J Kramer-Johansen
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Explore the profile of J Kramer-Johansen including associated specialties, affiliations and a list of published articles.
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Articles
15
Citations
167
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0
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Recent Articles
1.
Berve P, Irusta U, Kramer-Johansen J, Skalhegg T, Aramendi E, Wik L
Resuscitation
. 2021 Sep;
167:218-224.
PMID: 34480974
Background And Aim: Measuring tidal volumes (TV) during bag-valve ventilation is challenging in the clinical setting. The ventilation waveform amplitude of the transthoracic impedance (TTI-amplitude) correlates well with TV for...
2.
Ringh M, Hollenberg J, Palsgaard-Moeller T, Svensson L, Rosenqvist M, Lippert F, et al.
J Intern Med
. 2018 Jan;
283(3):238-256.
PMID: 29331055
Out-of-hospital cardiac arrest (OHCA) is a major health problem that affects approximately four hundred and thousand patients annually in the United States alone. It is a major challenge for the...
3.
Skare C, Calisch T, Saeter E, Rajka T, Boldingh A, Nakstad B, et al.
Acta Anaesthesiol Scand
. 2018 Jan;
62(3):394-403.
PMID: 29315458
Background: Approximately 5%-10% of newly born babies need intervention to assist transition from intra- to extrauterine life. All providers in the delivery ward are trained in neonatal resuscitation, but without...
4.
Aramendi E, Irusta U, Ayala U, Naas H, Kramer-Johansen J, Eftestol T
Resuscitation
. 2015 Nov;
98:41-7.
PMID: 26546986
Aim: Filtering techniques to remove manual compression artefacts from the ECG have not been incorporated to defibrillators to diagnose the rhythm during cardiopulmonary resuscitation. Mechanical and manual compression artefacts may...
5.
Ayala U, Irusta U, Ruiz J, Ruiz de Gauna S, Gonzalez-Otero D, Alonso E, et al.
Resuscitation
. 2015 Jan;
89:25-30.
PMID: 25619441
Aim: Chest compression artefacts impede a reliable rhythm analysis during cardiopulmonary resuscitation (CPR). These artefacts are not present during ventilations in 30:2 CPR. The aim of this study is to...
6.
Ayala U, Irusta U, Ruiz J, Eftestol T, Kramer-Johansen J, Alonso-Atienza F, et al.
Biomed Res Int
. 2014 Jun;
2014:872470.
PMID: 24895621
Interruptions in cardiopulmonary resuscitation (CPR) compromise defibrillation success. However, CPR must be interrupted to analyze the rhythm because although current methods for rhythm analysis during CPR have high sensitivity for...
7.
Ayala U, Eftestol T, Alonso E, Irusta U, Aramendi E, Wali S, et al.
Resuscitation
. 2014 Apr;
85(7):957-63.
PMID: 24746788
Aim: Accurate chest compression detection is key to evaluate cardiopulmonary resuscitation (CPR) quality. Two automatic compression detectors were developed, for the compression depth (CD), and for the thoracic impedance (TI)....
8.
Ruiz J, Alonso E, Aramendi E, Kramer-Johansen J, Eftestol T, Ayala U, et al.
Resuscitation
. 2013 Jun;
84(10):1345-52.
PMID: 23747932
Aim: To analyze the feasibility of extracting the circulation component from the thoracic impedance acquired by defibrillation pads. The impedance circulation component (ICC) would permit detection of pulse-generating rhythms (PRs)...
9.
Ruiz J, Ayala U, Ruiz de Gauna S, Irusta U, Gonzalez-Otero D, Alonso E, et al.
Resuscitation
. 2013 Feb;
84(9):1223-8.
PMID: 23402965
Aim: To demonstrate the feasibility of doing a reliable rhythm analysis in the chest compression pauses (e.g. pauses for two ventilations) during cardiopulmonary resuscitation (CPR). Methods: We extracted 110 shockable...
10.
Aramendi E, Ayala U, Irusta U, Alonso E, Eftestol T, Kramer-Johansen J
Resuscitation
. 2011 Dec;
83(6):692-8.
PMID: 22198092
Aim: To demonstrate that the instantaneous chest compression rate can be accurately estimated from the transthoracic impedance (TTI), and that this estimated rate can be used in a method to...