Publications 2024

Antonsen LP, Espinoza A, Halvorsen PS, Schalit I, Bergan H, Lilja D, Landsverk SA (2024)
The impact of hypovolemia and PEEP on recirculation in venovenous ECMO: an experimental porcine model
Intensive Care Med Exp, 12 (1), 51
DOI 10.1186/s40635-024-00636-5, PubMed 38822111

Publications 2023

Lilja D, Schalit I, Espinoza A, Fiane AE, Dahle G, Littorin-Sandbu H, Pettersen FJ, Russell KE, Thiara APS, Elle OJ, Halvorsen PS (2023)
Detection of inflow obstruction in left ventricular assist devices by accelerometer: A porcine model study
J Heart Lung Transplant, 42 (8), 1005-1014
DOI 10.1016/j.healun.2023.03.017, PubMed 37023840

Lilja D, Schalit I, Espinoza A, Hoel TN, Larsen G, Pettersen FJ, Halvorsen PS (2023)
Extracorporeal driveline vibrations to detect left ventricular assist device thrombosis - A porcine model study
J Heart Lung Transplant, 43 (1), 111-119
DOI 10.1016/j.healun.2023.08.022, PubMed 37673384

Publications 2022

Lilja D, Schalit I, Espinoza A, Pettersen FJ, Elle OJ, Halvorsen PS (2022)
Detection of inflow obstruction in left ventricular assist devices by accelerometer: An in vitro study
Med Eng Phys, 110, 103917
DOI 10.1016/j.medengphy.2022.103917, PubMed 36564132

Schalit I, Espinoza A, Pettersen FJ, Skulstad H, Fosse E, Fiane AE, Halvorsen PS (2022)
Improved Detection Of Thromboembolic Complications In Left Ventricular Assist Device By Novel Accelerometer-Based Analysis
ASAIO J, 68 (9), 1117-1125
DOI 10.1097/MAT.0000000000001654, PubMed 36066353

Wisløff-Aase K, Skulstad H, Beitnes JO, Lundblad R, Halvorsen PS, Fiane A, Espinoza A (2022)
Left Ventricular Function Changes Induced by Moderate Hypothermia Are Rapidly Reversed After Rewarming-A Clinical Study
Crit Care Med, 50 (1), e52-e60
DOI 10.1097/CCM.0000000000005170, PubMed 34259452

Wisløff-Aase K, Skulstad H, Haugaa K, Lingaas PS, Beitnes JO, Halvorsen PS, Espinoza A (2022)
Myocardial electrophysiological and mechanical changes caused by moderate hypothermia-A clinical study
Physiol Rep, 10 (8), e15259
DOI 10.14814/phy2.15259, PubMed 35439365

Publications 2020

Espinoza A, Kerans V, Bugge JF, Skulstad H, Halvorsen PS (2020)
Left Ventricular Function During Epinephrine Stimulation and Hypothermia: Effects at Spontaneous and Paced Heart Rates in a Porcine Model
Ther Hypothermia Temp Manag, 11 (1), 35-44
DOI 10.1089/ther.2019.0035, PubMed 31916922

Schalit I, Espinoza A, Pettersen FJ, Snartland S, Ringdal ML, Hoel TN, Skulstad H, Fosse E, Fiane AE, Halvorsen PS (2020)
Detection of Thromboembolic Events and Pump Thrombosis in HeartWare HVAD Using Accelerometer in a Porcine Model
ASAIO J, 66 (1), 38-48
DOI 10.1097/MAT.0000000000000954, PubMed 30688692

Wisløff-Aase K, Kerans V, Haugaa K, Halvorsen PS, Skulstad H, Espinoza A (2020)
Changes in left ventricular electromechanical relations during targeted hypothermia
Intensive Care Med Exp, 8 (1), 76
DOI 10.1186/s40635-020-00363-7, PubMed 33315166

Publications 2019

Dahle G, Helle-Valle T, Beitnes JO, Espinoza A, Halvorsen PS, Rein KA (2019)
Single-centre first experience with transapical transcatheter mitral valve replacement with an apical tether: factors influencing screening outcomes
Interact Cardiovasc Thorac Surg, 28 (5), 695-703
DOI 10.1093/icvts/ivy343, PubMed 30602024

Pischke SE, Hestenes S, Johansen HT, Fure H, Bugge JF, Espinoza A, Skulstad H, Edvardsen T, Fosse E, Mollnes TE, Halvorsen PS, Nielsen EW (2019)
Sepsis causes right ventricular myocardial inflammation independent of pulmonary hypertension in a porcine sepsis model
PLoS One, 14 (6), e0218624
DOI 10.1371/journal.pone.0218624, PubMed 31247004

Publications 2018

Bergan HA, Halvorsen PS, Espinoza A, Kerans V, Skulstad H, Fosse E, Bugge JF (2018)
Left Ventricle Function During Therapeutic Hypothermia with Beta₁-Adrenergic Receptor Blockade
Ther Hypothermia Temp Manag, 8 (3), 156-164
DOI 10.1089/ther.2017.0051, PubMed 29394143

Hyler S, Espinoza A, Skulstad H, Fosse E, Steinar Halvorsen P (2018)
Corrigendum to 'Left ventricular function can be continuously monitored with an epicardially attached accelerometer sensor' [Eur J Cardiothorac Surg 2014;46:313-20]
Eur J Cardiothorac Surg, 54 (5), 968
DOI 10.1093/ejcts/ezy340, PubMed 30295773

Schalit I, Espinoza A, Pettersen FJ, Thiara APS, Karlsen H, Sørensen G, Fosse E, Fiane AE, Halvorsen PS (2018)
Accelerometer Detects Pump Thrombosis and Thromboembolic Events in an In vitro HVAD Circuit
ASAIO J, 64 (5), 601-609
DOI 10.1097/MAT.0000000000000699, PubMed 29088023

Publications 2016

Bugge JF, Espinoza A, Halvorsen PS (2016)
Hypothermia Is Not an Inotropic Drug
Crit Care Med, 44 (12), e1258
DOI 10.1097/CCM.0000000000002048, PubMed 27858830

Publications 2015

Espinoza A, Neumann K, Halvorsen PS, Sundset A, Kongerud J, Fosse E (2015)
Critical airway obstruction: challenges in airway management and ventilation during therapeutic bronchoscopy
J Bronchology Interv Pulmonol, 22 (1), 41-7
DOI 10.1097/LBR.0000000000000127, PubMed 25590482

Grymyr OJ, Nguyen AT, Tjulkins F, Espinoza A, Remme EW, Skulstad H, Fosse E, Imenes K, Halvorsen PS (2015)
Continuous monitoring of cardiac function by 3-dimensional accelerometers in a closed-chest pig model
Interact Cardiovasc Thorac Surg, 21 (5), 573-82
DOI 10.1093/icvts/ivv191, PubMed 26254463

Hyler S, Pischke SE, Halvorsen PS, Espinoza A, Bergsland J, Tønnessen TI, Fosse E, Skulstad H (2015)
Continuous monitoring of regional function by a miniaturized ultrasound transducer allows early quantification of low-grade myocardial ischemia
J Am Soc Echocardiogr, 28 (4), 486-94
DOI 10.1016/j.echo.2014.12.014, PubMed 25636368

Kerans V, Espinoza A, Skulstad H, Halvorsen PS, Edvardsen T, Bugge JF (2015)
Systolic left ventricular function is preserved during therapeutic hypothermia, also during increases in heart rate with impaired diastolic filling
Intensive Care Med Exp, 3 (1), 41
DOI 10.1186/s40635-015-0041-6, PubMed 26215808

Publications 2014

Espinoza A, Edvardsen T (2014)
Mechanisms of QT prolongation during hypothermia
J Am Soc Echocardiogr, 27 (6), 680-1
DOI 10.1016/j.echo.2014.04.003, PubMed 24774223

Grymyr OJ, Remme EW, Espinoza A, Skulstad H, Elle OJ, Fosse E, Halvorsen PS (2014)
Assessment of 3D motion increases the applicability of accelerometers for monitoring left ventricular function
Interact Cardiovasc Thorac Surg, 20 (3), 329-37
DOI 10.1093/icvts/ivu404, PubMed 25472979

Hestenes SM, Halvorsen PS, Skulstad H, Remme EW, Espinoza A, Hyler S, Bugge JF, Fosse E, Nielsen EW, Edvardsen T (2014)
Advantages of strain echocardiography in assessment of myocardial function in severe sepsis: an experimental study
Crit Care Med, 42 (6), e432-40
DOI 10.1097/CCM.0000000000000310, PubMed 24633187

Hyler S, Espinoza A, Skulstad H, Fosse E, Halvorsen PS (2014)
Left ventricular function can be continuously monitored with an epicardially attached accelerometer sensor
Eur J Cardiothorac Surg, 46 (2), 313-20
DOI 10.1093/ejcts/ezt653, PubMed 24482390

Publications 2013

Espinoza A, Kerans V, Opdahl A, Skulstad H, Halvorsen PS, Bugge JF, Fosse E, Edvardsen T (2013)
Effects of therapeutic hypothermia on left ventricular function assessed by ultrasound imaging
J Am Soc Echocardiogr, 26 (11), 1353-63
DOI 10.1016/j.echo.2013.06.021, PubMed 23891124

Neumann K, Sundset A, Espinoza A, Kongerud J, Fosse E (2013)
Changes in quality of life, dyspnea scores, and lung function in lung cancer patients with airway obstruction after a therapeutic bronchoscopy
J Bronchology Interv Pulmonol, 20 (2), 134-9
DOI 10.1097/LBR.0b013e3182917280, PubMed 23609247

Publications 2012

Espinoza A, Bergsland J, Lundblad R, Fosse E (2012)
Wide sternal retraction may impede internal mammary artery graft flow and reduce myocardial function during off-pump coronary artery bypass grafting: presentation of two cases
Interact Cardiovasc Thorac Surg, 15 (1), 42-4
DOI 10.1093/icvts/ivs135, PubMed 22499803

Neyman K, Sundset A, Naalsund A, Espinoza A, Solberg S, Kongerud J, Fosse E (2012)
Endoscopic treatment of bronchial carcinoids in comparison to surgical resection: a retrospective study
J Bronchology Interv Pulmonol, 19 (1), 29-34
DOI 10.1097/LBR.0b013e3182446b52, PubMed 23207260

Publications 2011

Espinoza A, Rosseland LA, Hovdenes J, Stubhaug A (2011)
Paratracheal placement of orotracheal tube: a complication when aborting percutaneous tracheotomy
Acta Anaesthesiol Scand, 55 (7), 897-8
DOI 10.1111/j.1399-6576.2011.02438.x, PubMed 21749335

Neyman K, Sundset A, Espinoza A, Kongerud J, Fosse E (2011)
Survival and complications after interventional bronchoscopy in malignant central airway obstruction: a single-center experience
J Bronchology Interv Pulmonol, 18 (3), 233-8
DOI 10.1097/LBR.0b013e318222a7da, PubMed 23208566

Publications 2010

Espinoza A, Halvorsen PS, Skulstad H, Lundblad R, Bugge JF, Hoff L, Fosse E, Edvardsen T (2010)
Automated detection of myocardial ischaemia by epicardial miniature ultrasound transducers--a novel tool for patient monitoring during cardiac surgery
Eur J Cardiothorac Surg, 39 (1), 53-9
DOI 10.1016/j.ejcts.2010.03.067, PubMed 20627751

Publications 2009

Espinoza A, Halvorsen PS, Hoff L, Skulstad H, Fosse E, Ihlen H, Edvardsen T (2009)
Detecting myocardial ischaemia using miniature ultrasonic transducers--a feasibility study in a porcine model
Eur J Cardiothorac Surg, 37 (1), 119-26
DOI 10.1016/j.ejcts.2009.05.013, PubMed 19581103

Halvorsen PS, Remme EW, Espinoza A, Skulstad H, Lundblad R, Bergsland J, Hoff L, Imenes K, Edvardsen T, Elle OJ, Fosse E (2009)
Automatic real-time detection of myocardial ischemia by epicardial accelerometer
J Thorac Cardiovasc Surg, 139 (4), 1026-32
DOI 10.1016/j.jtcvs.2009.05.031, PubMed 19717169

Publications 2008

Halvorsen PS, Espinoza A, Fleischer LA, Elle OJ, Hoff L, Lundblad R, Skulstad H, Edvardsen T, Ihlen H, Fosse E (2008)
Feasibility of a three-axis epicardial accelerometer in detecting myocardial ischemia in cardiac surgical patients
J Thorac Cardiovasc Surg, 136 (6), 1496-502
DOI 10.1016/j.jtcvs.2008.08.043, PubMed 19114197

Hoff L, Espinoza A, Ihlen H (2008)
Cardiac Monitoring Using Transducers Attached Directly to the Heart
ULTRASON, 749-+
DOI 10.1109/ULTSYM.2008.0179