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O. Ljungquist · SciRah

Researcher profile · Semantic Scholar

O. Ljungquist

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O. Ljungquist — researcher profile on SciRah

h-index: 11
Works: 34
Citations: 492

Most-cited papers

Evidence of household transfer of ESBL-/pAmpC-producing Enterobacteriaceae between humans and dogs – a pilot study
O. Ljungquist, Ditte Ljungquist, M. Myrenås, C. Rydén +2 more
2016Infection Ecology & Epidemiology83 citations Open access
Semantic Scholar
Association between convalescent plasma treatment and mortality in COVID-19: a collaborative systematic review and meta-analysis of randomized clinical trials
C. Axfors, P. Janiaud, A. Schmitt, Janneke van'T Hooft +204 more
2021BMC Infectious Diseases62 citations Open access
Semantic Scholar
Probiotics for intestinal decolonization of ESBL-producing enterobacteriaceae; a randomized, placebo-controlled clinical trial.
O. Ljungquist, C. Kampmann, F. Resman, K. Riesbeck +1 more
2020Clinical Microbiology and Infection52 citations Open access
Semantic Scholar
Highly multidrug-resistant Gram-negative bacterial infections in war victims in Ukraine, 2022.
O. Ljungquist, O. Nazarchuk, G. Kahlmeter, V. Andrews +7 more
2023Lancet. Infectious Diseases (Print)50 citations Open access
Semantic Scholar
Convalescent plasma treatment in severely immunosuppressed patients hospitalized with COVID-19: an observational study of 28 cases
O. Ljungquist, M. Lundgren, Elena Y. Iliachenko, F. Månsson +11 more
2021Infectious Diseases30 citations Open access
Semantic Scholar
Pandrug-resistant Klebsiella pneumoniae isolated from Ukrainian war victims are hypervirulent.
O. Ljungquist, M. Magda, C. Giske, C. Tellapragada +7 more
2024Journal of Infection29 citations Open access
Semantic Scholar
Incidence, aetiology and temporal trend of bloodstream infections in southern Sweden from 2006 to 2019: a population-based study
O. Ljungquist, Adam Blomstergren, Adam J Merkel, T. Sunnerhagen +2 more
2023Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin26 citations Open access
Semantic Scholar
Convalescence plasma treatment of COVID-19: results from a prematurely terminated randomized controlled open-label study in Southern Sweden
Karin Holm, M. Lundgren, J. Kjeldsen-Kragh, O. Ljungquist +10 more
2021BMC Research Notes25 citations Open access
Semantic Scholar
Increasing incidence of pyogenic liver abscess in Southern Sweden: a population-based study from 2011 to 2020
E. Svensson, Astrid Jönsson, A. Bläckberg, T. Sunnerhagen +2 more
2023Infectious Diseases24 citations Open access
Semantic Scholar
Conservative Management First Strategy in Aortic Vascular Graft and Endograft Infections.
O. Ljungquist, S. Haidl, N. Dias, B. Sonesson +3 more
2023European Journal of Vascular and Endovascular Surgery24 citations Open access
Semantic Scholar
Nationwide, population-based observational study of the molecular epidemiology and temporal trend of carbapenemase-producing Enterobacterales in Norway, 2015 to 2021
O. Ljungquist, B. Haldorsen, A. Pöntinen, Jessin Janice +25 more
2023Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin15 citations Open access
Semantic Scholar
A Population-Based Study on the Incidence, Risk Factors, and Outcome of Salmonella Bloodstream Infections in South Sweden 2012–2022
L. Björklund, Y. Mattisson, A. Bläckberg, T. Sunnerhagen +1 more
2024Infectious Disease and Therapy11 citations Open access
Semantic Scholar
A Population-Based Study of Unfavorable Prognostic Factors Associated With Pyogenic Liver Abscess
A. Bläckberg, Astrid Jönsson, E. Svensson, T. Sunnerhagen +2 more
2023Open Forum Infectious Diseases11 citations Open access
Semantic Scholar
16S rRNA is a valuable tool in finding bacterial aetiology of community-acquired pleural empyema–a population-based observational study in South Sweden
Jakob Hjertman, Jonas Bläckberg, O. Ljungquist
2021Infectious Diseases10 citations Open access
Semantic Scholar
Influenza-associated invasive aspergillosis in patients admitted to the intensive care unit in Sweden: a prospective multicentre cohort study
Anders Krifors, O. Blennow, L. Påhlman, P. Gille-Johnson +12 more
2023Infectious Diseases8 citations Open access
Semantic Scholar
Increasing rates of urinary and bloodstream infections following transrectal prostate biopsy in South Sweden
O. Ljungquist, Ale Persmark, M. Grabe, A. Jakobsen +4 more
2022BJU International6 citations Open access
Semantic Scholar
A population-based study on the incidence and aetiology of infectious complications in peritoneal dialysis in South Sweden
Marta Tobijaszewska, Giedre Martus, T. Sunnerhagen, Mårten Segelmark +1 more
2023Infectious Diseases5 citations Open access
Semantic Scholar
Risk factors associated with prolonged intestinal colonization of ESBL-producing Enterobacteriaceae – a prospective cohort study
O. Ljungquist, Marcus Schönbeck, K. Riesbeck, J. Tham
2019Infection and Drug Resistance5 citations Open access
Semantic Scholar
Antibiotic prophylaxis and incidence of infection following elbow arthroplasty: a nationwide study
Johan Wänström, Anne Dettmer, Hanna C. Björnsson Hallgren, Björn Salomonsson +2 more
2025Acta Orthopaedica3 citations Open access
Semantic Scholar
Association of time to positivity with disease severity in bloodstream infections - a population-based cohort study.
O. Ljungquist, Jonas Tverring, Karl Oldberg, T. Sunnerhagen +1 more
2025Clinical Microbiology and Infection3 citations Open access
Semantic Scholar
Citrobacter spp. bloodstream infection primarily affects the elderly either hospitalized or closely associated with health care – a population-based observational study with comparisons between C. koseri and the C. freundii complex
T. Sunnerhagen, Hiba Taie, Johanna Ohlsson, O. Ljungquist
2025BMC Infectious Diseases3 citations Open access
Semantic Scholar
Septic arthritis score (SAS) – a novel clinical prediction model for the probability of septic arthritis in the adult native knee
Jonas Tverring, Amelia Johansson, Omid Bornaei, A. Lantz +1 more
2025BMC Infectious Diseases3 citations Open access
Semantic Scholar
Morganella morganii bloodstream infection affects the elderly in close contact with health care
Olof Karlbom, T. Sunnerhagen, O. Ljungquist
2024IJID Regions3 citations Open access
Semantic Scholar
Low 30-day mortality and low carbapenem-resistance in a decade of Acinetobacter bacteraemia in South Sweden
Erik Ingefors, Jonas Tverring, F. Nafaa, Niklas Jönsson +3 more
2021Infection Ecology & Epidemiology2 citations Open access
Semantic Scholar
Community-acquired bacterial meningitis in Southern Sweden 2013–2023: a population-based study of incidence, aetiology and diagnostic yield
T. West, Robin Carlander, T. Sunnerhagen, Gustav Torisson +1 more
2025European Journal of Clinical Microbiology and Infectious Diseases1 citations Open access
Semantic Scholar
Pivmecillinam with Amoxicillin/Clavulanic acid as step down oral therapy in febrile Urinary Tract Infections caused by ESBL-producing Enterobacterales (PACUTI)
Jonas Tverring, E. Månsson, V. Andrews, O. Ljungquist
2023Trials1 citations Open access
Semantic Scholar
ESBL-producing Enterobacterales in patients with traveller's diarrhoea-a cross sectional cohort study
O. Ljungquist, A. Camporeale, Shoeib Nematzadeh, G. Christian +4 more
20201 citations
Semantic Scholar
A Cross-Sectional Cohort Study of Extended-Spectrum-Beta-Lactamase-Producing Enterobacterales in Patients with Traveler's Diarrhea
O. Ljungquist, A. Camporeale, Shoeib Nematzadeh, C. Giske +3 more
2020Antimicrobial Agents and Chemotherapy1 citations Open access
Semantic Scholar
Septic Arthritis and Its Mimics: Assessing the Incidence, Mortality Rate, Cause‐of Death and Preventability in a Population‐Based Cohort Study
Amelia Johansson, Omid Bornai, Jonas Tverring, O. Ljungquist
2026Health Science Reports0 citations Open access
Semantic Scholar
Impact of colonisation with multidrug-resistant gram-negative bacteria in a low endemicity setting: a population-based observational study.
V. Andrews, E. Senneby, Malin Inghammar, O. Ljungquist
2026Infection0 citations Open access
Semantic Scholar
Etiology and Outcomes of Bloodstream Infections by Immunosuppression Type: A Population-Based Laboratory Surveillance Study
O. Ljungquist, Fredrik Resman, Karl Oldberg, A. Bläckberg +2 more
2026Open Forum Infectious Diseases0 citations Open access
Semantic Scholar
Intravenous Immunoglobulin Treatment in Patients With Streptococcal Toxic Shock Syndrome in Southern Sweden: A Retrospective Population-Based Study
Olof Wullt, Charlotta Utbult, E. Carlson, O. Ljungquist +3 more
2026Open Forum Infectious Diseases0 citations Open access
Semantic Scholar
Modifiable risk factors for peritoneal dialysis-related infections - a population-based cohort study on risk factors and outcomes in South Sweden
O. Ljungquist, Marta Tobijaszewska, Gustav Torisson, Giedre Martus +2 more
2025Frontiers in Nephrology0 citations Open access
Semantic Scholar
A population-based study of the appearances of enteric Campylobacter and non-typhoidal Salmonella infections on computed tomography
O. Ljungquist, Sophie Poijes, T. Sunnerhagen, A. Bläckberg
2024Annals medicus0 citations Open access
Semantic Scholar
Bacteremia with ESBL-producing Enterobacterales is associated with IgG antibodies reacting with CTX-M-15 and/or CTX-M-27.
Thomas Sahlström, O. Ljungquist, Yu-Ching Su, F. Resman +3 more
2020International Journal of Medical Microbiology0 citations Open access
Semantic Scholar

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