David Bergman

Effects of dialogue groups on physicians' work environment

PURPOSE The purpose of this study is to evaluate whether dialogue groups for physicians can improve their psychosocial work environment. DESIGN/METHODOLOGY/APPROACH The study assessed the impact of eight dialogue groups, which involved 60 physicians at a childrens clinic in one of the main hospitals in Stockholm. Psychosocial work environment measures were collected through a validated instrument sent to all physicians (n = 68) in 1999, 2001 and 2003. Follow-up data were collected after the termination of the groups. FINDINGS The overall score of organizational and staff wellbeing, as assessed by the physicians at the clinic, deteriorated from 1999 until 2003 and then improved 2004. This shift in the trend coincided with the intervention. No other factors which might explain this shift could be identified. RESEARCH LIMITATIONS/IMPLICATIONS In a naturalistic study of this kind it is not possible to prove any causal relationships. A controlled survey of management programmes concerning the work environment among physicians would be of interest for further research. PRACTICAL IMPLICATIONS The results suggest that dialogue groups may be one way to improve the psychosocial work environment for physicians. ORIGINALITY/VALUE There is a lack of intervention studies regarding the efficacy of management programmes directed toward physicians, concerning the effects on professional and personal wellbeing. This is the first time dialogue groups have been studied within a health care setting.

Effect of cortisol-synthesis inhibition on endotoxin-induced porcine acute lung injury, shock, and nitric oxide production.

In the process of developing a model of Escherichia coli endotoxin-induced acute lung injury and shock in specific pathogen-free pigs, the effects of pretreatment with metyrapone (a cortisol-synthesis inhibitor) were examined. Metyrapone was administered 1.5 h before start of endotoxin infusion at t = 0 h (MET-ETOX group, n = 6). At the end of the experiments (t = 4 h) a bronchoalveolar lavage (BAL) was performed. Control animals received only endotoxin (CON-ETOX group, n = 6) or metyrapone (MET-CON group, n = 4). The following results are presented as means +/- SEM. It was found that metyrapone successfully blocked endogenous cortisol synthesis (plasma cortisol levels were 41.0 +/- 5.9 nM in MET-ETOX vs. 339.0 +/- 37.7 nM in CON-ETOX at t = 4 h, P <0.01). At t = 4 h the MET-ETOX animals had substantially increased systemic hypotension compared to the CON-ETOX group (mean arterial pressure 26.7 +/- 4.3 vs. 77.7 +/- 12.2 mmHg, P <0.01), decreased dynamic lung compliance (10.9 +/- 0.7 vs. 13.7 +/- 0.6 ml/cmH2O, P <0.01), increased percentage of BAL neutrophils (28.4 +/- 6.5 vs. 6.6 +/-1.8, P <0.01), pulmonary edema (BAL total protein 0.82 +/- 0.21 vs. 0.42 +/- 0.09 mg/mL, P <0.05), elevated levels of interleukin-8 (1924 +/- 275 vs. 324 +/- 131 pg/mL, P <0.01) and acidosis (pH 7.11 +/- 0.03 vs. 7.23 +/- 0.06, P <0.05). The MET-ETOX group also showed an increased pulmonary hypertension between 2 and 3 h after start of endotoxin infusion and a trend toward significantly increased levels of plasma interleukin-8 (P = 0.052). Arterial pCO2, pO2/FiO2, plasma endothelin-1, plasma TNFalpha, and blood leukocytes were not markedly influenced by the plasma cortisol levels. Nitric oxide production did not seem to be altered by endotoxin infusion in this model, in contrast to other animal studies; this discrepancy could be thought to be due to endotoxin-dosage differences or species differences. It is concluded that if endogenous cortisol production is blocked by metyrapone, the reactions occurring as a result of the endotoxin-induced acute lung injury and shock are greatly enhanced and that therefore pretreatment with metyrapone might be an important addition to this model with specific pathogen-free pigs.

Teaching group dynamics - do we know what we are doing?: An approach to evaluation

Background: Research into the efficacy of programs of leadership and group dynamics in undergraduate medical education is sparse. Aims: The aim of this study was to apply and test a pre- post evaluation design of a one-week experiential learning based course of group dynamics. Methods: Two questionnaires were sent to 160 medical students, before and after the course. The response rate was acceptable (73%). Results: While there was a small change in attitudes towards openness in their professional role and group dynamics, there was a major change in two subgroups of students to these topics. The students who were least interested in collaborative constructivist learning and those students who mainly looked for practical value were the students who changed their attitudes most towards openness in their professional role. Conclusions: It appears that those students who would be least likely to voluntarily attend such a course were the ones who learned the most. This study does not allow for any generalizations regarding the outcome of experiential learning of group dynamics, but it is an argument for the use of systematic evaluations in order to identify students who can benefit from courses aimed at improving profound knowledge.

Nitric oxide synthase inhibition augments acute allergic reactions in the pig airways in vivo

The aim of this study was to examine the effects of nitric oxide synthase inhibition on antigen- and histamine-induced acute airway reactions, in order to clarify the possible modulating role of NO. Twelve specific-pathogen-free pigs (sensitized with Ascaris suum antigen) were challenged with an antigen aerosol during mechanical ventilation and anaesthesia. Six pigs were pretreated with N(G)-nitro-L-arginine (L-NA, 10 mg x kg(-1)), a NO synthase inhibitor, 30 min before challenge. In separate experiments, seven sensitized pigs received histamine (5 mg) aerosols before and after L-NA treatment. It was found that pretreatment with L-NA resulted in an enhanced airways resistance response to antigen (areas under the curve 0-90 min were (mean+/-SEM) 1,119+/-160 versus 555+/-56 (cmH2O x L(-1) x s(-1) x min for controls, p<0.05 (Mann-Whitney U-test), whereas this response to histamine was not affected by L-NA. Moreover, L-NA pretreatment significantly enhanced total protein (1.85+/-0.43 versus 0.31+/-0.06 g x L(-1), p<0.01) and histamine levels (42.8+/-16.0 versus 2.6+/-0.8 nM, p<0.05) in bronchoalveolar lavage fluid 45 min after antigen challenge. In conclusion, this study showed that N(G)-nitro-L-arginine enhanced reactions occurring during the acute allergic reaction in pigs in vivo. This indicates a protective role of nitric oxide, which might occur through downregulation of histamine release from mast cells rather than a direct bronchodilating effect of nitric oxide.

What do we think about them and what do they think about us? Social representations of interprofessional and interorganizational collaboration in the welfare sector

ABSTRACT Professionals in healthcare, social services, and schools often collaborate when addressing children and adolescents with complex psychosocial needs. Based on theory of social representations, we investigated how professionals in the mentioned organizations perceived each other through their experiences of collaboration. Twenty-nine unit managers and 35 staff members were interviewed in 12 focus groups, and the data collected were subjected to content analysis. Most social representations indicated complex and problematic interprofessional collaboration, although some were positive in nature. We also found social representations regarding ignorance of each other’s organizations, distrust, unavailability, and uncommunicativeness. Conceptions of the other party’s way of thinking appeared to include adverse attitudes and low expectations from the other side. Concurrently, there was mutual understanding of the limited room to maneuver and heavy workloads. The professionals’ perceptions reflected frustration and ambivalence, and also indicated that dialogue was prevented by established boundaries and low expectations. We conclude that arenas are needed for productive dialogue and exchange of relevant knowledge in such collaborative systems, and that management should enable staff to collaborate based on the existing boundaries.

Do views on psychosocial needs of children and adolescents differ among professionals depending on their organisational affiliation? A qualitative study

ABSTRACT Unit managers and employees in schools, social services, and child and adolescent mental health services (CAMHS) were asked to describe their views on children’s and adolescents’ psychosocial needs when collaboration was required. A descriptive case study design was employed and data were gathered from 23 professionals in six focus groups. The data were analysed by the use of an inductive content approach. Disparities were identified that were interpreted as different approaches to children’s needs, which we designated individual (CAMHS), contextual (social services), and educational (schools) approaches. These were perceived as emerging from the professional representations of children’s needs that were created within each working group. The organisational affiliation seemed however to have a stronger influence than professional education, regarding the view of children’s needs. We suggest that it would be an advantage for professionals to be able to participate in dialogue groups to discuss the meaning of their organisational and professional affiliations, and how this affects their views. Rather than formal knowledge, such dialogues should contain more essential knowledge related to the professionals’ approaches to children’s needs and to the diversities in the way they think and work in a “give-and-take” process. This might influence their way of thinking and working with children and adolescents, and strengthen their understanding of each other’s work.