[European Resuscitation Council Guidelines 2000 for automated external defibrillation].
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Defibrillators, Implantable↗
Biomedical subjects
K G Monsieurs
Publications and source records attributed to K G Monsieurs.
[European Resuscitation Council Guidelines 2000 for adult basic life support].
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Adult↗
European Resuscitation Council Guidelines 2000 for Adult Basic Life Support. A statement from the Basic Life Support and Automated External Defibrillation Working Group(1) and approved by the Executive Committee of the European Resuscitation Council.
The European Resuscitation Council (ERC) last issued guidelines for Basic Life Support (BLS) in 1998 [1]. These were based on the "Advisory Statements" of the International Liaison Committee on Resuscitation (ILCOR) published in 1997 [2]. Following this, the American Heart Association, together with representatives from ILCOR, undertook a series of evidence-based evaluations of the science of resuscitation [3] which culminated in the publication of "Guidelines 2000 for Cardiopulmonary Resuscitation and Emergency Cardiovascular Care" in August 2000 [4,5]. The Basic Life Support and Automated External Defibrillation Working Group (BLS&AED Group) has considered this document and has recommended changes in the ERC BLS guidelines. These are presented in this paper.
Adult↗
European Resuscitation Council Guidelines 2000 for Automated External Defibrillation. A statement from the Basic Life Support and Automated External Defibrillation Working Group(1) and approved by the Executive Committee of the European Resuscitation Council.
The European Resuscitation Council (ERC) last issued guidelines for Automated External Defibrillators (AEDs) in 1998 [1]. The American Heart Association, together with representatives from the International Liaison Committee on Resuscitation (ILCOR), then undertook a series of evidence-based evaluations of the science of resuscitation [2] which culminated in the publication of "Guidelines 2000 for Cardiopulmonary Resuscitation and Emergency Cardiovascular Care" in August 2000 [3,4]. The Basic Life Support and Automated External Defibrillation Working Group (BLS&AED Working Group of the ERC) has considered this document and has recommended changes in the ERC AED guidelines. These are presented in this paper.
Algorithms↗
Unreliable post event report from an automated external defibrillator.
Medical supervision of the use of automated external defibrillators (AEDs) is possible by the incorporation of a solid state memory system recording electrocardiography (ECG) tracings and information about the operation of the device. Since a post event report suggested inappropriate AED use erroneously, the information storage and printing processes of the Laerdal AED system were investigated. This analysis strongly suggests (yet unpredictable) incompatibilities between the software built in the solid state memory modules and the different components of the printing system. Although no problems were encountered during the resuscitation attempts, these findings may be clinically relevant because an unreliable post event report from a solid state memory module may lead to erroneous criticism of an AED user.
Cardiopulmonary Resuscitation↗
Gly341Arg mutation indicating malignant hyperthermia susceptibility: specific cause of chronically elevated serum creatine kinase activity.
We report on three families with the Gly341Arg ryanodine receptor gene (RYR1) mutation. Thirteen individuals were heterozygote carriers of the Gly341Arg mutation and had clearly positive in vitro contracture tests, indicating malignant hyperthermia susceptibility. Nine Gly341Arg mutation positive individuals from two families had elevated serum creatine kinase (CK) activity at rest (up to six times the normal upper limit). Their clinical and neurological examinations as well as detailed muscle histology were normal. The third family did not show increased CK activity. These findings indicate that the Gly341Arg mutation can be a specific cause of chronically elevated serum CK activity in asymptomatic individuals.
Adult↗
A rule for early outcome classification of out-of-hospital cardiac arrest patients presenting with ventricular fibrillation.
The aim of the study was to develop a scoring system for outcome classification at the start of prehospital first tier resuscitation for patients with cardiac arrest from ventricular fibrillation (VF). We studied a consecutive sample of 100 out-of-hospital cardiac arrest patients, presenting with VF of presumed cardiac etiology on arrival of the first tier (in a two-tiered urban Emergency Medical Services system). The number of patients discharged was 29 ('survivors') and 71 died ('non-survivors'). The electrocardiography (ECG) tracings recorded during resuscitation using a semi-automatic defibrillator were retrospectively analysed. For each patient, VF amplitude in mV (VF_a) and the number of base-line crossings per second (VF_blc) were calculated. Fisher's linear discriminant analysis was applied to discriminate between survivors and non-survivors using the variables VF_a, VF_blc and age. Patients were classed as potential survivors or non-survivors using a survival index = 0.6*(VF_a) + 0.4*(VF_blc)-4.0. If for a given patient the survival index is < 0, he is classified in the non-survivor group, if the survival index is > 0, he is classified in the survivor group. Using this index 79% of the survivors and 70% of the non-survivors could be classified correctly. Adding age to the formula increased the correct classification of survivors to 86 and 73% for the non-survivors. The survival index provides a research tool for the discrimination between potential survivors and non-survivors, which opens the possibility for the development of alternative treatment protocols in cardiac arrest.
Aged↗
Variation in defibrillation modes after synchronized cardioversion: a potential hazard.
We conducted a survey of all defibrillators currently on the European market that offer synchronized cardioversion. The mode after cardioversion can be classed into one of four categories: (1) remain in synchronized mode; (2) defer to asynchronized mode; (3) 'intelligent'; and (4) configurable. The different modes and the lack of standardization present a potential hazard because they cause confusion among the user of the defibrillator. Uniformity should be obtained after broad agreement between clinicians and manufacturers of defibrillators.
Atrial Fibrillation↗
Malignant hyperthermia susceptibility in a patient with concomitant motor neuron disease.
Laboratory confirmation of a clinical suspicion of malignant hyperthermia (MH) susceptibility by the standard in vitro contracture test remains inconclusive in patients reacting only to caffeine or halothane (called 'Equivocal') or in patients with concomitant neuromuscular disease. The detection of point mutations in the ryanodine receptor gene potentially provides additional information in these cases. The diagnostic value of the Gly341 Arg mutation in a patient reacting in vitro only to caffeine was reported previously by Quane et al. (1994). The present report describes a patient with motor neuron disease carrying the Gly341 Arg mutation, expanding the diagnostic value of this mutation to the group of patients with neuromuscular diseases.
Adolescent↗
Semi-automatic external defibrillation and implanted cardiac pacemakers: understanding the interactions during resuscitation.
Many emergency medical service (EMS) systems are currently implementing semi-automatic external defibrillation (AED) by emergency medical technicians. Surprisingly little information is available on the possible interactions between AEDs and implanted cardiac pacemakers. Therefore, at present there are no clear guidelines for the use of AEDs on patients having a cardiac pacemaker. During resuscitation, multiple interactions between pacemakers and AEDs are possible. External defibrillation can cause damage to several functions of the pacemaker. On the other hand, the presence of pacemaker spikes during cardiac arrest might prohibit recognition of the ventricular fibrillation by the AED. We report on two resuscitation attempts in which the interaction between the ventricular fibrillation, an implanted dual chamber pacemaker and the AED was decisive for the defibrillation success. A clear understanding of these possible interactions is necessary for the further refining of diagnostic algorithms and clinical strategies of prehospital defibrillation.
Adult↗
Knowledge, skills and counselling behaviour of Belgian general practitioners on CPR-related issues.
General practitioners (GP) can identify potential cardiac arrest victims. They have the opportunity to inform cardiac patients and their families about the risk of sudden cardiac death and can motivate family members to attend a CPR-course. To study actual counselling practices concerning basic CPR-training a questionnaire was mailed to a representative sample of Belgian GPs (n = 1119). The level of CPR-training of the GPs was fairly good: 67% had received BLS training on a manikin and 63% had already attended a cardiac arrest event. A discrepancy was observed between the positive attitude towards CPR and the counselling of family members to attend a CPR-course (9%). GPs feared to inflict additional stress to the patient (32%) or the family (43%) or did not know where CPR courses were organised (37%). GPs are a primary target group for CPR-training and should learn how to counsel potential bystanders of a cardiac arrest to attend a CPR-course without inflicting additional anxiety on the patient or his family.
Attitude of Health Personnel↗
A survey on alcohol and illicit drug abuse among emergency department patients.
Alcohol and illicit drug abuse are major health care problems frequently leading to emergency department admission. The aims of this survey were (1) to determine for the Ghent University Hospital how frequently substance abuse contributed to emergency department admissions, (2) to describe the most important clinical features of these patients and (3) to determine how frequently these patients were referred to appropriate psychiatric services. All 1,941 patients attending the emergency department during the month of September 2003 were registered by the attending emergency department personnel. After exclusion of 8 cases, 1,933 patients were included: 198 (10%) with substance abuse leading to the emergency department admission (= INTOX group) and 1,735 (90%) in the NON-INTOX group. Males and the 21-50 years age group were overrepresented in the INTOX group. Patients with substance abuse were also overrepresented during the night, but not during the weekend. Among the patients from the INTOX group the most frequent reason for the emergency department visit was a psychiatric problem (102/198; 51%). Traumatic lesions related to a fight (n= 19), to a traffic accident (n= 17) and to leisure time activities (n=30) were also frequent. In most patients, only alcohol was abused (144/198; 73%), most frequently chronically (102/144; 71%). In 13% (26/198), there was only illicit drug use, and in 14% (28/198) alcohol abuse was combined with illicit drug use. Among the 54 patients with illicit drug use (with or without alcohol abuse) the most frequently reported drugs were cannabis (54%), cocaine (41%), amphetamines (39%) and opiates (39%). With regard to referral to appropriate psychosocial services it was striking that 53% (19/36) of trauma patients with chronic substance abuse were not offered that type of help. We conclude that abuse of alcohol--and to a much lesser degree illicit drugs--is a frequent cause of emergency department admissions. Our data may help to convince and/or reinforce health care policy makers, emergency department medical directors and the public that alcohol consumption (much more than illicit drugs) is responsible for avoidable morbidity and mortality, and that well-co-ordinated strategies against unhealthy alcohol use are urgently needed. In this respect, the importance of detection and referral of emergency department patients with unhealthy alcohol use should be stressed.
Adolescent↗