17 results on '"Wenzel, V."'
Search Results
2. Anästhesiologie-Publikationen aus Deutschland, Österreich und der Schweiz 2011–2015 : Wissenschaftliche Publikationen der Universitätskliniken in D‑A-CH.
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Miller, C., Ausserer, J., Putzer, G., Hamm, P., Herff, H., Wenzel, V., and Paal, P.
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PUBLISHING ,ANESTHESIOLOGY ,ACADEMIC medical centers - Abstract
Copyright of Anaesthesist is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2019
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3. Falsch-positive Todesfeststellungen.
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Herff, H., Loosen, S.-J., Paal, P., Mitterlechner, T., Rabl, W., and Wenzel, V.
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DIAGNOSTIC errors ,BLOOD circulation ,PROOF & certification of death - Abstract
Copyright of Anaesthesist is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2010
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4. Fatal errors in nitrous oxide delivery.
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Herff, H., Paal, P., von Goedecke, A., Lindner, K. H., Keller, C., and Wenzel, V.
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NITROUS oxide ,MEDLINE ,ANESTHESIA ,OXYGEN - Abstract
Nitrous oxide continues to be used frequently and the possibility of inadvertent fatal hypoxaemia resulting from technical errors with its administration still exists. A Medline analysis revealed only a few case reports over the last 30 years, and a closed claim analysis only reported ‘claims involving oxygen supply lines’ predating 1990. The aim of this study was to assess the frequency of nitrous oxide-related catastrophes during general anaesthesia in Germany, Austria, and Switzerland. As nitrous oxide-related anaesthesia casualties are rare but generally prosecuted, they almost invariably attract significant media attention. We scanned mass media archives from April 2004 until October 2006 for nitrous oxide-related disasters during general anaesthesia. This approach detected six incidents which were almost certainly nitrous oxide ventilation-related deaths. Searching non-scientific data bases demonstrates that severe incidents involving oxygen supply lines occurred after 1990, and may be much more frequent than previously thought. [ABSTRACT FROM AUTHOR]
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- 2007
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5. [Terrorist attack training exercise-What can be learned? : Baden-Württemberg counterterrorism exercise (BWTEX)].
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Pfenninger EG, Klingler W, Keiloweit T, Eble M, Wenzel V, and Krüger WA
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- Emergency Service, Hospital organization & administration, Germany, Hospitalization, Hospitals, Humans, Mass Casualty Incidents, Simulation Training, Terrorism, Disaster Planning methods, Emergency Medical Services organization & administration, Triage methods
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Background: There is a risk of terror attacks in the Federal Republic of Germany, which might increase in the future. A timely comprehensive strategy for treatment and care of a large number of casualties helps minimize chaos and improve the outcome of patients. Adequate training is vital for successful implementation of an emergency plan. Therefore, the effectiveness of training should be assessed and evaluated; however, data collection capabilities for training events are extremely limited, so that publications on the topic are almost impossible to find., Objective: This study aimed to collect data from a simulated terrorist attack in order to draw conclusions from a clinical point of view concerning the improvement of preclinical and clinical management, taking interface problems into consideration., Material and Methods: On 19 October 2019 the Ministry of the Interior, Digitalization and Migration of Baden-Württemberg conducted a large-scale simulation of a terrorist attack in the city center of Constance, called the Baden-Württemberg counterterrorism exercise (BWTEX). The simulation included an explosion of a car bomb as well as the use of firearms by terrorists. The large scale of the simulation with the high number of participants in combination with close cooperation between military and civil forces was unprecedented. The police force, the armed forces, civil protection forces, air rescue teams and staff from Constance, Friedrichshafen and Sigmaringen regional hospitals in southwest Germany worked together to treat simulated injuries to victims of the attack. The following parameters were recorded when the injured patients arrived at the hospital: prehospital triage time, prehospital triage score, initial treatment and quality of documentation on site as well as triage time, triage score, injury severity scale (ISS) score based on the specified injury pattern, treatment, and quality of documentation on hospital arrival., Results: Out of a total of 84 "injured patients" 55 were admitted to hospital and 80% were triaged at the scene. Injured patients of triage category 1 (TK1 red: life-threatening injury, immediate treatment) arrived at the hospital 198 ± 50 min after the attack, injured patients of triage category 2 (TK2 yellow: severely injured, urgent treatment) after 131 ± 44 min and injured patients of triage category 3 (TK3 green: slightly injured, non-urgent treatment) arrived after 157 ± 46 min. There was no significant difference in terms of arrival time at the hospital between the triage scores (r = 0.2) or between the ISS scores (r = 0.43). The authors assume that approximately 44% of TK1 patients would have died due to avoidable time delays. Prehospital medical documentation was insufficient in 78% and insufficient in 65% in the hospitals., Conclusion: A mass casualty incident resulting from a terrorist attack differs greatly from a conventional mass casualty incident. The scene of the attack has to be evacuated as quickly as possible, which means that a large number of patients arrive untreated at the nearest hospitals. The setting up of treatment facilities in city centers and areas close to the city seems to be counterproductive because the time delay may result in higher mortality rates of victims. The particularities of mass casualties caused by a terrorist attack have to be incorporated into terrorist attack training.
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- 2020
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6. [Publications by university Departments of Anaesthesiology from Germany, Austria and Switzerland in 2011-2015 : Scientific publications by university hospitals in D‑A-CH].
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Miller C, Ausserer J, Putzer G, Hamm P, Herff H, Wenzel V, and Paal P
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- Austria, Germany, Humans, Switzerland, Anesthesiology, Hospitals, University, Publishing statistics & numerical data
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Background: This study presents a count of publications and citations for all articles published by university Departments of Anaesthesiology in Germany, Austria and Switzerland between 2011 and 2015. The results were compared with former analyses of these countries from 2001-2010 as well as similar international studies., Methods: We performed a PubMed search based on PERL-scripts for all publications originating from university Departments of Anaesthesiology in Germany, Austria and Switzerland between 2011 and 2015. According to their author's affiliation, articles were assigned to their affiliated university department. Publications were considered an original article if the category of publication was classified as original research in PubMed. Predatory journals were omitted by using PubMed-listed journals only. Data of citations was retrieved from Thomson Reuter's ISI Web of Knowledge. The following indicators were reported: the number of publications and original articles (counting each author and first authors only) and the share of original articles out of all publications. With regard to citations, we reported the overall number, the percentage of publications, which were cited at least once and the median of citations per publication and per original article as well as the calculated h-index., Results: The 47 university Departments of Anaesthesiology published 4.697 articles between 2011 and 2015, which make up 89% of all anaesthesiology research originating from Germany, Austria and Switzerland (overall 5.284 publications). Of these, 1.037 (22%) were classified as original articles. Considering only articles with first authors, equalizing a change of PubMed's affiliation field policy in 2012 to compare the numbers with previous periods, 3.709 publications and 821 original articles were published. 90% of all publications and 96% of original articles, respectively, were cited at least once. Publications were cited six times, while original articles were cited nine times. The university department of Anaesthesiology in Zurich published most (n = 245), while most original articles were published in Vienna (n = 77). The highest share of original articles was achieved by Vienna (37%). Publications from Berlin - Benjamin Franklin and Jena (11 citations per publication) and original articles from Essen (23,5 citations per original article) achieved the highest citation rates., Discussion: In contrast to the worldwide increasing trend, the number of publications of the university Departments of Anaesthesiology in Germany, Austria and Switzerland stagnated. The share of original articles out of all publications continues to decline in comparison to 2001-2010 (-6%). Despite this, original articles were cited more frequently and thus had a higher value for the scientific community. The reasons of the decrease in the number of original articles remain unclear and require further investigation to reverse this negative trend., Conclusion: Strategies to foster academic work in anaesthesiology in Germany, Austria and Switzerland are required.
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- 2019
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7. Blood glucose concentrations in prehospital trauma patients with traumatic shock: A retrospective analysis.
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Kreutziger J, Lederer W, Schmid S, Ulmer H, Wenzel V, Nijsten MW, Werner D, and Schlechtriemen T
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- Adolescent, Adult, Aged, Aged, 80 and over, Air Ambulances, Biomarkers blood, Databases, Factual, Female, Germany, Humans, Male, Middle Aged, Predictive Value of Tests, Prognosis, Retrospective Studies, Risk Assessment, Risk Factors, Shock, Traumatic diagnosis, Shock, Traumatic mortality, Shock, Traumatic therapy, Trauma Severity Indices, Young Adult, Blood Glucose metabolism, Emergency Medical Services, Shock, Traumatic blood
- Abstract
Background: Deranged glucose metabolism after moderate to severe trauma with either high or low concentrations of blood glucose is associated with poorer outcome. Data on prehospital blood glucose concentrations and trauma are scarce., Objectives: The primary aim was to describe the relationship between traumatic shock and prehospital blood glucose concentrations. The secondary aim was to determine the additional predictive value of prehospital blood glucose concentration for traumatic shock when compared with vital parameters alone., Design: Retrospective analysis of the predefined, observational database of a nationwide Helicopter Emergency Medical Service (34 bases)., Setting: Emergency trauma patients treated by Helicopter Emergency Medical Service between 2005 and 2013 were investigated., Patients: All adult trauma patients (≥18 years) with recorded blood glucose concentrations were enrolled., Outcomes: Primary outcome: upper and lower thresholds of blood glucose concentration more commonly associated with traumatic shock. Secondary outcome: additional predictive value of prehospital blood glucose concentrations when compared with vital parameters alone., Results: Of 51 936 trauma patients, 20 177 were included. In total, 220 (1.1%) patients died on scene. Hypoglycaemia (blood glucose concentration 2.8 mmol l or less) was observed in 132 (0.7%) patients, hyperglycaemia (blood glucose concentration exceeding 15 mmol l) was observed in 265 patients (1.3%). Blood glucose concentrations more than 10 mmol l (n = 1308 (6.5%)) and 2.8 mmol l or less were more common in patients with traumatic shock (P < 0.0001). The Youden index for traumatic shock ((sensitivity + specificity) - 1) was highest when blood glucose concentration was 3.35 mmol l (P < 0.001) for patients with low blood glucose concentrations and 7.75 mmol l (P < 0.001) for those with high blood glucose concentrations. In logistic regression analysis of patients with spontaneous circulation on scene, prehospital blood glucose concentrations (together with common vital parameters: Glasgow Coma Scale, heart rate, blood pressure, breathing frequency) significantly improved the prediction of traumatic shock in comparison with prediction by common vital parameters alone (P < 0.0001)., Conclusion: In adult trauma patients, low and high blood glucose concentrations were more common in patients with traumatic shock. Prehospital blood glucose concentration measurements in addition to common vital parameters may help identify patients at risk of traumatic shock.
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- 2018
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8. [German Resuscitation Register : lots of quality management at low cost].
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Kreutziger J and Wenzel V
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- Germany epidemiology, Humans, Multiple Trauma, Death, Sudden, Cardiac epidemiology, Registries, Resuscitation statistics & numerical data
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- 2014
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9. [Publication performances of university clinics for anesthesiology: Germany, Austria and Switzerland from 2001 to 2010].
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Putzer G, Ausserer J, Wenzel V, Pehböck D, Widmann T, Lindner K, Hamm P, and Paal P
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- Anesthesiology statistics & numerical data, Austria, Germany, Journal Impact Factor, PubMed standards, PubMed statistics & numerical data, Publishing statistics & numerical data, Switzerland, Universities statistics & numerical data, Anesthesiology trends, Publishing trends, Universities trends
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Aim: This study assessed the publication performance of university departments of anesthesiology in Austria, Germany and Switzerland. The number of publications, original articles, impact factors and citations were evaluated., Material and Methods: A search was performed in PubMed to identify publications related to anesthesiology from 2001 to 2010. All articles from anesthesiology journals listed in the fields of anesthesia/pain therapy, critical care and emergency medicine by the "journal citation report 2013" in Thomson Reuters ISI web of knowledge were included. Articles from non-anaesthesiology journals, where the stem of the word anesthesia (anes*, anaes*, anäst*, anast*) appears in the affiliation field of PubMed, were included as well. The time periods 2001-2005 and 2006-2010 were compared. Articles were allocated to university departments in Austria, Germany and Switzerland via the affiliation field., Results: A total of 45 university departments in Austria, Germany and Switzerland and 125,979 publications from 2,863 journals (65 anesthesiology journals, 2,798 non-anesthesiology journals) were analyzed. Of the publications 23 % could not be allocated to a given university department of anesthesiology. In the observation period the university department of anesthesiology in Berlin achieved most publications (n = 479) and impact points (1,384), whereas Vienna accumulated most original articles (n = 156). Austria had the most publications per million inhabitants in 2006-2010 (n=50) followed by Switzerland (n=49) and Germany (n=35). The number of publications during the observation period decreased in Germany (0.5 %), Austria (7 %) and Switzerland (8 %). Tables 2 and 4-8 of this article are available at Springer Link under Supplemental., Conclusions: The research performance varied among the university departments of anesthesiology in Germany, Austria and Switzerland whereby larger university departments, such as Berlin or Vienna published most. Publication output in Germany, Austria and Switzerland has decreased. Data processing in PubMed should be improved.
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- 2014
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10. [Out-of-hospital emergency medicine in Germany, Austria and Switzerland : randomized prospective studies from 1990 to 2012].
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Ausserer J, Abt T, Stadlbauer KH, Paal P, Kreutziger J, Lindner KH, and Wenzel V
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- Austria, Emergency Medical Services statistics & numerical data, Emergency Medicine statistics & numerical data, Germany, Humans, Prospective Studies, Review Literature as Topic, Switzerland, Emergency Medical Services trends, Emergency Medicine trends, Randomized Controlled Trials as Topic statistics & numerical data
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Background: Only randomized clinical trials can improve the outcome of life-threatening injuries or diseases but observations from England and North America suggest that the number of such randomized clinical trials is decreasing. In this study contributions from German speaking countries with regards to randomized clinical trials in emergency medicine over the last 22 years were investigated., Methods: The Medline database was searched from January 1990 to December 2012 for prospective randomized clinical trials in the prehospital setting using the criteria "cardiac arrest", "cardiopulmonary resuscitation", "multiple trauma", "hemorrhagic shock", "head trauma", "stroke" as well as myocardial infarction and emergency medical service. Only studies originating from Germany, Austria or Switzerland were included., Results: A total of 474 studies were found and 25 studies (5.3 %) fulfilled the inclusion criteria. In the last 22 years German speaking countries have published approximately one prospective, randomized, clinical trial per year on prehospital emergency medicine. The median number of patients included in the trials was 159 (minimum 16, maximum 1,219). Most (80 %) studies originated from Germany and most (64 %) studies were conducted by anesthesiology departments. Cardiac arrest was the most frequent subject of the investigated studies. Approximately 50 % of the studies had financial support from industrial companies., Conclusion: A significant increase or decrease in the number of prospective randomized clinical trials in the out-of-hospital setting could not be found in German speaking countries despite the fact that the absolute numbers of studies had increased. Only about one prospective, randomized clinical trial with an emergency medicine core tracer diagnosis originated from Germany, Austria and Switzerland per year.
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- 2014
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11. [Suicide in medical students: case series].
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Kamski L, Frank E, and Wenzel V
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- Adult, Austria epidemiology, Female, Germany epidemiology, Humans, Male, Risk Factors, Suicidal Ideation, Switzerland epidemiology, Young Adult, Students, Medical psychology, Students, Medical statistics & numerical data, Suicide statistics & numerical data
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Background: Suicide rates of male and female physicians are about 3-5 times higher compared with the general public. Detailed studies about medical student suicides in the United States exist but similar current data from German speaking countries are lacking., Methods: In this study suicide among medical students in Germany, Austria and Switzerland was analyzed using Medline and Google search engines and information from insurance companies, public institutions, statistical agencies and leading scientists in Germany, Austria and Switzerland was requested. The incidence of suicide among medical students at the Medical University of Innsbruck was also examined., Results: In publications from German speaking countries some medical student suicides are mentioned but current statistics were not available. Between 2006 and 2011 the Tyrolean State Police in Austria registered 14 suicides by students of all disciplines. At Innsbruck Medical University (approximately 2,800 medical students) it was found that 6 medical students committed suicide between June 2007 and June 2012 (rate 36 per 100,000)., Conclusions: The suicide risk of medical students at the Medical University of Innsbruck appears to be increased. Because of a lack of comparable data it is not possible to show whether these observations can be extrapolated to other universities. It appears that there was no single special event which triggered suicide by the medical students but a combination of individual risk factors and the environment was involved. However, this problem receives insufficient attention.
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- 2012
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12. [False positive death certification. Does the Lazarus phenomenon partly explain false positive death certification by rescue services in Germany, Austria and Switzerland?].
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Herff H, Loosen SJ, Paal P, Mitterlechner T, Rabl W, and Wenzel V
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- Adult, Aged, Aged, 80 and over, Austria epidemiology, False Positive Reactions, Female, Germany epidemiology, Humans, Male, Middle Aged, Remission, Spontaneous, Switzerland epidemiology, Death Certificates, Emergency Medical Services
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Apart from misdiagnosis, the Lazarus phenomenon, a spontaneous return of circulation after cardiac arrest, is a potential cause for false positive death certification. Because of medicolegal consequences and thus a negative publication bias, the incidence of false positive death certification is unknown. As a false positive death certification results in criminal prosecution and thus media interest, numerous media archives in Germany, Austria and Switzerland were searched for such reports. A total of nine cases of false positive death certification in these three countries were identified since the early 1990s of which eight occurred in an emergency medical service system setting. Apart from a lack of diligence of emergency physicians, a Lazarus phenomenon could be the reason for such incidents. As definite signs of death will not have developed only a few minutes after stopping CPR it might be difficult for an emergency physician to definitely certify a patient's death in an out-of-hospital setting with 100% safety. Thus, prehospital death certification poses a risk of error and subsequent legal prosecution of the emergency physician, as a Lazarus phenomenon may still occur in this phase. Delegation of death certification from emergency physicians to qualified physicians in a follow-up examination might increase both legal safety for emergency physicians in the field and patient safety.
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- 2010
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13. The life skills program IPSY: positive influences on school bonding and prevention of substance misuse.
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Wenzel V, Weichold K, and Silbereisen RK
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- Adolescent, Child, Female, Germany epidemiology, Humans, Male, Negotiating, Program Development, Program Evaluation, Social Adjustment, Substance-Related Disorders epidemiology, Surveys and Questionnaires, Object Attachment, Psychology, Adolescent, Substance-Related Disorders prevention & control
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The present study investigated whether a life skills program (LSP) for the prevention of adolescent substance misuse can have positive influences on a school context and on school bonding. The study also explored whether effects on alcohol use are mediated by positive effects on school bonding resulting from program participation. The LSP IPSY (Information+Psychosocial Competence=Protection) was implemented over a 3-year period via specially trained teachers. Analyses were based on a German evaluation study utilizing a quasi-experimental design (intervention/control) with school-wise assignment to the respective groups. Analyses were based on four measurement points (N=952, 10 years at pre-test). Results indicated that IPSY was well implemented, highly accepted by teachers and students, and that teachers profited regarding their teaching methods. ANCOVAS revealed positive program effects on alcohol use and school bonding. Multiple regressions indicated that positive influences on school bonding following program participation partially mediated effects on alcohol use.
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- 2009
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14. Out-of-hospital thrombolysis during cardiopulmonary resuscitation in patients with high likelihood of ST-elevation myocardial infarction.
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Arntz HR, Wenzel V, Dissmann R, Marschalk A, Breckwoldt J, and Müller D
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- Aspirin administration & dosage, Drug Therapy, Combination, Female, Fibrinolytic Agents administration & dosage, Follow-Up Studies, Germany epidemiology, Heart Arrest etiology, Heart Arrest mortality, Humans, Injections, Intravenous, Male, Middle Aged, Myocardial Infarction complications, Myocardial Infarction physiopathology, Retrospective Studies, Risk Factors, Survival Rate, Time Factors, Treatment Outcome, Cardiopulmonary Resuscitation methods, Emergency Medical Services methods, Heart Arrest therapy, Myocardial Infarction drug therapy, Outpatients, Streptokinase administration & dosage, Thrombolytic Therapy methods
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Up to 90% of cardiac arrests are due to acute myocardial infarction or severe myocardial ischaemia. Thrombolysis is an effective treatment for ST-elevation myocardial infarction (STEMI), but there is no evidence or guideline to put forward a thrombolysis strategy during cardiopulmonary resuscitation (CPR). In two physician-manned emergency medical service (EMS) units in Berlin, Germany, using thrombolysis is based on an individual judgment of the EMS physician managing the CPR attempt. In this retrospective analysis over 3 years (total 22.164 scene calls), thrombolysis was started at the scene in 50 patients during brief intermittent phases of spontaneous circulation, and in 3 patients during ongoing CPR. On-scene diagnosis of myocardial infarction was established in 45 patients (85%) by a 12-lead ECG, 5 (9%) patients had a left bundle branch block. Sixteen patients (30%) died at the scene, 37 patients (70%) were admitted to a hospital. In-hospital mortality was 35% (13 of 37 patients), with cause of death being cardiogenic shock in nine patients, hypoxic cerebral coma in two and acute haemorrhage in two other patients. All 24 of 53 (45%) survivors were discharged with an excellent neurological recovery. CPR was started by an EMS physician in 18 of the 24 survivals (75%) and emergency medical technicians who arrived first in six (25%). Duration of CPR until return of spontaneous circulation was <10 min in 13 of 24 (54%) of the survivors. Thrombolysis was initiated during intermittent phases of spontaneous circulation in 50 (94%) of all patients and in 23 (96%) of the 24 survivors. In conclusion, this retrospective analysis shows excellent survival rates and neurological outcome in selected patients with a high likelihood of myocardial infarction, who develop cardiac arrest and are treated with thrombolysis.
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- 2008
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15. [Old drugs and new approval procedures: Akrinor remains marketable and an application for reapproval of Arginin Vasopressin has been made].
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Koch T and Wenzel V
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- Critical Care, Drug Combinations, Drug Industry, Germany, Humans, Theophylline therapeutic use, Arginine Vasopressin therapeutic use, Cardiovascular Agents therapeutic use, Drug Approval, Theophylline analogs & derivatives, Vasoconstrictor Agents therapeutic use
- Published
- 2006
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16. A new universal laryngoscope blade: a preliminary comparison with Macintosh laryngoscope blades.
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Gerlach K, Wenzel V, von Knobelsdorff G, Steinfath M, and Dörges V
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- Adult, Chi-Square Distribution, Child, Child, Preschool, Equipment Design, Equipment Safety, Female, Germany, Humans, Intubation, Intratracheal methods, Laryngoscopes, Male, Manikins, Probability, Prospective Studies, Sensitivity and Specificity, Statistics, Nonparametric, Intubation, Intratracheal instrumentation, Laryngoscopy methods
- Abstract
The Dörges universal laryngoscope blade has several features designed to facilitate tracheal intubation. The number of laryngoscope blades may be reduced from four to two, or even one, which indicate less space requirement and costs. This new universal laryngoscope blade, has a lower profile (height 15 vs. 22 mm) than a Macintosh laryngoscope blade size 3 and 4, which may facilitate manoeuvring of the laryngoscope in the mouth. In random order, 40 non-anaesthesia senior house officers used a Macintosh laryngoscope blade size 3 or 4 in an adult airway management trainer, a Macintosh laryngoscope blade size 2 in a paediatric airway management trainer, and the Dörges universal laryngoscope blade for both airway management trainers to perform orotracheal intubation. The number of intubation attempts and failures was counted. Participants reported the laryngoscopic view according to Cormack and Lehane. The time from touching the laryngoscope to the first adequate lung insufflation was measured, and subjective assessment regarding handling of both blades was recorded. Number of intubation failures, the laryngoscopic view according to Cormack and Lehane, and subjective assessment was comparable between groups. Orotracheal intubation of the adult airway management trainer with the Dörges universal laryngoscope blade took significantly less time compared to the Macintosh laryngoscope blades (14 (7-57) vs. 20 (8-43) s; P<0.001); all other intubating times were comparable. In conclusion, in this model, the Dörges universal laryngoscope blade was comparable to the Macintosh laryngoscope blades size 2-4, and may save time, cost and space.
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- 2003
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17. Poor correlation of mouth-to-mouth ventilation skills after basic life support training and 6 months later.
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Wenzel V, Lehmkuhl P, Kubilis PS, Idris AH, and Pichlmayr I
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- Adult, Cardiopulmonary Resuscitation standards, Clinical Competence, Educational Measurement, Female, Germany, Hospitals, University, Humans, Male, Manikins, Respiration, Artificial methods, Respiratory Function Tests, Students, Medical, Tidal Volume, Time Factors, Cardiopulmonary Resuscitation education, Education, Medical, Undergraduate, Life Support Care standards
- Abstract
The purpose of the present study was to evaluate the cardiopulmonary resuscitation (CPR) skills of medical students after a 2-h basic life support class (n = 129) and 6 months later (n = 113). Mean +/- SD written test score decreased from 6.4 +/- 0.7 to 6.2 +/- 0.8 (P = 0.03). Mean +/- SD breaths delivered before CPR decreased from 2.9 +/- 0.6 to 2.2 +/- 1.2 (P = 0.0001), ventilation rate increased from 12.2 +/- 1.9 to 14.3 +/- 5.0 breaths/min (P = 0.0001), tidal volume increased from 0.75 +/- 0.2 to 0.8 +/- 0.31 (P = 0.11), minute ventilation from 9.1 +/- 2.6 to 10.8 +/- 3.61 (P = 0.0001), and stomach inflation from 13 +/- 22 to 18 +/- 27% of CPR breaths (P = 0.11). Mean +/- SD chest compression/min decreased from 56 +/- 9 to 54 +/- 12 (P = 0.34), depth of chest compression increased from 41 +/- 6 to 46 +/- 7 mm (P = 0.0001), hands held incorrectly on the thorax increased from 22 +/- 27 to 23 +/- 32% (P = 0.59), and leaning on the chest from 4 +/- 12 to 18 +/- 28% of compressions (P < 0.0001). In summary, ventilation skills were unpredictable; there was only a 5% chance that a given student would achieve the same mouth-to-mouth ventilation performance in both the BLS class and 6 months later. Despite the respiratory mechanics of the CPR manikin which prevented stomach inflation much better than an unconscious patient with an unprotected airway, stomach inflation occurred repeatedly. Teachers of basic life support classes need to consider the respiratory mechanics of the CPR manikin being used to assure clinically realistic and appropriate mouth-to-mouth ventilation skills.
- Published
- 1997
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