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Biomedical subjects

D Wiersma

Publications and source records attributed to D Wiersma.

At least 19 recordsLinked to original sources

Day hospital versus admission for acute psychiatric disorders.

BACKGROUND: Inpatient treatment is an expensive way of caring for people with acute psychiatric disorders. It has been proposed that many of those currently treated as inpatients could be cared for in acute psychiatric day hospitals. OBJECTIVES: To assess the effects of day hospital versus inpatient care for people with acute psychiatric disorders. SEARCH STRATEGY: We searched the Cochrane Controlled Trials Register (Cochrane Library, issue 4, 2000), MEDLINE (January 1966 to December 2000), EMBASE (1980 to December 2000), CINAHL (1982 to December 2000), PsycLIT (1966 to December 2000), and the reference lists of articles. We approached trialists to identify unpublished studies. SELECTION CRITERIA: Randomised controlled trials of day hospital versus inpatient care, for people with acute psychiatric disorders. Studies were ineligible if a majority of participants were under 18 or over 65, or had a primary diagnosis of substance abuse or organic brain disorder. DATA COLLECTION AND ANALYSIS: Data were extracted independently by two reviewers and cross-checked. Relative risks and 95% confidence intervals (CI) were calculated for dichotomous data. Weighted or standardised means were calculated for continuous data. Day hospital trials tend to present similar outcomes in slightly different formats, making it difficult to synthesise data. Individual patient data were therefore sought so that outcomes could be reanalysed in a common format. MAIN RESULTS: Nine trials (involving 1568 people) met the inclusion criteria. Individual patient data were obtained for four trials (involving 594 people). Combined data suggested that, at the most pessimistic estimate, day hospital treatment was feasible for 23% (n=2268, CI 21 to 25) of those currently admitted to inpatient care. Individual patient data from three trials showed no difference in number of days in hospital between day hospital patients and controls (n=465, 3 RCTs, WMD -0.38 days/month CI -1.32 to 0.55). However, compared to controls, people randomised to day hospital care spent significantly more days in day hospital care (n=265, 3 RCTs, WMD 2.34 days/month CI 1.97 to 2.70) and significantly fewer days in inpatient care (n=265, 3 RCTs, WMD -2.75 days/month CI -3.63 to -1.87). There was no significant difference in readmission rates between day hospital patients and controls (n=667, 5 RCTs, RR 0.91 CI 0.72 to 1.15). For patients judged suitable for day hospital care, individual patient data from three trials showed a significant time-treatment interaction, indicating a more rapid improvement in mental state (n=407, Chi-squared 9.66, p=0.002), but not social functioning (n=295, Chi-squared 0.006, p=0.941) amongst patients treated in the day hospital. Four of five trials found that day hospital care was cheaper than inpatient care (with cost reductions ranging from 20.9 to 36.9%). REVIEWER'S CONCLUSIONS: Caring for people in acute day hospitals can achieve substantial reductions in the numbers of people needing inpatient care, whilst improving patient outcome.

Acute Disease↗

Cost-effectiveness of the HIT programme in patients with schizophrenia and persistent auditory hallucinations.

OBJECTIVE: To examine the cost-effectiveness of Hallucination focused Integrative Treatment (HIT) in patients with schizophrenia and a history of persistent auditory hallucinations. METHOD: Costs, in and outside the health care sector, and outcomes were registered prospectively during a period of 18 months for patients who received the HIT programme and for patients in the care as usual (CAU) condition. The Positive and Negative Syndrome Scale (PANSS) was used as main outcome measure in the cost-effectiveness analysis. Bootstrap analyses provided additional information on the skewly distributed costs. RESULTS: Mean costs per patient in the HIT group (18,237 dollars) were lower than the mean costs per patient in the CAU group (21,436 dollars). Results of the PANSS were slightly in favour of the HIT group. CONCLUSION: There appears to be no significant cost-effectiveness advantage of the HIT programme over CAU. Additional analyses indicated that future application of the HIT programme will, in most cases, lead to a reduction of (non) medical costs.

Adult↗

Near-field measurement of short-range correlation in optical waves transmitted through random media.

Two-dimensional near-field images of speckle patterns formed by optical waves transmitted through a disordered porous silica glass sample are measured. The corresponding 2D intensity correlation function, C, is extracted. The subwavelength spatial resolution of near-field microscopy allows us to resolve in the spatial distribution of C the expected subwavelength oscillations and to follow their dependence on the excitation wavelength. Finally, we deduce the effective refractive index of the material by fitting the theoretical spatial dependence of C to our experimental results.

Light↗

[Care requirements for chronic psychiatric patients in general practice: shared responsibility with mental health professionals].

Every year in the Netherlands, at least 41,000 patients in mental health care suffer from long-lasting (> 2 years) psychiatric problems such as psychoses, affective disorders, anxiety disorders or personality disorders. A representative survey reveals that during certain periods of time about 20% of them only receive care from their general practitioner. The general practitioner has to deal with the many and complex needs of care in the areas of, for example, psychological complaints, psychotic symptoms, social contacts and information about treatment. According to the patient, one in four of these needs are unmet, resulting in a reduced quality of life. This situation calls for a pro-active attitude on the part of the general practitioner who should nevertheless leave the key role in managing the care of these patients to the mental health professionals.

Family Practice↗

Costs of deinstitutionalization in a rural catchment area in The Netherlands.

BACKGROUND: In contrast to many other countries, The Netherlands left the initiative in deinstitutionalizing mental health care to the traditional providers of mental health services. The goal of this study is to determine the effect of this policy on the allocation of mental health care resources to services. METHOD: All 20- to 64-year old users and their use of community- and hospital-based services between 1990 and 1999 were retrieved from the Groningen case register. Service utilization was combined with the direct unit costs of these services for the 1999 price level. Changes in the population as to size and age were taken into account. RESULTS: In 1999 the direct costs of mental health care were Euro 268 per adult inhabitant of the register area, which is 9% higher than in 1990. Costs increased most in the early 1990s before deinstitutionalization policy took effect. From 1993 and onwards the reduced length of stay in the hospital was the main cause for the decreased costs of in-patient care. These savings equalled the increased expenditures for day-treatment, sheltered residences and home-treatment, even though the unit costs of these types of community care are much lower than the unit costs of admissions. This was not caused by an increasing number of new clients, but was a result of longer periods of care during a larger number of years. CONCLUSIONS: These findings are in accordance with Dutch mental health care policy, which aims at prolonged care and aftercare outside the hospital whenever possible.

Adult↗

Are needs and satisfaction of care associated with quality of life? An epidemiological survey among the severely mentally ill in the Netherlands.

Is the quality of life of severe mentally ill patients influenced by the intensity of the care provided, their satisfaction with services and/or the amount of unmet needs? The interrelatedness of these three outcome measures was investigated in a sample of 101 patients dependent on long-term psychiatric care in the Northeast of the Netherlands. Instruments used were the Camberwell Assessment of Needs, the Verona Service Satisfaction Schedule and a health related quality of life instrument, the EuroQoL. Quality of life was unrelated to satisfaction with services but was strongly associated with unmet needs in the area of mental and physical health, and of rehabilitation. Quality of life decreased as needs increased. Needs were also strongly related to diagnosis and cognitive functioning. Furthermore, more intensive care settings were provided as needs increased. Demographic, diagnostic and treatment variables did not explain much extra variance in quality of life. Despite the availability of various services in the region there was a lack of tailor made care which took into account specific unmet needs with regard to information, social contacts, and daily activities.

Activities of Daily Living↗

Deinstitutionalisation in the Netherlands.

In the Netherlands mental hospitals and psychiatric departments in general hospitals kept the initiative in implementing community-based replacements for inpatient care. The goal of this study is to determine to what extent day treatment, sheltered residences and assertive home treatment were effective alternatives, rather than additions to inpatient care. All adult users and their use of intensive community- and hospital-based services between 1989 and 1997 were retrieved from the Groningen case register. Statistics about changes in the use of mental health care provisions were corrected for changes in the population as to size and age. The number of patients in day treatment, sheltered residences and in particular home treatment grew between 1989 and 1997 to a large degree, as did their average use of these services. In that same period inpatient care lost some, though not many patients, but the average length of their stay in the hospital was reduced by 33%. Analysis of treated incidence and prevalence showed that the implementation of alternatives to hospital-based care did not attract new patients but kept patients longer in mental health care.

Adult↗

Cognitive behaviour therapy with coping training for persistent auditory hallucinations in schizophrenia: a naturalistic follow-up study of the durability of effects.

OBJECTIVE: To investigate the durability of positive effects of cognitive behaviour therapy (CBT) with coping training on psychotic symptoms and social functioning. METHOD: Forty patients with schizophrenia or related psychotic disorders and refractory auditory hallucinations were given CBT and coping training in an integrated single family treatment programme. In a naturalistic study patients were followed after 2 and 4 years since the start of treatment. RESULTS: The treatment improved overall burden of 'hearing voices', with a generalization into daily functioning. Improvement with regard to fear, loss of control, disturbance of thought and interference with thinking was sustained by 60% of the patients while one-third improved further. Complete disappearance of hallucinations occurred in 18% of the patients. CONCLUSION: CBT with coping training can improve both overall symptomatology and quality of life, even over longer periods of time, but a status of persistent disablement indicates a continuing need for mental health care.

Adaptation, Psychological↗

Recovery from psychotic illness: a 15- and 25-year international follow-up study.

BACKGROUND: Poorly defined cohorts and weak study designs have hampered cross-cultural comparisons of course and outcome in schizophrenia. AIMS: To describe long-term outcome in 18 diverse treated incidence and prevalence cohorts. To compare mortality, 15- and 25-year illness trajectory and the predictive strength of selected baseline and short-term course variables. METHODS: Historic prospective study. Standardised assessments of course and outcome. RESULTS: About 75% traced. About 50% of surviving cases had favourable outcomes, but there was marked heterogeneity across geographic centres. In regression models, early (2-year) course patterns were the strongest predictor of 15-year outcome, but recovery varied by location; 16% of early unremitting cases achieved late-phase recovery. CONCLUSIONS: A significant proportion of treated incident cases of schizophrenia achieve favourable long-term outcome. Sociocultural conditions appear to modify long-term course. Early intervention programmes focused on social as well as pharmacological treatments may realise longer-term gains.

Adult↗

Systematic reviews of the effectiveness of day care for people with severe mental disorders: (1) acute day hospital versus admission; (2) vocational rehabilitation; (3) day hospital versus outpatient care.

UNLABELLED: ***ACUTE DAY HOSPITAL VERSUS ADMISSION FOR ACUTE PSYCHIATRIC DISORDERS*** BACKGROUND: Inpatient treatment is an expensive way of caring for people with acute psychiatric disorders. It has been proposed that many of those currently treated as inpatients could be cared for in acute psychiatric day hospitals. OBJECTIVE: The aim of this review was to assess the effectiveness and feasibility of day hospital versus inpatient care for people with acute psychiatric disorders. METHODS - STUDY SELECTION: Eligible studies were randomised controlled trials of day hospital versus inpatient care for people with acute psychiatric disorders. Studies were excluded if they were primarily concerned with elderly people, children, or patients with a diagnosis of organic brain disease or substance abuse. METHODS - DATA SOURCES: We searched the Cochrane Controlled Trials Register, MEDLINE, EMBASE, CINAHL, PsycLIT, and the reference lists of articles. Researchers were approached to identify unpublished studies. Trialists were asked to provide individual patient data. METHODS - DATA EXTRACTION: Data were extracted independently by two reviewers and cross-checked. METHODS - DATA SYNTHESIS: Relative risk (RR) and 95% confidence intervals (CIs) were calculated for dichotomous data. Weighted or standardised means were calculated for continuous data. Day hospital trials tend to present similar outcomes in slightly different formats, making it difficult to synthesise the data. Individual patient data were therefore sought so that outcomes could be re-analysed using a common format. RESULTS: Nine trials met the inclusion criteria (involving 1568 randomised patients and 2268 assessed for suitability of day hospital treatment). Individual patient data were obtained for four trials (involving 594 people). A sensitivity analysis of combined data suggested that day hospital treatment was feasible for at worst 23.2% (n = 2268; 95% CI, 21.2 to 25.2) and at best 37.5% (n = 1768; 95% CI, 35.2 to 39.8) of those currently admitted to inpatient care. Individual patient data from three trials showed no difference in the number of days in hospital (combining day hospital days and inpatient days) between day hospital patients and controls (n = 465; weighted mean difference (WMD) = -0.38 days/ month; 95% CI, -1.32 to 0.55). However, compared with controls, patients randomised to day hospital care spent significantly more days in day hospital care (n = 265; WMD = 2.34 days/month; 95% CI, 1.97 to 2.70) and significantly fewer days in inpatient care (n = 265; WMD = -2.75 days/month; 95% CI, -3.63 to -1.87). There was no difference between readmission rates for day hospital and control patients (n = 667; RR = 0.91; 95% CI, 0.72 to 1.15). Individual patient data from three trials showed a significant time-treatment interaction, indicating a more rapid improvement in mental state (n = 407; c2 = 9.66; p = 0.002), but not social functioning (n = 295; c2 = 0.006; p = 0.941) amongst day hospital patients. Four of five trials demonstrated that day hospital care was cheaper than inpatient care (with overall cost reductions ranging from 20.9% to 36.9%). CONCLUSIONS: Acute day hospitals are an attractive option in situations where demand for inpatient care is high and facilities exist that are suitable for conversion. They are a less attractive option when demand for inpatient care is low and where effective alternatives already exist. The interpretation of day hospital research would be enhanced if future trials made use of the common set of outcome measures used in this review. It is important to examine how acute day hospital care can be most effectively integrated into a modern community-based psychiatric service. ***VOCATIONAL REHABILITATION FOR PEOPLE WITH SEVERE MENTAL DISORDERS*** BACKGROUND: People who are disabled by severe mental disorders experience high rates of unemployment, but most want to work. Prevocational training (PVT) is the traditional approach to helping such people to return to work. PVT assumes that a period of preparation is required before those with a severe mental disorder can enter into competitive employment. Supported Employment (SEm) is a new approach that places clients in competitive employment without extended preparation. Both PVT and SEm are widely practised, but it is unclear which is the most effective. OBJECTIVES: The overall objective of this review was to assess the effectiveness of PVT and SEm relative to each other and to standard care (in hospital or the community) for people with severe mental disorders. In addition, the review examined the effectiveness of: (1) special types of PVT ("clubhouse" model) and SEm (individual placement and support model); and (2) modifications for enhancing PVT (e.g. payment or psychological interventions). METHODS - STUDY SELECTION: Eligible studies were randomised controlled trials (RCTs) examining the effectiveness of vocational rehabilitation approaches (PVT and SEm or modifications) for people of working age and suffering from a severe mental disorder. METHODS - DATA SOURCES: Relevant trials were identified from searches of the Cochrane Schizophrenia Group's specialised register, MEDLINE, EMBASE, CINAHL and PsycLIT, and the reference lists of all identified studies and review articles. Researchers who were active in the field were approached in order to identify unpublished studies. METHODS - DATA EXTRACTION: All data were extracted independently by two reviewers and cross-checked. Continuous data were excluded if they were collected by using an unpublished scale or were based on a subset of items from a scale. METHODS - DATA SYNTHESIS: For all comparisons, the primary outcome was the number of clients who were in competitive employment at various time points. Secondary outcomes were: other employment outcomes, clinical outcome and costs. The relative risk (RR) and number-needed-to-treat (NNT) were calculated for the relevant categorical outcomes. Continuous data were either presented as in the original trial reports or, where possible, combined across trials as a standardised mean difference score. RESULTS: Eighteen RCTs of reasonable quality were identified: PVT versus hospital controls, three RCTs, n = 172; PVT versus community controls, five RCTs, n = 1204; modified PVT, four RCTs, n = 423; SEm versus community controls, one RCT, n = 256; and SEm versus PVT, five RCTs, n = 491). The main finding was that, on the primary outcome (number in competitive employment), SEm was significantly more effective than PVT at all time points (e.g. at 12 months, SEm 34% employed, PVT 12% employed; RR of not being in competitive employment = 0.76, 95% confidence interval 0.69 to 0.84, NNT = 4.5). Clients in SEm also earned more and worked more hours per month than those in PVT. CONCLUSIONS: The main finding was that SEm was more effective than PVT for patients suffering from a severe mental disorder who wanted to work. There was no evidence that PVT was more effective than standard community care or hospital care. The implication of these findings is that people suffering from mental disorders who want to work should be offered the option of SEm. Commissioning agencies would be justified in encouraging vocational rehabilitation (VR) providers to develop more SEm schemes. From a research perspective, the cost-effectiveness of SEm should be examined in larger multicentre trials, both within and outside the USA. There is a case for countries outside the USA to survey their existing VR services to determine the extent to which the most effective interventions are being offered. ***DAY HOSPITAL VERSUS OUTPATIENT CARE FOR PATIENTS WITH PSYCHIATRIC DISORDERS*** BACKGROUND: This review considers the use of day hospitals as an alternative to outpatient care. Two typesof day hospital provision are covered: "day treatment programmes" and "day care centres". Day treatment programmes are day hospitals that are used to enhance the treatment of patients with anxiety or depressive disorders who have failed to respond to outpatient care. Day care centres are day hospitals that offer structured support to patients with long-term severe mental disorders who would otherwise be treated in an outpatient clinic. OBJECTIVES: There were two objectives: first, to assess the effectiveness of day treatment programmes versus outpatient care for people with non-psychotic disorders; and, secondly, to assess the effectiveness of day care centres versus outpatient care for people with severe long-term disorders. METHODS - STUDY SELECTION: Eligible studies were randomised controlled trials comparing day hospital care (either a day treatment programme or a day care centre) with outpatient care. Studies were ineligible if they were largely restricted to patients who were aged under 18 or over 65 years or who had a primary diagnosis of substance abuse or organic brain disorder. METHODS - DATA SOURCES: Relevant trials were identified from searches of the Cochrane Controlled Trials Register, MEDLINE, EMBASE, CINAHL, PsycLIT, and the reference lists of all identified studies and review articles. Researchers were approached to identify unpublished studies. Trialists were asked to provide individual patient data. METHODS - DATA EXTRACTION: All data were extracted independently by two reviewers and cross-checked. METHODS - DATA SYNTHESIS: Relative risks and 95% confidence intervals were calculated for dichotomous data. Standardised mean differences were calculated for continuous data. RESULTS: There was evidence from two of the five trials identified suggesting that day treatment programmes were superior to continuing outpatient care in terms of improving psychiatric symptoms. There was no evidence to suggest that day treatment programmes were better or worse than outpatient care on any other clinical or social outcome variable or on costs. (ABSTRACT TRUNCATED)

Adult↗

Change in Dutch mental health care: an evaluation.

BACKGROUND: In the Netherlands there has been no distinct period of deinstitutionalization or transinstitutionalization of mental health care. Rather, the Dutch government expects local mental health services to reform their joint service provision without forceful measures like cutting budgets of large mental hospitals. This study aimed at quantifying gradual changes in the use of community- and hospital-based care. METHODS: The Groningen psychiatric case register was used to determine the number of users and the amount of use of mental health services. Changes in population size and age distribution were accounted for by means of demographic data. RESULTS: The number of users of innovative psychiatric treatment modalities more than tripled between 1989 and 1997. In the same period, the volume of traditional inpatient care gradually decreased. This was caused primarily by a reduction in the length of stay in the hospital. CONCLUSIONS: These findings seem to support the effectiveness of Dutch substitution policy. However, there is also a cause for concern. Though people use new mental health care provisions, there is a rapidly growing number of them who do so.

Community Mental Health Services↗

Increasing use of Dutch mental health care: an investigation.

BACKGROUND: In the Netherlands, a previous study has shown an increase in the 1-year prevalence of patients in mental health care during the 1990s. Though the number of inpatients decreased, this decrease was far outweighed by a large increase of patients in community care, causing an increase in total year prevalence. The current study aimed at an explanation. METHODS: The Groningen psychiatric case register was used to determine treated incidence and prevalence over a 9-year period for different age groups. RESULTS: Incidence rates proved fairly stable. The increased prevalence was primarily caused by the growing number of existing cases. People had their first encounter with mental health care at an earlier age and remained in care for a larger part of their life. CONCLUSIONS: Results indicate that the accessibility of Dutch mental health care was increased by the implementation of community care. In contrast to other countries, Dutch community care lowered the threshold for mental health care utilization without broadening the target group of mental health services.

Adolescent↗

Social disability in schizophrenia: its development and prediction over 15 years in incidence cohorts in six European centres.

BACKGROUND: This paper focuses on the long-term course of social disability in schizophrenia assessed at first onset, and after 1, 2 and 15 years in incidence cohorts in six European centres in Bulgaria, Germany, Ireland, The Netherlands, the Czech Republic and the United Kingdom. The study population comprises 349 patients comprising 75% of the original cohorts. METHODS: Social disability was assessed in a standardized way with the WHO Disability Assessment Schedule. RESULTS: Social disability in schizophrenia appears to be a persistent phenomenon. Its severity decreased overall in the period of follow-up, but this was not so in a small group traced to hospital or sheltered accommodation. Only 17% of subjects had no disability and 24% still suffered from severe disability. The great majority lived with their family, a partner, or alone. A deteriorating course was more frequent than late improvement. Gender, age, onset, duration of untreated psychosis or type of remission during the first 2 years did not predict the long-term outcome of disability. Severity of disability at the first three assessments of the illness contributed significantly to the explanation of its variance at 15 years. CONCLUSION: Disability generally ameliorates, but less than expected or hoped. It needs continuing attention and care in this era of de-institutionalization.

Adolescent↗

Influence of timing and dose of thyroid hormone replacement on development in infants with congenital hypothyroidism.

OBJECTIVES: To test whether early treatment with a high initial dose of levothyroxine can prevent suboptimal mental development in all neonates with congenital hypothyroidism (CH). STUDY DESIGN: Sixty-one patients, 27 with severe CH and 34 with mild CH, were treated either early (<13 days) or late (> or =13 days) with either a high initial dose of levothyroxine (> or =9.5 microg/kg/d) or a low initial dose (<9.5 microg/kg/d). With these criteria, 4 treatment groups were formed. The results of the Bayley test, performed at the age of 10 to 30 months and expressed as mental developmental index (MDI) and psychomotor developmental index (PDI), were related to socioeconomic status, treatment group, initial free thyroxine (FT(4)) concentration, and mean FT(4) concentration during the first 3 months of treatment (FT(4)-A) and the ensuing 9 months (FT(4)-B). RESULTS: Mean (+/- SD) MDI was 113 +/- 14, and mean PDI was 114 +/- 12. In the severe CH group, only the patients treated early with a high initial dose had normal MDI scores (124 +/- 16), whereas the scores of the other groups ranged from 97 to 103. In contrast, all patients in the mild CH group had normal scores (range, 122-125), except those in the group treated late with a low initial dose, whose score was 110 +/- 10. Forty-three percent of the variance in MDI and PDI scores was explained by treatment factors, such as the treatment group, initial FT(4) concentration, FT(4)-A, and FT(4)-B. CONCLUSIONS: Our data suggest that optimal treatment includes achievement of euthyroidism before the third week of life by initiation of therapy before 13 days with a levothyroxine dose above 9.5 microg/kg/d and maintenance of FT(4) concentrations in the upper normal range during the first year. Thus treated, patients with CH can achieve normal psychomotor development at 10 to 30 months, irrespective of the severity of the disease.

Child Development↗

Distress attributed to negative symptoms in schizophrenia.

The purpose of the study was to examine (1) to which negative symptoms schizophrenia patients attribute distress and (2) whether clinical variables can predict the levels of reported distress. With the help of a research assistant, 86 hospitalized patients completed a self-rating scale for negative symptoms. The 21 items of the self-rating scale were taken from the Scale for the Assessment of Negative Symptoms (SANS). A psychiatrist rated the patients on a number of scales, including the SANS. When patients reported particular symptoms, they were asked whether those symptoms bothered or distressed them. Answers to this question were highly dependent on the type of symptom involved. Distress was most often attributed to symptoms in the subscale avolition-apathy. Patients were also asked how much they were bothered or distressed. Again, high levels of distress were most often attributed to items in the subscale avolition-apathy. A summary score was developed for the level of reported distress: the distress score. Regression analysis showed that distress scores were not associated with the observed severity of negative symptoms or with the level of psychiatric disability. High distress scores were best predicted by the combination of high scores for depression and high scores for insight into positive symptomatology. However, this model explained only a quarter of the variance in distress scores.

Adult↗

Psychopathology and cognition in schizophrenia spectrum disorders: the role of depressive symptoms.

The cognitive correlates of five symptom dimensions based on PANSS ratings were examined in a group of 50 recent onset psychotic patients, using both objective and subjective cognitive measures. We were particularly interested in the depression dimension, since it has not been studied extensively thus far. The depression dimension showed a high number of correlations with both objective and subjective cognitive measures, such as problems with simple and divided attention, psychomotor slowing and subjectively experienced distractibility, overload and diminished attentional control. The other dimensions, including negative symptoms, have less cognitive correlates. It is possible that previous studies based on a three-dimensional model confounded correlates of negative symptoms with correlates of depressive symptoms. The results of this study suggest the need for more research into the mechanisms underlying the relationship between depressive symptoms and cognitive functioning in schizophrenia, and that patients with depressive symptoms are less efficient in information processing, but can compensate by investing more mental effort. Because subjective cognitive measures were related to mental effort in previous research, they can be a useful tool in future research.

Adult↗

Stability and change in needs of patients with schizophrenic disorders: a 15- and 17-year follow-up from first onset of psychosis, and a comparison between 'objective' and 'subjective' assessments of needs for care.

Need for care was studied in a Dutch incidence cohort of patients with schizophrenic disorders 15 and 17 years from first onset of psychosis. Long-term course of the disorders varied from complete remission and full community participation to chronic psychosis and long-term hospital stay. Fifty patients were assessed twice with the Needs For Care Assessment Schedule (NFCAS, Brewin and Wing 1989); at the latter follow-up an assessment was also made using the Camberwell Assessment of Need (CAN, Phelan et al. 1995). The NFCAS is an investigator- or professional-based instrument which provides an 'objective' assessment of needs. Need for care was recorded in 22 areas of clinical and social functioning. Comparison of the two assessments over a 2-year period demonstrated a high stability on the individual items (mean 88%, mostly concerning the absence of a problem twice), but did not show the expected stability of need status among this group of patients with chronic disorders. One in five patients (22%) had no needs at all on both occasions and 56% of the patients showed a change in needs. There was more negative than positive change: 28% suffered from new unmet needs at the 17-year follow-up, while only 12% had improved their status to no needs. About one-third (36%) had at least one unmet need, mostly regarding psychotic symptoms, dyskinesia or underactivity. The CAN provides a 'subjective' assessment of needs according to the view of patients themselves. The problems patients reported most commonly were in the areas of day-time activities, social relationships and information on their condition and treatment, for all which they asked for more help than they received. This patient-based instrument produces slightly higher numbers of problems and unmet needs, and a lower ratio between met and unmet needs. There is an overall percentage of 21% of disagreement between patient and investigator view regarding the unmet need status. Agreement between the two instruments on the nature of the problems with unmet needs was lacking altogether.

Adult↗