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Umeå University
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Staff photo Christer Grönlund

Christer Grönlund

My research focus is on medical ultrasound imaging with vascular and neuromuscular applications.

Research qualifications: Docent

Contact

E-mail
christer.gronlund@umu.se
Phone
+46 90 785 40 85

Works as

Affiliation
Adjunct professor at Department of Diagnostics and Intervention Section: Biomedical engineering and Radiation Physics
Location
3B, Norrlands universitetsjukhus Umeå universitet, 901 85 Umeå
A domain adaptation model for carotid ultrasound: image harmonization, noise reduction, and impact on cardiovascular risk markers
Computers in Biology and Medicine, Elsevier 2025, Vol. 190
Usama, Mohd; Nyman, Emma; Näslund, Ulf; et al.
Altered probe pressure and body position increase diagnostic accuracy for men and women in detecting hepatic steatosis using quantitative ultrasound
European Radiology, Springer Nature 2024, Vol. 34, (9) : 5989-5999
Byenfeldt, Marie; Kihlberg, Johan; Nasr, Patrik; et al.
[Neuromechanical characterisation of muscles and their functional units using ultrasound imaging methods] State-of-the-art and future perspectives
ISEK XXIV Abstract book
Rohlén, Robin; Lubel, Emma; Grönlund, Christer; et al.
Aortic arterial stiffness associates with carotid intima-media thickness and carotid plaques in younger middle-aged healthy people
Blood Pressure, Taylor & Francis 2024, Vol. 33, (1)
Söderström, Martina; Grönlund, Christer; Liv, Per; et al.
Leveraging GANs for data scarcity of COVID-19: Beyond the hype
2023 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), IEEE Computer Society 2023 : 659-667
Ali, Hazrat; Grönlund, Christer; Shah, Zubair
Translation of atherosclerotic disease features onto healthy carotid ultrasound images using domain-to-domain translation
Biomedical Signal Processing and Control, Vol. 85
Ali, Hazrat; Nyman, Emma; Näslund, Ulf; et al.
Multi-view carotid ultrasound is stronger associated with cardiovascular risk factors than presence of plaque or single carotid intima media thickness measurements in subclinical atherosclerosis
The International Journal of Cardiovascular Imaging, Springer Nature 2023, Vol. 39, (8) : 1461-1471
Bengtsson, Anna; Nyman, Emma; Grönlund, Christer; et al.
Early adulthood exercise capacity, but not muscle strength, associates with subclinical atherosclerosis 40 years later in Swedish men
European Journal of Preventive Cardiology, Oxford University Press 2023, Vol. 30, (5) : 407-415
Fortuin-de Smidt, Melony; Bergman, Frida; Grönlund, Christer; et al.
Ultrafast ultrasound imaging can be used to access single motor units in deep muscles, but the underlying biomechanical source remains to be understood
Journal of Electromyography & Kinesiology, Elsevier 2023, Vol. 71
Grönlund, Christer; Rohlén, Robin
Reduced progression of carotid intima media thickness by personalised pictorial presentation of subclinical atherosclerosis in VIPVIZA: A randomised controlled trial
Clinical Physiology and Functional Imaging, John Wiley & Sons 2023, Vol. 43, (4) : 232-241
Nyman, Emma; Grönlund, Christer; Vanoli, Davide; et al.
Carotid wall echogenicity at baseline associates with accelerated vascular aging in a middle-aged population
The International Journal of Cardiovascular Imaging, Springer Science+Business Media B.V. 2023, Vol. 39, (3) : 575-583
Nyman, Emma; Liv, Per; Wester, Per; et al.
Quantifying the spatial distribution of individual muscle units using high-density surface EMG and ultrafast ultrasound
ECSS Paris 2023 Oral presentations: Biomechanics & Motor control
Rohlén, Robin; Carbonaro, Marco; Botter, Alberto; et al.
Spatially repeatable components from ultrafast ultrasound are associated with motor unit activity in human isometric contractions
Journal of Neural Engineering, Institute of Physics (IOP) 2023, Vol. 20, (4) : 046016-
Rohlén, Robin; Carbonaro, Marco; Cerone, Giacinto Luigi; et al.
Interframe Echo Intensity Variation of Subregions and Whole Plaque in Two-Dimensional Carotid Ultrasonography: Simulations and in Vivo Observations
Journal of ultrasound in medicine, John Wiley & Sons 2023, Vol. 42, (5) : 1033-1046
Rohlén, Robin; Jiang, Biao; Nyman, Emma; et al.
Unsupervised segmentation and data augmentation in image sequences of skeletal muscle contraction by cycle-consistent generative adversarial network
2023 international conference on modeling, simulation & intelligent computing (MoSICom), IEEE 2023 : 474-479
Saboori, Arash; Grönlund, Christer
Modelling intra-muscular contraction dynamics using in silico to in vivo domain translation
Biomedical engineering online, BioMed Central (BMC) 2022, Vol. 21, (1)
Ali, Hazrat; Umander, Johannes; Rohlén, Robin; et al.
R2U++: a multiscale recurrent residual U-Net with dense skip connections for medical image segmentation
Neural Computing & Applications, Springer Nature 2022, Vol. 34, (20) : 17723-17739
Mubashar, Mehreen; Ali, Hazrat; Grönlund, Christer; et al.
Long-term exposure to particulate air pollution and presence and progression of carotid artery plaques: A northern Sweden VIPVIZA cohort study
Environmental Research, Elsevier 2022, Vol. 211
Nilsson Sommar, Johan; Norberg, Margareta; Grönlund, Christer; et al.
Optimization and comparison of two methods for spike train estimation in an unfused tetanic contraction of low threshold motor units
Journal of Electromyography & Kinesiology, Elsevier 2022, Vol. 67
Rohlén, Robin; Antfolk, Christian; Grönlund, Christer
Estimation of contractile parameters of successive twitches in unfused tetanic contractions of single motor units – A proof-of-concept study using ultrafast ultrasound imaging in vivo
Journal of Electromyography & Kinesiology, Elsevier 2022, Vol. 67
Rohlén, Robin; Raikova, Rositsa; Stålberg, Erik; et al.
Comparison of decomposition algorithms for identification of single motor units in ultrafast ultrasound image sequences of low force voluntary skeletal muscle contractions
BMC Research Notes
Rohlén, Robin; Yu, Jun; Grönlund, Christer
The beneficial effect over 3 years by pictorial information to patients and their physician about subclinical atherosclerosis and cardiovascular risk: results from the VIPVIZA randomized clinical trial
American Journal of Preventive Cardiology, Elsevier 2021, Vol. 7
Bengtsson, Anna; Norberg, Margareta; Ng, Nawi; et al.
A Deep Learning Pipeline for Identification of Motor Units in Musculoskeletal Ultrasound
IEEE Access, IEEE 2020, Vol. 8 : 170595-170608
Ali, Hazrat; Umander, Johannes; Rohlén, Robin; et al.
Imaging carotid wall mechanical heterogeneity in ultrasound image sequences using Eulerian video magnification
Proceedings - IEEE 20th International Conference on Bioinformatics and Bioengineering, BIBE 2020, IEEE 2020 : 785-788
Jiang, Biao; Ali, Hazrat; Grönlund, Christer
Segmentation of Lungs in Chest X-Ray Image Using Generative Adversarial Networks
IEEE Access, Institute of Electrical and Electronics Engineers (IEEE) 2020, Vol. 8 : 153535-153545
Munawar, Faizan; Azmat, Shoaib; Iqbal, Talha; et al.
Inter-sonographer reproducibility of carotid ultrasound plaque detection using Mannheim consensus in subclinical atherosclerosis
Clinical Physiology and Functional Imaging, John Wiley & Sons 2020, Vol. 40, (1) : 46-51
Nyman, Emma; Vanoli, Davide; Näslund, Ulf; et al.
Identification of single motor units in skeletal muscle under low force isometric voluntary contractions using ultrafast ultrasound
Scientific Reports, Springer Nature 2020, Vol. 10
Rohlén, Robin; Stålberg, Erik; Grönlund, Christer
A Method for Identification of Mechanical Response of Motor Units in Skeletal Muscle Voluntary Contractions using Ultrafast Ultrasound Imaging: Simulations and Experimental Tests
IEEE Access, IEEE 2020, Vol. 8 : 50299-50311
Rohlén, Robin; Stålberg, Erik; Stoverud, Karen-Helene; et al.
Imaging recruitment of motor units in voluntary skeletal muscle contractions using decomposition and ultrafast ultrasound imaging: A pilot study
2020 ISEK Virtual Congress Poster Abstract Booklet, International Society of Electrophysiology and Kinesiology 2020 : 141-142
Rohlén, Robin; Stålberg, Erik; Yu, Jun; et al.
Ultrasound risk marker variability in symptomatic carotid plaque: impact on risk reclassification and association with temporal variation pattern
The International Journal of Cardiovascular Imaging, Springer 2020, Vol. 36, (6) : 1061-1068
Stenudd, Isak; Sjödin, Elias; Nyman, Emma; et al.
Bilateral carotid intima media thickness (cIMT) and plaque measurements was stronger associated with cardiovascular risk factors than unilateral measurements: Results from the VIPVIZA trial
European Heart Journal, Oxford University Press 2019, Vol. 40 : 2036-2036
Lundgren, A.; Nyman, Emma; Norberg, Margareta; et al.
Classification of pronounced subclinical atherosclerosis: deep learning approach of carotid intima media ultrasound images is superior to clinical risk factors
European Heart Journal, Oxford University Press 2019, Vol. 40 : 2050-2050
Nyman, Emma; Karlsson, Mikael; Näslund, Ulf; et al.
Visualization of asymptomatic atherosclerotic disease for optimum cardiovascular prevention (VIPVIZA): a pragmatic, open-label, randomised controlled trial
The Lancet, Elsevier 2019, Vol. 393, (10167) : 133-142
Näslund, Ulf; Ng, Nawi; Lundgren, Anna; et al.
Ultrafast Ultrasound Imaging of Motor Units in Skeletal Muscle during Voluntary Contractions – A Pilot Validation Study by using Needle-EMG
41st International Engineering in Medicine and Biology Conference, Berlin, Germany, July 23-27, 2019
Rohlén, Robin; Stålberg, Erik; Grönlund, Christer
Carotid IM-GSM is better than IMT for identifying patients with multiple arterial disease
Scandinavian Cardiovascular Journal, Taylor & Francis Group 2018, Vol. 52, (2) : 93-99
Jashari, Fisnik; Ibrahimi, Pranvera; Johansson, Elias; et al.
Carotid near-occlusion frequently has high peak systolic velocity on Doppler ultrasound
Neuroradiology, Springer 2018, Vol. 60, (1) : 17-25
Khangure, Simon R.; Benhabib, Hadas; Machnowska, Matylda; et al.
Precontractile optical response during excitation-contraction in human muscle revealed by non-invasive high-speed spatiotemporal NIR measurement
Scientific Reports, Nature Publishing Group 2018, Vol. 8
Lindkvist, Markus; Granåsen, Gabriel; Grönlund, Christer
Risk marker variability in subclinical carotid plaques based on ultrasound is influenced by cardiac phase, echogenicity and size
Ultrasound in Medicine and Biology, Elsevier 2018, Vol. 44, (8) : 1742-1750
Nyman, Emma; Lindqvist, Per; Näslund, Ulf; et al.
Ultrasound-based Imaging of Motor Units in Skeletal Muscle Tissue
Medicinteknikdagarna 2018, 9-10 oktober, Umeå
Rohlén, Robin; Stålberg, Erik; Stoverud, Karen-Helene; et al.
Right and left heart dysfunction predict mortality in pulmonary hypertension
Clinical Physiology and Functional Imaging, Wiley-Blackwell 2017, Vol. 37, (1) : 45-51
Henein, Michael Y; Grönlund, Christer; Tossavainen, Erik; et al.
Segmentation of Motor Unit Territories in Ultrasound Image Sequences of Contracting Skeletal Muscle Tissue
Medicinteknikdagarna 2017, 10-11 oktober, Västerås
Rohlén, Robin; Stoverud, Karen-Helene; Yu, Jun; et al.
Carotid plaque echogenicity predicts cerebrovascular symptoms: a systematic review and meta-analysis
European Journal of Neurology, Vol. 23, (7) : 1241-1247
Jashari, Fisnik; Ibrahimi, Pranvera; Bajraktari, Gani; et al.
Area measurement of carotid plaque comparing B-MODE, Doppler color and contrast-enhanced ultrasound imaging
Atherosclerosis, Elsevier 2016, Vol. 252 : E191-E191
Nyman, Emma; Vanoli, Davide; Grönlund, Christer; et al.
Left Atrial Intrinsic Strain Rate Correcting for Pulmonary Wedge Pressure Is Accurate in Estimating Pulmonary Vascular Resistance in Breathless Patients
Echocardiography, Wiley-Blackwell 2016, Vol. 33, (8) : 1156-1165
Tossavainen, Erik; Henein, Michael Y; Grönlund, Christer; et al.
Can echocardiography and ECG discriminate hereditary transthyretin V30M amyloidosis from hypertrophic cardiomyopathy?
Amyloid: Journal of Protein Folding Disorders, Vol. 22, (3) : 163-170
Gustavsson, Sandra; Granåsen, Gabriel; Grönlund, Christer; et al.
Common carotid intima-media features determine distal disease phenotype and vulnerability in asymptomatic patients
International Journal of Cardiology, Vol. 196 : 22-28
Ibrahimi, Pranvera; Jashari, Fisnik; Johansson, Elias; et al.
Common carotid intima-media measurements determine distal disease structure and vulnerability in asymptomatic patients
Atherosclerosis, Vol. 241, (1) : E164-E164
Ibrahimi, Pranvera; Jashari, Fisnik; Johansson, Elias; et al.
Carotid im-gsm is related to multisite atherosclerosis disease
Atherosclerosis, Vol. 241, (1) : E164-E164
Jashari, Fisnik; Ibrahimi, Pranvera; Johansson, Elias; et al.
Absolute quantifications of oxy- and deoxyhemoglobin concentrations by combination of differentially resolved spectroscopy and spatially resolved spectroscopy
Spectroscopy Letters, Taylor & Francis 2015, Vol. 48, (3) : 170-172
Lindkvist, Markus; Grönlund, Christer
Carotid artery plaque assessment within the Västerbotten intervention programme: VIPVIZA
Atherosclerosis, Vol. 241, (1) : E159-E159
Nyman, Emma; Grönlund, Christer; Vanoli, Davide; et al.
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