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Viser treff 1-47 av 47

2019
1 Elvebakk, Ole; Tronstad, Christian; Birkeland, Kåre I.; Jenssen, Trond Geir; Bjørgaas, Marit Ragnhild Rokne; Gulseth, Hanne Løvdal; Kalvøy, Håvard; Høgetveit, Jan Olav; Martinsen, Ørjan Grøttem.
A multiparameter model for non-invasive detection of hypoglycemia. Physiological Measurement 2019 ;Volum 40:085004.(8) s. 1-14
FHI NTNU OUS STO UiO UiT Untitled
 
2 Martinsen, Tormod; Pettersen, Fred-Johan; Kalvøy, Håvard; Tronstad, Christian; Kvarstein, Gunnvald; Bakken, André; Høgetveit, Jan Olav; Martinsen, Ørjan Grøttem; Grimnes, Sverre; Frich, Lars Inge.
Electrosurgery and temperature increase in tissue with a passive metal implant. Frontiers in surgery 2019 ;Volum 6:8. s. 1-8
OUS UiO UiT Untitled
 
3 Tronstad, Christian; Elvebakk, Ole; Staal, Odd Martin; Kalvøy, Håvard; Høgetveit, Jan Olav; Jenssen, Trond Geir; Birkeland, Kåre I.; Martinsen, Ørjan Grøttem.
Non-invasive prediction of blood glucose trends during hypoglycemia. Analytica Chimica Acta 2019 ;Volum 1052. s. 37-48
NTNU OUS UiO UiT Untitled
 
2018
4 Strand-Amundsen, Runar James; Reims, Henrik Mikael; Reinholt, Finn P.; Ruud, Tom Erik; Yang, Runkuan; Høgetveit, Jan Olav; Tønnessen, Tor Inge.
Ischemia/reperfusion injury in porcine intestine - Viability assessment. World Journal of Gastroenterology 2018 ;Volum 24.(18) s. 2009-2023
OUS UiO VV Untitled
 
5 Strand-Amundsen, Runar James; Tronstad, Christian; Kalvøy, Håvard; Ruud, Tom Erik; Høgetveit, Jan Olav; Martinsen, Ørjan Grøttem; Tønnessen, Tor Inge.
Small intestinal ischemia and reperfusion - Bioimpedance measurements. Physiological Measurement 2018 ;Volum 39.(2) s. -
OUS UiO VV Untitled
 
6 Strand-Amundsen, Runar James; Tronstad, Christian; Reims, Henrik Mikael; Reinholt, Finn P.; Høgetveit, Jan Olav; Tønnessen, Tor Inge.
Machine learning for intraoperative prediction of viability in ischemic small intestine. Physiological Measurement 2018 ;Volum 39.(10) s. 1-16
OUS UiO Untitled
 
2017
7 Strand-Amundsen, Runar James; Reims, Henrik Mikael; Tronstad, Christian; Kalvøy, Håvard; Martinsen, Ørjan Grøttem; Høgetveit, Jan Olav; Ruud, Tom Erik; Tønnessen, Tor Inge.
Ischemic small intestine - In vivo versus ex vivo bioimpedance measurements. Physiological Measurement 2017 ;Volum 38.(5) s. 715-728
OUS UiO VV Untitled
 
2016
8 Pettersen, Fred Johan; Martinsen, Ørjan Grøttem; Høgetveit, Jan Olav; Flattum, M.; Kalvøy, Håvard; Odland, Hans Henrik.
Using pacemaker leads for bioimpedance and electromyography. Proceedings of the 16th International Conference on Electrical Bioimpedance 2016 s. 73-
OUS UiO Untitled
 
9 Pettersen, Fred Johan; Martinsen, Ørjan Grøttem; Høgetveit, Jan Olav; Kalvøy, Håvard; Odland, Hans Henrik.
Bioimpedance spectroscopy of temporal impedance changes in a beating heart. Biomedical engineering and physics express 2016 ;Volum 2.
OUS UiO Untitled
 
10 Strand-Amundsen, Runar James; Tronstad, Christian; Kalvøy, Håvard; Gundersen, Yngvar; Krohn, Claus Danckert; Aasen, Ansgar Oddne; Holhjem, Lars; Reims, Henrik Mikael; Martinsen, Ørjan Grøttem; Høgetveit, Jan Olav; Ruud, Tom Erik; Tønnessen, Tor Inge.
In vivo characterization of ischemic small intestine using bioimpedance measurements. Physiological Measurement 2016 ;Volum 37.(2) s. 257-275
FFI USN OUS UiO VV Untitled
 
11 Strand-Amundsen, Runar James; Tronstad, Christian; Martinsen, Ørjan Grøttem; Høgetveit, Jan Olav; Ruud, TE; Tønnessen, Tor Inge.
Bioimpedance - in vivo vs in vitro ischemic small intestine. Proceedings of the 16th International Conference on Electrical Bioimpedance 2016 s. 53-
OUS UiO Untitled
 
12 Tronstad, Christian; Elvebakk, Ole; Martinsen, Ørjan Grøttem; Kalvøy, Håvard; Høgetveit, Jan Olav.
Bioimpedance for prediction of hypoglycemic trends. Proceedings of the 16th International Conference on Electrical Bioimpedance 2016 s. -
OUS UiO Untitled
 
2015
13 Elvebakk, Ole; Tronstad, Christian; Gulseth, Hanne Løvdal; Jenssen, Trond Geir; Bjørgaas, Marit Ragnhild Rokne; Høgetveit, Jan Olav; Martinsen, Ørjan Grøttem; Birkeland, Kåre I..
Physiological and symptomatic responses to hypoglycemia in patients with impaired awareness. Meeting of Scand. Soc. for the Study of Diabetes; 2015-04-24 - 2015-04-26
NTNU OUS UiO UiT Untitled
 
14 Pettersen, Fred Johan; Høgetveit, Jan Olav.
Optically isolated current source. Journal of Electrical Bioimpedance 2015 ;Volum 6.(1) s. 18-21
OUS UiO Untitled
 
15 Pettersen, Fred Johan; Martinsen, Tormod; Høgetveit, Jan Olav; Martinsen, Ørjan Grøttem.
Unintentional heating at implants when using electrosurgery. IEEE EMBC; 2015-08-25 - 2015-08-30
OUS UiO Untitled
 
16 Pettersen, Fred Johan; Martinsen, Tormod; Høgetveit, Jan Olav; Martinsen, Ørjan Grøttem.
Unintentional heating at implants when using electrosurgery. IEEE Engineering in Medicine and Biology Society. Conference Proceedings 2015 s. 5805-5808
OUS UiO Untitled
 
2014
17 Pettersen, Fred Johan; Ferdous, Humayra; Kalvøy, Håvard; Martinsen, Ørjan Grøttem; Høgetveit, Jan Olav.
Comparison of four different FIM configurations - A simulation study. Physiological Measurement 2014 ;Volum 35.(6) s. 1067-1082
OUS UiO Untitled
 
2013
18 Elvebakk, Ole; Tronstad, Christian; Høgetveit, Jan Olav; Jenssen, Trond Geir; Bjørgaas, Marit; Martinsen, Ørjan Grøttem.
Sweating reactions due to hypoglycemia detected by skin AC conductance. ICEBI 2013; 2013-04-22 - 2013-04-25
NTNU OUS UiO UiT Untitled
 
19 ; Gunnlaugsdottir, Helga.
Spectroscopic determination of pH in an arterial line from a Heart-lung machine. KTH, School of Technology and Health (STH): KTH, School of Technology and Health (STH 2013 58 s.
OSLOMET UiO Untitled
 
20 Tronstad, Christian; Elvebakk, Ole; Høgetveit, Jan Olav; Jenssen, Trond Geir; Bjørgaas, Marit Ragnhild Rokne; Martinsen, Ørjan Grøttem.
Monitoring of sweat activity for detection of severe hypoglycemia – A pilot study. IEEE EMBC; 2013-07-03 - 2013-07-07
NTNU OUS UiO UiT Untitled
 
2012
21 .
Noninvasiv pH-måling ved bruk av hjertelungemaskin. Oslo: DUO Digitale utgivelser ved UiO 2012 71 s.
OSLOMET UiO Untitled
 
2011
22 Høgetveit, Jan Olav; Saatvedt, Kjell; Norum, Hilde Margrethe; Kristiansen, Frode; Elvebakk, Ole; Dahle, Gry; Geiran, Odd.
Central venous catheters may be a potential source of massive air emboli during vascular procedures involving extracorporeal circulation: an experimental study. Perfusion 2011 ;Volum 26.(4) s. 341-346
OUS UiO Untitled
 
23 Pettersen, Fred Johan; Høgetveit, Jan Olav.
From 3D tissue data to impedance using Simpleware ScanFE+IP and COMSOL Multiphysics – a tutorial. Journal of Electrical Bioimpedance 2011 ;Volum 2. s. 13-32
OUS Untitled
 
2010
24 Pettersen, Fred Johan; Martinsen, Ørjan Grøttem; Grimnes, Sverre; Høgetveit, Jan Olav.
Impedance measurement set-up based on off-the-shelf PXI modules. Journal of Physics: Conference Series 2010 ;Volum 224. s. -
OUS UiO Untitled
 
2009
25 Høgetveit, Jan Olav; Kristiansen, Frode; Røislien, Jo.
A novel method for indirectly monitoring arterial pO(2) during cardiopulmonary bypass. Journal of Medical Engineering & Technology 2009 ;Volum 33.(7) s. 567-574
OUS UiO Untitled
 
2008
26 Høgetveit, Jan Olav.
Information Technology Applications for Medical Devices Related to Surgical Operations. Universitetet i Oslo 2008 132 s.
UiO Untitled
 
2007
27 Imenes, Kristin; Aasmundtveit, K; Husa, EM; Høgetveit, Jan Olav; Halvorsen, Steinar; Elle, Ole Jakob; Mirtaheri, Peyman; Fosse, Erik; Hoff, L.
Assembly and packaging of a three-axis micro accelerometer used for detection of heart infarction. Biomedical microdevices 2007 ;Volum 9. s. 951-957
USN UiO Untitled
 
28 Imenes, Kristin; Aasmundtveit, Knut E.; Husa, Ellen Marie; Høgetveit, Jan Olav; Halvorsen, Steinar; Elle, Ole Jakob; Fosse, Erik; Hoff, Lars.
Packaging of an implantable accelerometer for measurements of heart motion. I: Packaging of an implantable accelerometer for measurements of heart motion. Oulu, Finland: 2007 s. 697-702
USN NTNU Untitled
 
29 Imenes, Kristin; Aasmundtveit, Knut E.; Husa, Ellen Marie; Høgetveit, Jan Olav; Halvorsen, Steinar; Elle, Ole Jakob; Fosse, Erik; Hoff, Lars.
Packaging of an implantable accelerometer for measurements of heart motion. The 16th European Microelectronics and Packaging Conference & Exhibition; 2007-06-17 - 2007-06-20
USN NTNU Untitled
 
30 Imenes, Kristin; Aasmundtveit, Knut E.; Husa, Ellen Marie; Høgetveit, Jan Olav; Halvorsen, Steinar; Elle, Ole Jakob; Mirtaheri, Peyman; Fosse, Erik; Hoff, Lars.
Assembly and packaging of a three-axis micro accelerometer used for detection of heart infarction. Biomedical microdevices 2007 ;Volum 9. s. 951-957
USN NTNU Untitled
 
2006
31 Øyri, Karl; Balasingham, Ilangko; Samset, Eigil; Høgetveit, Jan Olav; Fosse, Erik.
Wireless continuous arterial blood pressure monitoring during surgery: a pilot study. Anesthesia and Analgesia 2006 ;Volum 102.(2) s. 478-483
UiO Untitled
 
2005
32 Samset, Eigil; Høgetveit, Jan Olav; Ten Cate, Gerben; Hirschberg, Henry.
Integrated neuronavigation system with intraoperative image updating. Minimally Invasive Neurosurgery 2005 ;Volum 48.(2) s. 73-76
UiO Untitled
 
2003
33 Høgetveit, Jan Olav; Øyri, Karl; Balasingham, Ilangko; Sveen, Ola Halvor.
Implications ofUsing Invasive Wireless Blood Preesure-Sensors in a Clinical Environment. World Congress on Medical Physics and Biomedical Engineering; 2003-08-24 - 2003-08-29
UiO Untitled
 
34 Øyri, Karl; Balasingham, Ilangko; Høgetveit, Jan Olav.
Den trådløse pasienten. : Scandinavian conference in Health Informatics 2003 (ISBN 82-7117-507-6) 5 s.
UiO Untitled
 
2002
35 Aasen, Ansgar Oddne; Næss, Leif; Høgetveit, Jan Olav; Sveen, Ola Halvor.
Ewicum, a Unique ICU Monitoring System for Early Warning and Decision Support. Advanced Technology Application for Combat Causuality Care; 2002-09-10
UiO Untitled
 
2000
36 Elle, Ole Jakob; Samset, Eigil; Bakken, Andre; Høgetveit, Jan Olav; Fosse, Erik.
Head-tracking in scopic surgical procedures using Robot-held camera and head-mounted stereoscopic display. I: Procedings of the 14th International Congress and Exhibition - Computer Assisted Radiology and Surgery (CARS 2000), ICS 1214. : 2000 ISBN 0-444-50536-9. s. 121-127
UiO Untitled
 
37 Elle, Ole Jakob; Samset, Eigil; Bakken, Andre; Høgetveit, Jan Olav; Fosse, Erik.
Head-tracking in scopic surgical procedures using Robot-held camera and head-mounted stereoscopic display. CARS 2000, Computer Assisted Radiology and Surgery, ICS 1214; 2000-07-01
UiO Untitled
 
1998
38 Høgetveit, Jan Olav; Sveen, Ola Halvor; Aasen, Ansgar Oddne.
EWICUM - Early Warning Intensive Care Unit Monitoring System. 10. European Congress of Anaesthesiology; 1998-01-01
UiO Untitled
 
1997
39 Aasen, Ansgar Oddne; Solberg, Rigmor; Høgetveit, Jan Olav; Sveen, Ola Halvor.
Protease cascades in intraabdominal infection. Fourth International Congress on the Immune Consequences of Trauma, Shock and Sepsis; 1997-01-01
UiO Untitled
 
40 Høgetveit, Jan Olav.
En datapresentasjonsform spesialtilpasset intensivmedisinen. Universitetet i Oslo 1997 500 s.
UiO Untitled
 
41 Sveen, Ola Halvor; Høgetveit, Jan Olav; Aasen, Ansgar Oddne.
EWICUM - Early Warning Intensive Care Unit Monitoring. 6th Vienna Shock Forum; 1997-01-01
UiO Untitled
 
42 Sveen, Ola Halvor; Høgetveit, Jan Olav; Aasen, Ansgar Oddne.
EWICUM, an early warning monitoring system for data presentation in the ICU. I: The Immune Consequences of Traum, Shock and Sepsis. : Monduzzi editore, Italy 1997 ISBN 88-323-0304-3. s. 717-720
UiO Untitled
 
43 Sveen, Ola Halvor; Høgetveit, Jan Olav; Aasen, Ansgar Oddne.
EWICUM, an Early Warning Monitorng System for Data Presentation in the ICU. Fourth International Congress on the Immune Consequences of Trauma, Shock and Sepsis; 1997-01-01
UiO Untitled
 
44 Sveen, Ola Halvor; Høgetveit, Jan Olav; Aasen, Ansgar Oddne.
EWICUM, Early Warning Intensive Care Unit Monitoring System. 7th World Congress of Intensive & Critical Care Medicine; 1997-01-01
UiO Untitled
 
45 Sveen, Ola Halvor; Høgetveit, Jan Olav; Aasen, Ansgar Oddne.
The EWICUM Data Presentation System. European Research Network on Surgical Infections; 1997-01-01
UiO Untitled
 
1996
46 Aasen, Ansgar Oddne; Sveen, Ola Halvor; Høgetveit, Jan Olav.
Data Presentation in the Surgical Intensive Care Unit. Development of a Data Presentation System for Critical Biochemical Variables and Scoring Systems. 9th Annual Meeting of the Surgical Infection Society -Europe-; 1996-01-01
UiO Untitled
 
47 Sveen, Ola Halvor; Høgetveit, Jan Olav; Aasen, Ansgar Oddne.
An intensive care unit data presentation system for critical biochemical variables and scoring systems. Vienna International Anesthesiology & Intensive Care Congress; 1996-01-01
UiO Untitled