Jonas Johnson

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Articles

Article: ACTA OBSTETRICIA ET GYNECOLOGICA SCANDINAVICA. 2025;104(6):1207-1217
Atrioventricular conduction abnormalities are associated with poor outcome following intermittent umbilical cord occlusions in fetal sheep
Lantto J; Johnson J; Huhta H; Haapsamo M; Kiviranta P; Rasanen K; Voipio H-M; Sonesson S-E; Voipio J; Rasanen J; Acharya G
Article: JOURNAL OF CLINICAL MEDICINE. 2025;14(7):2407
Modest NT-proBNP Elevation in Septuagenarians Without Heart Failure Is Not Associated with Cardiac Alterations or Cardiovascular Outcomes
da Silva CO; Hage C; Johnson J; Back M; Nagy AI; Svennberg E; Bastos L; Engdahl J; Al-Khalili F; Lund L; Manouras A
Article: SCIENTIFIC REPORTS. 2025;15(1):10610
Superior vena cava blood flow and Doppler indices of brain sparing in late onset fetal growth restriction
Stefopoulou M; Johnson J; Lindgren P; Acharya G
Article: BMC PULMONARY MEDICINE. 2024;24(1):295
Insights into RC time curve fit analysis of pulmonary artery pressure decay
Manouras A; Lund LH; Nagy AI; Johnson J
Article: ACTA OBSTETRICIA ET GYNECOLOGICA SCANDINAVICA. 2024;103(2):313-321
Automated quantitative evaluation of fetal atrioventricular annular plane systolic excursion before and after intrauterine blood transfusion in pregnancies affected by red blood cell alloimmunization
Zamprakou A; Soderhult I; Ferm-Widlund K; Ajne G; Johnson J; Herling L
Article: ACTA OBSTETRICIA ET GYNECOLOGICA SCANDINAVICA. 2023;102(3):270-281
Impact of the COVID-19 pandemic on women's perinatal mental health and its association with personality traits: An observational study
Birkelund KS; Rasmussen SS; Shwank SE; Johnson J; Acharya G
Article: ULTRASOUND IN OBSTETRICS & GYNECOLOGY. 2021;58(6):853-863
Automated quantitative evaluation of fetal atrioventricular annular plane systolic excursion
Herling L; Johnson J; Ferm-Widlund K; Zamprakou A; Westgren M; Acharya G
Article: JOURNAL OF CARDIAC FAILURE. 2021;27(3):277-285
The Differential Impact of the Left Atrial Pressure Components on Pulmonary Arterial Compliance-Resistance Relationship in Heart Failure
Najjar E; Lund LH; Hage C; Nagy AI; Johnson J; Manouras A
Article: BMC PREGNANCY AND CHILDBIRTH. 2021;21(1):158
Reference ranges of fetal superior vena cava blood flow velocities and pulsatility index in the second half of pregnancy: a longitudinal study
Stefopoulou M; Herling L; Johnson J; Lindgren P; Kiserud T; Acharya G
Article: FRONTIERS IN PEDIATRICS. 2021;9:658502
Fetal Superior Vena Cava Blood Flow and Its Fraction of Cardiac Output: A Longitudinal Ultrasound Study in the Second Half of Pregnancy
Stefopoulou M; Johnson J; Herling L; Lindgren P; Kiserud T; Acharya G
Article: ESC HEART FAILURE. 2020;7(6):4247-4255
Critical appraisal of the instantaneous end-diastolic pulmonary arterial wedge pressures
Manouras A; Lund LH; Geller L; Nagy AI; Johnson J
Article: ACTA OBSTETRICIA ET GYNECOLOGICA SCANDINAVICA. 2020;99(12):1717-1727
Volume blood flow-based indices of fetal brain sparing in the second half of pregnancy: A longitudinal study
Stefopoulou M; Johnson J; Wilsgaard T; Lindgren P; Herling L; Kiserud T; Acharya G
Article: CLINICAL RESEARCH IN CARDIOLOGY. 2020;109(11):1411-1422
Optimizing diastolic pressure gradient assessment
Manouras A; Johnson J; Lund LH; Nagy AI
Article: CARDIOVASCULAR ULTRASOUND. 2020;18(1):34
Fetal cardiac function at intrauterine transfusion assessed by automated analysis of color tissue Doppler recordings
Herling L; Johnson J; Ferm-Widlund K; Bergholm F; Lindgren P; Sonesson S-E; Acharya G; Westgren M
Article: ULTRASOUND IN OBSTETRICS & GYNECOLOGY. 2019;54(6):786-790
Fetal heart rate variability with hypoxemia in an instrumented sheep model
Bhide A; Johnson J; Rasanen J; Acharya G
Journal article: EUROPEAN HEART JOURNAL. 2019;40(Supplement_1):ehz745.0031
3075Global longitudinal strain and mechanical dispersion in the general population aged 50–64 years – results from the echocardiography study of the Swedish CArdioPulmonary bioImage Study (SCAPIS)
Kylhammar D; Hult L; Blomstrand P; Engstrom G; Johnson J; Ostgren CJ; Engvall J
Article: CLINICAL RESEARCH IN CARDIOLOGY. 2019;108(6):703-715
Left atrial strain improves estimation of filling pressures in heart failure: a simultaneous echocardiographic and invasive haemodynamic study
Lundberg A; Johnson J; Hage C; Baeck M; Merkely B; Venkateshvaran A; Lund LH; Nagy AI; Manouras A
Article: ULTRASOUND IN OBSTETRICS & GYNECOLOGY. 2019;53(3):348-357
Automated analysis of fetal cardiac function using color tissue Doppler imaging in second half of normal pregnancy
Herling L; Johnson J; Ferm-Widlund K; Bergholm F; Elmstedt N; Lindgren P; Sonesson S-E; Acharya G; Westgren M
Article: ULTRASOUND IN OBSTETRICS & GYNECOLOGY. 2018;52(5):599-608
Automated analysis of fetal cardiac function using color tissue Doppler imaging
Herling L; Johnson J; Ferm-Widlund K; Bergholm F; Lindgren P; Sonesson S-E; Acharya G; Westgren M
Article: OPEN HEART. 2018;5(2):e000842
Right ventricular mechanics and contractility after aortic valve replacement surgery: a randomised study comparing minimally invasive versus conventional approach
Hashemi N; Johnson J; Brodin L-A; Gomes-Bernardes AA; Sartipy U; Svenarud P; Dalen M; Back M; Alam M; Winter R
Article: SCANDINAVIAN CARDIOVASCULAR JOURNAL. 2017;51(3):143-152
Heart rate and dyssynchrony in patients with cardiac resynchronization therapy: a pilot study
Naar J; Mortensen L; Winter R; Johnson J; Shahgaldi K; Manouras A; Braunschweig F; Stahlberg M
Article: CARDIOVASCULAR ULTRASOUND. 2015;13:39
Automated analysis of color tissue Doppler velocity recordings of the fetal myocardium using a new algorithm
Herling L; Johnson J; Ferm-Widlund K; Lindgren P; Acharya G; Westgren M
Article: CLINICAL PHYSIOLOGY AND FUNCTIONAL IMAGING. 2014;34(5):389-396
The early diastolic myocardial velocity: a marker of increased risk in patients with coronary heart disease
Johnson J; Manouras A; Bergholm F; Brodin LA; Agewall S; Henareh L
Article: CARDIOVASCULAR ULTRASOUND. 2013;11:35
The prognostic value of mechanical left ventricular dyssynchrony in patients with acute coronary syndrome
Westholm C; Johnson J; Jernberg T; Winter R
Article: ULTRASOUND IN MEDICINE AND BIOLOGY. 2013;39(9):1682-1687
THE CARDIAC STATE DIAGRAM AS A NOVEL APPROACH FOR THE EVALUATION OF PRE- AND POST-EJECTION PHASES OF THE CARDIAC CYCLE IN ASPHYXIATED FETAL LAMBS
Wagstrom E; Johnson J; Ferm-Widlund K; Elmstedt N; Liuba K; Lind B; Brodin L-A; Lundback S; Westgren M
Article: CARDIOVASCULAR ULTRASOUND. 2013;11:29
Reference values for fetal tissue velocity imaging and a new approach to evaluate fetal myocardial function
Elmstedt NNE; Johnson JJJ; Lind BBL; Ferm-Widlund KKFW; Herling LLH; Westgren MMW; Brodin L-ALAB
Article: JOURNAL OF THE AMERICAN SOCIETY OF ECHOCARDIOGRAPHY. 2013;26(8):875-884
Mitral Annular Displacement by Doppler Tissue Imaging May Identify Coronary Occlusion and Predict Mortality in Patients with Non-ST-Elevation Myocardial Infarction
Zahid W; Johnson J; Westholm C; Eek CH; Haugaa KH; Smedsrud MK; Skulstad H; Fosse E; Winter R; Edvardsen T
Article: AMERICAN JOURNAL OF PHYSIOLOGY-HEART AND CIRCULATORY PHYSIOLOGY. 2013;304(7):H1002-H1009
Impact of tachycardia and sympathetic stimulation by cold pressor test on cardiac diastology and arterial function in elderly females
Johnson J; Hakansson F; Shahgaldi K; Manouras A; Norman M; Sahlen A
Article: CARDIOVASCULAR ULTRASOUND. 2013;11:9
Peak systolic velocity using color-coded tissue Doppler imaging, a strong and independent predictor of outcome in acute coronary syndrome patients
Westholm C; Johnson J; Sahlen A; Winter R; Jernberg T
Journal article: ULTRASOUND IN OBSTETRICS & GYNECOLOGY. 2012;40(S1):36
OC18.02: The cardiac state diagram as a novel approach for evaluation of re‐ and post ejection phases of the cardiac cycle in asphyxiated fetal lambs
Wågström E; Johnson J; Ferm‐Widlund K; Elmstedt N; Liuba K; Lind B; Brodin L; Westgren M
Article: CARDIOVASCULAR ULTRASOUND. 2009;7:22
State diagrams of the heart - a new approach to describing cardiac mechanics
Larsson M; Bjallmark A; Johnson J; Winter R; Brodin L-A; Lundback S
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All other publications

Letter: JOURNAL OF INTERNAL MEDICINE. 2025;298(1):46-48
Elevated lipoprotein(a) and progression of aortic stenosis measured by Doppler echocardiography: A population-based cohort study
Brinck J; Littmann K; Hogling DE; Widman L; Caidahl K; Eriksson M; Johnson J; Szummer K; Back M
Conference publication: ULTRASOUND IN OBSTETRICS & GYNECOLOGY. 2020;56(S1):130-131
VP18.03: Automated measurement of atrioventricular plane displacement as a marker in intrauterine growth restriction
Herling L; Johnson J; Ferm‐Widlund K; Lindgren P; Sonesson S; Acharya G; Westgren M
Conference publication: JOURNAL OF HEART AND LUNG TRANSPLANTATION. 2020;39(4):S233
Left Atrial Pressure Pulsatility Attenuates Pulmonary Vascular Compliance in Heart Failure
Najjar E; Hage C; Lund LH; Johnson JJ; Manouras A
Conference publication: EUROPEAN JOURNAL OF HEART FAILURE. 2020;22:332
Pre-clinical diastolic dysfunction is common in asymptomatic septuagenarians and is not reliably predicted by NT-proBNP
Lundberg A; Da Silva C; Johnson J; Hage C; Lund L; Nagy A; Manouras A
Conference publication: ULTRASOUND IN OBSTETRICS & GYNECOLOGY. 2019;54(S1):178
P08.02: Automated analysis of fetal atrioventricular (AV) plane displacement in normal pregnancy
Herling L; Johnson J; Ferm‐Widlund K; Bergholm F; Lindgren P; Sonesson S; Acharya G; Westgren M
Conference publication: ULTRASOUND IN OBSTETRICS & GYNECOLOGY. 2019;54(S1):43
OC17.05: Fetal cardiac function before and after intrauterine transfusion assessed by automated analysis of colour tissue Doppler
Herling L; Johnson J; Ferm‐Widlund K; Bergholm F; Lindgren P; Sonesson S; Acharya G; Westgren M
Conference publication: EUROPEAN JOURNAL OF HEART FAILURE. 2019;21:52
Pulmonary wedge measurements at the trough of Y-descent provide more reliable and predictive diastolic pressure gradient estimation.
Manouras A; Johnson J; Lund LH; Nagy AI
Conference publication: ULTRASOUND IN OBSTETRICS & GYNECOLOGY. 2015;46(S1):58
OP02.08: New automatic analysis of tissue Doppler traces for a simplified assessment of fetal cardiac function
Herling L; Johnson J; Ferm‐Widlund K; Elmstedt N; Lindgren P; Acharya G; Westgren M
Conference publication: EUROPEAN HEART JOURNAL. 2012;33:924
Peak Systolic Velocity (PSV) using colour-coded Tissue Doppler Imaging (TDI) is a strong and independent predictor of outcome in acute coronary syndrome patients
Westholm C; Johnson J; Jernberg T; Winter R
Conference publication: EUROPEAN HEART JOURNAL. 2012;33:912
Mitral annular excursion in patients with suspected non-ST-elevation acute coronary syndrome can identify coronary occlusion and predict mortality
Zahid W; Johnson J; Westholm C; Eek C; Skulstad R; Fosse E; Winter R; Edvardsen T
Conference publication: EUROPEAN HEART JOURNAL. 2012;33:618
Altered visco-elasticity of common carotid artery of elderly female hypertensives
Sahlen A; Shahgaldi K; Manouras A; Winter R; Johnson J
Conference publication: EUROPEAN HEART JOURNAL. 2012;33:138
Analysis of aortic characteristic impedance in the time domain: validation using computer simulation
Sahlen A; Shahgaldi K; Manouras A; Johnson J
Conference publication: ACTA OBSTETRICIA ET GYNECOLOGICA SCANDINAVICA. 2012;91:144
The Cardiac State Diagram as a novel approach for evaluation of phases of the cardiac cycle in asfyxiated fetal lambs
Wagstrom E; Johnson J; Ferm-Widlund K; Elmstedt N; Liuba K; Lind B; Brodin L-A; Westgren M

Employments

Research Engineer, Department of Women's and Children's Health, Karolinska Institutet, 2025-2025
Research Engineer, Department of Women's and Children's Health, Karolinska Institutet, 2025-2025
Research Engineer, Department of Clinical Science, Intervention and Technology, Karolinska Institutet, 2023-2025

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