Armin Rieger
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View article: Long-Term Benefits from Early Antiretroviral Therapy Initiation in HIV Infection
Long-Term Benefits from Early Antiretroviral Therapy Initiation in HIV Infection Open
Among adults with CD4+ counts >500 cells/mm3, excess risk of AIDS and SNA associated with delaying treatment initiation was diminished after ART initiation, but persistent excess risk remained. (Funded by the National Institute of Allergy …
View article: Prevalence and dynamics of NAFLD-associated fibrosis in people living with HIV in Vienna from first presentation to last follow-up
Prevalence and dynamics of NAFLD-associated fibrosis in people living with HIV in Vienna from first presentation to last follow-up Open
Summary Background/aims Non-alcoholic fatty liver disease (NAFLD) is frequent in people living with HIV (PLWH) and may be aggravated by metabolic comorbidities and antiretroviral therapy (ART)-associated adverse effects. Methods We retrosp…
View article: The ‘Viennese epidemic’ of acute HCV in the era of direct‐acting antivirals
The ‘Viennese epidemic’ of acute HCV in the era of direct‐acting antivirals Open
The recently reported epidemic of acute hepatitis C virus (HCV) infections —observed predominantly among men who have sex with men (MSM)—may now decline due to wide availability of direct‐acting antivirals (DAAs). This study aimed to inves…
View article: A Lower CD4 Count Predicts Most Causes of Death except Cardiovascular Deaths. The Austrian HIV Cohort Study
A Lower CD4 Count Predicts Most Causes of Death except Cardiovascular Deaths. The Austrian HIV Cohort Study Open
(1) Objective: To investigate changes in mortality rates and predictors of all-cause mortality as well as specific causes of death over time among HIV-positive individuals in the combination antiretroviral therapy (cART) era. (2) Methods: …
View article: Frequency of Envoplakin and Type VII Collagen Autoantibodies and Co-occurrence with Other Skin-specific Autoantibodies in HIV-infected Patients and Uninfected Controls
Frequency of Envoplakin and Type VII Collagen Autoantibodies and Co-occurrence with Other Skin-specific Autoantibodies in HIV-infected Patients and Uninfected Controls Open
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View article: Epidemiological trends of HBV and HDV coinfection among Viennese HIV+ patients
Epidemiological trends of HBV and HDV coinfection among Viennese HIV+ patients Open
Background and Aims Despite vaccination recommendations, hepatitis B (HBV) and D (HDV) coinfections are common in HIV+individuals. Methods HBV immunization status (anti‐HBs) as well as HBV (HBsAg/HBV‐DNA) and HDV (anti‐HDV) coinfection rat…
View article: HIV infection as a risk factor for vaginal dysbiosis, bacterial vaginosis, and candidosis in pregnancy: A matched case‐control study
HIV infection as a risk factor for vaginal dysbiosis, bacterial vaginosis, and candidosis in pregnancy: A matched case‐control study Open
Background This study aimed to evaluate the vaginal microbiota of HIV‐positive pregnant women relative to HIV‐negative controls, and to compare their risk of vaginal dysbiosis, bacterial vaginosis, and vulvovaginal candidosis (VVC). Method…
View article: Virologic and immunologic outcomes of treatment with integrase inhibitors in a real-world setting: The RESPOND cohort consortium
Virologic and immunologic outcomes of treatment with integrase inhibitors in a real-world setting: The RESPOND cohort consortium Open
Objectives To compare virologic and immunologic outcomes of integrase inhibitor (INSTI)-containing, contemporary boosted protease inhibitor (PI/b)-containing and non-nucleotide reverse transcriptase inhibitor (NNRTI)-containing regimens in…
View article: Outcomes of coronary artery bypass grafting in patients with human immunodeficiency virus infection
Outcomes of coronary artery bypass grafting in patients with human immunodeficiency virus infection Open
CABG provides excellent short- and midterm survival and freedom from MACCE in HIV+ patients with CAD requiring revascularization.
View article: Switching to Bictegravir, Emtricitabine, and Tenofovir Alafenamide in Virologically Suppressed Adults With Human Immunodeficiency Virus
Switching to Bictegravir, Emtricitabine, and Tenofovir Alafenamide in Virologically Suppressed Adults With Human Immunodeficiency Virus Open
Background Bictegravir (B)/emtricitabine (F)/tenofovir alafenamide (TAF) is guideline-recommended treatment for human immunodeficiency virus type 1 (HIV-1). We evaluated whether people receiving dolutegravir (DTG) plus F/TAF or F/TDF (teno…
View article: Treatment outcomes of integrase inhibitors, boosted protease inhibitors and nonnucleoside reverse transcriptase inhibitors in antiretroviral‐naïve persons starting treatment
Treatment outcomes of integrase inhibitors, boosted protease inhibitors and nonnucleoside reverse transcriptase inhibitors in antiretroviral‐naïve persons starting treatment Open
Objectives Although outcomes of antiretroviral therapy (ART) have been evaluated in randomized controlled trials, experiences from subpopulations defined by age, CD4 count or viral load (VL) in heterogeneous real‐world settings are limited…
View article: Epidemiological trends in HCV transmission and prevalence in the Viennese HIV+ population
Epidemiological trends in HCV transmission and prevalence in the Viennese HIV+ population Open
Background & Aims Human immunodeficiency virus (HIV)/hepatitis C virus (HCV) coinfection is common in people who inject drugs (PWIDs). Recently, ‘high‐risk’ behaviour among men who have sex with men (MSM) has emerged as another main route …
View article: Low seroprotection rate for meningococcus serogroup C in the adult HIV-1-infected population in Austria
Low seroprotection rate for meningococcus serogroup C in the adult HIV-1-infected population in Austria Open
Summary Current Advisory Committee on Immunization Practices (ACIP) guidelines recommend immunization of all human immunodeficiency virus (HIV)-infected patients against meningitis serotype ACWY due to recent outbreaks of meningitis C in h…
View article: Susceptibility-Weighted MR Imaging Hypointense Rim in Progressive Multifocal Leukoencephalopathy: The End Point of Neuroinflammation and a Potential Outcome Predictor
Susceptibility-Weighted MR Imaging Hypointense Rim in Progressive Multifocal Leukoencephalopathy: The End Point of Neuroinflammation and a Potential Outcome Predictor Open
The thin, uniformly linear, gyriform SWI-hypointense rim in the paralesional U-fibers in patients with definite progressive multifocal leukoencephalopathy might represent an end-point stage of the neuroinflammatory process in long-term sur…
View article: Prevalence of Skin-specific Autoantibodies in HIV-infected Patients and Uninfected Controls
Prevalence of Skin-specific Autoantibodies in HIV-infected Patients and Uninfected Controls Open
Various autoantibodies are detected more frequently in HIV-infected individuals than in HIV-negative controls; however, limited data exist regarding autoimmune blistering skin diseases. Using enzyme-linked immunoassay (ELISA) and indirect …
View article: Determinants of Restoration of CD4 and CD8 Cell Counts and Their Ratio in HIV-1–Positive Individuals With Sustained Virological Suppression on Antiretroviral Therapy
Determinants of Restoration of CD4 and CD8 Cell Counts and Their Ratio in HIV-1–Positive Individuals With Sustained Virological Suppression on Antiretroviral Therapy Open
Background: An increasing number of HIV-positive individuals now start antiretroviral therapy (ART) with high CD4 cell counts. We investigated whether this makes restoration of CD4 and CD8 cell counts and the CD4:CD8 ratio during virologic…
View article: Acute HIV Infection Results in Subclinical Inflammatory Cardiomyopathy
Acute HIV Infection Results in Subclinical Inflammatory Cardiomyopathy Open
The impact of excess viral RNA on myocardial function and morphology in the setting of acute human immunodeficiency virus (HIV) infection remains unknown. In this study, 49 patients with acute HIV infection showed increased levels of N-ter…
View article: Predictors for and coverage of influenza vaccination among <scp>HIV</scp>‐positive patients: a cross‐sectional survey
Predictors for and coverage of influenza vaccination among <span>HIV</span>‐positive patients: a cross‐sectional survey Open
Objectives Influenza vaccination is recommended for HIV ‐infected patients, but limited data about vaccination rates are available. The aim of this study was to evaluate the coverage of and predictors for influenza vaccination among HIV ‐p…
View article: Sexual Activity Without Condoms and Risk of HIV Transmission in Serodifferent Couples When the HIV-Positive Partner Is Using Suppressive Antiretroviral Therapy
Sexual Activity Without Condoms and Risk of HIV Transmission in Serodifferent Couples When the HIV-Positive Partner Is Using Suppressive Antiretroviral Therapy Open
Among serodifferent heterosexual and MSM couples in which the HIV-positive partner was using suppressive ART and who reported condomless sex, during median follow-up of 1.3 years per couple, there were no documented cases of within-couple …
View article: Bacillary angiomatosis presenting with facial tumor and multiple abscesses
Bacillary angiomatosis presenting with facial tumor and multiple abscesses Open
Our case shows that rare opportunistic, vector-borne infections, usually associated with poverty, can lead to diagnosis of HIV even in well-developed countries. Furthermore, we provide details on clinical manifestation and diagnostic work-…
View article: Impact of Early Initiation of Antiretroviral Therapy in Patients with Acute HIV Infection in Vienna, Austria
Impact of Early Initiation of Antiretroviral Therapy in Patients with Acute HIV Infection in Vienna, Austria Open
Initiation of ART during acute HIV infection is associated with a lower probability of clinical progression to more advanced CDC stages and significant immunological benefits.
View article: A Single Quantifiable Viral Load Is Predictive of Virological Failure in Human Immunodeficiency Virus (HIV)-Infected Patients on Combination Antiretroviral Therapy: The Austrian HIV Cohort Study
A Single Quantifiable Viral Load Is Predictive of Virological Failure in Human Immunodeficiency Virus (HIV)-Infected Patients on Combination Antiretroviral Therapy: The Austrian HIV Cohort Study Open
Background. Viral loads (VLs) detectable at low levels are not uncommon in patients on combination antiretroviral therapy (cART). We investigated whether a single quantifiable VL predicted virological failure (VF). Methods. We analyzed pat…