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Biomedical subjects

T Bronisch

Publications and source records attributed to T Bronisch.

45 records · Page 3Linked to original sources

REM latency in neurotic and endogenous depression and the cholinergic REM induction test.

Latency of rapid eye movement (REM) sleep was measured in eight healthy volunteers under baseline conditions and after administration of physostigmine. An infusion of 0.5 mg of physostigmine 5 minutes after sleep onset caused a significant shortening of REM latency in comparison with baseline conditions. In 45 patients with major depression, REM latency during baseline nights was significantly shorter than in control subjects. This shortening of the REM latency was found to be similar in endogenous, neurotic, and unclassified depressed patients. In contrast to findings in the controls, the physostigmine infusion provoked no further significant reduction of REM latency in depressed patients, but awakened the majority of patients. The data concerning spontaneous REM latency and REM latency after physostigmine do not allow a differentiation among the endogenous, neurotic, and unclassified depressed subgroups. The results of the cholinergic REM induction test do not conclusively support the hypothesis of a cholinergic hypersensitivity in depression.

Adult↗

[A unit for emergency psychiatry and crisis intervention--concepts, structure and initial experiences].

The article reports on a ward with 12 beds which has been set up for emergency cases in psychiatry or for immediate intervention in case of a crisis experienced by a patient. In the theoretical part of this article, it is explained that crisis situations are present in most of the psychiatric emergency patients. The article then goes briefly into the fundamentals of therapeutic strategy in such patients: A therapy which helps to uncover hidden conflicts, the pros and cons of therapy focussed on conflict and on supportive measures; as well as a therapy which supports and promotes the ego. This is followed by a comparison of the ward with corresponding facilities in Germany and abroad and a description of their structure, their patients and their function within a psychiatric care system. The concluding part of the article is devoted to a description of the authors' initial experiences and impressions gained during their work with the ward patients, quoting several examples.

Adolescent↗

[Effects of recent psychoanalytic theories and therapy concepts on the treatment technics of sex offenders].

Recently developed psychoanalytic theories on the pathogenesis and psychodynamics of sexual perversions are described and their effects on treatment technique discussed. Then a proposal based on these theories its put forth for a comprehensive treatment plan for sex offenders, among person with sexual perversions an especially difficult group to treat. Special emphasis is placed on the problems and possibilities associated with such a psychoanalytically oriented approach, and the author then argues that during the initial phase of treatment two approaches, both psychoanalytically oriented therapy and behavior therapy, should be used parallel to each other.

Behavior Therapy↗

[Integrative therapy concept in inpatient treatment of sex offenders].

First a number of aspects are mentioned that should be given special attention in the treatment of sex offenders. This is followed by a review of those treatment studies in which therapy was primarily either psychoanalytic or behavioral and which included a relatively large number of patients. Since the authors of the present study found that either a given treatment approach was indicated for a very limited group of patients only or the long-term outcome was poor, they developed an integrative approach for inpatient treatment of sex offenders. This approach includes behavior therapy, psychoanalytically oriented therapy and social therapy. The procedures are described briefly and the role of each is in the overall therapeutic concept pointed out.

Behavior Therapy↗

[Diagnostic reliability and validity of the PSE/CATEGO-system (author's transl)].

An unselected series of 100 psychiatric inpatient admissions were interviewed at admission by a psychiatrist using the German version of the PSE (Present State Examination), with a second psychiatrist as an observer. The diagnostic agreement between the two project psychiatrists was considerably higher than the agreement between clinicians and CATEGO, a computerised diagnostic system based on PSE data. The disagreements are discussed.

Diagnosis, Computer-Assisted↗

Neuroendocrinological and neurophysiological studies in major depressive disorders: are there biological markers for the endogenous subtype?

The possibility of characterizing subgroups of depressive disorders by biological markers was studied by means of the dexamethasone suppression test (DST), the 24-hr urinary free cortisol (UFC), the growth hormone response to the insulin tolerance test (ITT), and polygraphic sleep recordings. Forty-five hospitalized patients suffering from a moderate to severe nonpsychotic major depressive disorder were clinically subdivided into three groups: endogenous (n = 20), neurotic (n = 19), and "ambiguous" (n = 6). These clinical diagnoses were supplemented by operational diagnostic tools, namely, the Research Diagnostic Criteria (RDC) and the Newcastle Scale. The different diagnostic procedures exhibited a high degree of correspondence. Whereas the results of the ITT were normal in almost all patients, 20% of all patients were dexamethasone nonsuppressors and more than half of the patients showed a shortened REM latency. Both markers did not reveal any specificity for the endogenous subtype. A significant influence of weight loss on the DST and the excretion of UFC was evident.

Adult↗

Validity of adjustment disorder, comparison with major depression.

Twenty inpatients suffering from an adjustment disorder with depressed mood according to the DSM-III criteria were compared with 22 inpatients with a (situationally provoked) major depression without an additional DSM-III/axis I diagnosis, with regard to expert- and self-rated symptomatology, social dysfunction and personality features. Furthermore, social support prior to admission was described. Subjects who had developed an adjustment disorder had less severe depressive symptomatology, associated social dysfunction and premorbid rigidity, and they remitted faster. Social support for both groups was similar to that of healthy controls.

Adjustment Disorders↗

Decreased corticotropin-releasing hormone (CRH) concentrations in the cerebrospinal fluid of eucortisolemic suicide attempters.

Several lines of evidence suggest a dysregulation of the adrenocortical (HPA) system with hypersecretion of CRH is associated with suicidal behavior. However, controversial results have emerged from the determination of corticotropin-releasing hormone (CRH) concentrations in the lumbar cerebrospinal fluid (CSF) of suicide attempters probably due to methodological differences. We simultaneously measured CRH concentrations in the CSF and in the plasma of 41 psychiatric in-patients with different diagnoses (affective disorder, schizophrenia, personality disorders, adjustment disorder, substance abuse) and eight neurological control subjects. We also measured plasma cortisol concentrations because data from animal experiments suggest that cortisol may influence CSF CRH concentrations. The major finding was that patients who attempted suicide prior to admission had significantly lower CSF CRH concentrations than psychiatric patients without suicidal behavior. CRH concentrations were significantly higher in the CSF than in plasma in both, psychiatric patients and neurological control subjects. There was no significant difference between suicide attempters and patients with acute suicidal ideations. The latter group showed a trend towards lower CSF CRH concentrations compared with the neurological control subjects. Patients with affective disorder alone as well as patients with multiple diagnoses, but not schizophrenic patients, showed significantly lower CSF CRH concentrations than neurological control subjects. Plasma CRH and plasma cortisol concentrations did not differ among diagnostic groups or between suicide attempters vs. non-attempters. Further studies with more homogeneous samples, drug-free patients and with simultaneous assessment of various parameters of the HPA system are warranted.

Adult↗