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A. Griesmacher · SciRah

Researcher profile · Semantic Scholar

A. Griesmacher

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A. Griesmacher — researcher profile on SciRah

h-index: 40
Works: 308
Citations: 7,203

Most-cited papers

Systemic inflammation as fuel for acute liver injury in COVID-19
M. Effenberger, C. Grander, F. Grabherr, A. Griesmacher +8 more
2020Digestive and Liver Disease91 citations Open access
Semantic Scholar
STROKE-CARD care to prevent cardiovascular events and improve quality of life after acute ischaemic stroke or TIA: A randomised clinical trial
P. Willeit, Thomas Toell, C. Boehme, S. Krebs +13 more
2020EClinicalMedicine82 citations Open access
Semantic Scholar
Clinical validation of the Siemens quantitative SARS-CoV-2 spike IgG assay (sCOVG) reveals improved sensitivity and a good correlation with virus neutralization titers
C. Irsara, A. Egger, W. Prokop, M. Nairz +16 more
2021Clinical Chemistry and Laboratory Medicine60 citations Open access
Semantic Scholar
Testosterone Deficiency Is a Risk Factor for Severe COVID-19
L. Lanser, F. Burkert, Lis Thommes, A. Egger +7 more
2021Frontiers in Endocrinology55 citations Open access
Semantic Scholar
Potent SARS-CoV-2-Specific T Cell Immunity and Low Anaphylatoxin Levels Correlate With Mild Disease Progression in COVID-19 Patients
E. Lafon, G. Diem, C. Witting, V. Zaderer +12 more
2021Frontiers in Immunology46 citations Open access
Semantic Scholar
Perfusate Enzymes and Platelets Indicate Early Allograft Dysfunction After Transplantation of Normothermically Preserved Livers
A. Weissenbacher, C. Bogensperger, R. Oberhuber, A. Meszaros +19 more
2021Transplantation43 citations
Semantic Scholar
A comprehensive antigen production and characterisation study for easy-to-implement, specific and quantitative SARS-CoV-2 serotests
M. Klausberger, M. Duerkop, H. Haslacher, G. Wozniak-Knopp +54 more
2021EBioMedicine37 citations Open access
Semantic Scholar
Neopterin Predicts Disease Severity in Hospitalized Patients With COVID-19
R. Bellmann-Weiler, L. Lanser, F. Burkert, Stefanie Seiwald +7 more
2020Open Forum Infectious Diseases37 citations Open access
Semantic Scholar
Association of High-Sensitivity Cardiac Troponin T With 30-Day and 5-Year Mortality After Cardiac Surgery.
L. Pölzl, C. Engler, Philipp Sterzinger, R. Lohmann +20 more
2023Journal of the American College of Cardiology34 citations Open access
Semantic Scholar
Evaluation of four commercial, fully automated SARS-CoV-2 antibody tests suggests a revision of the Siemens SARS-CoV-2 IgG assay
C. Irsara, A. Egger, W. Prokop, M. Nairz +13 more
2020medRxiv31 citations Open access
Semantic Scholar
Comparative evaluation of four SARS-CoV-2 antigen tests in hospitalized patients
Lis Thommes, F. Burkert, Karla-Wanda Öttl, D. Goldin +6 more
2021International Journal of Infectious Diseases27 citations Open access
Semantic Scholar
RT-PCR based SARS-CoV-2 variant screening assays require careful quality control
J. Camp, C. Buchta, J. Jovanović, E. Puchhammer-Stöckl +4 more
2021Journal of Clinical Virology21 citations Open access
Semantic Scholar
The versatility of external quality assessment for the surveillance of laboratory and in vitro diagnostic performance: SARS-CoV-2 viral genome detection in Austria
C. Buchta, J. Camp, J. Jovanović, P. Chiba +14 more
2021Clinical Chemistry and Laboratory Medicine18 citations Open access
Semantic Scholar
Normothermic Liver Machine Perfusion at a Large European Center
F. Krendl, B. Cardini, M. Fodor, Jessica Singh +16 more
2025Annals of Surgery17 citations Open access
Semantic Scholar
Behind the scenes of EQA – characteristics, capabilities, benefits and assets of external quality assessment (EQA): Part III – EQA samples
Christoph Buchta, Rachel Marrington, B. De La Salle, Stéphanie Albarède +24 more
2025Clinical Chemistry and Laboratory Medicine17 citations Open access
Semantic Scholar
Behind the scenes of EQA – characteristics, capabilities, benefits and assets of external quality assessment (EQA): Part V – Benefits for stakeholders other than participants
Christoph Buchta, B. De La Salle, Rachel Marrington, Andrés Aburto Almonacid +29 more
2025Clinical Chemistry and Laboratory Medicine16 citations Open access
Semantic Scholar
Overcoming limitations in the availability of swabs systems used for SARS-CoV-2 laboratory diagnostics
M. Nairz, R. Bellmann-Weiler, Miriam Ladstätter, F. Schüllner +20 more
2020Scientific Reports16 citations Open access
Semantic Scholar
Increased PD-L1 surface expression on peripheral blood granulocytes and monocytes after vaccination with SARS-CoV2 mRNA or vector vaccine
L. Loacker, J. Kimpel, Z. Bánki, C. Schmidt +2 more
2022Clinical Chemistry and Laboratory Medicine15 citations Open access
Semantic Scholar
Impact of lifestyle and cardiovascular risk factors on early atherosclerosis in a large cohort of healthy adolescents: The Early Vascular Ageing (EVA)-Tyrol Study.
Anna Staudt, K. Stock, N. Gande, B. Bernar +19 more
2020Atherosclerosis14 citations
Semantic Scholar
Inadequate design of mutation detection panels prevents interpretation of variants of concern: results of an external quality assessment for SARS-CoV-2 variant detection
C. Buchta, J. Camp, J. Jovanović, U. Radler +6 more
2021Clinical Chemistry and Laboratory Medicine13 citations Open access
Semantic Scholar
Behind the scenes of EQA – characteristics, capabilities, benefits and assets of external quality assessment (EQA): Part I – EQA in general and EQA programs in particular
Christoph Buchta, Rachel Marrington, B. De La Salle, Stéphanie Albarède +21 more
2025Clinical Chemistry and Laboratory Medicine12 citations Open access
Semantic Scholar
Classification of “Near-patient” and “Point-of-Care” SARS-CoV-2 Nucleic Acid Amplification Test Systems and a first approach to evaluate their analytical independence of operator activities
C. Buchta, H. Zeichhardt, T. Badrick, W. Coucke +12 more
2023Journal of Clinical Virology12 citations Open access
Semantic Scholar
Design of external quality assessment schemes and definition of the roles of their providers in future epidemics
C. Buchta, H. Zeichhardt, S. Aberle, J. Camp +11 more
2023The Lancet Microbe12 citations Open access
Semantic Scholar
Behind the scenes of EQA – characteristics, capabilities, benefits and assets of external quality assessment (EQA): Part II – EQA cycles
Christoph Buchta, Rachel Marrington, B. De La Salle, Stéphanie Albarède +17 more
2025Clinical Chemistry and Laboratory Medicine11 citations Open access
Semantic Scholar
Determinants of non-alcoholic fatty liver disease in young people: Maternal, neonatal, and adolescent factors
Johannes Nairz, Alex Messner, S. Kiechl, Bernhard Winder +8 more
2024PLoS ONE11 citations Open access
Semantic Scholar
Sexual dysfunction in female and male people with multiple sclerosis: disability, depression and hormonal status matter
F. Di Pauli, Anne Zinganell, B. Böttcher, Janette Walde +8 more
2023European Journal of Neurology11 citations Open access
Semantic Scholar
One-Year Follow-Up of COVID-19 Patients Indicates Substantial Assay-Dependent Differences in the Kinetics of SARS-CoV-2 Antibodies
A. Egger, S. Sahanic, A. Gleiss, F. Ratzinger +15 more
2022Microbiology spectrum11 citations Open access
Semantic Scholar
Pharmacokinetics and Antifungal Activity of Echinocandins in Ascites Fluid of Critically Ill Patients
René Welte, H. Oberacher, Tiziana Gasperetti, H. Pfisterer +13 more
2021Antimicrobial Agents and Chemotherapy11 citations Open access
Semantic Scholar
Predictors of Carotid Intima‐Media Thickness Progression in Adolescents—The EVA‐Tyrol Study
S. Kiechl, Anna Staudt, K. Stock, N. Gande +19 more
2021Journal of the American Heart Association : Cardiovascular and Cerebrovascular Disease10 citations Open access
Semantic Scholar
Serum sPD-L1 levels are elevated in patients with viral diseases, bacterial sepsis or in patients with impaired renal function compared to healthy blood donors
L. Loacker, A. Egger, V. Fux, R. Bellmann-Weiler +7 more
2023Clinical Chemistry and Laboratory Medicine9 citations
Semantic Scholar
Three rounds of a national external quality assessment reveal a link between disharmonic anti-SARS-CoV-2 antibody quantifications and the infection stage
C. Buchta, D. Springer, J. Jovanović, Christian Borsodi +10 more
2023Clinical Chemistry and Laboratory Medicine9 citations Open access
Semantic Scholar
Determinants of Diet Quality in Adolescents: Results from the Prospective Population-Based EVA-Tyrol and EVA4YOU Cohorts
K. Mueller, Alex Messner, Johannes Nairz, Bernhard Winder +12 more
2023Nutrients9 citations
Semantic Scholar
Converting to an international unit system improves harmonization of results for SARS-CoV-2 quantification: Results from multiple external quality assessments
C. Buchta, Dominik Kollros, J. Jovanović, W. Huf +9 more
2022Journal of Clinical Virology9 citations Open access
Semantic Scholar
The importance of external quality assessment data in evaluating SARS-CoV-2 virus genome detection assays
Christoph Buchta, M. Müller, A. Griesmacher
2022The Lancet Microbe9 citations Open access
Semantic Scholar
Screening for osteoporosis in people with MS: A new risk score.
Anne Zinganell, H. Hegen, Janette Walde, A. Bauer +15 more
2023Multiple Sclerosis and Related Disorders8 citations Open access
Semantic Scholar
Impact of myocardial injury after coronary artery bypass grafting on long-term prognosis.
L. Pölzl, M. Thielmann, S. Cymorek, F. Nägele +17 more
2022European Heart Journal8 citations Open access
Semantic Scholar
Results of a SARS-CoV-2 virus genome detection external quality assessment round focusing on sensitivity of assays and pooling of samples
C. Buchta, J. Camp, J. Jovanović, E. Puchhammer-Stöckl +5 more
2022Clinical Chemistry and Laboratory Medicine8 citations Open access
Semantic Scholar
The association of allergic asthma and carotid intima-media thickness in adolescence: data of the prospective early vascular ageing (EVA)-Tyrol cohort study
Bernhard Winder, S. Kiechl, Nadja Gruber, B. Bernar +20 more
2022BMC Cardiovascular Disorders8 citations Open access
Semantic Scholar
Ct values of different SARS CoV2 variants: a single center observational study from Innsbruck, Austria
L. Loacker, M. Dlaska, A. Griesmacher, M. Anliker
2022Clinical Chemistry and Laboratory Medicine8 citations Open access
Semantic Scholar
A look at the precision, sensitivity and specificity of SARS-CoV-2 RT-PCR assays through a dedicated external quality assessment round
C. Buchta, J. Camp, J. Jovanović, U. Radler +7 more
2021Clinical Chemistry and Laboratory Medicine8 citations Open access
Semantic Scholar
Comorbidities associated with dysphagia after acute ischemic stroke
Anel Karisik, Vincent Bader, Kurt Moelgg, Lucie Buergi +45 more
2024BMC Neurology7 citations Open access
Semantic Scholar
High-Sensitivity Cardiac Troponin T and Cardiovascular Risk After Ischemic Stroke or Transient Ischemic Attack
K. Willeit, C. Boehme, Thomas Toell, L. Tschiderer +9 more
2024JACC: Advances7 citations Open access
Semantic Scholar
Diagnostic Yield of a Systematic Vascular Health Screening Approach in Adolescents at Schools.
S. Kiechl, Anna Staudt, K. Stock, N. Gande +10 more
2022Journal of Adolescent Health7 citations
Semantic Scholar
External quality assessment providers’ services appear to more impact the immunohaematology performance of laboratories than national regulatory and economic conditions
C. Buchta, W. Coucke, W. Huf, A. Griesmacher +32 more
2022Clinical Chemistry and Laboratory Medicine7 citations Open access
Semantic Scholar
Nutritional Status in Patients with Medication-Related Osteonecrosis of the Jaw (MRONJ)
J. Laimer, Alexander Höller, U. Pichler, Raphaela Engel +4 more
2021Nutrients7 citations Open access
Semantic Scholar
Clinical validation of the quantitative Siemens SARS-CoV-2 spike IgG assay (sCOVG) reveals improved sensitivity and a good correlation with virus neutralization titers
C. Irsara, A. Egger, Wolfgang Prokop, Manfred Nairz +16 more
2021medRxiv7 citations Open access
Semantic Scholar
Prediabetes and diabetes mellitus type II after ischemic stroke
Kurt Moelgg, Anel Karisik, Lukas Scherer, Lucie Buergi +12 more
2025European Stroke Journal6 citations
Semantic Scholar
Anticoagulation Monitoring During Extracorporeal Membrane Oxygenation: A Narrative Review.
Sasa Rajsic, C. Irsara, A. Griesmacher, L. Brunelli +4 more
2025Journal of Cardiothoracic and Vascular Anesthesia6 citations
Semantic Scholar
Reference, calibration and referral laboratories – a look at current European provisions and beyond
Christoph Buchta, B. Benka, V. Delatour, I. Faé +13 more
2024Clinical Chemistry and Laboratory Medicine6 citations Open access
Semantic Scholar
Evaluation of two fully automated ADAMTS13 activity assays in comparison to manual FRET assay
C. Irsara, M. Anliker, A. Egger, L. Harasser +4 more
2023International Journal of Laboratory Hematology6 citations
Semantic Scholar

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