Search Results - "Pettersen, Fred Johan"

Detection of inflow obstruction in left ventricular assist devices by accelerometer: An in vitro study by Lilja, Didrik, Schalit, Itai, Espinoza, Andreas, Pettersen, Fred-Johan, Elle, Ole Jakob, Halvorsen, Per Steinar

“…•An accelerometer detects inflow obstructions in left ventricular assist devices.•Inflow obstructions-related vibrations emerge before the pump flow…”
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From 3D tissue data to impedance using Simpleware ScanFE+IP and COMSOL Multiphysics – a tutorial by Pettersen, Fred-Johan, Høgetveit, Jan Olav

“…Tools such as Simpleware ScanIP+FE and COMSOL Multiphysics allow us to gain a better understanding of bioimpedance measurements without actually doing the…”
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Detection of inflow obstruction in left ventricular assist devices by accelerometer: A porcine model study by Lilja, Didrik, Schalit, Itai, Espinoza, Andreas, Fiane, Arnt Eltvedt, Dahle, Gry, Littorin-Sandbu, Helen, Pettersen, Fred-Johan, Russell, Kristoffer E., Thiara, Amrit P.S., Elle, Ole Jakob, Halvorsen, Per Steinar

“…Left ventricular assist devices (LVAD) provide circulatory blood pump support for severe heart failure patients. Pump inflow obstructions may lead to stroke…”
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Experimental Estimation of Gap Thickness and Electrostatic Forces Between Contacting Surfaces Under Electroadhesion by AliAbbasi, Easa, Martinsen, Ørjan Grottem, Pettersen, Fred‐Johan, Colgate, James Edward, Basdogan, Cagatay

“…Electroadhesion (EA) is a promising technology with potential applications in robotics, automation, space missions, textiles, tactile displays, and some other…”
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Accelerometer Detects Pump Thrombosis and Thromboembolic Events in an In vitro HVAD Circuit by Schalit, Itai, Espinoza, Andreas, Pettersen, Fred-Johan, Thiara, Amrit P S, Karlsen, Hilde, Sørensen, Gro, Fosse, Erik, Fiane, Arnt E, Halvorsen, Per S

“…Pump thrombosis and stroke are serious complications of left ventricular assist device (LVAD) support. The aim of this study was to test the ability of an…”
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Detection of Thromboembolic Events and Pump Thrombosis in HeartWare HVAD Using Accelerometer in a Porcine Model by Schalit, Itai, Espinoza, Andreas, Pettersen, Fred-Johan, Snartland, Steinar, Ringdal, Mari-Ann L., Hoel, Tom N., Skulstad, Helge, Fosse, Erik, Fiane, Arnt E., Halvorsen, Per S.

“…We have recently demonstrated that accelerometer-based pump thrombosis and thromboembolic events detection is feasible in vitro. This article focuses on…”
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Measuring Blood Pulse Wave Velocity with Bioimpedance in Different Age Groups by Aria, Shafa, Elfarri, Yassine, Elvegård, Marius, Gottfridsson, Adam, Grønaas, Halvor S, Harang, Sigve, Jansen, Anders, Madland, Thomas Emil Rolland, Martins, Ivar Bruvik, Olstad, Marius Wilhelm, Ryan, Tommy Lee, Shaban, Anwar Nazih, Svenningsen, Øyvind Løken, Sørensen, Andre Djupvik, Ulvestad, Emil Holm, Vister, Ole Martin, Øvergaard, Morten Bratgjerd, Kalvøy, Håvard, Pettersen, Fred Johan, Odland, Hans Henrik, Joten, Vegard Munkeby, Martinsen, Øyvind Grannes, Tronstad, Christian, Elvebakk, Ole, Martinsen, Ørjan Grøttem

“…In this project, we have studied the use of electrical impedance cardiography as a possible method for measuring blood pulse wave velocity, and hence be an aid…”
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Electrosurgery and Temperature Increase in Tissue With a Passive Metal Implant by Martinsen, Tormod, Pettersen, Fred Johan, Kalvøy, Håvard, Tronstad, Christian, Kvarstein, Gunnvald, Bakken, Andre, Høgetveit, Jan Olav, Martinsen, Ørjan G, Grimnes, Sverre, Frich, Lars

“…During monopolar electrosurgery in patients, current paths can be influenced by metal implants, which can cause unintentional tissue heating in proximity to…”
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Extracorporeal driveline vibrations to detect left ventricular assist device thrombosis - A porcine model study by Lilja, Didrik, Schalit, Itai, Espinoza, Andreas, Hoel, Tom Nilsen, Larsen, Guttorm, Pettersen, Fred-Johan, Halvorsen, Per Steinar

“…Pump thrombosis (PT) and related adverse complications contributed to the HeartWare Ventricular Assist Device (HVAD) market withdrawal. Many patients still…”
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Bioimpedance monitoring of 3D cell culturing—Complementary electrode configurations for enhanced spatial sensitivity by Canali, Chiara, Heiskanen, Arto, Muhammad, Haseena Bashir, Høyum, Per, Pettersen, Fred-Johan, Hemmingsen, Mette, Wolff, Anders, Dufva, Martin, Martinsen, Ørjan Grøttem, Emnéus, Jenny

“…A bioimpedance platform is presented as a promising tool for non-invasive real-time monitoring of the entire process of three-dimensional (3D) cell culturing…”
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Improved Detection Of Thromboembolic Complications In Left Ventricular Assist Device By Novel Accelerometer-Based Analysis by Schalit, Itai, Espinoza, Andreas, Pettersen, Fred-Johan, Skulstad, Helge, Fosse, Erik, Fiane, Arnt E., Halvorsen, Per S.

“…We have previously demonstrated that accelerometer-based vibration analysis detects thromboembolism and pump thrombosis in HeartWare Left Ventricular Assist…”
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Improved Detection Of Thromboembolic Complications In Left Ventricular Assist Device By Novel Accelerometer-Based Analysis by Schalit, Itai, Espinoza, Andreas, Pettersen, Fred-Johan, Skulstad, Helge, Fosse, Erik, Fiane, Arnt E., Halvorsen, Per S.

“…We have previously demonstrated that accelerometer-based vibration analysis detects thromboembolism and pump thrombosis in HeartWare Left Ventricular Assist…”
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Electrosurgery and temperature increase in tissue with a passive metal implant by Martinsen, Tormod, Pettersen, Fred-Johan, Kalvøy, Håvard, Tronstad, Christian, Kvarstein, Gunnvald, Bakken, André, Høgetveit, Jan Olav, Martinsen, Ørjan Grøttem, Grimnes, Sverre, Frich, Lars Inge

“…Importance: During monopolar electrosurgery in patients, current paths can be influenced by metal implants, which can cause unintentional tissue heating in…”
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Development of a miniaturized wireless arbitrary waveform constant current transcutaneous nerve stimulator for wearable diagnostic tests by Tronstad, Christian, Bakken, Andre, Arora, Tarun, Nilsen, Kristian Bernhard, Pettersen, Fred Johan

“…Transcutaneous nerve stimulators have numerous applications in both therapeutic and diagnostic medicine. Miniaturization of these devices can widen the range…”
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