventive interventions.


Asunto(s)
Costo de Enfermedad , Costos de la Atención en Salud/estadística & datos numéricos , Enfermedad de Lyme/economía , Humanos , Incidencia , Enfermedad de Lyme/epidemiología , Países Bajos/epidemiología , Encuestas y Cuestionarios , Mordeduras de Garrapatas/economía , Mordeduras de Garrapatas/epidemiología
2.
Sex Transm Dis ; 43(9): 542-8, 2016 09.
Artículo en Inglés | MEDLINE | ID: mdl-27513379

RESUMEN

BACKGROUND: In response to the rising threat of resistance to first-line antibiotics for gonorrhea, international guidelines recommend dual antimicrobial therapy. However, some countries continue to recommend monotherapy. We assess the cost-effectiveness of dual therapy with ceftriaxone and azithromycin compared with monotherapy with ceftriaxone, for control of gonorrhea among men who have sex with men in the Netherlands. METHODS: We developed a transmission model and calculated the numbers of new gonorrhea infections, consultations at health care specialists, tests, and antibiotic doses. With these numbers, we calculated costs and quality-adjusted life-years (QALY) with each treatment; and the incremental cost-effectiveness ratio (ICER) of dual therapy compared to monotherapy. The impact of gonorrhea on human immunodeficiency virus transmission was not included in the model. RESULTS: In the absence of initial resistance, dual therapy can delay the spread of ceftriaxone resistance by at least 15 years, compared to monotherapy. In the beginning, when there is no resistance, dual therapy results in high additional costs, without any QALY gains. When resistance spreads over time, the additional costs of dual therapy decline, the gained QALYs increase, the ICER drops off and, after 50 years, falls below &OV0556;20,000 per QALY gained. If azithromycin resistance is initially prevalent, resistance to the first-line treatment rises almost equally fast with both treatment strategies and the ICER remains extremely high. CONCLUSIONS: Compared with ceftriaxone monotherapy, dual therapy with ceftriaxone and azithromycin can considerably delay the spread of ceftriaxone resistance, but may only be cost-effective in the long run and in the absence of initial resistance.


Asunto(s)
Antibacterianos/economía , Azitromicina/economía , Ceftriaxona/economía , Gonorrea/tratamiento farmacológico , Minorías Sexuales y de Género/estadística & datos numéricos , Adulto , Antibacterianos/administración & dosificación , Azitromicina/administración & dosificación , Ceftriaxona/administración & dosificación , Análisis Costo-Beneficio , Farmacorresistencia Bacteriana , Quimioterapia Combinada , Gonorrea/economía , Gonorrea/microbiología , Humanos , Masculino , Neisseria gonorrhoeae/efectos de los fármacos , Países Bajos , Años de Vida Ajustados por Calidad de Vida , Resultado del Tratamiento
3.
Emerg Infect Dis ; 21(11): 2067-9, 2015 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-26488199

RESUMEN

In 2013 and 2014, the Netherlands experienced a measles outbreak in orthodox Protestant communities with low measles-mumps-rubella vaccination coverage. Assessing total outbreak costs is needed for public health outbreak preparedness and control. Total costs of this outbreak were an estimated $4.7 million.


Asunto(s)
Brotes de Enfermedades/economía , Vacuna contra el Sarampión-Parotiditis-Rubéola/uso terapéutico , Sarampión/economía , Salud Pública/economía , Vacunación/tendencias , Humanos , Sarampión/epidemiología , Países Bajos/epidemiología , Salud Pública/tendencias , Vacunación/economía
4.
Eur J Public Health ; 25(6): 1071-8, 2015 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-26082446

RESUMEN

BACKGROUND: Lyme borreliosis (LB) is the most commonly reported tick-borne infection in Europe and North America. In the last 15 years a 3-fold increase was observed in general practitioner consultations for LB in the Netherlands. To support prioritization of prevention and control efforts for LB, we estimated its burden expressed in Disability-Adjusted Life Years (DALYs). METHODS: We used available incidence estimates for three LB outcomes: (i) erythema migrans (EM), (ii) disseminated LB and (iii) Lyme-related persisting symptoms. To generate DALYs, disability weights and duration per outcome were derived using a patient questionnaire including health-related quality of life as measured by the EQ-5D. RESULTS: We estimated the total LB burden for the Netherlands in 2010 at 10.55 DALYs per 100,000 population (95% CI: 8.80-12.43); i.e. 0.60 DALYs for EM, 0.86 DALYs for disseminated LB and 9.09 DALYs for Lyme-related persisting symptoms. Per patient this was 0.005 DALYs for EM, 0.113 for disseminated LB and 1.661 DALYs for a patient with Lyme-related persisting symptoms. In a sensitivity analysis the total LB burden ranged from 7.58 to 16.93 DALYs per 100,000 population. CONCLUSIONS: LB causes a substantial disease burden in the Netherlands. The vast majority of this burden is caused by patients with Lyme-related persisting symptoms. EM and disseminated Lyme have a more modest impact. Further research should focus on the mechanisms that trigger development of these persisting symptoms that patients and their physicians attribute to LB.


Asunto(s)
Personas con Discapacidad/estadística & datos numéricos , Estado de Salud , Enfermedad de Lyme/fisiopatología , Años de Vida Ajustados por Calidad de Vida , Costo de Enfermedad , Personas con Discapacidad/psicología , Femenino , Humanos , Incidencia , Masculino , Países Bajos/epidemiología , Calidad de Vida , Índice de Severidad de la Enfermedad , Factores de Tiempo
5.
BMC Infect Dis ; 13: 436, 2013 Sep 18.
Artículo en Inglés | MEDLINE | ID: mdl-24047261

RESUMEN

BACKGROUND: Recent studies have found high prevalences of asymptomatic rectal chlamydia among HIV-infected men who have sex with men (MSM). Chlamydia could increase the infectivity of HIV and the susceptibility to HIV infection. We investigate the role of chlamydia in the spread of HIV among MSM and the possible impact of routine chlamydia screening among HIV-infected MSM at HIV treatment centres on the incidence of chlamydia and HIV in the overall MSM population. METHODS: A mathematical model was developed to describe the transmission of HIV and chlamydia among MSM. Parameters relating to sexual behaviour were estimated from data from the Amsterdam Cohort Study among MSM. Uncertainty analysis was carried out for model parameters without confident estimates. The effects of different screening strategies for chlamydia were investigated. RESULTS: Among all new HIV infections in MSM, 15% can be attributed to chlamydia infection. Introduction of routine chlamydia screening every six months among HIV-infected MSM during regular HIV consultations can reduce the incidence of both infections among MSM: after 10 years, the relative percentage reduction in chlamydia incidence would be 15% and in HIV incidence 4%, compared to the current situation. Chlamydia screening is more effective in reducing HIV incidence with more frequent screening and with higher participation of the most risky MSM in the screening program. CONCLUSIONS: Chlamydia infection could contribute to the transmission of HIV among MSM. Preventive measures reducing chlamydia prevalence, such as routine chlamydia screening of HIV-infected MSM, can result in a decline in the incidence of chlamydia and HIV.


Asunto(s)
Infecciones por Chlamydia/complicaciones , Infecciones por Chlamydia/diagnóstico , Chlamydia/aislamiento & purificación , Infecciones por VIH/transmisión , Adulto , Chlamydia/fisiología , Infecciones por Chlamydia/microbiología , Infecciones por VIH/etiología , Infecciones por VIH/virología , Homosexualidad Masculina/estadística & datos numéricos , Humanos , Masculino , Tamizaje Masivo , Modelos Teóricos
6.
Eur J Public Health ; 21(2): 171-7, 2011 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-20430804

RESUMEN

BACKGROUND: Revising existing health related-quality of life (HRQoL) instruments used among adults with the intention of making them child-friendly enables the collection of similar HRQoL data in children, adolescents and adults. The aim of this article is to describe and discuss the development process of a Swedish child-friendly pilot version of the EQ-5D instrument. METHODS: We modified the existing Swedish EQ-5D adult version to make it child-friendly. Within a multidisciplinary research group, we investigated linguistic and interpretation issues by performing face-to-face and group interviews with children and adolescents aged 6-17 years. RESULTS: The first modification of the adult language was to change single words into words intelligible to and used by children [e.g. changing 'depression' (depression) into 'ledsen' (sad)]. The second related to whole expressions (using verb-form in the headings of dimensions). CONCLUSION: The advantage of being able to collect much the same data from children and adolescents, for example in population surveys covering all ages and in chronic childhood diseases, as for adults might outweigh possible disadvantages of modifying existing HRQoL instruments. The Swedish child-friendly EQ-5D pilot version resulting from this development process is further tested for feasibility and construct validity in a clinical interview study; initial results are reported in a subsequent paper.


Asunto(s)
Evaluación de la Discapacidad , Calidad de Vida , Perfil de Impacto de Enfermedad , Encuestas y Cuestionarios , Adolescente , Adulto , Niño , Femenino , Estado de Salud , Humanos , Lenguaje , Masculino , Proyectos Piloto , Suecia
7.
Health Econ ; 19(5): 518-31, 2010 May.
Artículo en Inglés | MEDLINE | ID: mdl-19382106

RESUMEN

Conventional (static) models used in health economics implicitly assume that the probability of disease exposure is constant over time and unaffected by interventions. For transmissible infectious diseases this is not realistic and another class of models is required, so-called dynamic models. This study aims to examine the differences between one dynamic and one static model, estimating the effects of therapeutic treatment with antiviral (AV) drugs during an influenza pandemic in the Netherlands. Specifically, we focus on the sensitivity of the cost-effectiveness ratios to model choice, to the assumed drug coverage, and to the value of several epidemiological factors. Therapeutic use of AV-drugs is cost-effective compared with non-intervention, irrespective of which model approach is chosen. The findings further show that: (1) the cost-effectiveness ratio according to the static model is insensitive to the size of a pandemic, whereas the ratio according to the dynamic model increases with the size of a pandemic; (2) according to the dynamic model, the cost per infection and the life-years gained per treatment are not constant but depend on the proportion of cases that are treated; and (3) the age-specific clinical attack rates affect the sensitivity of cost-effectiveness ratio to model choice.


Asunto(s)
Antivirales/economía , Gripe Humana/tratamiento farmacológico , Gripe Humana/economía , Modelos Econométricos , Oseltamivir/economía , Antivirales/uso terapéutico , Análisis Costo-Beneficio , Árboles de Decisión , Brotes de Enfermedades/economía , Brotes de Enfermedades/prevención & control , Transmisión de Enfermedad Infecciosa/prevención & control , Humanos , Gripe Humana/epidemiología , Gripe Humana/transmisión , Países Bajos/epidemiología , Oseltamivir/uso terapéutico
8.
Health Econ ; 19(10): 1240-54, 2010 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-19816857

RESUMEN

Real options analysis is a promising approach to model investment under uncertainty. We employ this approach to value stockpiling of antiviral drugs as a precautionary measure against a possible influenza pandemic. Modifications of the real options approach to include risk attitude and deviations from expected utility are presented. We show that risk aversion counteracts the tendency to delay investment for this case of precautionary investment, which is in contrast to earlier applications of risk aversion to real options analysis. Moreover, we provide a numerical example using real world data and discuss the implications of real options analysis for health policy. Suggestions for further extensions of the model and a comparison with the expected value of information analysis are put forward.


Asunto(s)
Antivirales/economía , Antivirales/provisión & distribución , Gripe Humana/economía , Modelos Económicos , Pandemias/economía , Antivirales/uso terapéutico , Costos y Análisis de Costo , Servicios de Salud/economía , Servicios de Salud/estadística & datos numéricos , Humanos , Gripe Humana/tratamiento farmacológico , Medición de Riesgo , Factores de Tiempo , Incertidumbre
9.
Expert Rev Pharmacoecon Outcomes Res ; 20(4): 331-342, 2020 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-32552002

RESUMEN

INTRODUCTION: Preference-based instruments measuring health status express the value of specific health states in a single number. One method used is time trade-off (TTO). Health-status values are key elements in calculating quality-adjusted life years (QALYs) and are pertinent for resource allocation. Since they are used in economic evaluations of healthcare, searching for a theoretical foundation of TTO in economics is justified. AREA COVERED: This paper provides an overview of TTO, including its relation to economic theory, and discusses biases and distortions, compiled from recent and older research. Inconsistencies between TTO and random utility theory were detected; The TTO is confounded by time preferences and by respondents' life expectancies. TTO is cognitively challenging, therefore guidance during the interviews is needed, producing interview effects. TTO does not measure one thing at a time, nor are the values independent of other states that are being valued in the same task. That is, TTO does not exhibit theoretical measurement properties such as unidimensionality and the invariance principle. EXPERT OPINION: We conclude that the TTO may be a pragmatic method of eliciting health state values, but the limitations in regard to measurement theory and practical elicitation problems makes it prone to inconsistencies and arbitrariness.


Asunto(s)
Atención a la Salud/economía , Estado de Salud , Años de Vida Ajustados por Calidad de Vida , Humanos , Esperanza de Vida , Prioridad del Paciente , Proyectos de Investigación , Factores de Tiempo
10.
Epidemiology ; 20(4): 562-8, 2009 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-19295437

RESUMEN

BACKGROUND: BCG vaccine protects against the severe forms of tuberculosis (TB) in children. Several low-prevalence countries are reviewing their policy, usually shifting from universal vaccination to vaccination of infants in high-risk groups only. We combined an epidemiologic analysis with a cost-effectiveness analysis to evaluate the cost-effectiveness of targeted strategies. METHODS: We fitted a static model to the data to estimate vaccine efficacy and risk of disease. We applied our method to the Dutch situation, analyzing severe TB cases in high-risk group children age 0-5, between 1996 and 2003. We considered the current strategy targeting immigrant children from high-incidence countries, and a proposed strategy additionally targeting children from 3 lower-incidence, but higher-immigration, countries. RESULTS: In the absence of vaccination, the annual risk of developing severe TB for a child in the current target group is 3/100,000, while BCG vaccination reduces this risk by 73%. Therefore about 9000 children would need to be vaccinated to prevent 1 case. Vaccinating children from high-incidence countries would then cost about Euro 4,500 per discounted disability-adjusted life year averted. In the extended target group, the risk of disease is somewhat lower with a similar vaccine effectiveness, so costs are raised. CONCLUSIONS: The current Dutch BCG strategy, as well as the proposed inclusion of immigrant children from Turkey, Surinam and former Yugoslavia, is on average cost-effective. However, the low number of both vaccinated and unvaccinated severe TB cases leads to broad confidence intervals on vaccine efficacy, highlighting the difficulty associated with decision-making in low-prevalence settings.


Asunto(s)
Vacuna BCG/uso terapéutico , Programas de Inmunización/economía , Índice de Severidad de la Enfermedad , Tuberculosis/prevención & control , Preescolar , Análisis Costo-Beneficio , Humanos , Programas de Inmunización/métodos , Programas de Inmunización/organización & administración , Lactante , Recién Nacido , Países Bajos/epidemiología , Tuberculosis/epidemiología , Tuberculosis/fisiopatología
11.
Eur J Public Health ; 19(5): 516-20, 2009 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-19692550

RESUMEN

BACKGROUND: The threat of an influenza pandemic has led to stockpiling of antiviral drugs in order to mitigate a plausible outbreak. If the stockpile would be used in relation to the recent pandemic alert, an investment decision about renewing the stock for a possible subsequent pandemic is essential. The decision should include cost-effectiveness considerations. METHODS: We constructed a cost-effectiveness analysis in the Dutch context, explicitly including risk of an outbreak. Outcomes from a dynamic transmission model, comparing an intervention with a non-intervention scenario, were input in our health economic calculations. RESULTS: Stockpiling was cost-effective from the health-care perspective if the actual risk is 37% for 30 years. If less than 60% of the population would take the antiviral drugs or the attack rate is about 50%, the investment would not be cost-effective from this perspective. CONCLUSION: Risk perception, realistic coverage among population and size of a pandemic are crucial parameters and highly decisive for the investment decision.


Asunto(s)
Antivirales/economía , Antivirales/provisión & distribución , Gripe Humana/tratamiento farmacológico , Gripe Humana/economía , Antivirales/uso terapéutico , Análisis Costo-Beneficio , Brotes de Enfermedades , Humanos , Gripe Humana/epidemiología , Modelos Teóricos , Países Bajos , Oseltamivir/economía , Oseltamivir/provisión & distribución , Oseltamivir/uso terapéutico , Medición de Riesgo
12.
Health Policy ; 122(2): 198-203, 2018 02.
Artículo en Inglés | MEDLINE | ID: mdl-29246657

RESUMEN

BACKGROUND: Due to rising costs caused by increasing demand for sexually transmitted infection (STI) care, the Dutch government changed the funding of STI clinics. In 2015, a more restrictive testing policy was introduced with syphilis and HIV tests only on indication for younger, heterosexual clients. We evaluated intended savings and missed syphilis and/or HIV infections and explored efficiency of possible test policies. METHODS: Using surveillance data from 2011 to 2013 with extensive testing for all, we estimated effects of restrictive testing on test costs, number of infections missed, costs per Quality Adjusted Life Year (QALY) lost, and calculated the net monetary benefit from a government perspective. RESULTS: The 2015 policy led to estimated savings of €1.1 million, while missing approximately three HIV infections and seven syphilis infections annually. Savings were €435,000/QALY lost. If testing second-generation immigrants for syphilis and HIV, savings rose to €525,000/QALY lost. Offering an HIV test when diagnosed with chlamydia or gonorrhoea savings were €568,000/QALY lost. In a sensitivity analysis, the willingness-to-pay threshold had the highest impact on results. CONCLUSIONS: The 2015 testing policy resulted in a modest decline of detected HIV and syphilis infections, generating substantial savings. Syphilis and HIV tests for both first- and second-generation immigrants and an HIV test in case of positive chlamydia or gonorrhoea diagnosis could reduce missed infections in a cost-effective way.


Asunto(s)
Heterosexualidad , Tamizaje Masivo/economía , Años de Vida Ajustados por Calidad de Vida , Enfermedades de Transmisión Sexual/economía , Adulto , Femenino , Programas de Gobierno , Humanos , Masculino , Países Bajos , Enfermedades de Transmisión Sexual/diagnóstico
13.
Expert Rev Vaccines ; 16(4): 361-375, 2017 04.
Artículo en Inglés | MEDLINE | ID: mdl-27807989

RESUMEN

INTRODUCTION: Many economic evaluations of HPV vaccination have been published, but most have focused on the prevention of cervical disease as a primary health outcome. The cost-effectiveness of vaccination is likely to be underestimated if not all HPV-associated diseases are taken into account. In this review, we assess the influence of non-cervical HPV-associated diseases on the incremental cost-effectiveness ratio (ICER) of preadolescent HPV vaccination. Areas covered: We systematically searched the literature and identified 18 studies that included non-cervical diseases in the estimates of cost-effectiveness of HPV-vaccination. When taking other HPV-related diseases into account compared to not including such other diseases, the mean ICERs were 2.85 times more favorable for girls only vaccination and 3.89 times for gender neutral vaccination. Expert commentary: Including non-cervical diseases in economic evaluations of HPV vaccination programs makes it more likely that the ICER falls beneath accepted cost-effectiveness thresholds and therefore increases the scope for gender neutral vaccination.


Asunto(s)
Infecciones por Papillomavirus/prevención & control , Vacunas contra Papillomavirus/economía , Análisis Costo-Beneficio , Economía Farmacéutica , Humanos , Neoplasias/economía , Neoplasias/prevención & control , Neoplasias/virología , Papillomaviridae/inmunología , Infecciones por Papillomavirus/economía , Infecciones por Papillomavirus/virología , Vacunas contra Papillomavirus/uso terapéutico , Vacunación/economía , Vacunación/métodos
14.
EBioMedicine ; 2(10): 1494-9, 2015 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-26629544

RESUMEN

INTRODUCTION: Varicella zoster virus (VZV) is the etiological agent of varicella and herpes zoster (HZ). It has been hypothesised that immune boosting of latently infected persons by contact with varicella reduces the probability of HZ. If true, universal varicella vaccination may increase HZ incidence due to reduced VZV circulation. To inform decision-making, we conduct cost-effectiveness analyses of varicella vaccination, including effects on HZ. METHODS: Effects of varicella vaccination are simulated with a dynamic transmission model, parameterised with Dutch VZV seroprevalence and HZ incidence data, and linked to an economic model. We consider vaccination scenarios that differ by whether or not they include immune boosting, and reactivation of vaccine virus. RESULTS: Varicella incidence decreases after introduction of vaccination, while HZ incidence may increase or decrease depending on whether or not immune boosting is present. Without immune boosting, vaccination is expected to be cost-effective or even cost-saving. With immune boosting, vaccination at 95% coverage is not expected to be cost-effective, and may even cause net health losses. CONCLUSIONS: Cost-effectiveness of varicella vaccination depends strongly on the impact on HZ and the economic time horizon. Our findings reveal ethical dilemmas as varicella vaccination may result in unequal distribution of health effects between generations.


Asunto(s)
Vacuna contra la Varicela/economía , Vacuna contra la Varicela/inmunología , Varicela/prevención & control , Análisis Costo-Beneficio , Herpes Zóster/epidemiología , Vacunación/economía , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Varicela/epidemiología , Varicela/transmisión , Vacuna contra la Varicela/efectos adversos , Niño , Preescolar , Herpes Zóster/prevención & control , Herpes Zóster/transmisión , Herpesvirus Humano 3/inmunología , Humanos , Incidencia , Lactante , Recién Nacido , Persona de Mediana Edad , Modelos Teóricos , Países Bajos/epidemiología , Estudios Seroepidemiológicos , Adulto Joven
15.
PLoS One ; 9(8): e104940, 2014.
Artículo en Inglés | MEDLINE | ID: mdl-25141226

RESUMEN

BACKGROUND: Gastrointestinal and respiratory diseases are major causes of morbidity for young children, particularly for those children attending child day care centers (DCCs). Although both diseases are presumed to cause considerable societal costs for care and treatment of illness, the extent of these costs, and the difference of these costs between children that do and do not attend such centers, is largely unknown. OBJECTIVE: Estimate the societal costs for care and treatment of episodes of gastroenteritis (GE) and influenza-like illness (ILI) experienced by Dutch children that attend a DCC, compared to children that do not attend a DCC. METHODS: A web-based monthly survey was conducted among households with children aged 0-48 months from October 2012 to October 2013. Households filled-in a questionnaire on the incidence of GE and ILI episodes experienced by their child during the past 4 weeks, on the costs related to care and treatment of these episodes, and on DCC arrangements. Costs and incidence were adjusted for socioeconomic characteristics including education level, nationality and monthly income of parents, number of children in the household, gender and age of the child and month of survey conduct. RESULTS: Children attending a DCC experienced higher rates of GE (aIRR 1.4 [95%CI: 1.2-1.9]) and ILI (aIRR: 1.4 [95%CI: 1.2-1.6]) compared to children not attending a DCC. The societal costs for care and treatment of an episode of GE and ILI experienced by a DCC-attending child were estimated at €215.45 [€115.69-€315.02] and €196.32 [€161.58-€232.74] respectively, twice as high as for a non-DCC-attending child. The DCC-attributable economic burden of GE and ILI for the Netherlands was estimated at €25 million and €72 million per year. CONCLUSIONS: Although children attending a DCC experience only slightly higher rates of GE and ILI compared to children not attending a DCC, the costs involved per episode are substantially higher.


Asunto(s)
Guarderías Infantiles , Costo de Enfermedad , Enfermedades Gastrointestinales/economía , Enfermedades Pulmonares/economía , Preescolar , Femenino , Enfermedades Gastrointestinales/epidemiología , Humanos , Incidencia , Lactante , Recién Nacido , Internet , Enfermedades Pulmonares/epidemiología , Masculino , Países Bajos , Encuestas y Cuestionarios
16.
Ned Tijdschr Geneeskd ; 158: A6980, 2014.
Artículo en Holandés | MEDLINE | ID: mdl-24642118

RESUMEN

OBJECTIVE: To assess the efficiency of the testing policy change in 2012 in sexually transmitted infection (STI) outpatient clinics: persons who attend the clinic and are aged < 25 years without other risk factors are initially tested only for chlamydia, and only in the event of a positive test result will they be tested for other STIs. Other possible changes in the STI testing policy were explored. DESIGN: Explorative study. METHOD: To test the new policy, data from STI outpatient clinics from 2011 were used for the risk group "young people under 25 years of age without other STI risks". Other groups who visited STI outpatient clinic were selected from the data from the STI outpatient clinics from 2012. Test cost savings and missed STIs were calculated if STI outpatient clinic attendees from these risk groups first received only a chlamydia or a combination test (chlamydia and gonorrhoea). Test cost savings were divided by the number of missed STIs as a measure of efficiency. RESULTS: The policy change led to an annual test cost saving of € 1.1 million but missed 31 gonorrhoea infections (€ 36,200 at the cost of one missed gonorrhoea infection). Using a combination test for chlamydia and gonorrhoea in heterosexual individuals visiting the clinic aged < 25 years and not from a STI-endemic country could lead to test costs savings of € 3.8 million. Savings at the cost of one missed STI would be about € 350,000; 4 HIV and 7 syphilis infections would have been missed. CONCLUSION: The national policy change has led to a substantial reduction in test costs. The policy measure would be even more efficient if a combination test for chlamydia and gonorrhoea were applied. Testing using a combination test in all heterosexual individuals who attend the clinic and are aged < 25 years and not from an STI-endemic country would lead to additional savings.


Asunto(s)
Infecciones por Chlamydia/diagnóstico , Gonorrea/diagnóstico , Tamizaje Masivo/economía , Tamizaje Masivo/métodos , Enfermedades de Transmisión Sexual/diagnóstico , Adulto , Factores de Edad , Análisis Costo-Beneficio , Femenino , Infecciones por VIH/diagnóstico , Costos de la Atención en Salud , Humanos , Masculino , Países Bajos , Factores de Riesgo , Adulto Joven
17.
Vaccine ; 31(46): 5392-7, 2013 Nov 04.
Artículo en Inglés | MEDLINE | ID: mdl-24075918

RESUMEN

Pertussis (whooping cough) is a severe infectious disease in infants less than 6 months old. Mass vaccination programmes have been unable to halt transmission effectively. Strategies to protect new-borns against infection include vaccination of the neonate or the mother directly after birth (cocooning), or the mother during pregnancy (maternal). Here we investigate the cost-effectiveness of these three strategies in the Netherlands. Costs for health care utilization and productivity losses, as well as impact on quality of life were calculated for a 10-year vaccination programme, assuming that vaccine-induced immunity lasts 5 years. Cocooning was the most attractive option from a cost-effectiveness viewpoint (€89,000/QALY). However, both cocooning and maternal vaccination would reduce the disease burden in infants and mothers vaccinated (about 17-20 QALY/year). Specifically, with a persistent epidemic as seen in 2012, there is need for reconsidering the vaccination schedules against pertussis in order to increase protection of the vulnerable new-borns.


Asunto(s)
Vacuna contra la Tos Ferina/administración & dosificación , Vacuna contra la Tos Ferina/economía , Vacunación/economía , Vacunación/métodos , Tos Ferina/economía , Tos Ferina/prevención & control , Adulto , Análisis Costo-Beneficio , Femenino , Humanos , Lactante , Recién Nacido , Masculino , Modelos Estadísticos , Países Bajos/epidemiología , Embarazo , Tos Ferina/epidemiología
18.
AIDS ; 27(14): 2281-90, 2013 Sep 10.
Artículo en Inglés | MEDLINE | ID: mdl-24067620

RESUMEN

OBJECTIVE: To estimate the cost-effectiveness of anorectal chlamydia screening among men who have sex with men (MSM) in care at HIV treatment centers. DESIGN: Transmission model combined with economic analysis over a 20-year period. SETTING AND PARTICIPANTS: MSM in care at HIV treatment centers. INTERVENTION: Once-yearly or twice-yearly screening for anorectal chlamydia among MSM in care at HIV treatment centers. MAIN OUTCOME MEASURES: Averted HIV and chlamydia infections; discounted quality-adjusted life-years and costs; incremental cost-effectiveness ratio (ICER). RESULTS: Costs will be saved by routine chlamydia screening of MSM in care at HIV treatment centers if these patients seek little or no screening elsewhere. Nonroutine screening is considerably more expensive than routine screening offered within a scheduled visit. Adding once-yearly chlamydia screening for MSM in care at HIV treatment centers is cost saving when 30% or fewer of those men seek once-yearly screening elsewhere (1.5 to 8.1 million euro saved). Twice-yearly routine screening at HIV treatment centers is cost-effective only when routine screening takes place without additional nonroutine screening (1.9 million euro saved). CONCLUSIONS: Adding annual chlamydia screening to the HIV consultation will be cost saving as long as only a limited proportion of men are nonroutinely screened. The ICER was most sensitive to the percentage of MSM that continue to be screened elsewhere.


Asunto(s)
Instituciones de Atención Ambulatoria , Infecciones por Chlamydia/diagnóstico , Homosexualidad Masculina , Tamizaje Masivo/economía , Tamizaje Masivo/métodos , Enfermedades de Transmisión Sexual/diagnóstico , Adolescente , Adulto , Anciano , Infecciones por Chlamydia/prevención & control , Infecciones por Chlamydia/transmisión , Análisis Costo-Beneficio , Femenino , Humanos , Masculino , Persona de Mediana Edad , Enfermedades de Transmisión Sexual/prevención & control , Enfermedades de Transmisión Sexual/transmisión , Adulto Joven
19.
BMJ ; 345: e4445, 2012 Jul 12.
Artículo en Inglés | MEDLINE | ID: mdl-22791791

RESUMEN

OBJECTIVE: To investigate whether a single optimal vaccination strategy exists across countries to deal with a future influenza pandemic by comparing the cost effectiveness of different strategies in various pandemic scenarios for three European countries. DESIGN: Economic and epidemic modelling study. SETTINGS: General populations in Germany, the Netherlands, and the United Kingdom. DATA SOURCES: Country specific patterns of social contact and demographic data. MODEL: An age structured susceptible-exposed-infected-recovered transmission model that describes how an influenza A virus will spread in the populations of Germany, the Netherlands, and the United Kingdom. INTERVENTIONS: Comparison of four vaccination strategies: no vaccination, blanket vaccination, vaccination of elderly people (≥ 65 years), and vaccination of high transmitters (5-19 years). The four strategies were evaluated for scenarios in which a vaccine became available early or at the peak of the pandemic, and in which either everyone was initially susceptible or older age groups had pre-existing immunity. MAIN OUTCOME MEASURE: Cost per quality adjusted life years (QALYs) gained. RESULTS: All vaccination strategies were cost effective (incremental cost per QALY gained, comparing intervention with non-intervention). In scenarios where the vaccine became available at the peak of the pandemic and there was pre-existing immunity among elderly people the incremental cost effectiveness ratios for vaccinating high transmitters were €7325 (£5815; $10,470) per QALY gained for Germany, €10,216 per QALY gained for the Netherlands, and €7280 per QALY gained for the United Kingdom. The most cost effective strategy not only differed across the pandemic scenarios but also between countries. Specifically, when the vaccine was available early in the pandemic and there was no pre-existing immunity, in Germany it would be most cost effective to vaccinate elderly people ( €940 per QALY gained), whereas it would be most cost effective to vaccinate high transmitters in both the Netherlands (€525 per QALY gained) and the United Kingdom (€163 per QALY gained). This difference in optimal strategies was due to differences in the demographic characteristics of the countries: Germany has a significantly higher proportion of elderly people compared with the Netherlands and the United Kingdom. CONCLUSIONS: No single vaccination strategy was most cost effective across countries. With aging populations, pre-existing immunity in particular could be of crucial importance for the cost effectiveness of options to mitigate a future influenza pandemic.


Asunto(s)
Virus de la Influenza A , Gripe Humana/prevención & control , Modelos Biológicos , Modelos Económicos , Pandemias/prevención & control , Vacunación/economía , Adolescente , Adulto , Factores de Edad , Anciano , Anciano de 80 o más Años , Niño , Preescolar , Análisis Costo-Beneficio , Alemania/epidemiología , Costos de la Atención en Salud , Humanos , Lactante , Recién Nacido , Vacunas contra la Influenza/economía , Gripe Humana/economía , Gripe Humana/epidemiología , Gripe Humana/transmisión , Persona de Mediana Edad , Países Bajos/epidemiología , Pandemias/economía , Años de Vida Ajustados por Calidad de Vida , Reino Unido/epidemiología , Vacunación/métodos , Adulto Joven
20.
Expert Rev Pharmacoecon Outcomes Res ; 9(6): 547-58, 2009 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-19941432

RESUMEN

We conducted a review of economic evaluations of pandemic influenza control measures. In the studies found, we detected various interventions being investigated: antiviral stockpiling and treatment, prophylaxis, vaccination, school closure and restricting international travel. Cost-effectiveness varied but often showed potentials for the favorable economic profiles of these measures. Both static and dynamic models were used. We conclude that the choice of an appropriate model - in particular, a dynamic model - is crucial to arrive at valid cost-effectiveness ratios. Yet, of the economic evaluations considered here, only a few were based on dynamic modeling. We recommend that further research is directed toward linking dynamic epidemiological models for pandemic spread with economic outcomes by considering the full impacts on national economies, including direct, indirect, medical and nonmedical costs.


Asunto(s)
Brotes de Enfermedades/prevención & control , Gripe Humana/economía , Modelos Económicos , Antivirales/economía , Antivirales/provisión & distribución , Antivirales/uso terapéutico , Análisis Costo-Beneficio , Humanos , Vacunas contra la Influenza/economía , Vacunas contra la Influenza/uso terapéutico , Gripe Humana/epidemiología , Gripe Humana/prevención & control
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