Lars Wik

Summary

Affiliation: Norwegian Air Ambulance
Country: Norway

Publications

  1. ncbi request reprint An automated voice advisory manikin system for training in basic life support without an instructor. A novel approach to CPR training
    L Wik
    Department of Emergency Medical Services, Division of Surgery, Ulleval University Hospital, N 0407 Oslo, Norway
    Resuscitation 50:167-72. 2001
  2. ncbi request reprint Retention of basic life support skills 6 months after training with an automated voice advisory manikin system without instructor involvement
    Lars Wik
    National Centre of Competence in Emergency Medicine, Ulleval University Hospital, Kirkevn 166, N 0407, Oslo, Norway
    Resuscitation 52:273-9. 2002
  3. ncbi request reprint Evaluation of a defibrillator-basic cardiopulmonary resuscitation programme for non medical personnel
    Lars Wik
    Department of Emergency Medical Services, Division of Surgery, Ulleval University Hospital, N 0407 Oslo, Norway
    Resuscitation 56:167-72. 2003
  4. ncbi request reprint Use of an automatic mechanical chest compression device (LUCAS) as a bridge to establishing cardiopulmonary bypass for a patient with hypothermic cardiac arrest
    Lars Wik
    The National Competence Center for Emergency Medicine, Ulleval University Hospital, Oslo, Norway
    Resuscitation 66:391-4. 2005
  5. ncbi request reprint Quality of out-of-hospital cardiopulmonary resuscitation with real time automated feedback: a prospective interventional study
    Jo Kramer-Johansen
    Institute for Experimental Medical Research, University of Oslo, N 0407 Oslo, Norway
    Resuscitation 71:283-92. 2006
  6. doi request reprint Intravenous drug administration during out-of-hospital cardiac arrest: a randomized trial
    Theresa M Olasveengen
    Institute for Experimental Medical Research, Oslo University Hospital, Ullevaal, N 0407 Oslo, Norway
    JAMA 302:2222-9. 2009
  7. ncbi request reprint Arterial blood gases during basic life support of human cardiac arrest victims
    Morten Pytte
    Institute for Experimental Medical Research and Department of Anaesthesiology, Ulleval University Hospital, Kirkeveien 166, N 0407 Oslo, Norway
    Resuscitation 77:35-8. 2008
  8. ncbi request reprint Twelve-month retention of CPR skills with automatic correcting verbal feedback
    Lars Wik
    National Center of Competence in Emergency Medicine, Division of Prehospital Emergency Medicine, Ulleval University Hospital, N 0407 Oslo, Norway
    Resuscitation 66:27-30. 2005
  9. ncbi request reprint Chest compressions by ambulance personnel on chests with variable stiffness: abilities and attitudes
    Silje Ødegaard
    University of Oslo, Faculty Division Ulleval University Hospital, N 0407 Oslo, Norway
    Resuscitation 74:127-34. 2007
  10. ncbi request reprint Quality of cardiopulmonary resuscitation before and during transport in out-of-hospital cardiac arrest
    Theresa M Olasveengen
    Institute for Experimental Medical Research and Department of Anaesthesiology, Division Ulleval University Hospital, University of Oslo, N 0407 Oslo, Norway
    Resuscitation 76:185-90. 2008

Collaborators

Detail Information

Publications36

  1. ncbi request reprint An automated voice advisory manikin system for training in basic life support without an instructor. A novel approach to CPR training
    L Wik
    Department of Emergency Medical Services, Division of Surgery, Ulleval University Hospital, N 0407 Oslo, Norway
    Resuscitation 50:167-72. 2001
    ..It is concluded that this automated voice advisory manikin system, a novel approach to basic CPR training, caused an immediate improvement in the skills performance of paramedic students...
  2. ncbi request reprint Retention of basic life support skills 6 months after training with an automated voice advisory manikin system without instructor involvement
    Lars Wik
    National Centre of Competence in Emergency Medicine, Ulleval University Hospital, Kirkevn 166, N 0407, Oslo, Norway
    Resuscitation 52:273-9. 2002
    ..To evaluate the retention of skills 6 months after training in ventilation and chest compressions (CPR) on a manikin with computer based on-line voice advisory feedback and the possible effects of initial overtraining...
  3. ncbi request reprint Evaluation of a defibrillator-basic cardiopulmonary resuscitation programme for non medical personnel
    Lars Wik
    Department of Emergency Medical Services, Division of Surgery, Ulleval University Hospital, N 0407 Oslo, Norway
    Resuscitation 56:167-72. 2003
    ..The present study also supports the need for annual training and recertification...
  4. ncbi request reprint Use of an automatic mechanical chest compression device (LUCAS) as a bridge to establishing cardiopulmonary bypass for a patient with hypothermic cardiac arrest
    Lars Wik
    The National Competence Center for Emergency Medicine, Ulleval University Hospital, Oslo, Norway
    Resuscitation 66:391-4. 2005
    ..5 h of mechanical chest compression. This was followed with rapid rewarming on cardiopulmonary bypass and resulted in good physical and mental recovery. This management option should be considered for similar victims...
  5. ncbi request reprint Quality of out-of-hospital cardiopulmonary resuscitation with real time automated feedback: a prospective interventional study
    Jo Kramer-Johansen
    Institute for Experimental Medical Research, University of Oslo, N 0407 Oslo, Norway
    Resuscitation 71:283-92. 2006
    ..To compare quality of CPR during out-of-hospital cardiac arrest with and without automated feedback...
  6. doi request reprint Intravenous drug administration during out-of-hospital cardiac arrest: a randomized trial
    Theresa M Olasveengen
    Institute for Experimental Medical Research, Oslo University Hospital, Ullevaal, N 0407 Oslo, Norway
    JAMA 302:2222-9. 2009
    ....
  7. ncbi request reprint Arterial blood gases during basic life support of human cardiac arrest victims
    Morten Pytte
    Institute for Experimental Medical Research and Department of Anaesthesiology, Ulleval University Hospital, Kirkeveien 166, N 0407 Oslo, Norway
    Resuscitation 77:35-8. 2008
    ..Ventilation with tidal volumes sufficient to raise the victim's chest is an integral part of guidelines for lay-rescuer basic life support, but optimal tidal volume, frequency and ratio to chest compressions are not known...
  8. ncbi request reprint Twelve-month retention of CPR skills with automatic correcting verbal feedback
    Lars Wik
    National Center of Competence in Emergency Medicine, Division of Prehospital Emergency Medicine, Ulleval University Hospital, N 0407 Oslo, Norway
    Resuscitation 66:27-30. 2005
    ..To evaluate the retention of CPR skills 12 months after initial training, using a manikin equipped with a computer-based voice advisory feedback system...
  9. ncbi request reprint Chest compressions by ambulance personnel on chests with variable stiffness: abilities and attitudes
    Silje Ødegaard
    University of Oslo, Faculty Division Ulleval University Hospital, N 0407 Oslo, Norway
    Resuscitation 74:127-34. 2007
    ..Quality of cardiopulmonary resuscitation (CPR) performed by professionals is reported to be substandard even with automated corrective feedback. We hypothesised that lack of quality is not due to physical capabilities...
  10. ncbi request reprint Quality of cardiopulmonary resuscitation before and during transport in out-of-hospital cardiac arrest
    Theresa M Olasveengen
    Institute for Experimental Medical Research and Department of Anaesthesiology, Division Ulleval University Hospital, University of Oslo, N 0407 Oslo, Norway
    Resuscitation 76:185-90. 2008
    ..To evaluate quality of cardiopulmonary resuscitation (CPR) performed during transport after out-of-hospital cardiac arrest...
  11. ncbi request reprint Is CPR quality improving? A retrospective study of out-of-hospital cardiac arrest
    Theresa M Olasveengen
    Institute for Experimental Medical Research, Ulleval University Hospital, University of Oslo, N 0407 Oslo, Norway
    Resuscitation 75:260-6. 2007
    ..To evaluate the quality of cardiopulmonary resuscitation (CPR) performed by a physician-manned ambulance, and assess whether it changed with time influenced by developing scientific evidence and guideline changes...
  12. ncbi request reprint A failed attempt to improve quality of out-of-hospital CPR through performance evaluation
    Theresa Mariero Olasveengen
    Institute for Experimental Medical Research, Ulleval University Hospital, Oslo, Norway
    Prehosp Emerg Care 11:427-33. 2007
    ..Our hypothesis was that providing CPR performance evaluation (CPR-PE) to three ambulance services would facilitate local education and implementation of CPR guidelines and, consequently, improve CPR quality...
  13. doi request reprint Improving outcome after out-of-hospital cardiac arrest by strengthening weak links of the local Chain of Survival; quality of advanced life support and post-resuscitation care
    Inger Lund-Kordahl
    Institute for Experimental Medical Research, Oslo University Hospital Ulleval, N 0407 Oslo, Norway
    Resuscitation 81:422-6. 2010
    ..We wanted to assess if targeted attempts to strengthen the weak links of our local chain; quality of advanced life support (ALS) and post-resuscitation care, would improve outcome...
  14. doi request reprint Mechanical chest compressions with trapezoidal waveform improve haemodynamics during cardiac arrest
    Jo Kramer-Johansen
    Institute for Experimental Medical Research, Oslo University Hospital, Oslo, Norway
    Resuscitation 82:213-8. 2011
    ..We studied the haemodynamic differences of such waveforms in a porcine model of cardiac arrest...
  15. ncbi request reprint Haemodynamic effects of adrenaline (epinephrine) depend on chest compression quality during cardiopulmonary resuscitation in pigs
    Morten Pytte
    Department of Anaesthesiology, Ulleval University Hospital, Oslo, Norway
    Resuscitation 71:369-78. 2006
    ..We have studied the haemodynamic effects of adrenaline during CPR with good laboratory quality and with quality simulating clinical findings and the feasibility of monitoring these effects through VF waveform analysis...
  16. doi request reprint Discriminating the effect of accelerated compression from accelerated decompression during high-impulse CPR in a porcine model of cardiac arrest
    Øystein Tømte
    Institute for Experimental Medical Research and Centre for Heart Failure Research, Oslo University Hospital Ulleval, Oslo, Norway
    Resuscitation 81:488-92. 2010
    ..The present animal study compares haemodynamics during two different hybrid compression patterns to a standard compression pattern resembling that of modern mechanical chest compression devices...
  17. ncbi request reprint Quality of cardiopulmonary resuscitation during out-of-hospital cardiac arrest
    Lars Wik
    National Competence Center for Emergency Medicine, Ulleval University Hospital, Oslo, Norway
    JAMA 293:299-304. 2005
    ..There is little information on adherence to these guidelines during advanced cardiac life support in the field...
  18. doi request reprint Acute ischemic heart disease alters ventricular fibrillation waveform characteristics in out-of hospital cardiac arrest
    Theresa M Olasveengen
    Institute for Experimental Medical Research and Department of Anaesthesiology, Ulleval University Hospital, N 0407 Oslo, Norway
    Resuscitation 80:412-7. 2009
    ..We wanted to confirm these recent animal data in humans and explore the possibility for such characteristics to identify acute ischemia during cardiac arrest...
  19. doi request reprint Progressing from initial non-shockable rhythms to a shockable rhythm is associated with improved outcome after out-of-hospital cardiac arrest
    Theresa M Olasveengen
    Institute for Experimental Medical Research, Ulleval University Hospital, N 0407 Oslo, Norway
    Resuscitation 80:24-9. 2009
    ..We wanted to confirm this observation in our prospectively collected database, and assess whether differences in cardiopulmonary resuscitation (CPR) quality could help to explain any such difference in outcome...
  20. ncbi request reprint Pauses in chest compression and inappropriate shocks: a comparison of manual and semi-automatic defibrillation attempts
    Jo Kramer-Johansen
    Institute for Experimental Medical Research, Ullevaal University Hospital, N 0407 Oslo, Norway
    Resuscitation 73:212-20. 2007
    ..We hypothesised that pauses are shorter for manual defibrillation by trained rescuers, but with an increased number of inappropriate shocks given for a non-VF/VT rhythm...
  21. ncbi request reprint Standard versus over-the-head cardiopulmonary resuscitation during simulated advanced life support
    Georg Bollig
    Division of Surgery, Ulleval University Hospital, Oslo, Norway
    Prehosp Emerg Care 11:443-7. 2007
    ..The aim of the present study was to evaluate quality of OTH versus standard CPR with bag-valve-mask (BVM) ventilation in a manikin model during advanced life support (ALS)...
  22. doi request reprint Transthoracic impedance used to evaluate performance of cardiopulmonary resuscitation during out of hospital cardiac arrest
    Frederik S Stecher
    National Competence Centre of Emergency Medicine, Institute for Experimental Medical Research, Ulleval University Hospital, 0027 Oslo, Norway
    Resuscitation 79:432-7. 2008
    ..Our goal was to do this using defibrillator technology based on changes in transthoracic impedance (TTI) produced by chest compressions and ventilations...
  23. ncbi request reprint Delaying defibrillation to give basic cardiopulmonary resuscitation to patients with out-of-hospital ventricular fibrillation: a randomized trial
    Lars Wik
    Norwegian Competence Center for Emergency Medicine, Institute for Experimental Medical Research, Ulleval University Hospital, N 0407 Oslo, Norway
    JAMA 289:1389-95. 2003
    ..A nonrandomized study indicates that after a few minutes of ventricular fibrillation, delaying defibrillation to give cardiopulmonary resuscitation (CPR) first might improve the outcome...
  24. ncbi request reprint Advanced cardiac life support before and after tracheal intubation--direct measurements of quality
    Jo Kramer-Johansen
    Institute for Experimental Medical Research, University of Oslo, Ulleval University Hospital, N 0407 Oslo, Norway
    Resuscitation 68:61-9. 2006
    ..Tracheal intubation should improve the quality of cardiopulmonary resuscitation (CPR) by enabling adequate ventilation without pauses in external chest compressions...
  25. ncbi request reprint Rapid extrication from a car wreck
    Lars Wik
    Division of Prehospital Emergency Medicine, Ulleval University Hospital, Oslo, Norway
    Injury 35:739-45. 2004
    ..001], and patient on the stretcher ready for transport to the hospital [617+/-112 versus 387+/-65, CI 112-347, P=0.001]. Avoiding uncontrolled movements in the wreck was not more difficult with the new than the standard technique...
  26. ncbi request reprint Inspiratory impedance threshold valve during CPR
    Audun Langhelle
    Institute for Experimental Medical Research, Ulleval University Hospital, N 0407 Oslo, Norway
    Resuscitation 52:39-48. 2002
    ..The valve is a promising new tool in CPR, but more independent studies of the device are needed...
  27. ncbi request reprint Cardiac arrest and resuscitation with an automatic mechanical chest compression device (LUCAS) due to anaphylaxis of a woman receiving caesarean section because of pre-eclampsia
    Tor Thomas Vatsgar
    Ulleval University Hospital, Department of Anesthesiology, Oslo, Norway
    Resuscitation 68:155-9. 2006
    ..She awoke the next day with no sequelae. She had some suction cup marks on the sternum but otherwise no complications of the chest compressions. At follow up by phone 1 month later, she and her baby were doing well...
  28. ncbi request reprint Effects of compression depth and pre-shock pauses predict defibrillation failure during cardiac arrest
    Dana P Edelson
    Section of General Internal Medicine, University of Chicago Hospitals, Chicago, IL 60637, United States
    Resuscitation 71:137-45. 2006
    ..Specifically, the clinical effects of compression depth and pauses in chest compression prior to defibrillation (pre-shock pauses) are unknown...
  29. ncbi request reprint Effects of cardiopulmonary resuscitation on predictors of ventricular fibrillation defibrillation success during out-of-hospital cardiac arrest
    Trygve Eftestøl
    Stavanger University College, Department of Electrical and Computer Engineering, PO Box 8002, 4068 Stavanger, Norway
    Circulation 110:10-5. 2004
    ..To examine whether CPR improves myocardial readiness for defibrillation, we analyzed whether CPR causes changes in predictors of defibrillation success calculated from the ventricular fibrillation waveform...
  30. ncbi request reprint Quality of lay person CPR performance with compression: ventilation ratios 15:2, 30:2 or continuous chest compressions without ventilations on manikins
    Silje Odegaard
    University of Oslo, Division Ulleval University Hospital, Norway
    Resuscitation 71:335-40. 2006
    ..In conclusion, continuous chest compressions without ventilations gave significantly more chest compressions per minute, but with decreased compression quality. No flow time for 30:2 was significantly less than for 15:2...
  31. ncbi request reprint Independent evaluation of a defibrillation outcome predictor for out-of-hospital cardiac arrested patients
    Trygve Eftestøl
    University of Stavanger, Faculty of Science and Technology, Department of Electrical and Computer Engineering, N 4036 Stavanger, Norway
    Resuscitation 67:55-61. 2005
    ..As in the present study, future testing should be performed on totally independent data not included in the design of the outcome predictor to get a reliable impression of expected performance...
  32. ncbi request reprint Rediscovering the importance of chest compressions to improve the outcome from cardiac arrest
    Lars Wik
    Norwegian Competence Center for Emergency Medicine, Norway
    Resuscitation 58:267-9. 2003
  33. ncbi request reprint [Prehospital ECG reduces time to treatment with percutaneous coronary interventions]
    Anders Aasheim
    Hjertemedisinsk overaåkning, Ullevål universitetssykehus 0407 Oslo
    Tidsskr Nor Laegeforen 123:1353-4. 2003
  34. ncbi request reprint Airway management by paramedics using endotracheal intubation with a laryngoscope versus the oesophageal tracheal Combitube and EasyTube on manikins: a randomised experimental trial
    Georg Bollig
    Department of Emergency Medicine and Anaesthesiology, Telemark Hospital Skien, N 3710 Skien, Norway
    Resuscitation 71:107-11. 2006
    ..The EasyTube, which is constructed in a similar way to the Combitube, is a recently introduced alternative to tracheal intubation for airway management in emergency medicine...
  35. ncbi request reprint Reconfirmation algorithms should be the standard of care in automated external defibrillators
    Jo Kramer-Johansen
    Resuscitation 70:474-5; author reply 475. 2006
  36. ncbi request reprint Continuous mechanical chest compressions during cardiac arrest to facilitate restoration of coronary circulation with percutaneous coronary intervention
    Haakon Kiil Grogaard
    J Am Coll Cardiol 50:1093-4. 2007