Reproducibility of cerebral blood flow, oxygen metabolism, and lactate and N-acetyl-aspartate concentrations measured using magnetic resonance imaging and spectroscopy

Autor: Signe Sloth Madsen, Ulrich Lindberg, Sohail Asghar, Karsten Skovgaard Olsen, Kirsten Møller, Henrik Bo Wiberg Larsson, Mark Bitsch Vestergaard

Publikováno v: Frontiers in Physiology, Vol 14 (2023)

In humans, resting cerebral perfusion, oxygen consumption and energy metabolism demonstrate large intersubject variation regardless of methodology. Whether a similar large variation is also present longitudinally in individual subjects is much less s

Externí odkaz: https://doaj.org/article/a191034dc80949799e3c661e19ee34cb

Neuroplasticity induced by general anaesthesia: study protocol for a randomised cross-over clinical trial exploring the effects of sevoflurane and propofol on the brain – A 3-T magnetic resonance imaging study of healthy volunteers

Autor: Signe Sloth Madsen, Kirsten Møller, Karsten Skovgaard Olsen, Mark Bitsch Vestergaard, Ulrich Lindberg, Henrik Bo Wiberg Larsson, Johan Mårtensson, Mads U. Werner, Sofia Alexandra Gaspar Santos, Mohammad Sohail Asghar

Publikováno v: Trials, Vol 21, Iss 1, Pp 1-14 (2020)

Abstract Background Although used extensively worldwide, the effects of general anaesthesia on the human brain remain largely elusive. Moreover, general anaesthesia may contribute to serious conditions or adverse events such as postoperative cognitiv

Externí odkaz: https://doaj.org/article/3c234ebfd96b4e2a97525ca1867e6ce0

Neuroplasticity induced by general anaesthesia:study protocol for a randomised cross-over clinical trial exploring the effects of sevoflurane and propofol on the brain - A 3-T magnetic resonance imaging study of healthy volunteers

Autor: Johan Mårtensson, Mohammad Sohail Asghar, Ulrich Lindberg, Henrik Larsson, Mads U. Werner, Karsten Skovgaard Olsen, Mark B Vestergaard, Kirsten Møller, Signe Sloth Madsen, Sofia Alexandra Gaspar Santos

Publikováno v: Madsen, S S, Møller, K, Olsen, K S, Vestergaard, M B, Lindberg, U, Larsson, H B W, Mårtensson, J, Werner, M U, Santos, S A G & Asghar, M S 2020, ' Neuroplasticity induced by general anaesthesia : study protocol for a randomised cross-over clinical trial exploring the effects of sevoflurane and propofol on the brain-A 3-T magnetic resonance imaging study of healthy volunteers ', Trials, vol. 21, no. 1, 805 . https://doi.org/10.1186/s13063-020-04468-y
Trials
Trials, Vol 21, Iss 1, Pp 1-14 (2020)

Background Although used extensively worldwide, the effects of general anaesthesia on the human brain remain largely elusive. Moreover, general anaesthesia may contribute to serious conditions or adverse events such as postoperative cognitive dysfunc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::50fef2ca3b550e9c366a5116567fe74b
https://curis.ku.dk/ws/files/250547794/s13063_020_04468_y.pdf

Clinical evaluation of synthetic aperture harmonic imaging for scanning focal malignant liver lesions

Autor: Theis Lange, Kristoffer Lindskov Hansen, Paul Suno Krohn, Jørgen Arendt Jensen, Signe Sloth Madsen, Martin Christian Hemmsen, Andreas Hjelm Brandt, Michael Bachmann Nielsen, Peter Møller Hansen

Publikováno v: Brandt, A H, Hemmsen, M C, Hansen, P M, Madsen, S S, Krohn, P S, Lange, T, Hansen, K L, Jensen, J A & Bachmann, M 2015, ' Clinical evaluation of synthetic aperture harmonic imaging for scanning focal malignant liver lesions ', Ultrasound in Medicine & Biology, vol. 41, no. 9, pp. 2368-75 . https://doi.org/10.1016/j.ultrasmedbio.2015.05.008

The purpose of the study was to perform a clinical comparison of synthetic aperture sequential beamforming tissue harmonic imaging (SASB-THI) sequences with a conventional imaging technique, dynamic receive focusing with THI (DRF-THI). Both technique

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::86bc95829c17e2b6698c67256b54d437
https://orbit.dtu.dk/en/publications/b147fcc7-9220-46ff-8aaa-b6e387436950

Implementation of Tissue Harmonic Synthetic Aperture Imaging on a Commercial Ultrasound System

Autor: Martin Christian Hemmsen, Michael Bachmann Nielsen, Signe Sloth Madsen, Joachim Hee Rasmussen, Peter Muller Hansen, Jørgen Arendt Jensen

Publikováno v: Rasmussen, J, Hemmsen, M C, Madsen, S S, Hansen, P M, Nielsen, M B & Jensen, J A 2012, Implementation of Tissue Harmonic Synthetic Aperture Imaging on a Commercial Ultrasound System . in Proceedings of IEEE International Ultrasonics Symposium . IEEE, 2012 IEEE International Ultrasonics Symposium, Dresden, Saxony, Germany, 07/10/2012 .
Technical University of Denmark Orbit

This paper presents an imaging technique for synthetic aperture (SAI) tissue harmonic imaging (THI) on a commercial ultrasound system. Synthetic aperture sequential beamforming (SASB) is combined with a pulse inversion (PI) technique on a commercial

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::783b9f07cb9d8a84df35d7becc19b081
https://orbit.dtu.dk/en/publications/1ccb52c3-8e45-49a1-8c60-ed28b05a26c2