Transition from acute whiplash injury to either recovery or chronicity and the development of chronic whiplash-associated disorders (WAD) remains a challenging issue for researchers and clinicians. The roles of social support and personality traits in long-term functioning following whiplash have not been studied concomitantly. The present study aimed to examine whether social support and personality traits are related to long-term functioning following whiplash. One hundred forty-three subjects, who had experienced a whiplash injury in a traffic accident 10-26 months before the study took place, participated. The initial diagnoses were a 'sprain of the neck' (ICD-9 code 847.0); only the outcome of grades I-III acute WAD was studied. Long-term functioning was considered within the biopsychosocial model: it was expressed in terms of disability, functional status, quality of life and psychological well-being. Participants filled out a set of questionnaires to measure the long-term functioning parameters (i.e. the Neck Disability Index, Medical Outcome Study Short-Form General Health Survey, Anamnestic Comparative Self-Assessment measure of overall well-being and the Symptom Checklist-90) and potential determinants of long-term functioning (the Dutch Personality Questionnaire and the Social Support List). The results suggest that social support (especially the discrepancies dimension of social support) and personality traits (i.e. inadequacy, self-satisfaction and resentment) are related to long-term functioning following whiplash injury (Spearman rho varied between 0.32 and 0.57; p < 0.01). Within the discrepancy dimension, everyday emotional support, emotional support during problems, appreciative support and informative support were identified as important correlates of long-term functioning. Future prospective studies are required to confirm the role of social support and personality traits in relation to long-term functioning following whiplash. For such studies, a broad view of long-term functioning within the biopsychological model should be applied.
55% response rate. Nontreatment decisions occurred in 16.7% of all death cases; in 16%, there was potentially life-shortening use of drugs to alleviate pain and symptoms; in 4.8% of cases, death was deliberately induced by lethal drugs, including EUTH, PAS, and life termination without explicit request by the patient. In their attitudes toward EUTH and PAS, the 92 responding physicians clustered into 3 groups: positive and rule oriented, positive rule-adverse, and opposed. Cluster group membership, commitment to life stance, years of professional experience, and gender were each associated with specific ELD-making patterns.
In a double-blind randomized parallel-group study, six investigators enrolled 43 subjects to study the prophylactic effect of 10 mg cetirizine b.i.d. on grass pollen-induced asthma. The control group received 60 mg b.i.d. terfenadine, given to avoid withdrawals from the trial because of hay fever symptoms. Subjects were included in the study between the appearance of the first symptoms of hay fever and those of pollen-induced asthma. The hay fever and asthma symptoms, visual analogue scores (VAS), FEV1 and self-assessment data on complaints, salvage treatment and peak-flow values were statistically analysed. Both treatments were well tolerated, with a low and similar incidence of side-effects. During the last 3 weeks of treatment, six (32%) of the 19 subjects on cetirizine who were evaluable for efficacy remained free of asthma complaints, and another two (10%) had only a single minor attack. None had a grade 3 (incapacitating) attack. Conversely, only one (5%) of the 20 evaluable subjects on terfenadine remained complaint free, and all others (95%) had multiple attacks, which incapacitated three (15%) of them. Nasal obstruction, dyspnoea, morning peak flow, consumption of beta 2-mimetics and an efficacy index on asthma, combining complaints and rescue drug consumption, were significantly better on cetirizine (P less than 0.05). It is concluded that cetirizine is able to prevent the exacerbation of asthma induced by grass pollen.
In science findings which cannot be extrapolated to other settings are of little value. Recruitment methods vary widely across chronic whiplash studies, but it remains unclear whether this generates recruitment bias. The present study aimed to examine whether the recruitment method accounts for differences in health status, social support, and personality traits in patients with chronic whiplash-associated disorders (WAD). Two different recruitment methods were compared: recruiting patients through a local whiplash patient support group (group 1) and local hospital emergency department (group 2). The participants (n=118) filled in a set of questionnaires: the Neck Disability Index, Medical Outcome Study Short-Form General Health Survey, Anamnestic Comparative Self-Assessment measure of overall well-being, Symptom Checklist-90, Dutch Personality Questionnaire, and the Social Support List. The recruitment method (either through the local emergency department or patient support group) accounted for the differences in insufficiency, somatization, disability, quality of life, self-satisfaction, and dominance (all p values <.01). The recruitment methods generated chronic WAD patients comparable for psychoneurotism, social support, self-sufficiency, (social) inadequacy, rigidity, and resentment (p>.01). The recruitment of chronic WAD patients solely through patient support groups generates bias with respect to the various aspects of health status and personality, but not social support. In order to enhance the external validity of study findings, chronic WAD studies should combine a variety of recruitment procedures.
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