Research Topics
| Marieke J van der WerfSummaryAffiliation: KNCV Tuberculosis Foundation Country: The Netherlands Publications
| Collaborators
|
Detail Information
Publications
Lack of evidence to support policy development for management of contacts of multidrug-resistant tuberculosis patients: two systematic reviewsM J van der Werf
KNCV Tuberculosis Foundation, The Hague, The Netherlands
Int J Tuberc Lung Dis 16:288-96. 2012..Existing international guidelines provide different recommendations for the management of contacts of multidrug-resistant tuberculosis (MDR-TB) patients...
Prevalence of inappropriate tuberculosis treatment regimens: a systematic reviewM W Langendam
Dutch Cochrane Centre, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
Eur Respir J 39:1012-20. 2012..This article highlights the need to improve implementation of the WHO treatment of TB guidelines...- Insufficient quality of sputum submitted for tuberculosis diagnosis and associated factors, in Klaten district, IndonesiaMateus Sakundarno
Department of Epidemiology, Faculty of Public Health, Diponegoro University, Semarang, Indonesia
BMC Pulm Med 9:16. 2009..In this study we aimed at assessing the quality of sputum in a district in Central Java and determining patient and health worker factors associated with submission of three good quality sputum samples... - Improving detection and notification of tuberculosis cases in students in Shaanxi province, China: an intervention studyTianhua Zhang
Shaanxi Provincial Institute for TB Control and Prevention, Xi an, Shaanxi Province, PR China
BMC Public Health 11:147. 2011.... - Journeys to tuberculosis treatment: a qualitative study of patients, families and communities in Jogjakarta, IndonesiaN Rintiswati
Microbiology Department, Faculty of Medicine, Gadjah Mada University, Jogjakarta, Indonesia
BMC Public Health 9:158. 2009..Many tuberculosis (TB) patients in Indonesia are diagnosed late. We seek to document patient journeys toward TB diagnosis and treatment and factors that influence health care seeking behavior... - Factors associated with low cure rate of tuberculosis in remote poor areas of Shaanxi Province, China: a case control studyXianqin Ai
The Department of Epidemiology, The Fourth Military Medical University, Xi an, Shaanxi Province, China
BMC Public Health 10:112. 2010..However in 30 (28%) out of 107 counties of Shaanxi province the cure rate was below 85%. This study aimed to investigate patient and treatment characteristics associated with non-cure after tuberculosis (TB) treatment in these counties... - Prevalence of tuberculosis drug resistance in 10 provinces of ChinaGuang Xue He
National Center for TB control and prevention, China Center for Disease Control and Prevention CDC, Beijing, PR China
BMC Infect Dis 8:166. 2008..The emergence of drug-resistant tuberculosis (TB) hampers TB control. Ten provinces in China performed drug resistance surveys among tuberculosis (TB) patients in 1996-2004 to assess levels of drug resistance... - Default from tuberculosis treatment in Tashkent, Uzbekistan; who are these defaulters and why do they default?Epco Hasker
Project HOPE Tuberculosis Control Program for the Central Asia Region, Almaty, Kazakhstan
BMC Infect Dis 8:97. 2008..Of 1087 pulmonary TB patients started on treatment in 2005, 228 (21%) defaulted. This study investigates who the defaulters in Tashkent are, when they default and why they default... - Infection control and the burden of tuberculosis infection and disease in health care workers in china: a cross-sectional studyGuang Xue He
National Center for TB control and prevention, China Center for Disease Control and Prevention, Changping District 102206, Beijing, China
BMC Infect Dis 10:313. 2010..We evaluated TB infection control practices, and the prevalence of latent TB infection (LTBI) and TB disease and risk factors in health care workers (HCW) in TB centers in Henan province in China... - Risk factors for non-cure among new sputum smear positive tuberculosis patients treated in tuberculosis dispensaries in Yunnan, ChinaHua Jianzhao
Yunnan Provincial Centers for Disease Control and Prevention, Yunnan, China
BMC Health Serv Res 11:97. 2011..Cure rates in general are high, but they were below the target of 85% in 26 out of 129 counties in 2005. In these 26 counties we assessed which patient-related and treatment-related factors were associated with non-cure... 
Obstacles for optimal tuberculosis case detection in primary health centers (PHC) in Sidoarjo district, East Java, IndonesiaChatarina U Wahyuni
Department of Epidemiology, School of Public Health, Airlangga University, Surabaya, Indonesia
BMC Health Serv Res 7:135. 2007..We evaluated the diagnostic process for TB in primary health care centers (PHC) in Sidoarjo district to assess whether problems in identification of TB suspects or in diagnosing TB patients can explain the low CDR...- Targets for tuberculosis control: how confident can we be about the data?Marieke J van der Werf
KNCV Tuberculosis Foundation, The Hague, Netherlands
Bull World Health Organ 85:370-6. 2007..Routine surveillance and vital registration systems need to be strengthened. We recommend that national TB prevalence surveys be performed in selected high-burden countries, in Africa in particular... - Evaluating tuberculosis case detection in EritreaMarieke J van der Werf
KNCV Tuberculosis Foundation, The Hague, The Netherlands
Emerg Infect Dis 13:1497-9. 2007..The CDR obtained from the survey was approximately 40%, whereas the CDR published by the World Health Organization was 3x lower (14%)... 
How to identify tuberculosis cases in a prevalence surveyM J van der Werf
KNCV Tuberculosis Foundation, The Hague, The Netherlands
Int J Tuberc Lung Dis 12:1255-60. 2008..Case definitions are ideally based on the combined results of symptom enquiry, CXR and bacteriology...- TB-HIV co-infection in EritreaM J van der Werf
KNCV Tuberculosis Foundation, P O Box 146, 2501 CC The Hague, The Netherlands
Int J Tuberc Lung Dis 11:823-6. 2007..8%, 95%CI 7.6-16.1) were HIV-infected. Risk factors were age, urban residence and schooling level. The data indicate that, starting with the urban areas, it is time for Eritrea to introduce HIV testing of all TB patients... - How to measure the prevalence of tuberculosis in a populationMarieke J van der Werf
KNCV Tuberculosis Foundation, The Hague, The Netherlands
Trop Med Int Health 12:475-84. 2007..Most surveys use comparable strategies. Alternatives strategies at lower cost need to be evaluated... - Schistosomiasis control in Ghana: case management and means for diagnosis and treatment within the health systemMarieke J van der Werf
Department of Public Health, Erasmus MC, University Medical Center Rotterdam, P O B 1738, 3000 DR Rotterdam, The Netherlands
Trans R Soc Trop Med Hyg 97:146-52. 2003..Experience from other West African countries indicate that this is feasible... - Measuring schistosomiasis case management of the health services in Ghana and MaliMarieke J van der Werf
Department of Public Health, Erasmus MC, University Medical Center Rotterdam, The Netherlands
Trop Med Int Health 9:149-57. 2004..Considering these facts, it is questionable if passive case detection is a sufficient basis for effective schistosomiasis morbidity control, especially for S. mansoni infection... - Diagnosis of urinary schistosomiasis: a novel approach to compare bladder pathology measured by ultrasound and three methods for hematuria detectionMarieke J van der Werf
Department of Public Health, Erasmus Medical Center, University Medical Center Rotterdam, PO Box 1738, 3000 DR Rotterdam, The Netherlands
Am J Trop Med Hyg 71:98-106. 2004..The simple questionnaire approach is not markedly inferior to the other techniques, making it the best option for field use... - No effect of recall period length on prevalence of self-reported haematuria in Schistosoma haematobium-endemic areasMarieke J van der Werf
Department of Public Health, Erasmus MC, University Medical Center Rotterdam, PO Box 1738, 3000 DR Rotterdam, The Netherlands
Trans R Soc Trop Med Hyg 97:373-4. 2003..This suggests that the choice of recall period is of minor importance in control programmes or studies based on reported haematuria... - Tuberculosis-HIV co-infection in Kiev City, UkraineMarieke J van der Werf
KNCV Tuberculosis Foundation, 2501 CC The Hague, The Netherlands
Emerg Infect Dis 12:766-8. 2006..The results were compared to information from medical records of 2002, when co-infection prevalence was 6.3%. Of 968 TB patients, 98 (10.1%) were HIV infected. TB-HIV co-infection is increasing, especially in injecting drug users... - HIV testing practices of TB patients after introduction of a new testing policy in Kiev City, UkraineM J van der Werf
KNCV Tuberculosis Foundation, The Hague, The Netherlands
Int J Tuberc Lung Dis 9:733-9. 2005..The Kiev City Health Administration published a new policy for human immunodeficiency virus (HIV) testing of tuberculosis (TB) patients. According to this policy, all TB patients should be offered voluntary HIV testing after counselling... - Health care seeking behaviour for tuberculosis symptoms in Kiev City, UkraineM J van der Werf
KNCV Tuberculosis Foundation, The Hague, The Netherlands
Int J Tuberc Lung Dis 10:390-5. 2006..Tuberculosis (TB) doctors in Kiev City have the impression that TB patients often present with advanced TB disease, and the mortality rate among TB patients is high. Delay in seeking health care may explain these observations... - Quantification of clinical morbidity associated with schistosome infection in sub-Saharan AfricaMarieke J van der Werf
Department of Public Health, Erasmus MC, University Medical Center Rotterdam, PO Box 1738, 3000 DR, Rotterdam, The Netherlands
Acta Trop 86:125-39. 2003..mansoni) at 150000 and 130000 per year. Given the overall high number of cases with schistosomiasis-related disease and associated death, we conclude that schistosomiasis remains an important public health problem in sub-Saharan Africa... - Quantitative evaluation of integrated schistosomiasis control: the example of passive case finding in GhanaSake J de Vlas
Department of Public Health, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
Trop Med Int Health 9:A16-21. 2004..We therefore conclude that additional control activities, especially for high-risk groups, will remain necessary... - Extrapulmonary tuberculosis by nationality, The Netherlands, 1993-2001Lowieke A M te Beek
KNCV Tuberculosis Foundation, The Hague, The Netherlands
Emerg Infect Dis 12:1375-82. 2006..The growth of the number of inhabitants with a non-Western ethnic background in the Netherlands explains the proportional growth of extrapulmonary TB. Physicians need to be aware of the changing clinical picture of TB... - Multidrug resistance after inappropriate tuberculosis treatment: a meta-analysisMarieke J van der Werf
KNCV Tuberculosis Foundation, The Hague, Sweden
Eur Respir J 39:1511-9. 2012..It should be noted that only two studies provided data for the meta-analysis. The information can be used to advocate for adequate treatment for patients based on drug resistance profiles... - Evaluation of staff performance and material resources for integrated schistosomiasis control in northern SenegalMarieke J van der Werf
Department of Public Health, Erasmus University Rotterdam, Rotterdam, The Netherlands
Trop Med Int Health 7:70-9. 2002..The activities included additional training of doctors and nurses in symptom-based treatment and making praziquantel (PZQ) available for an affordable price... - Assessing tuberculosis case fatality ratio: a meta-analysisMasja Straetemans
Unit Knowledge, Research and Policy, KNCV Tuberculosis Foundation, The Hague, The Netherlands
PLoS ONE 6:e20755. 2011..TB mortality is indirectly measured by multiplying estimated TB incidence with estimated case fatality ratio (CFR). We conducted a meta-analysis to estimate the TB case fatality ratio in TB patients having initiated TB treatment... - Associating community prevalence of Schistosoma mansoni infection with prevalence of signs and symptomsMarieke J van der Werf
Department of Public Health, Erasmus University Rotterdam, P O Box 1738, 3000 DR, Rotterdam, The Netherlands
Acta Trop 82:127-37. 2002..An influence on hepatosplenic morbidity is already present at low community prevalence of infection. For the aspecific symptom abdominal pain we did not find an association... - Tuberculosis elimination in the NetherlandsMartien W Borgdorff
KNCV Tuberculosis Foundation, The Hague, The Netherlands
Emerg Infect Dis 11:597-602. 2005..Under current epidemiologic conditions and control efforts, TB may not be eliminated... - Knowledge of tuberculosis-treatment prescription of health workers: a systematic reviewMarieke J van der Werf
KNCV Tuberculosis Foundation, The Hague, The Netherlands
Eur Respir J 39:1248-55. 2012..The available studies show that there is a lack of knowledge of national or international TB treatment guidelines and recommendations. Generalisation of the findings to other settings and countries should be done with caution... - The effect of tuberculosis on mortality in HIV positive people: a meta-analysisMasja Straetemans
Unit Research, KNCV Tuberculosis Foundation, The Hague, The Netherlands
PLoS ONE 5:e15241. 2010..Tuberculosis is a leading cause of death in people living with HIV (PLWH). We conducted a meta analysis to assess the effect of tuberculosis on mortality in people living with HIV... - Patient delay determinants for patients with suspected tuberculosis in Yogyakarta province, IndonesiaWillem A Lock
Department of Public Health, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
Trop Med Int Health 16:1501-10. 2011..The aim of this study was to assess these determinants in TB suspects (coughing for at least 2 weeks)... - Natural history of tuberculosis: duration and fatality of untreated pulmonary tuberculosis in HIV negative patients: a systematic reviewEdine W Tiemersma
KNCV Tuberculosis Foundation, The Hague, The Netherlands
PLoS ONE 6:e17601. 2011..Furthermore, duration and case fatality of tuberculosis are key parameters in interpreting epidemiological data... - The changing pattern of Kaposi sarcoma in patients with HIV, 1994-2003: the EuroSIDA StudyAmanda Mocroft
Royal Free Centre for HIV Medicine, Royal Free and University College Medical School, London, United Kingdom
Cancer 100:2644-54. 2004..There continues to be an increased incidence of KS among homosexual men and a greatly reduced incidence of KS among patients with higher CD4 counts...