Jonas Hedlund

Om mig
Publikationer
CV
Populärvetenskap och samverkan

Om mig

Jonas Hedlund är docent i infektionssjukdomar vid Karolinska Institutet, med
placering vid institutionen för medicin, Solna.
Jonas Hedlund har sedan mer än 20 år bedrivit forskning om lunginfektioner.
Forskningsfältet har främst varit riktat mot pneumokockbakterier och
influensa. Forskningsområdet omfattar preventiva åtgärder med
vaccinationsstudier, studier av metoder för att kunna förutsäga prognosen
för patienter som sjukhusvårdas för samhällsförvärvad pneumoni och
utvecklande av nya diagnostiska metoder för att påvisa smittämnen som
orsakar pneumoni.

Artiklar

Article: INFECTIOUS DISEASES. 2023;55(6):396-404
Measurement of lactate in pleural fluid rapidly identify infection and guide therapy
Johansson N; Ydsten KA; Backman-Johansson C; Vondracek M; Hedlund J
Article: JOURNAL OF INFECTION. 2022;85(2):167-173
Pneumococcal urinary antigen testing for antimicrobial guidance in community-acquired pneumonia-A register-based cohort study
Athlin S; Magnuson A; Spindler C; Hedlund J; Stralin K; Naucler P
Article: CRITICAL CARE MEDICINE. 2022;50(5):825-836
Ventilator-Associated Lower Respiratory Tract Bacterial Infections in COVID-19 Compared With Non-COVID-19 Patients*
Hedberg P; Ternhag A; Giske CG; Stralin K; Ozenci V; Johansson N; Spindler C; Hedlund J; Martensson J; Naucler P
Article: BMC INFECTIOUS DISEASES. 2022;22(1):108
Bacterial co-infections in community-acquired pneumonia caused by SARS-CoV-2, influenza virus and respiratory syncytial virus
Hedberg P; Johansson N; Ternhag A; Abdel-Halim L; Hedlund J; Naucler P
Article: CRITICAL CARE. 2021;25(1):291
Cerebrospinal fluid cell count variability is a major confounding factor in external ventricular drain-associated infection surveillance diagnostics: a prospective observational study
Badholm M; Blixt J; Glimaker M; Ternhag A; Hedlund J; Nelson DW
Article: JOURNAL OF INTERNAL MEDICINE. 2019;286(6):689-701
The changing epidemiology of community-acquired pneumonia: nationwide register-based study in Sweden
Naucler P; Henriques-Normark B; Hedlund J; Galanis I; Granath F; Ortqvist A
Article: EUROPEAN JOURNAL OF CLINICAL MICROBIOLOGY & INFECTIOUS DISEASES. 2019;38(2):297-304
The bacteriology in adult patients with pneumonia and parapneumonic effusions: increased yield with DNA sequencing method
Johansson N; Vondracek M; Backman-Johansson C; Skold MC; Andersson-Ydsten K; Hedlund J
Article: CLINICAL MICROBIOLOGY AND INFECTION. 2017;23(4):247-252
Narrow-spectrum β-lactam monotherapy in hospital treatment of community-acquired pneumonia: a register-based cohort study
Rhedin S; Galanis I; Granath F; Ternhag A; Hedlund J; Spindler C; Naucler P
Article: PLOS ONE. 2016;11(7):e0159694
The IRIDICA PCR/Electrospray Ionization-Mass Spectrometry Assay on Bronchoalveolar Lavage for Bacterial Etiology in Mechanically Ventilated Patients with Suspected Pneumonia
Stralin K; Ehn F; Giske CG; Ullberg M; Hedlund J; Petersson J; Spindler C; Ozenci V
Article: PLOS ONE. 2015;10(10):e0140112
Clinical and Microbiological Factors Associated with High Nasopharyngeal Pneumococcal Density in Patients with Pneumococcal Pneumonia
Alpkvist H; Athlin S; Naucler P; Herrmann B; Abdeldaim G; Slotved H-C; Hedlund J; Stralin K
Article: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 2014;46(11):787-791
Procalcitonin levels in community-acquired pneumonia - correlation with aetiology and severity
Johansson N; Kalin M; Backman-Johansson C; Larsson A; Nilsson K; Hedlund J
Article: BMJ OPEN RESPIRATORY RESEARCH. 2014;1(1):e000038
Improvement of CRB-65 as a prognostic tool in adult patients with community-acquired pneumonia
Dwyer R; Hedlund J; Henriques-Normark B; Kalin M
Article: JOURNAL OF INTERNAL MEDICINE. 2012;271(3):282-293
Soluble CD27 induces IgG production through activation of antigen-primed B cells
Dang LVP; Nilsson A; Ingelman-Sundberg H; Cagigi A; Gelinck LBS; Titanji K; De Milito A; Grutzmeier S; Hedlund J; Kroon FP; Chiodi F
Article: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 2011;43(8):609-615
Clinical impact of combined viral and bacterial infection in patients with community-acquired pneumonia
Johansson N; Kalin M; Hedlund J
Article: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 2011;43(6-7):448-455
Improvement of CRB-65 as a prognostic scoring system in adult patients with bacteraemic pneumococcal pneumonia
Dwyer R; Hedlund J; Darenberg J; Henriques-Normark B; Naucler P; Runesdotter S; Kalin M
Article: CLINICAL INFECTIOUS DISEASES. 2010;50(2):202-209
Etiology of Community-Acquired Pneumonia: Increased Microbiological Yield with New Diagnostic Methods
Johansson N; Kalin M; Tiveljung-Lindell A; Giske CG; Hedlund J
Article: VACCINE. 2008;26(43):5541-5546
Effects of a large-scale introduction of the pneumococcal polysaccharide vaccine among elderly persons in Stockholm, Sweden
Spindler C; Hedlund J; Jasir A; Normark BH; Ortqvist A
Article: LAKARTIDNINGEN. 2008;105(38):2582-2587
[Management of adult patients with community-acquired pneumonia. Evidence-based guidelines from the Swedish Infectious Diseases Association].
Strålin K; Goscinski G; Hedlund J; Lidman C; Spindler C; Ortqvist A; Holmberg H
Article: EUROPEAN RESPIRATORY JOURNAL. 2007;30(3):414-422
Influenza vaccination and mortality:: prospective cohort study of the elderly in a large geographical area
Oertqvist A; Granath F; Askling J; Hedlund J
Article: EUROPEAN RESPIRATORY JOURNAL. 2004;23(3):363-368
Additive preventive effect of influenza and pneumococcal vaccines in elderly persons
Christenson B; Hedlund J; Lundbergh P; Örtqvist Å
Article: VACCINE. 2003;22(1):96-103
Revaccination with the 23-valent pneumococcal polysaccharide vaccine in middle-aged and elderly persons previously treated for pneumonia
Törling J; Hedlund J; Konradsen HB; Örtqvist Å
Article: VACCINE. 2003;21(25-26):3906-3911
Effects of a large-scale intervention with influenza and 23-valent pneumococcal vaccines in elderly people:: a 1-year follow-up
Hedlund J; Christenson B; Lundbergh P; Örtqvist Å
Article: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 2003;35(8):452-458
Capsular types and antibiotic susceptibility of invasive Streptococcus pneumoniae among children in Sweden
Hedlund J; Sörberg M; Normark BH; Kronvall G
Article: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 2002;34(12):887-892
Management of patients with community-acquired pneumonia treated in hospital in Sweden
Hedlund J; Örtqvist Å
Article: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 2001;33(11):848-850
Changes in serotype distribution may hamper efficacy of pneumococcal conjugate vaccines in children
Normark BH; Örtqvist Å; Kalin M; Olsson-Liljequist B; Hedlund J; Svenson SB; Källenius G
Article: VACCINE. 2001;20(1-2):164-169
Negligible adjuvant effect for antibody responses and frequent adverse events associated with IL-12 treatment in humans vaccinated with pneumococcal polysaccharide
Hedlund J; Langer B; Konradsen HB; Örtqvist Å
Article: LANCET. 2001;357(9261):1008-1011
Effects of a large-scale intervention with influenza and 23-valent pneumococcal vaccines in adults aged 65 years or older:: a prospective study
Christenson B; Lundbergh P; Hedlund J; Örtqvist Å
Article: INFECTION. 2000;28(2):68-73
Procalcitonin and C-reactive protein levels in community-acquired pneumonia: Correlation with etiology and prognosis
Hedlund J; Hansson LO
Article: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 2000;32(3):281-286
Recurrence of pneumonia in relation to the antibody response after pneumococcal vaccination in middle-aged and elderly adults
Hedlund J; Örtqvist Å; Konradsen HB; Kalin M
Article: LANCET. 1998;351(9100):399-403
Randomised trial of 23-valent pneumococcal capsular polysaccharide vaccine in prevention of pneumonia in middle-aged and elderly people
Örtqvist Å; Hedlund J; Burman L; Elbel N; Höfer M; Leinonen M; Lindblad I; Sundelöf B; Kalin M
Article: LAKARTIDNINGEN. 1997;94(51-52):4914-4918
[A handling program for resistant pneumococci. Physicians sometimes neglect mandatory notification].
Hedlund J; Olsson-Liljequist B
Article: SCANDINAVIAN JOURNAL OF CLINICAL & LABORATORY INVESTIGATION. 1997;57(2):111-118
Sequential changes of inflammatory and nutritional markers in patients with community-acquired pneumonia.
Hansson LO; Hedlund JU; Ortqvist AB
Article: LAKARTIDNINGEN. 1997;94(11):963-964
[X-ray check up after pneumonia. "A healthy approach" helps in new diagnosis].
Ortqvist A; Hedlund J
Article: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 1997;29(4):387-392
Recurrence of pneumonia in middle-aged and elderly adults after hospital-treated pneumonia: Aetiology and predisposing conditions
Hedlund J; Kalin M; Ortqvist A
Article: EUROPEAN JOURNAL OF CLINICAL MICROBIOLOGY & INFECTIOUS DISEASES. 1996;15(8):671-675
Activity of trovafloxacin against blood isolates of Streptococcus pneumoniae in Sweden.
Liljequist BO; Hoffman BM; Hedlund J
Article: CLINICAL INFECTIOUS DISEASES. 1995;21(4):948-953
INCIDENCE, CAPSULAR TYPES, AND ANTIBIOTIC SUSCEPTIBILITY OF INVASIVE STREPTOCOCCUS-PNEUMONIAE IN SWEDEN
HEDLUND J; SVENSON SB; KALIN M; HENRICHSEN J; OLSSONLILJEQUIST B; MOLLERBERG G; KALLENIUS G
Article: ARCHIVES OF INTERNAL MEDICINE (CHICAGO, ILL. : 1908). 1995;155(13):1438-1442
Hypoalbuminemia in hospitalized patients with community-acquired pneumonia.
Hedlund JU; Hansson LO; Ortqvist AB
Article: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 1995;27(5):457-462
DIAGNOSTIC AND PROGNOSTIC VALUE OF INTERLEUKIN-6 AND C-REACTIVE PROTEIN IN COMMUNITY-ACQUIRED PNEUMONIA
ORTQVIST A; HEDLUND J; WRETLIND B; CARLSTROM A; KALIN M
Article: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 1995;27(1):32-37
SHORT-TERM AND LONG-TERM PROGNOSIS FOR MIDDLE-AGED AND ELDERLY PATIENTS HOSPITALIZED WITH COMMUNITY-ACQUIRED PNEUMONIA - IMPACT OF NUTRITIONAL AND INFLAMMATORY FACTORS
HEDLUND J; HANSSON LO; ORTQVIST A
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Alla övriga publikationer

Review: INFECTIOUS DISEASES. 2018;50(4):247-272
Management of community-acquired pneumonia in immunocompetent adults: updated Swedish guidelines 2017
Athlin S; Lidman C; Lundqvist A; Naucler P; Nilsson AC; Spindler C; Stralin K; Hedlund J
Review: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 2012;44(12):885-902
Swedish guidelines on the management of community-acquired pneumonia in immunocompetent adults-Swedish Society of Infectious Diseases 2012
Spindler C; Stralin K; Eriksson L; Hjerdt-Goscinski G; Holmberg H; Lidman C; Nilsson A; Ortqvist A; Hedlund J
Published conference paper: DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE. 2008;60(3):255-261
Quantitative detection of Streptococcus pneumoniae from sputum samples with real-time quantitative polymerase chain reaction for etiologic diagnosis of community-acquired pneumonia
Johansson N; Kalin M; Giske CG; Hedlund J
Published conference paper: VACCINE. 2007;25(13):2445-2450
Non-response to specific serotypes likely cause for failure to 23-valent pneumococcal polysaccharide vaccine in the elderly
Ortqvist A; Henckaerts I; Hedlund J; Poolman J
Review: SEMINARS IN RESPIRATORY AND CRITICAL CARE MEDICINE. 2005;26(6):563-574
Streptococcus pneumoniae: Epidemiology, risk factors, and clinical features
Örtqvist Å; Hedlund J; Kalin M
Review: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES. 2005;37(11-12):791-805
Swedish guidelines for the management of community-acquired pneumonia in immunocompetent adults
Hedlund J; Strålin K; Örtqvist Å; Holmberg H
Published conference paper: JOURNAL OF INFECTIOUS DISEASES. 2001;184(7):861-869
Dynamics of penicillin-susceptible clones in invasive pneumococcal disease
Normark BH; Kalin M; Örtqvist Å; Åkerlund T; Liljequist BO; Hedlund J; Svenson SB; Zhou J; Spratt BG; Normark S; Källenius G
Review: LAKARTIDNINGEN. 1999;96(11):1305-1308
[The elderly should be vaccinated against pneumococci].
Ortqvist A; Hedlund J; Kalin M
Letter: LANCET. 1998;351(9120):1962
Effectiveness of pneumococcal vaccine
Ortqvist A; Hedlund J; Kalin M
Letter: LANCET. 1998;351(9111):1284-1285
Effectiveness of pneumococcal vaccine -: Reply
Örtqvist Å; Hedlund J; Kalin M
Letter: LANCET. 1997;349(9069):1910
Pneumococcal bacteraemia in Sweden
Kallenius G; Hedlund J; Svenson SB; Kalin M; Henrichsen J
Editorial comment: LANCET. 1997;349(9049):371-372
Should pneumococcal infections continue to be classified as a single disease?
Hedlund J
Review: SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES, SUPPLEMENT. 1995;97:1-60
Community-acquired pneumonia requiring hospitalisation. Factors of importance for the short-and long term prognosis.
Hedlund J

Anställningar

Anknuten till Undervisning/Handledning, Medicin, Solna, Karolinska Institutet, 2023-2026

Examina och utbildning

Docent, Infektionssjukdomar, Karolinska Institutet, 2000

Om mig

Artiklar

Alla övriga publikationer

Anställningar

Examina och utbildning

Nyheter från KI

Kalenderhändelser från KI