Cristin

2023
1.	Hjertaas, Johannes Just; Einarsen, Eigir; Gerdts, Eva; Kokorina, Marina Victorovna; Moen, Christian Arvei; Urheim, Stig; Saeed, Sahrai; Matre, Knut. Impact of aortic valve stenosis on myocardial deformation in different left ventricular levels: A three-dimensional speckle tracking echocardiography study. Echocardiography 2023 s. - UiB HAUKELAND Untitled
2022
2.	Kovac, Nina; Grymyr, Lisa Marie Dale; Gerdts, Eva; Nadirpour, Saied; Nedrebø, Bjørn Gunnar; Hjertaas, Johannes Just; Matre, Knut; Cramariuc, Dana. Markers of Subclinical Atherosclerosis in Severe Obesity and One Year after Bariatric Surgery. Journal of Clinical Medicine 2022 ;Volum 11.(8) s. - UiB HAUKELAND HELSEFONNA Untitled
2021
3.	Einarsen, Eigir; Hjertaas, Johannes Just; Gu, Haotian; Matre, Knut; Chowienczyk, Philip J.; Gerdts, Eva; Chambers, John B.; Saeed, Sahrai. Impact of arterio-ventricular interaction on first-phase ejection fraction in aortic stenosis. European Heart Journal-Cardiovascular Imaging 2021 ;Volum 22.(6) s. 1-8 UiB HAUKELAND Untitled

4.	Grymyr, Lisa Marie Dale; Nadirpour, Saied; Gerdts, Eva; Nedrebø, Bjørn Gunnar; Hjertaas, Johannes Just; Matre, Knut; Cramariuc, Dana. One-year impact of bariatric surgery on left ventricular mechanics: results from the prospective FatWest study. European Heart Journal Open (EHJ Open) 2021 ;Volum 1.(2) UiB HELSEFONNA HAUKELAND Untitled
2020
5.	Grymyr, Lisa Marie Dale; Nadirpour, Saied; Gerdts, Eva; Nedrebø, Bjørn Gunnar; Hjertaas, Johannes Just; Matre, Knut; Cramariuc, Dana. Left ventricular myocardial oxygen demand and subclinical dysfunction in patients with severe obesity referred for bariatric surgery. NMCD. Nutrition Metabolism and Cardiovascular Diseases 2020 s. 1-9 HAUKELAND HELSEFONNA UiB Untitled
2019
6.	Hjertaas, Johannes Just; Matre, Knut. A left ventricular phantom for 3D echocardiographic twist measurements. Biomedizinische Technik 2019 UiB Untitled
2016
7.	Hjertaas, Johannes Just; Matre, Knut. A twisting left ventricular ultrasound phantom for evaluation of 3D speckle tracking twist measurements. European Heart Journal, Supplement 2016 ;Volum 17. Suppl. 2 s. ii51-ii51 UiB Untitled

8.	Khan, Muhammad Umael; Hjertaas, Johannes Just; Greve, Gottfried; Matre, Knut. Optimal acquisition settings for speckle tracking echocardiography-derived strains in infants: An in vitro study. Ultrasound in Medicine and Biology 2016 ;Volum 42.(7) s. 1660-1670 HAUKELAND UiB Untitled
2015
9.	Cramariuc, Dana; Gerdts, Eva; Hjertaas, Johannes Just; Cramariuc, Alexandru; Davidsen, Einar Skulstad; Matre, Knut. Myocardial function in aortic stenosis - insights from radial multilayer Doppler strain. Cardiovascular Ultrasound 2015 ;Volum 13.(8) s. - UiB HAUKELAND Untitled

10.	Khan, Umael; Hjertaas, Johannes Just; Greve, Gottfried; Matre, Knut. Optimizing speckle tracking echocardiography strain measurements in infants: an in-vitro phantom study. European Heart Journal-Cardiovascular Imaging 2015 ;Volum 16.(16) Suppl. 2 s. 102-129 UiB Untitled
2013
11.	Hjertaas, Johannes Just; Fosså, Henrik; Dybdahl, Grete Lunestad; Grüner, Renate; Lunde, Per; Matre, Knut. Accuracy of real-time single- and multi-beat 3-D speckle tracking echocardiography in vitro. Ultrasound in Medicine and Biology 2013 ;Volum 39.(6) s. 1006-1014 UiB Untitled

12.	Moen, Christian Arvei; Salminen, Pirjo-Riitta; Dahle, Geir Olav; Hjertaas, Johannes Just; Grong, Ketil; Matre, Knut. Is strain by Speckle Tracking Echocardiography dependent on user controlled spatial and temporal smoothing? An experimental porcine study. Cardiovascular Ultrasound 2013 ;Volum 11:32. s. - UiB HAUKELAND Untitled

13.	Moen, Christian Arvei; Salminen, Pirjo-Riitta; Dahle, Geir Olav; Hjertaas, Johannes Just; Grong, Ketil; Matre, Knut. Multi-layer radial systolic strain vs. one-layer strain for confirming reperfusion from a significant non-occlusive coronary stenosis. European Heart Journal-Cardiovascular Imaging 2013 ;Volum 14.(1) s. 24-37 UiB HAUKELAND Untitled