ParkinsonCanadaV1, Main, Exploration, bibRecord, 004426

Biphasic versus sequential pulse defibrillation: A direct comparison in humans

Identifieur interne : 004426 ( Main/Exploration ); précédent : 004425; suivant : 004427

Biphasic versus sequential pulse defibrillation: A direct comparison in humans

Auteurs : Douglas L. Jones [Canada] ; George J. Klein [Canada] ; Gerard M. Guiraudon [Canada] ; Raymond Yee [Canada]

Source :

American Heart Journal [ 0002-8703 ] ; 1993.

RBID : ISTEX:BCCFB937C8D45505328378324B817AEE31657049

Descripteurs français

Pascal (Inist)
- Défibrillation, Efficacité, Etude comparative, Homme, Réanimation cardiocirculatoire, Système biphasique, Séquentiel, Technique, Traitement instrumental, Wolff Parkinson White syndrome.
Wicri :
- topic : Homme.

English descriptors

KwdEn :
- Adult, Biphasic system, Comparative study, Defibrillation, Efficiency, Electric Countershock (instrumentation), Electric Countershock (methods), Electricity, Electrodes, Female, Human, Humans, Instrumentation therapy, Intensive cardiocirculatory care, Intraoperative Period, Male, Middle Aged, Sequential, Technique, Wolff Parkinson White syndrome, Wolff-Parkinson-White Syndrome (surgery), Wolff-Parkinson-White Syndrome (therapy).
MESH :
- instrumentation : Electric Countershock.
- methods : Electric Countershock.
- surgery : Wolff-Parkinson-White Syndrome.
- therapy : Wolff-Parkinson-White Syndrome.
- Adult, Electricity, Electrodes, Female, Humans, Intraoperative Period, Male, Middle Aged.

Abstract

It has been demonstrated recently that both biphasic and sequential pulse defibrillation shocks are superior to monophasic defibrillation shocks in animals and humans. There is little information directly comparing these two waveforms when pulse characteristics, subjects, and total electrode surface areas are kept constant. We determined the defibrillation threshold intraoperatively in 12 patients undergoing arrhythmia surgery, with the use of two or three patch electrodes (Medtronic 6891 and 6892), while keeping the electrode surface area constant. Patients were randomized in a crossover design for determinations of defibrillation threshold by means of biphasic and sequential pulse shocks. Leading-edge delivered current and delivered energy were significantly lower with sequential pulse shocks than with biphasic shocks (delivered energy means ± SEM 3.6 ± 0.7 joules vs 5.5 ± 0.9 joules, respectively). We conclude that sequential pulse defibrillation with three defibrillating electrodes provides an important current delivery system not matched by biphasic shocks with two electrodes when subjects, waveform characteristics, and total electrode surface areas are kept constant.

Url:

https://api-v5.istex.fr/document/BCCFB937C8D45505328378324B817AEE31657049/fulltext/pdf

DOI: 10.1016/0002-8703(93)90019-6

Affiliations:

Canada

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<front><div type="abstract" xml:lang="en">It has been demonstrated recently that both biphasic and sequential pulse defibrillation shocks are superior to monophasic defibrillation shocks in animals and humans. There is little information directly comparing these two waveforms when pulse characteristics, subjects, and total electrode surface areas are kept constant. We determined the defibrillation threshold intraoperatively in 12 patients undergoing arrhythmia surgery, with the use of two or three patch electrodes (Medtronic 6891 and 6892), while keeping the electrode surface area constant. Patients were randomized in a crossover design for determinations of defibrillation threshold by means of biphasic and sequential pulse shocks. Leading-edge delivered current and delivered energy were significantly lower with sequential pulse shocks than with biphasic shocks (delivered energy means ± SEM 3.6 ± 0.7 joules vs 5.5 ± 0.9 joules, respectively). We conclude that sequential pulse defibrillation with three defibrillating electrodes provides an important current delivery system not matched by biphasic shocks with two electrodes when subjects, waveform characteristics, and total electrode surface areas are kept constant.</div>
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La maladie de Parkinson au Canada (serveur d'exploration)

Biphasic versus sequential pulse defibrillation: A direct comparison in humans

Biphasic versus sequential pulse defibrillation: A direct comparison in humans

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

	La maladie de Parkinson au Canada (serveur d'exploration)
	Attention, ce site est en cours de développement ! Attention, site généré par des moyens informatiques à partir de corpus bruts. Les informations ne sont donc pas validées.