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PubMed2001

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↗

PubMed1993

Near drowning: is emergency department cardiopulmonary resuscitation or intensive care unit cerebral resuscitation indicated?

OBJECTIVES: a) To report the neurologic outcome of a series of near-drowning victims treated with supportive management without aggressive cerebral resuscitation; and b) to identify patient characteristics that indicate prognosis and guide therapy at the scene, the Emergency Department, and in the intensive care unit (ICU). DESIGN: Retrospective review of all near-drowning patients requiring admission to the ICU over a 6-yr period (1/1/82 to 12/31/88). Hospital records were examined for the circumstances of submersion and rescue, patient condition on arrival in the Emergency Department and ICU, treatments, hospital course, and ultimate outcome. SETTING: Emergency departments of the referring hospital and ICU of Children's Hospital. PATIENTS: Forty-four pediatric submersion victims were treated with therapy limited to the support of vital functions. Three patients who met cold-water drowning criteria were excluded from the analysis for predictors of neurologic outcome. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: In our warm-water near-drowning patients, 56% survived neurologically intact, 32% survived in a persistent vegetative state, and the remaining 32% died. Unreactive pupils in the Emergency Department and a Glasgow Coma Score of < or = 5 on arrival to the ICU were the best independent predictors of poor neurologic outcome (odds ratio and 95% confidence intervals 374 [17 to 16,000] and 51 [5 to 2,200], respectively). However, no predictor was absolute and two nonhypothermic patients who arrived to the Emergency Department without vital signs, requiring cardiopulmonary resuscitation and cardiotonic medications, had full neurologic recovery. CONCLUSIONS: Our results cast further doubt on the utility of aggressive forms of cerebral monitoring and resuscitation and emphasize the need for initial full resuscitation in the Emergency Department.

Adolescent↗

PubMed1999

Resuscitation of the newly born infant: an advisory statement from the Pediatric Working Group of the International Liaison Committee on Resuscitation.

The International Liaison Committee on Resuscitation (ILCOR), with representation from North America, Europe, Australia, New Zealand, Africa, and South America, was formed in 1992 to provide a forum for liaison between resuscitation organizations in the developed world. This consensus document on resuscitation extends previously published ILCOR advisory statements on resuscitation to address the unique and changing physiology of the newly born infant within the first few hours following birth and the techniques for providing advanced life support.

Delivery Rooms↗

PubMed1989

Glycemia in the post-resuscitation period. The Cerebral Resuscitation Study Group.

An association between high glycemia on admission after resuscitation from an out-of-hospital cardiac arrest and poor neurological recovery has been reported. It remains controversial whether the high glycemia on admission causes the poor outcome or is just an epiphenomenon. The Cerebral Resuscitation Study Group therefore registered the glycemia on admission in 417 patients resuscitated after an out-of-hospital cardiac arrest. Our data confirm that a high glycemia on admission is related to a poor outcome. There is no relationship between the glycemia on admission and the duration of cardiopulmonary resuscitation (CPR). However, there is a positive but weak correlation between the dose of adrenaline administered during CPR and the glycemia on admission. This indicates that the higher glycemia on admission in patients with a poor outcome may, at least in part, be due to CPR parameters, such as the amount of adrenaline used, that are linked with a bad prognosis. However, it cannot be excluded that a high glycemia contributes to the brain damage after cardiac arrest.

Blood Glucose↗

PubMed1991

Comparison of different doses of epinephrine on myocardial perfusion and resuscitation success during cardiopulmonary resuscitation in a pig model.

Published results of dose-response effects of adrenergic drugs (epinephrine [E]) vary so much between studies because of differences in animal models and duration of ischemia before drug administration. In this investigation the effects of different doses of E on coronary perfusion pressure (CPP), left ventricular myocardial blood flow (MBF) and resuscitation success were compared during closed-chest cardiopulmonary resuscitation (CPR) after a 4-minute period of ventricular fibrillation in 28 pigs. MBF was measured during normal sinus rhythm using tracer microspheres. After 4 minutes of ventricular fibrillation CPR was performed with the use of a pneumatic piston compressor. After 4 minutes of mechanical measures only, the animals were randomly allocated into four groups of seven, receiving 0.015, 0.030, 0.045, and 0.090 mg/kg E intravenously respectively. MBF measurements were started 45 seconds after E administration; hemodynamic measurements after 90 seconds. Four minutes after the first administration, the same E dose was given before defibrillation. The CPP of animals given 0.015, 0.030, 0.045 and 0.090 mg/kg E were as follows: 16.3 +/- 6.1, 25.6 +/- 5.8, 33.2 +/- 8.4 and 30.4 +/- 6.3 mm Hg. The left ventricular MBF values were: 14 +/- 9, 27 +/- 11, 43 +/- 6, 46 +/- 10 mL/min/100 g. The differences between the groups receiving 0.015 and 0.045 mg/kg and between the groups receiving 0.015 mg/kg and 0.090 mg/kg were statistically significant (P less than .05). Resuscitation success was 14.3%, 42.9%, 100% and 86.7% respectively. A significant difference in resuscitation success was found only between 0.015 mg/kg and 0.045 mg/kg E.(ABSTRACT TRUNCATED AT 250 WORDS)

Animals↗

PubMed1984

Resuscitation and arterial blood gas abnormalities during prolonged cardiopulmonary resuscitation.

A study was undertaken to determine the pattern of arterial blood gas (ABG) concentration in the canine model undergoing prolonged cardiopulmonary resuscitation (CPR) from fibrillatory arrest, and to determine the importance of acid base abnormalities in predicting resuscitation. Ventricular fibrillation was induced electrically in 12 dogs. CPR was begun at 3 minutes and continued for 27 minutes, at which time the dogs were defibrillated. ABG samples were taken at 0, 8, 18, and 28 minutes of ventricular fibrillation. Seven of the 12 dogs were resuscitated successfully. There was no difference in pH, PCO2, or PO2 between the survivors and nonsurvivors at any of the points measured. A pattern of pH and PCO2 abnormalities was noted in each dog over 30 minutes. Each developed a respiratory alkalosis that peaked at 8 minutes. During the next 22 minutes the pH gradually declined. This combination of respiratory alkalosis and metabolic acidosis resulted in normalization of the pH at about 18 minutes of fibrillation. We concluded that when adequate ventilation is provided in the canine model undergoing CPR, significant arterial acidemia does not occur for at least 18 minutes. Further, acid base abnormalities did not correlate with successful resuscitation.

Acidosis↗

PubMed2001

Simultaneous sternothoracic cardiopulmonary resuscitation: a new method of cardiopulmonary resuscitation.

No existing device for cardiopulmonary resuscitation (CPR) is designed to exploit both the "cardiac pump" and the "thoracic pump" effect simultaneously. The purpose of this study was to measure the haemodynamic effect of a new simultaneous sternothoracic cardiopulmonary resuscitation (SST-CPR) device that could compress the sternum and constrict the thoracic cavity simultaneously in a canine cardiac arrest model. After 4 min of ventricular fibrillation, 24 mongrel dogs were randomized to receive standard CPR (n=12) or SST-CPR (n=12). SST-CPR generated a new pattern of the aortic pressure curve presumed to be the result of both sternal compression and thoracic constriction. SST-CPR resulted in significantly higher mean arterial pressure than standard CPR (68.9+/-16.1 vs. 30.5+/-10.0 mmHg, P<0.01). SST-CPR generated higher coronary perfusion pressure than standard CPR (47.0+/-11.4 vs. 17.3+/-8.9 mmHg, P<0.01). End tidal CO(2) tension was also higher during SST-CPR than standard CPR (11.6+/-6.1 vs. 2.17+/-3.3 mmHg, P<0.01). In this preliminary animal model study, simultaneous sternothoracic cardiopulmonary resuscitation generated better haemodynamic effects than standard, closed chest cardiopulmonary resuscitation.

Animals↗

PubMed2003

Cardiopulmonary resuscitation of adults in the hospital: a report of 14720 cardiac arrests from the National Registry of Cardiopulmonary Resuscitation.

The National Registry of Cardiopulmonary Resuscitation (NRCPR) is an American Heart Association (AHA)-sponsored, prospective, multisite, observational study of in-hospital resuscitation. The NRCPR is currently the largest registry of its kind. The purpose of this article is to describe the NRCPR and to provide the first comprehensive, Utstein-based, standardized characterization of in-hospital resuscitation in the United States. All adult (>/=18 years of age) and pediatric (<18 years of age) patients, visitors, employees, and staff within a facility (including ambulatory care areas) who experience a resuscitation event are eligible for inclusion in the NRCPR database. Between January 1, 2000, and June 30, 2002, 14720 cardiac arrests that met inclusion criteria occurred in adults at the 207 participating hospitals. An organized emergency team is available 24 h a day, 7 days a week in 86% of participating institutions. The three most common reasons for cardiac arrest in adults were (1) cardiac arrhythmia, (2) acute respiratory insufficiency, and (3) hypotension. Overall, 44% of adult in-hospital cardiac arrest victims had a return of spontaneous circulation (ROSC); 17% survived to hospital discharge. Despite the fact that a primary arrhythmia was one of the precipitating events in nearly one half of adult cardiac arrests, ventricular fibrillation (VF) was the initial pulseless rhythm in only 16% of in-hospital cardiac arrest victims. ROSC occurred in 58% of VF cases, yielding a survival-to-hospital discharge rate of 34% in this subset of patients. An automated external defibrillator was used to provide initial defibrillation in only 1.4% of patients whose initial cardiac arrest rhythm was VF. Neurological outcome in discharged survivors was generally good. Eighty-six percent of patients with Cerebral Performance Category-1 (CPC-1) at the time of hospital admission had a postarrest CPC-1 at the time of hospital discharge.

Adolescent↗

PubMed2006

[In-hospital resuscitation. Concept of first-responder resuscitation using semi-automated external defibrillators (AED)].

BACKGROUND AND OBJECTIVE: The prognosis after in-hospital resuscitation has not significantly improved in the last 40 years. This account presents the results over a three-year period of a hospital-wide emergency plan which implements the use of an automated external defibrillator (AED) by the first responder to the emergency call. BACKGROUND AND OBJECTIVE: 15 "defibrillator points" were installed, which could be reached within 30 s from all wards, out-patient departments and other areas, thus making them accessible for immediate defibrillator application. The hospital personnel is trained periodically in the alarm sequence, cardiopulmonary resuscitation and use of the defibrillator. Data on 57 patients who had sustained a cardiac arrest were prospectively recorded and analysed. RESULTS: In 46 patients (81%) the "on-the-spot" personnel (first-responder) was able to apply AED before arrival of the hospital's resuscitation team. Mean period between arrest alarm and activation of the AED was 2.2 (0.7-4.7) min. Ventricular fibrillation or ventricular tachyarrhythmia was recorded in 40 patients, making immediate shock delivery by AED possible. Restoration of the circulation was achieved in 23 (80%) of the patients and 20 (50%) were discharged home, 17 (43%) without neurological deficit. The high proportion of first-responder AED applications and evaluation of the personnel training indicate a wide acceptance of the emergency plan among the personnel. CONCLUSION: An immediate resuscitation plan consisting of an integrated programme of early defibrillation is feasible and seems to achieve an improved prognosis for patients who have sustained an in-hospital cardiac arrest.

Adult↗

PubMed1992

[New standards for catecholamine therapy in cardiopulmonary resuscitation? Results of a modified application in a resuscitation model].

Using a standardized porcine CPR-model (3 min of cardiac arrest induced by ventricular fibrillation) the effects of epinephrine (10 micrograms/kg iv, 50 micrograms/kg iv, 100 micrograms/kg endobronchially, eb) and norepinephrine (10 micrograms/kg iv, 100 micrograms/kg eb) on resuscitability and early post-resuscitation haemodynamics were compared. Success rate was 100% after epinephrine 10 micrograms/kg iv and 100 micrograms/kg eb, 75% after epinephrine 50 micrograms/kg iv, 80% after norepinephrine iv and 60% after norepinephrine eb. In an unmedicated control group 50% of all animals were successfully resuscitated. Early post-resuscitation haemodynamics in the high dose epinephrine group were characterized by tachycardia and progredient myocardial failure, while in the norepinephrine groups a low cardiac output was accompanied by small cardiac stroke volumes and an increased vascular resistance. It is concluded that iv or eb epinephrine given in standard doses has still to be considered as the drug therapy of choice after short term cardiac arrest or in the presence of ventricular fibrillation. Before different drugs or dosing strategies can be recommended, further experimental and clinical validation is required.

Administration, Inhalation↗

PubMed1993

A comparison of active compression-decompression cardiopulmonary resuscitation with standard cardiopulmonary resuscitation for cardiac arrests occurring in the hospital.

BACKGROUND: Recent studies have demonstrated improved cardiopulmonary circulation during cardiac arrest with the use of a hand-held suction device (Ambu CardioPump) to perform active compression-decompression cardiopulmonary resuscitation (CPR). The purpose of this study was to compare active compression-decompression with standard CPR during cardiac arrests in hospitalized patients. METHODS: All patients over the age of 18 years who had a witnessed cardiac arrest while hospitalized at our center were enrolled in this trial; they were randomly assigned according to their medical-record numbers to receive either active compression-decompression or standard CPR. The study end points were the rates of initial resuscitation, survival at 24 hours, hospital discharge, and neurologic outcome. Compressions were performed according to the recommendations of the American Heart Association (80 to 100 compressions per minute; depth of compression, 3.8 to 5.1 cm [1.5 to 2 in.]; and 50 percent of the cycle spent in compression). RESULTS: Sixty-two patients (45 men and 17 women) with a mean age (+/- SE) of 68 +/- 2 years were entered into the trial. Sixty-two percent of the patients who underwent active compression-decompression were initially resuscitated, as compared with 30 percent of the patients who received standard CPR (P < 0.03); 45 percent of the patients who underwent active compression-decompression survived for at least 24 hours, as compared with 9 percent of patients who underwent standard CPR (P < 0.004). Two of the 62 study patients survived to hospital discharge; both were randomly assigned to receive active compression-decompression. Neurologic outcome, as measured by the Glasgow coma score, was better with active compression-decompression (8.0 +/- 1.3) than with standard CPR (3.5 +/- 0.3; P < 0.02). CONCLUSIONS: In this preliminary study, we found that, as compared with standard CPR, active compression-decompression CPR improved the rate of initial resuscitation, survival at 24 hours, and neurologic outcome after in-hospital cardiac arrest. Larger trials will be required to assess the potential benefit in terms of long-term survival.

Aged↗

PubMed1992

Does on-scene resuscitation affect in-hospital "do not resuscitate" decisions and mortality in patients with severe head injuries?

To evaluate the effect of on-scene versus in-hospital resuscitation of patients with severe head injuries with regard to "do not resuscitate" (DNR) decisions and in-hospital mortality, 561 patients were prospectively studied. Patients were grouped according to whether resuscitation initially occurred at the scene of the injury (group 1), in a regional hospital before transfer (group 2), or after direct admission to our neurosurgical center (group 3). The DNR and mortality rates within the first 48 hours (13%, 10%, 10%, respectively) as well as for the entire stay in the surgical intensive care unit (SICU) were comparable for the three groups. It has been pointed out that efficient resuscitation at the scene of the injury may, instead of improving overall outcome, increase morbidity and mortality rates because more severely injured patients now reach the hospital alive. We conclude, however, that primary aggressive treatment at the scene of the injury did not increase DNR and in-hospital mortality rates within the 48-hour follow-up period, nor for the total stay in the SICU. Investigation of long-term outcome will be important to further establish the efficacy of this approach.

Adult↗

PubMed2000

Fluid resuscitation of patients with multiple injuries and severe closed head injury: experience with an aggressive fluid resuscitation strategy.

BACKGROUND: Despite increasing experimental and clinical evidence to the contrary, a dichotomy of management strategies of the patient with multiple injuries still exists, based on the presence or absence of traumatic brain injury. Many still advocate fluid restriction or small volume resuscitation if traumatic brain injury is present. PURPOSE: To demonstrate results of aggressive fluid resuscitation in a prospective case series of patients with multiple injuries and with severe head injury. METHODS: Thirty-four patients with Glasgow Coma Scale score < or = 8 and Injury Severity Score > or = 16 were enrolled into the study over a period of 18 months. Fluid resuscitation was guided in part by cerebral perfusion pressures (mean cerebral perfusion pressures > 80) as well as by hemodynamic monitoring and evidence of end organ perfusion. Overall fluid intake, intensive care unit fluid balance, presence or absence of hypoxia, hypotension, or both, were analyzed. Ninety- and 180-day Glasgow Outcome Scale and Disability Rating Scale scores were also obtained. RESULTS: By using an aggressive fluid resuscitation strategy, secondary insults were avoided in 74% of the patients. A good functional outcome was achieved in 74% and mortality was impressively low at 6%. CONCLUSION: Fluid restriction is not necessary to achieve good results in the severely injured patient who also has a severe head injury.

Adolescent↗

PubMed1996

Mild resuscitative hypothermia and outcome after cardiopulmonary resuscitation.

Recovery without residual neurological damage after cardiac arrest with global cerebral ischemia is still a rare event. Severe impairment of bodily or cognitive functions is often the result. The individual, emotional, and social aspects of brain damage and rehabilitation are seldom taken into account. Efforts to improve the prevention of brain damage immediately after successful resuscitation of patients are missing. The efficacy of hypothermia in preserving neurologic function when instituted before and during certain no-flow cardiovascular states has been well documented both clinically and experimentally since the 1950s. Most studies have used moderate (28-33 degrees C) to deep (20-28 degrees C) hypothermia to demonstrate these protective effects. Considering the use of hypothermia for preservation and resuscitation, the lack of controlled outcome trials, the long period of time required to reach therapeutic hypothermia, and the incidence of rewarming complications such as infection, arrhythmia, and coagulopathy have made it difficult to apply these methods to emergency situations such as cardiac arrest. Recent experimental evidence in dogs has shown that hypothermia induced after cardiac arrest does indeed mitigate the effects of the postresuscitation syndrome and improves neurologic function and reduces histologic brain damage. More importantly, such benefits can be demonstrated with mild (34-36 degrees C) hypothermia, thus minimizing complications and requiring less time for induction of hypothermia. Ice water nasal lavage, direct carotid infusion of cold fluids, use of a cooling helmet, and peritoneal cooling are promising techniques for clinical cerebral cooling. External auditory canal temperature (e.g., tympanic membrane temperature changes) could provide an approximation to brain temperatures. For accurate temperature monitoring, however, a central pulmonary artery thermistor probe should be inserted. Temperature monitoring is needed to avoid temperature < 30 degrees C. Mild hypothermia may prove to be an important and secure component for cerebral preservation and resuscitation during and after global ischemia; it may also prove to be a useful method of cerebral resuscitation after global ischemic states, thereby promoting the prevention of neuromental diseases.

Austria↗

PubMed1993

Adult advanced cardiac life support: the European Resuscitation Council guidelines 1992 (abridged). European Resuscitation Council Working Party.

The European Resuscitation Council, established in 1990, is committed to saving lives by improving standards of cardiopulmonary resuscitation across Europe and coordinating the activities of interested organisations and individuals. In this regard the council has successfully brought together physicians and surgeons from eastern and western Europe and, in addition, has established relations with the American Heart Association and equivalent organisations in Canada, Australia, and South Africa. A main objective of the European Resuscitation Council is to produce guidelines for cardiopulmonary and cerebral resuscitation, and in this paper members of a working party of 14 experts from 11 countries set out an abridged version of the council's guidelines for adult advanced cardiac life support. The council hopes that the guidelines and accompanying algorithms will serve as a ready use "how to do it" for ordinary practitioners and paramedics inside and outside hospital.

Algorithms↗

PubMed1994

[How should high concentration oxygen be provided with a resuscitator during resuscitation?].

Oxygen is essential to life. When one is suffering from illness or trauma, the oxygen demand increases because of catabolic response. High concentration oxygen is therefore required in resuscitation. In Taiwan, as well as in other countries, medical personnel usually provide artificial ventilation with a resuscitator. However, the percentage of oxygen delivered from the bag varies significantly in different conditions. To provide high-concentration oxygen during resuscitation, it is necessary to use a resuscitator with an oxygen reservoir and sufficient supplemental oxygen flow.

Humans↗

PubMed2001

Basic and advanced life support, acute resuscitation, and cardiac resuscitation.

The global approach to resuscitation has changed dramatically in the past year. The groundwork for these changes began a decade ago with the development of the Utstein guidelines for uniform reporting of critical events. Consistency in data collection was necessary to enable evidence-based review and comparison of current practice. Resuscitation protocols have been significantly altered based upon these data. Basic life support (BLS) protocols have been simplified. Early access to electrical cardioversion is the key to survival. Mobilization of AED technology in the community is essential. Several issues were identified as crucial to future improvement of resuscitation statistics. Prevention strategies should be developed for high-risk patients. There is a need to identify cases in which resuscitation should not be started. Enhancement of educational methods to improve performance and retention of skills is key. Finally, the roadblocks for performance of ethical prospective research must be minimized.

Journal Article↗

PubMedDate not supplied

Resuscitation of residents with do not resuscitate orders in long-term care facilities.

BACKGROUND: A considerable number of emergency medical services (EMS) responses for cardiac arrest occur in long-term care facilities. In some instances, these responses are for residents who have expressed wishes not to be resuscitated by signing a do not resuscitate (DNR) order. OBJECTIVES: To assess the magnitude of EMS use for cardiac arrest in long-term care facilities for residents with DNR orders and to determine reasons why EMS is called. METHODS: A retrospective study was conducted using data collected from medical incident reports between July 1999 and December 2000 for all persons experiencing cardiac arrest in long-term care facilities defined as nursing homes, adult family homes, and assisted-living centers in King County, Washington, excluding Seattle. The authors also surveyed facilities to determine their policies for calling 9-1-1 in the event of cardiac arrest. Results. Of the 392 cardiac arrests in long-term care facilities to which EMS responded, 139 (35%) of the residents had DNR orders. Of these 139, 29 (21%) received attempted resuscitation by EMS. The problem appeared to be greater among nursing homes and adult family homes than in assisted-living centers. Among nursing homes, the primary reason for an EMS call was concern for validity of the DNR order, whereas among adult family homes, the primary concern was appropriate medical authority to declare death. CONCLUSION: Efforts to clarify existing regulations, streamline the DNR transfer process, and improve communication between EMS and long-term care facilities may result in better fulfillment of residents' end-of-life wishes and a saving of EMS resources.

Aged↗