Research

Our technology and proof of concept are founded in a series of published clinical studies and peer reviewed papers.

Continuous cerebral Doppler monitoring in infants with congenital heart disease

Martin Leth-Olsen

Original Research paper

Perioperative Detection of Cerebral Fat Emboli From Bone Using High-Frequency Doppler Ultrasound

Anders Hagen Jarmund, Steinar Kristiansen, Martin Leth-Olsen, Christina Vogt, Ingunn Nervik, Hans Torp, Erik Waage Nielsen, Siri Ann Nyrnes.

Original Research paper

Instant Detection of Cerebral Blood Flow Changes in Infants with Congenital Heart Disease during Transcatheter Interventions

Martin Leth-Olsen,Gaute Døhlen,Hans Torp and Siri Ann Nyrnes

Original Research paper

Cerebral blood flow dynamics during cardiac surgery in infants

Comment

Original research paper: ResQDoppler

Real-time feedback on chest compression efficacy by hands-free carotid Doppler in a porcine model

Bjørn O. Faldaas, Erik W. Nielsen, Benjamin S. Storm, Knut T. Lappegård, Bent A. Nilsen, Gabriel Kiss, Eirik Skogvoll, Hans Torp, Charlotte Ingul. Resuscitation Plus, Volume 18, June 2024, 100583

Conference presentation/Abstract: ResQDoppler

Real Time Feedback of Chest Compressions by Hands-Free Carotid Doppler in a Porcine Model

Bjørn Faldaas, Erik Nielsen, Benjamin S Storm, Knut Tore Lappegård, Ole-jakob How, Bent Aksel Nilsen, Gabriel Kiss, Eirik Skogvoll, Hans Torp and Charlotte B Ingul

Conference presentation/Abstract

8th World Congress of Pediatric Cardiology and Cardiac Surgery 2023

Dynamic Autoregulation in Infants Undergoing Cardiac Surgery

Leth-Olsen, M; Døhlen, G; Torp, H; Nyrnes, SA.

Conference presentation/Abstract

8th World Congress of Pediatric Cardiology and Cardiac Surgery 2023

Cerebral Blood Flow Monitoring for Instant Display of Circulatory Events During Cardiac Surgery

Klcovansky, J; Torp, H; Nyrnes, SA.

Popular science articles

Ultralyd kan hindre hjerneskade hos syke nyfødte og premature

From gemini.no, published 12.09.2023. Only available in norwegian.

Continuous monitoring of cerebral blood flow during general anaesthesia in infants

Sigrid D. Vik, Hans Torp, Anders H. Jarmund, Gabriel Kiss, Turid Follestad, Ragnhild Støen, Siri Ann Nyrnes. Doi: 10.1016/j.bjao.2023.100144 BJA Open, 6 (C): 100144 (2023) Received: 3 February 2023; Accepted: 22 April 2023

NeoDoppler: New ultrasound technology for continuous cerebral circulation monitoring in neonates

Vik SD, Torp H, Follestad T, Støen R, Nyrnes SA. NeoDoppler: New ultrasound technology for continous cerebral circulation monitoring in neonates. Pediatr Res. 2020 Jan;87(1):95-103. doi: 10.1038/s41390-019-0535-0. Epub 2019 Aug 12.

Effects of tilt on cerebral hemodynamics measured by NeoDoppler in healthy neonates

Jarmund AH, Ødegård SS, Torp H, Nyrnes SA. Effects of tilt on cerebral hemodynamics measured by NeoDoppler in healthy neonates. Pediatr Res. 2021 Oct;90(4):888-895.

Detection of Cerebral High-Intensity Transient Signals by NeoDoppler during Cardiac Catheterization and Cardiac Surgery in Infants

Leth-Olsen M, Døhlen G, Torp H, Nyrnes SA. Detection of Cerebral High-Intensity Transient Signals by NeoDoppler during Cardiac Catheterization and Cardiac Surgery in Infants. Ultrasound Med Biol. 2022 Jul;48(7):1256-1267.

Low frequency cerebral arterial and venous flow oscillations in healthy neonates measured by NeoDoppler

Ødegård SS, Torp H, Follestad T, Leth-Olsen M, Støen R, Nyrnes SA. Low frequency cerebral arterial and venous flow oscillations in healthy neonates measured by NeoDoppler. Front. Pediatr. 2022 Nov. doi: 10.3389/fped.2022.929117.

A Scoping Review of Cerebral Doppler Arterial Waveforms in Infants

Jarmund AH, Pedersen SA, Torp H, Dudink J, Nyrnes SA. A Scoping Review of Cerebral Doppler Arterial Waveforms in Infants. Ultrasound Med Biol. 2023 Apr;49(4):919-936. doi: 10.1016/j.ultrasmedbio.2022.12.007. Epub 2023 Jan 31.

Abstracts

Monitoring of cerebral high intensity transient signals during catheter interventions and surgery for congenital heart disease in infants using NeoDoppler

M. Leth-Olsen, G. Døhlen, H. Torp, S.A. Nyrnes. Poster EACVI Best In Imaging.

Low frequency cerebral arterial and venous flow oscillations in healthy neonates masured by NeoDoppler

S. S. Ødegård, H. Torp, T. Follestad, M. Leth-Olsen, R. Støen, S.A. Nyrnes. Low frequency oscillations PAS

NeoDoppler–Continuous cerebral blood flow monitoring during cardiac surgery and interventions in children with congenital heart disease

M. Leth-Olsen, G. Døhlen, Guro Grindheim, H. Torp, S.A. Nyrnes. NeoDoppler – Continuous cerebral blood flow monitoring – MLO

NeoDoppler monitoring of cerebral blood flow during general anesthesia in infants

Sigrid D. Vik, Hans Torp, Dr. Tech, Prof1, Ragnhild Støen, MD, PhD, Prof, and Siri Ann Nyrnes MD, PhD