Research Topics
| Olivia KeiserSummaryAffiliation: University of Bern Country: Switzerland Publications
| Collaborators
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Detail Information
Publications
Antiretroviral treatment during pregnancyOlivia Keiser
Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
AIDS 22:2323-30. 2008..Virologic failure of HIV-positive patients is of special concern during pregnancy. We compared virologic failure and the frequency of treatment changes in pregnant and non-pregnant women of the Swiss HIV Cohort Study...
Outcomes of antiretroviral treatment in programmes with and without routine viral load monitoring in Southern AfricaOlivia Keiser
Division of International and Environmental Health, Institute of Social and Preventive Medicine, University of Bern, Switzerland
AIDS 25:1761-9. 2011..To compare outcomes of antiretroviral therapy (ART) in South Africa, where viral load monitoring is routine, with those in Malawi and Zambia, where monitoring is based on CD4 cell counts...- Accuracy of WHO CD4 cell count criteria for virological failure of antiretroviral therapyOlivia Keiser
Institute of Social and Preventive Medicine ISPM, University of Bern, CH 3012 Bern, Switzerland
Trop Med Int Health 14:1220-5. 2009..To examine the accuracy of the World Health Organization immunological criteria for virological failure of antiretroviral treatment... - Suicide in HIV-infected individuals and the general population in Switzerland, 1988-2008Olivia Keiser
Institute of Social and Preventive Medicine ISPM, University of Bern, Finkenhubelweg 11, CH 3012 Bern, Switzerland
Am J Psychiatry 167:143-50. 2010..The authors examined time trends and predictors of suicide in the pre-HAART (1988-1995) and HAART (1996-2008) eras in HIV-infected patients and the general population in Switzerland... - Mortality after failure of antiretroviral therapy in sub-Saharan AfricaOlivia Keiser
Institute of Social and Preventive Medicine ISPM, University of Bern, Bern, Switzerland
Trop Med Int Health 15:251-8. 2010..To assess the outcome of patients who experienced treatment failure with antiretrovirals in sub-Saharan Africa... - Early loss of HIV-infected patients on potent antiretroviral therapy programmes in lower-income countriesMartin W G Brinkhof
Institute of Social and Preventive Medicine, Bern, Switzerland
Bull World Health Organ 86:559-67. 2008..To analyse the early loss of patients to antiretroviral therapy (ART) programmes in resource-limited settings... - Switching to second-line antiretroviral therapy in resource-limited settings: comparison of programmes with and without viral load monitoringOlivia Keiser
Institute of Social and Preventive Medicine ISPM, University of Bern, Bern, Switzerland
AIDS 23:1867-74. 2009..We examined switching from nonnucleoside reverse transcriptase inhibitor (NNRTI)-based first-line regimens to protease inhibitor-based regimens in Africa, South America and Asia... - The causal effect of switching to second-line ART in programmes without access to routine viral load monitoringThomas Gsponer
Division of International and Environmental Health, Institute of Social and Preventive Medicine, University of Bern, Switzerland
AIDS 26:57-65. 2012..We examined the effect of switching to second-line antiretroviral therapy (ART) on mortality in patients who experienced immunological failure in ART programmes without access to routine viral load monitoring in sub-Saharan Africa... - Public-health and individual approaches to antiretroviral therapy: township South Africa and Switzerland comparedOlivia Keiser
Institute of Social and Preventive Medicine ISPM, University of Bern, Bern, Switzerland
PLoS Med 5:e148. 2008..We compared virologic response, changes to first-line regimens, and mortality in HIV-infected patients starting HAART in South Africa and Switzerland... - Antiretroviral therapy in resource-limited settings 1996 to 2006: patient characteristics, treatment regimens and monitoring in sub-Saharan Africa, Asia and Latin AmericaOlivia Keiser
Institute of Social and Preventive Medicine ISPM, University of Bern, Finkenhubelweg 11, 3012 Bern, Switzerland
Trop Med Int Health 13:870-9. 2008..To describe temporal trends in baseline clinical characteristics, initial treatment regimens and monitoring of patients starting antiretroviral therapy (ART) in resource-limited settings... - Electronic medical record systems, data quality and loss to follow-up: survey of antiretroviral therapy programmes in resource-limited settingsMathieu Forster
Institute of Social and Preventive Medicine, University of Bern, Switzerland
Bull World Health Organ 86:939-47. 2008.... - Tenofovir in second-line ART in Zambia and South Africa: collaborative analysis of cohort studiesGilles Wandeler
Division of International and Environmental Health, Institute of Social and Preventive Medicine, University of Bern, Finkenhubelweg 11, CH 3012 Bern, Switzerland
J Acquir Immune Defic Syndr 61:41-8. 2012..We compared outcomes of second-line ART containing and not containing TDF in cohort studies from Zambia and the Republic of South Africa (RSA)... 
Tuberculosis after initiation of antiretroviral therapy in low-income and high-income countriesMartin W G Brinkhof
Institute of Social and Preventive Medicine ISPM, University of Berne, Finkenhubelweg 11, CH 3012 Bern, Switzerland
Clin Infect Dis 45:1518-21. 2007..48 (95% confidence interval, 0.36-0.64) in low-income countries and 0.36 (95% confidence interval, 0.26-0.50) in high-income countries. A low CD4 cell count at the start of therapy was the most important risk factor in both settings...- Monitoring of antiretroviral therapy and mortality in HIV programmes in Malawi, South Africa and Zambia: mathematical modelling studyJanne Estill
Institute of Social and Preventive Medicine ISPM, University of Bern, Bern, Switzerland
PLoS ONE 8:e57611. 2013..We examined whether different monitoring of ART (viral load [VL] in South Africa and CD4 count in Malawi and Zambia) could explain this mortality difference... - Variability of growth in children starting antiretroviral treatment in southern AfricaThomas Gsponer
Institute of Social and Preventive Medicine ISPM, University of Bern, Finkenhubelweg 11, CH 3012 Bern, Switzerland
Pediatrics 130:e966-77. 2012..Poor growth is an indication for antiretroviral therapy (ART) and a criterion for treatment failure. We examined variability in growth response to ART in 12 programs in Malawi, Zambia, Zimbabwe, Mozambique, and South Africa... - Viral load monitoring of antiretroviral therapy, cohort viral load and HIV transmission in Southern Africa: a mathematical modelling analysisJanne Estill
Institute of Social and Preventive Medicine, University of Bern, Switzerland
AIDS 26:1403-13. 2012..Consequently, patients remain on a failing regimen, resulting in a higher risk of transmission. We investigated the benefit of routine viral load monitoring for reducing HIV transmission... - A comparison of initial antiretroviral therapy in the Swiss HIV Cohort Study and the recommendations of the International AIDS Society-USAGilles Wandeler
Clinic for Infectious Diseases, Bern University Hospital and University of Bern, Bern, Switzerland
PLoS ONE 6:e27903. 2011..We aimed to study if adherence to the recommendations is associated with better treatment outcomes in the Swiss HIV Cohort Study (SHCS)... - Retention in care of HIV-infected children from HIV test to start of antiretroviral therapy: systematic reviewCatrina Mugglin
Division of International and Environmental Health, Institute of Social and Preventive Medicine, University of Bern, Switzerland
PLoS ONE 8:e56446. 2013..The magnitude and reasons for loss to follow-up and death between HIV diagnosis and start of ART in children are not well defined... - Early mortality and loss to follow-up in HIV-infected children starting antiretroviral therapy in Southern AfricaLukas Fenner
Institute of Social and Preventive Medicine, University of Bern, Switzerland
J Acquir Immune Defic Syndr 54:524-32. 2010..We analyzed mortality in children retained in care and in all children starting ART, taking LTFU into account... - Estimating loss to follow-up in HIV-infected patients on antiretroviral therapy: the effect of the competing risk of death in Zambia and SwitzerlandFranziska Schöni-Affolter
Division of International and Environmental Health, Institute of Social and Preventive Medicine ISPM, University of Bern, Bern, Switzerland
PLoS ONE 6:e27919. 2011..Mortality is a competing risk (CR) for LTFU; however, it is often overlooked in cohort analyses. We examined how the CR of death affected LTFU estimates in Zambia and Switzerland... - Outcomes of antiretroviral treatment programs in rural Southern AfricaGilles Wandeler
Division of International and Environmental Health, Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
J Acquir Immune Defic Syndr 59:e9-16. 2012..We describe early losses and long-term outcomes in 6 rural programs in Southern Africa with limited access to viral load monitoring and second-line ART... - Adverse events to antiretrovirals in the Swiss HIV Cohort Study: effect on mortality and treatment modificationOlivia Keiser
Institute of Social and Preventive Medicine ISPM, University of Bern, Switzerland
Antivir Ther 12:1157-64. 2007..Antiretroviral therapy (ART) decreases morbidity and mortality in HIV-infected patients but is associated with considerable adverse events (AEs)... - Missed opportunities to prevent mother-to-child-transmission: systematic review and meta-analysisCelina Wettstein
Division of International and Environmental Health, Institute of Social and Preventive Medicine, University of Bern, Switzerland
AIDS 26:2361-73. 2012..To determine magnitude and reasons of loss to program and poor antiretroviral prophylaxis coverage in prevention of mother-to-child transmission (PMTCT) programs in sub-Saharan Africa... - Outcomes of antiretroviral therapy in the Swiss HIV Cohort Study: latent class analysisOlivia Keiser
Institute of Social and Preventive Medicine, University of Bern, Switzerland
AIDS Behav 16:245-55. 2012..Socio-behavioral groups identified by LCA allow insights above what can be gleaned from traditional transmission groups, and may identify patients who could benefit from targeted interventions...