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Biomedical subjects

D Wasserman

Publications and source records attributed to D Wasserman.

At least 19 recordsLinked to original sources
PubMed1999

Growth, nutritional status, body composition, and energy expenditure in prepubertal children with Alagille syndrome.

OBJECTIVES: To describe the patterns of growth, nutritional status, body composition, and resting energy expenditure (REE) in prepubertal children with Alagille syndrome (AGS) before the onset of end-stage liver disease. STUDY DESIGN: Thirteen prepubertal subjects with AGS (8 male; mean age, 6.8 2.8 years) were evaluated for growth parameters, body composition by skinfolds and by dual-energy x-ray absorptiometry, and REE by indirect calorimetry. The children with AGS were compared with a healthy, age-matched reference group of 37 prepubertal children. RESULTS: Compared with healthy children, children with AGS had significantly reduced (P <. 05) growth (weight, weight z score, height, height z score), nutritional status (midarm circumference, triceps skinfold, and midarm muscle area), and body composition (fat mass and fat-free mass). Subscapular thickness, percent body fat, and REE were not different. The AGS subgroup (n = 4) with REE greater than 110% predicted value had a reduced percent body fat (P <.02). CONCLUSIONS: Growth and body composition abnormalities are common in prepubertal children with AGS.

Alagille Syndrome↗
PubMed1999

Diagnoses, psychosocial stressors and adaptive functioning in attempted suicide.

A systematic sample of 78 suicide attempters (37 men and 41 women), of whom 83% were hospitalized, were interviewed according to SCID I and II and Axes III-V according to DSM-III-R. Mood disorders were most common (56%). Forty-four suicide attempters (56%) suffered from comorbid diagnoses on Axis I-II. Borderline personality disorder was more common among women then men (56% vs. 24%, respectively, p = 0.01). Axis III disorders were confirmed for 45%. Sixty-two percent of the suicide attempters had severe psychosocial stressors (Axis IV). When comparing subjects with only Axis I disorders to those with Axis I and II disorders, no difference with respect to psychosocial stressor grade was observed. Moreover, those with only Axis I disorders were not impaired in their adaptive functioning (Axis V) even if severe psychosocial stressors were present. In contrast, an association (p = 0.02) was found between high stress and low functioning in patients with both Axis I and Axis II disorders. The data suggest that in clinical practice, beside evaluation of Axis I and Axis II disorders, also stressors and global functioning should be included in the assessment of suicide risk after attempted suicide.

Adaptation, Psychological↗
PubMed1999

Lack of association between suicide attempt and a polymorphism at the dopamine receptor D4 locus.

Dopaminergic neurotransmission has been implicated in suicidal behaviour. The 48 bp-repeat polymorphism in the gene coding for dopamine receptor D4 was investigated in a sample of suicide attempters (n = 165) and healthy control subjects (n = 99). No association between suicide attempts and this polymorphism was observed. Neither did any significant differences emerge in comparison with control subjects when the suicide attempters were grouped into different diagnostic categories: unipolar (n = 45), anxiety (n = 23), adjustment (n = 37) and personality disorders, cluster B (n = 36). The results suggest that alleles defined by the investigated polymorphism do not have a major impact on suicidal behaviour.

Adjustment Disorders↗
PubMed1999

Attempted suicide and major public holidays in Europe: findings from the WHO/EURO Multicentre Study on Parasuicide.

OBJECTIVE: The aim of the study was to examine the relationship between suicide attempts and major public holidays in Europe. METHOD: The analysis was based on data on 24 388 suicide attempts by persons aged 15 years or older in the period 1989-1996. Data from 13 centres (representing 11 countries) participating in the WHO/EURO Multicentre Study on Parasuicide were analysed. The analysis of the fluctuation of suicide attempts around public holidays was based on the daily number of suicide attempts for each centre. For each day in the period under examination a mean number of suicide attempts (mu) was calculated. The analysis was based on the assumption that the data followed a Poisson distribution. The observed number of daily suicide attempts was compared with the expected number of attempts. A multiplicative model for the expected number in each centre was developed. RESULTS: Before Christmas there were fewer suicide attempts than expected, and after Christmas there were approximately 40% more attempts than expected. In addition, more attempts than expected were registered on New Year's Day. In countries where people have the day off work on Whit Monday there were significantly fewer attempts during the 3 days before, but where Whit Monday is a normal working day significantly fewer attempts occurred on the Monday to Wednesday after Whit Sunday. CONCLUSION: There appears to be a transposition of a significant number of suicide attempts from before (and during) a major public holiday until after it. The division of holidays into non-working and working days showed that a 'holiday effect' could only be found around major public holidays, particularly Christmas, Easter and Whitsun. These findings support the theory of the 'broken-promise effect' for major public holidays.

Adolescent↗
PubMed1999

Physical illness and parasuicide: evidence from the European Parasuicide Study Interview Schedule (EPSIS/WHO-EURO).

OBJECTIVE: The aim of this research was to identify psychosocial characteristics which might predict future suicidal behavior in parasuicidal subjects in Europe. METHOD: The interview utilized for the survey (European Parasuicide Study Interview Schedule--EPSIS) was administered to 1269 parasuicides aged fifteen years and over, within one week of hospital admission after a suicide attempt, and is part of a longitudinal multicenter study. EPSIS included a brief medical questionnaire, scales rating depression, hopelessness, self-esteem, suicide intention, questions on sociodemographic characteristics, an interview on life events and social support, a description of the parasuicidal act, and an evaluation of factors precipitating the index parasuicide. RESULTS: Physical illness proved to be very frequent among suicide attempters. One in two subjects suffered from an acute, chronic, or chronic disorder in relapse at the time of the parasuicide. Subjects with a physical illness were significantly more depressed, particularly subjects from the intermediate age band and ones affected by a chronic physical disease in relapse. Forty-two percent of patients with physical illness rated their somatic problem as a factor precipitating the attempt and 22 percent judged it to be major one. Furthermore, subjects with physical illnesses considered psychiatric symptoms and disorders to be relevant factors in triggering suicidal behavior, to a greater extent than non-sufferers. The importance of physical illness in contributing to suicidal behavior increased with advancing age. CONCLUSIONS: More careful attention to somatic conditions and their subjective implications would probably augment chances of effectively preventing suicide.

Adolescent↗
PubMed1998

Interferon-gamma in the prevention of severe burn-related infections: a European phase III multicenter trial. The Severe Burns Study Group.

OBJECTIVES: To determine the efficacy and tolerance of interferon-gamma-1b (IFN-gamma) for the prevention of death related to infection in patients with burn injury who were at risk for infection. The positive anti-infective effects of IFN-gamma observed in animal models and in clinical studies provided the rationale for this study. DESIGN: Randomized, double-blind, placebo-controlled, phase III multicenter trial, with a group sequential design, conducted at 23 European burn centers. PATIENTS: Two hundred sixteen patients with major critical burn (Abbreviated Burn Severity Index score of > or = 7). INTERVENTION: Patients were randomized to receive IFN-gamma (100 microg) or placebo daily by subcutaneous injection for up to 90 days. MEASUREMENT AND MAIN RESULTS: The primary end point (the incidence of death related to infection within 90 days from the start of treatment) was similar in the two treatment groups. There were no significant differences between the two treatments in any of the secondary end points (all causes of mortality at 90 days, incidence of infectious complications, duration of intensive care unit or hospital stay, and scar formation at 90 days). CONCLUSION: IFN-gamma did not protect burn patients from infections or decrease the mortality from infections.

Adult↗
PubMed1998

Lack of continuity--a problem in the care of young suicides.

The course of the psychiatric in-patient treatment received by 34 young people aged 15-24 years before their deaths from suicide was studied retrospectively on the basis of medical records. The quality of the care that they were given was appraised in terms of continuity, an important aspect of the care of young individuals during a period of dynamic development. There were two suicides among patients in child psychiatric care and 32 suicides among those in adult psychiatric care. Continuity of child psychiatric care was satisfactory, while the striking discontinuity in adult psychiatric care, in terms of contacts with doctors, therapists and other staff, with from 3 to 30 different doctors being involved during the period of care, may have been a factor contributing to the suicidal outcome in these cases. In total, 20 of the 34 young people had reported previously known suicide attempts, and notes concerning suicidal communication were mentioned in all but three of the records, while in only three of the records had any form of suicide-risk assessment been noted at the last care session before the suicide. Information about the suicidal process was thus available for most of these records but, as a rule, suicidal analyses were nevertheless lacking.

Adolescent↗
PubMed1998

Regional differences in the distribution of suicide in the former Soviet Union during perestroika, 1984-1990.

The former USSR covered 22.4 million square kilometres and had a population of 288,362,296 in 1990. During 1984-1990 the former USSR consisted of 15 republics, which formed culturally, geographically and historically different regions. Yearly, approximately 45,000-50,000 males and 14,000-15,000 females committed suicide. Suicide rates in the former USSR during 1984-1990 varied greatly between different regions, from 3.5 cases per 100,000 inhabitants in the Caucasus (Georgia, Azerbaijan and Armenia) to 11.8 in Central Asia (Kazakhstan, Kirgizia, Turkmenistan, Uzbekistan and Tajikistan), 18.1 in Moldova, 25.6 in the Slavic region (Russia, the Ukraine and Belarus) and 28.0 in the Baltic region (Latvia, Lithuania and Estonia). The same pattern of great variation between different regions was observed for both men and women in the former USSR, with suicide rates for men ranging from 4.9 in the Caucasian region to 45.9 in the Baltics, and suicide rates for women ranging from 2.1 in the Caucasus to 12.3 in the Baltics.

Age Distribution↗
PubMed1998

Marked decrease in suicide among men and women in the former USSR during perestroika.

At the same time as substantial and rapid socio-political and socio-economic changes took place during the period of perestroika, suicide rates in the former USSR decreased by approximately 32% for men and 19% for women. The decreases in the suicide rates of men in the former USSR were unlike the suicide rate decreases taking place in 22 other European countries, where rates decreased by approximately 8% for men and 17% for women during this time period. Declines in suicide rates from 1984 to 1986-1988 occurred in all republics, with the largest decreases in Russia and Belarus, at 42% for men and 20% for women. The decrease in suicide rates of men in the former USSR was most pronounced until 1986-1988, after which time an increasing trend was observed. Suicide rates for men in the former USSR decreased 3.8-fold more than they did for men in other parts of Europe, while decreases in the suicide rates for women in the former USSR were on the same level as in Europe.

Adolescent↗
PubMed1998

Age-specific suicide rates in the Slavic and Baltic regions of the former USSR during perestroika, in comparison with 22 European countries.

Age-specific differences in suicide rates in the Baltic and Slavic regions of the former USSR were studied for the period 1984-1990, and were compared to those of 22 European countries. It was observed that suicide rates per 100,000 inhabitants in the Slavic and Baltic regions increased directly with age for women, and showed a bimodal distribution with peaks for the 45-54 and > or = 75 age groups for men. In most of the 22 European countries, the suicide rates of both men and women increased directly with age. In 1990 the suicide rates in the Slavic and Baltic regions ranged from 25.1 for the 15-24 age group to 86.9 for men aged 75 or older, and from 6.0 to 29.8 for women, while the suicide rates in Europe ranged from 13.0 to 64.8 for men and from 3.6 to 18.7 for women. Decreases in the suicide rates in the Slavic and Baltic regions during perestroika were largest for the 25-54 age group, averaging at drop of 45% for men and 33% for women between 1984 and 1986-1988. The pattern of age-specific suicide rates for women in the Slavic and Baltic regions remained similar to that in Europe throughout the period studied. This was in contrast to a distinct pattern of male suicide rates in the Slavic and Baltic regions in 1984, which converged with those found in other parts of Europe during 1986-1988. It appears that perestroika contributed to a unique pattern of male suicide mortality in the Slavic and Baltic regions, especially in the 25-54 age group.

Adolescent↗
PubMed1998

Reliability of statistics on violent death and suicide in the former USSR, 1970-1990.

The stability of the relationship between trends of violent deaths as a whole, suicides and death from undetermined causes was assessed by quantitative methods for the whole former USSR in the years 1970-1990 and for each of the 15 republics in the former USSR for the years 1984-1990. Semi-structured interviews during 1989-1996 were performed with 12 professionals involved in the diagnosis and coding of causes of death in the Baltic states and Russia. The quantitative analyses showed that mortality data were reliable for the Slavic (Russia, the Ukraine and Belarus) and Baltic (Estonia, Latvia and Lithuania) republics, and also for Kazakhstan, Kirgizia and Moldova. The Central Asian and Caucasian republics showed greater variation in trends and ratios, indicating a need for further investigations of the reliability of suicide statistics in these regions. It emerged from the interviews that no instructions to falsify data were given. The only instructions given were to treat the data on suicide and murder as 'top secret'. None the less, certain classification errors might arise in the statistics. The diagnosis 'undetermined cause of death' was permissible only as a preliminary diagnosis for 14 days, and there was a risk of criticism for poor-quality work if too many deaths were classified as being due to undetermined causes. Misclassifications could also occur in cases where there was a wish to conceal murder. Negative attitudes towards suicide, especially in Muslim regions, where suicide is taboo, might also have contributed to under-reporting of suicide.

Homicide↗
PubMed1998

Relation between attempted suicide and suicide rates among young people in Europe.

STUDY OBJECTIVE: To determine if there are associations between rates of suicide and attempted suicide in 15-24 year olds in different countries in Europe. DESIGN: Attempted suicide rates were based on data collected in centres in Europe between 1989 and 1992 as part of the WHO/EURO Multicentre Study of Parasuicide. Comparison was made with both national suicide rates and local suicide rates for the areas in which the attempted suicide monitoring centres are based. SETTING: 15 centres in 13 European countries. PATIENTS: Young people aged 15-24 years who had taken overdoses or deliberately injured themselves and been identified in health care facilities. MAIN RESULTS: There were positive correlations (Spearman rank order) between rates of attempted suicide and suicide rates in both sexes. The correlations only reached statistical significance for male subjects: regional suicide rates, r = 0.65, p < 0.02; national suicide rates, r = 0.55, p < 0.02. CONCLUSIONS: Rates of attempted suicide and suicide in the young covary. The recent increase in attempted suicide rates in young male subjects in several European countries could herald a further increase in suicide rates.

Adolescent↗
PubMed1998

Female suicides and alcohol consumption during perestroika in the former USSR.

During 1984-1990, a decline in suicide rates of 32% for males and 19% for females took place in the former Soviet Union. The observed annual decrease in mortality from suicide was most marked for men in 1984-1986 and for women in 1984-1988. This article illuminates the hypothesis that the restrictive anti-alcohol campaign initiated by Gorbachev on 1 June 1985, in which prices of alcoholic beverages were raised substantially, had an impact on female mortality from suicide in the former Soviet Union. Data regarding alcohol consumption, female violent death (n = 451,537), suicide (n = 94,149), death due to accidental alcohol poisoning (n = 28,078), and undetermined death, whether accidental or self-inflicted (n = 23,982) were analysed for three Slavic (Russia, Belarus and the Ukraine), three Baltic (Lithuania, Latvia and Estonia) and two Central Asian republics (Kazakhstan and Kirgizia). Regression analyses with alcohol consumption as the independent variable and female suicide rates and female violent-death rates as dependent variables showed that suicide and alcohol consumption, as well as violent death and alcohol consumption, were positively correlated. However, alcohol seems to have a lower explanatory value for female suicides and female violent deaths compared with male suicides and male violent deaths. The attributable fraction of alcohol for female suicides in the whole USSR (27%) is estimated at approximately half of that for male suicides (50%).

Adolescent↗
PubMed1997

Tyrosine hydroxylase allelic distribution in suicide attempters.

A tetranucleotide repeat polymorphism in the first intron of the tyrosine hydroxylase (TH) locus was examined in a group of 118 adult suicide attempters and 78 control subjects. The suicide attempters were diagnosed according to DSM-III-R criteria at the index attempt and represented the following diagnoses: major depression (18), dysthymia (13), anxiety disorders (16), adjustment disorders (29), psychoactive substance abuse disorders (27) and psychotic disorders (15). A significant variation in the prevalence of carriers of the TH-K3 allele (high for suicide attempters with adjustment disorders, P = 0.0023) and a tendency toward a variation of the TH-K1 allele (low among all suicide attempters, P = 0.046) was observed. In light of other data the variation of TH-K1 and TH-K3 suggests that these alleles may reflect predisposition for a common phenotype with altered vulnerability for psychiatric disorders.

Adult↗
PubMed1997

Optimal discriminant analysis for ordinal responses.

Optimal classification formulation is adapted to the context of discrimination when the response is ordinal. The resulting method, optimal discriminant analysis for ordinal responses (ODAO), is presented and compared with two reference discrimination techniques used in this context (proportional-odds ordinal logistic regression and normal discrimination) using a study of prognosis following burn injuries and simulated data. The ODAO method clearly outperforms both reference methods in terms of classification accuracy (in training and validation samples), robustness to outliers, simplicity of use and applicability in clinical settings. ODAO is a promising method for improving classification performance in discrimination with ordinal responses and merits further investigation.

Adult↗