[Does the crisis of health services originate in shortage of resources or shortage of theories?].
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Efficiency↗
Biomedical subjects
B Guldvog
Publications and source records attributed to B Guldvog.
Time variations in injury incidence.
STUDY OBJECTIVE: to present time variations in the incidence of injuries on a community level. POPULATION AND METHODS: all injuries which occurred in a defined population of the municipality of Harstad were registered prospectively from 1 January 1986 to 31 December 1991. Variations over time in monthly incidence of seven types of injuries (home, traffic, street, sports, work, other, unknown) were analysed by the Autoregressive Integrated Moving Average Analysis (ARIMA). RESULTS: a total of 9,685 injuries was registered during the six year follow-up period. No significant secular trend was observed for any of the analysed types of injuries. Series of monthly incidence of traffic, street, and sports injuries showed seasonal-dependent variations. Incidence of traffic injuries was highest during the summer months, while incidence of sports and street injuries was highest during the winter months. CONCLUSIONS: both the existence of seasonal dependency in injury incidence and the relatively high random variations in monthly injury incidence imply that evaluation of community based injury control programmes should include incidence during at least a one year period before the intervention has started.
Community Health Services↗
[Risk of injuries among older drivers].
In a population of 307,486 persons living in four Norwegian cities a total of 2,189 road traffic injuries requiring treatment in hospitals or casualty wards occurred in 1990. 4.4% of the injured were between 65-74 years of age, and 2.9% were older than 75. The incidence of injuries from road traffic accidents was greatest among the youngest group (18-24 years), and decreased with increasing age. We also analyzed the traffic accident risk per million kilometers driven. The driver's risk of injury was highest for adolescents (18-24 years), and decreased with increasing age (up to 75 years). The youngest driver runs the greatest risk of injury in traffic. Drivers in the 65-75 age group have a lower risk of injury per kilometers driven, in this group the incidence of traffic accidents is lower than the average for all drivers. The injury statistics provide no indication that older drivers should be required to renew their license more frequently.
Accidents, Traffic↗
[A strategy of health for all--are we reaching our target to reduce mortality?].
In the late seventies the World Health Organization developed a strategy of Health for all towards year 2000, to which Norwegian health authorities have consented. This article presents and discusses the sub-goals for expectation of life and mortality, and analyzes the possibilities of reaching them. The desired reduction of at least 25% in accident mortality rates and cardiovascular mortality rates in relation to the reference period 1976-80 will probably be reached. In addition, the desired 15% reduction in cancer mortality is likely to be reached for persons under 40 years of age. Infant mortality does not appear to be declining, cancer mortality for people over 40 years of age is increasing, and the suicidal and homicidal rates are increasing faster than any other cause of death. The possibilities of reversing this development require a structured plan and comprehensive changes in the way society is organized, with more emphasis on care, social network planning and reduction of the multicausal risk load that modern life implies. Some of the sub-goals are not sufficiently founded on accessible information, and should be revised.
Adolescent↗
Sogn and Fjordane county community-based injury prevention: evaluation design.
The Sogn and Fjordane Injury Prevention Programme is a community-based research and demonstration project located in the Sogn and Fjordane county (S&F county) in Western Norway. The aim of the project is: (i) to further effective intervention; (ii) to be cost-effective; (iii) to provide information about local community based injury intervention. Liaison groups on injury prevention will be organised in 24 communities participating in the project. Starting 1 April 1993 they will be supplied with local specific injury rates obtained from the all-injury registration of the National Injury Surveillance System. The intervention design includes feedback of three types of information: (1) home and traffic injury rates; (2) sports, occupational, school, and outdoor injury rates; (3) both (1) + (2). The liaison groups will be asked to concentrate their activities only on the information-related injury areas. The hypothesis is that the results will be information-related. The intervention protocol will last for two years, until 1 April 1995. Evaluation will be based on a hypothetical causal intervention model. The model includes three groups of independent influences, two groups of mediator attributes, and desired end-result. A variety of data sources will be used including national and local data sources, two cross-sectional surveys on awareness, knowledge, behaviour and attitudes, interviews, observations, and self-reports from individuals. A mixed-model ANOVA will be used to test the main information-related effects. A combination of multivariate analytical methods will be used to test the hypothesised causal intervention model.
Accident Prevention↗
[Are you always there? About accidents we can avoid].
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Accident Prevention↗
Surgical versus medical treatment for epilepsy. I. Outcome related to survival, seizures, and neurologic deficit.
We conducted a retrospective parallel longitudinal cohort study comparing surgical and medical treatment for epilepsy. The surgical group contained 201 patients treated with resective surgery for epilepsy in Norway since the first operation in 1949 until January 1988. The 185 control group patients treated medically only were closely matched for year of treatment, age at treatment, sex, seizure type, and neurologic deficit before treatment. There was no significant difference in survival between the two groups. The total monthly seizure frequency in the first and second year after operation and last year of registration (median 9 years) was significantly lower in the surgical group than in the control group (Mann-Whitney U test, two-tailed p less than 0.0001). The patterns were similar, with significant differences for subgroups with similar pretreatment status, such as seizure frequency, age, etiology and EEG-focality. Twenty-three and four-tenths percent (n = 40) of the surgically treated, and 2.9% of the controls had contracted neurologic deficits within 2 years after treatment. The difference was significant (chi square = 32.89, p less than 0.0001). Psychosis or permanent psychotic symptoms were reported in 6.7% (n = 11) of the surgically treated patients, and we suspect a higher proportion of psychotic development in the surgical group than in the control group. We conclude that surgical treatment for partial epilepsy is more successful than medical treatment in producing seizure reduction, provided the indications for operation exist. Surgical treatment produces more neurologic deficits than medical treatment (and possibly more psychiatric morbidity), and this factor must be weighed against the reduction in seizure frequency. The two treatments are equal for longterm survival.
Adolescent↗
Surgical versus medical treatment for epilepsy. II. Outcome related to social areas.
We conducted a retrospective parallel cohort study comparing surgical and medical treatment for epilepsy. The surgical group contained all 201 patients treated with resective surgery for epilepsy in Norway since the first operation in 1949 until January 1988. The 185 patients in the control group, medically treated only, were closely matched for year of treatment, age at treatment, sex, seizure type, and neurologic deficit before treatment. Between 75 and 95% of the survivors (median 17 years after treatment) completed two questionnaires on their social situation. Although surgical treatment improved the seizure situation (about one-fourth had some neurologic deficit), a considerably smaller long-range influence on different social aspects was observed. There were no significant differences between the two groups in educational status, social pensions, social status, marital status, fertility, dependency in residential situation, the need for aid in daily activities of living (ADL), or the need for being looked after, when we controlled for pretreatment status. In all, 25.3% of the surgically treated patients and 8.5% of the controls were not receiving anti-epileptic drugs (AEDs) at the time of investigation (Mann-Whitney U test, two-tailed p = 0.0011). A considerably higher proportion of the surgically treated (53.2%) than control patients (24.2%) claimed that the treatment had improved their "working ability" (Mann-Whitney U test, two-tailed p less than 0.0001), but this resulted in significant improvements in the actual working situation only for those in regular education or work before treatment (chi 2 = 6.514, p = 0.038).
Cohort Studies↗
Surgical treatment for partial epilepsy among Norwegian adults.
We conducted a retrospective longitudinal self-controlled study of 124 adult patients treated with resective surgery for medically uncontrolled partial epilepsy from 1949 to 1988. Approximately 65% of the patients experienced > 95% reduction in seizure frequency, and 75% had worthwhile improvement of at least 75% seizure reduction. Significant reductions were noted in all major seizure types treatable with resective surgery; complex partial (CPS), simple partial (SPS), and secondarily generalized tonic-clonic seizures (GTC) (all p < 0.05). Tissue pathology and region of resection did not provide significant information with respect to seizure outcome. EEG in the first postoperative year was an important predictor of long-term seizure outcome (p = 0.03). One third of the temporal lobe resected patients had neurologic deficits as a consequence of the resection as compared with 14% of patients with frontal resections (p = 0.03). One third of the deficits among the temporal lobe resected patients were considerable, with possible social implications. Half of the patients with preoperative focal spike activity had a normal EEG postoperatively. One fifth of patients maintained their preoperative epileptic focus after the operation, and about one fifth displayed new foci. Approximately one fourth of the patients were free of medication for a median of 16 years postoperatively, and 60% of patients who were seizure-free were still receiving medication. There was no operative mortality, but the late mortality, as expected, was higher than that of the general population. Two male patients (1.6%) committed suicide.
Adult↗
Surgical treatment for partial epilepsy among Norwegian children and adolescents.
We conducted a retrospective longitudinal self-controlled study of 64 patients aged 4-19 years treated with resective surgery for partial epilepsy from 1952 to 1988. Approximately 60% of patients experienced > 95% reduction in seizure frequency, and 70% had worthwhile improvement of at least 75% reduction. Seizure relief was more frequent among patients who underwent operation after 1978, and significant differences by time period of operation were noted for those with temporal lobe excisions and patients with normal tissue histology. The region of resection and the age at treatment did not provide significant information with respect to seizure outcome. Postresection electrocorticography (ECoG) and EEG of the first postoperative year predicted later seizure outcome. Small neurologic deficits were more common among patients resected in the temporal lobe than in patients resected in the frontal lobe. Half of the patients with preoperative unilateral focal activity and a third of those with bilateral focal activity had normal EEG postoperatively. One fourth had discontinued antiepileptic drug (AED) therapy. As expected, long-term mortality was significantly higher than the mortality of the general population. Seven patients died during follow-up. Two male patients committed suicide.
Adolescent↗
Predictive factors for success in surgical treatment for partial epilepsy: a multivariate analysis.
We conducted a longitudinal self-controlled study of 131 patients aged 4-60 treated with resective surgery for medically uncontrolled partial epilepsy from 1949 to 1988. Using multivariate logistic regression, we showed that pre- and perioperative variables can be used to predict "success" or "failure" of surgical resective treatment in approximately 79% of cases. If the predicted probability is > 0.75 or < 0.25, the model predicts a correct result in 87% of cases. Eight predictive factors emerged with a backward multivariate logistic regression model with the likelihood-ratio (LR) test to exclude variables from the equation: (a) the influence of the surgical team and surgical procedure, (b) the presence of paresis preoperatively, (c) duration of disease, (d) age at treatment, (e) positive neuroradiologic findings in preoperative investigations, (f) preoperative complex partial seizures (CPS), (g) nonepileptic EEG abnormalities, and (h) generalized spike activity in EEG preoperatively. Sex, age at first seizure, area of resection, presence of simple or generalized seizures preoperatively, preoperative seizure frequency, tissue pathology, use of computed tomography/nuclear magnetic resonance (CT/NMR) in preoperative investigations, degree of preoperative neurologic deficit, perioperative electrocorticographic results, and bilateral EEG spikes did not have predictive value in the model.
Adolescent↗
Patient satisfaction and epilepsy surgery.
This study was designed to describe patients' experience with surgical treatment of epilepsy in terms of whether it was useful or had negative effects and to assess associations between experienced utility (satisfaction), experienced negative effects (dissatisfaction), and selected objective outcome measures. An evaluation of patients' satisfaction and dissatisfaction was conducted retrospectively by questionnaires for all patients surgically treated for epilepsy in Norway between 1949 and 1988. One hundred sixteen patients (74.3%) replied. Overall, 75% of the surgically treated patients reported that treatment had been useful, and 20% reported that the treatment had negative effects. The experience of satisfaction with treatment was strongly associated with a favorable seizure outcome, more severe underlying disease, improvements in working ability, being in regular work or education postoperatively, and not having disability pensions postoperatively. The experience of dissatisfaction with treatment was significantly associated with neurologic deficit and decreased working ability. There was overall agreement between subjectively reported satisfaction with treatment and success measured objectively. The experiences of useful effects and negative effects of the operation could not be represented by a single-dimension scale. Seizure outcome played a more important role in terms of reported useful effects, and neurologic deficit played a more important role in reported negative effects. In both categories, effects on social, occupational, emotional, and behavioral aspects played an important role.
Adult↗