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[Emergency anesthesia, airway management and ventilation in major trauma : Background and key messages of the interdisciplinary S3 guidelines for major trauma patients].

Anaesthesist. 2011 Nov;60(11):1027-40

Authors: Bernhard M, Matthes G, Kanz KG, Waydhas C, Fischbacher M, Fischer M, Böttiger BW

Abstract
Patients with multiple trauma presenting with apnea or a gasping breathing pattern (respiratory rate? < ?6/min) require prehospital endotracheal intubation (ETI) and ventilation. Additional indications are hypoxia (S(p)O(2)? ?29/min). The induction of anesthesia after preoxygenation is conducted as rapid sequence induction (analgesic, hypnotic drug, neuromuscular blocking agent). With the availability of ketamine as a viable alternative, the use of etomidate is not encouraged due to its side effects on adrenal function. An electrocardiogram (ECG), blood pressure measurement and pulse oximetry are needed to monitor the emergency anesthesia and the secured airway. Capnography is absolutely mandatory to confirm correct placement of the endotracheal tube and to monitor tube dislocations as well as ventilation and oxygenation in the prehospital and hospital setting. Because airway management is often complicated in trauma patients, alternative devices and a fiber-optic endoscope need to be available within the hospital. Use of these alternative measures for airway management and ventilation should be considered at the latest after a maximum of three unsuccessful intubation attempts. Emergency medical service (EMS) physicians should to be trained in emergency anesthesia, ETI and alternative methods of airway management on a regular basis. Within hospitals ETI, emergency anesthesia and ventilation are to be conducted by trained and experienced anesthesiologists. When a difficult airway or induction of anesthesia is expected, endotracheal intubation should be supervised or conducted by an anesthesiologist. Normoventilation should be the goal of mechanical ventilation. After arrival in the resuscitation room the ventilation will be controlled and guided with the help of arterial blood gas analyses. After temporary removal of a cervical collar, the cervical spine needs to be immobilized by means of manual in-line stabilization when securing the airway.

PMID: 22089890 [PubMed - in process]

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[Improved survival by guideline compliant cardiopulmonary resuscitation : Analysis of primary survival rates in the Hamburg emergency medical service.]

Mittwoch, 06. Oktober 2010

[Improved survival by guideline compliant cardiopulmonary resuscitation : Analysis of primary survival rates in the Hamburg emergency medical service.]

Anaesthesist. 2010 Oct 6;

Authors: Maisch S, Krüger A, Oppermann S, Goetz AE, Friederich P

BACKGROUND: In 2005 revised guidelines for cardiopulmonary resuscitation (CPR) were published by the European Resuscitation Council replacing the guidelines implemented in the year 2000. The aim of this study was to test the compliance with valid guidelines and to establish the quality of pre-hospital CPR provided by paramedics over a period of 38 months. PATIENTS AND METHODS: A total of 299 CPRs performed by paramedics of the emergency medical services of Hamburg, Germany between 1(st) November 2004 and 31(st) December 2007 were analyzed. Digital recordings of automated external defibrillators and emergency protocol data were analyzed in detail. CPR was judged as incorrect if the defibrillation energy level did not correspond to the valid guidelines or if the interval between defibrillations exceeded a tolerance range of more than 30% compared to the valid guidelines. RESULTS: All CPRs (299) were included in the analysis of which 197 (65.9%) were intended to follow the 2000 guidelines and 102 (34.1%) the 2005 guidelines. Return of spontaneous circulation (ROSC) was achieved in 164 cases (54.8%) and survival to hospital admission in 125 cases (41.8%). CPR was performed accurately according to guidelines in only 26 cases (8.7%). In 273 cases (91.3%) the guidelines were not followed completely. Concerning the translation of guidelines into practice most faults occurred due to wrong intervals (89.3%), wrong defibrillation energy (33.4%) and medical errors, such as defibrillating an asystolic patient (7.0%). Primary survival rates were not significantly different when CPR accurately followed the 2000 or 2005 guidelines (40.1% versus 45.1%). Comparing primary survival rates of cases in which the guidelines were followed completely, there was no significant difference between the 2000 guidelines (15 out of 21 cases 71.4%) and 2005 guidelines (4 out of 5 cases 80.0%). However, compliance with valid guidelines significantly increased primary survival rates compared to non-compliance with valid guidelines (19 out of 26 cases 73.1% versus 106 out of 273 cases 38.8%; p=0.007). This effect was independent of the duration of CPR. Comparing CPR with monophasic defibrillation (189 cases) or biphasic defibrillation (58 cases), there was a significantly higher rate of ROSC (56.1% versus 72.4%) and a significantly higher rate of primary survival (41.3% versus 56.9%) in favour of biphasic defibrillation. CONCLUSION: The results of our study show that compliance with valid guidelines is low and furthermore suggest that compliance with guidelines significantly reduces mortality. Future research may be warranted into the question of how to increase compliance with current CPR guidelines in pre-hospital emergency care.

PMID: 20922358 [PubMed - as supplied by publisher]

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