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  • Publication
    Métadonnées seulement
    How Accurate Is Information Transmitted to Medical Professionals Joining a Medical Emergency? A Simulator Study
    (2009)
    Bogenstätter, Yvonne
    ;
    ;
    Semmer, Norbert
    ;
    Spychiger, Martin
    ;
    Breuer, Marc
    ;
    Marsch, Stephan
    Objective: This study used a high-fidelity simulation to examine factors influencing the accuracy of 201 pieces of information transmitted to nurses and physicians joining a medical emergency situation. Background: Inaccurate or incomplete information transmission has been identified as a major problem in medicine. However, only a few studies have assessed possible causes of transmission errors. Method: Each of 20 groups was composed of two or three nurses (first responders), one resident joining the group later, and one senior doctor joining last. Groups treated a patient suffering a cardiac arrest. Results: Multilevel binomial analyses showed that 18% of the information given to newcomers was inaccurate. Quantitative information requiring repeated updating was particularly error prone. Information generated earlier (i.e., older information) was more likely to be transmitted inaccurately. Explicitly encoding information to be transmitted after the physicians arrived at the scene enhanced accuracy, supporting transfer-appropriate processing theory. Conclusion: Information transmitted to nurses and physicians who join an ongoing emergency is only partly reliable. Therefore, medical professionals should not take accuracy for granted and should be aware of the nature of transmission errors. Application: Medical professionals should be trained in adequate encoding of information and in standardized communication procedures with regard to error-prone information. In addition, technical devices should be implemented that reduce reliance on memory regarding information with error-prone characteristics.
  • Publication
    Métadonnées seulement
    Leading to recovery: Group performance and coordinative activities in medical emergency driven groups
    (2006) ;
    Semmer, Norbert
    ;
    Gautschi, Dieter
    ;
    Hunziker, Patrick
    ;
    Spychiger, Martin
    ;
    Marsch, Stephan
    The influence of human factors on team performance was investigated in "medical emergency driven groups" composed of medical professionals treating a sudden cardiac arrest in a high fidelity simulator setting. The group composition is unique, but realistic, in that it is not constant. Three phases are distinguished: In Phase 1, 3 nurses are present; in Phase 2, a resident joins; and in Phase 3 a senior doctor joins. It was hypothesized that directive leadership behavior would enhance group performance. This was supported with regard to the directive leadership behavior of the nurse first on bedside in Phase 1, and for directive leadership of the resident in Phase 2-but only with regard to behavior occurring in the first 30 see after entering the group, which reflects the need for quick action in this time-sensitive task. For Phase 3, we expected not only directive leadership but also indirect guidance by "structuring inquiry" of the senior doctor to enhance performance. This was confirmed for structuring inquiry. Results indicate that to enhance group performance training should go beyond "technical" training that concentrates on medical necessities. Rather, it should include aspects of group coordination, emphasizing that coordinating behavior should be adapted (a) to the situation and (b) to professional role requirements.