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Biomedical subjects

T Marcos

Publications and source records attributed to T Marcos.

26 records · Page 2Linked to original sources

The "Melancholia Rating Scale": a useful instrument for the assessment of affective disorders. Validity and reliability of the Spanish adaptation.

This instrument has been constructed with the purpose of quantifying the severity of depressive states, i.e. to identify the depressive patient and to measure the response to treatment with an antidepressant. Type of instrument: Ordinal rating scale, 11 items, 5 grades. Eleven variables are assessed: Activity (motor); Activity (verbal); Retardation (intellectual); Anxiety (psychic); Suicidal impulses; Lowered mood; Self-depreciation and guilt feelings; Emotional retardation; Sleep disturbances; Tiredness and pain; Work and interests. Tests were done to verify concurrent validity with the Hamilton Depression Scale (HDS); some data on inter-observer reliability are given.

Affective Disorders, Psychotic↗

Dexamethasone suppression test and primary obsessional compulsive disorder.

This report explores the role played by DSM-III Major Depression in the Nonsuppressor status of a sample of 29 subjects suffering from DSM-III Obsessive Compulsive Disorder (OCD). Five subjects were found to be Nonsuppressors. Further analysis showed that it is likely that Nonsuppressor status depended upon the concomitant presence of Major Depression rather than upon the OCD itself.

Adult↗

[The family physician and the human immunodeficiency virus seropositive patient].

OBJECTIVES: To characterize a subject who is HIV positive and closely observed in the consultation of clinical immunology (Santo António General Hospital), from a demographic and socio-economic point of view; to determine the percentage of these subjects who have a family doctor; how often they go to a family doctor; the reasons for a more frequent visit to the doctor; if there has been any alteration in the reasons for consulting the family doctor after establishing the diagnosis of HIV infection; who made the diagnosis of HIV infection; to evaluate, from these patient's point of view, if there has been any alteration in the family doctor's attitude or vice versa after the diagnosis. CHARACTERISATION OF THE STUDY: A descriptive, transversal study was carried out from 30/01/97 to 13/03/1997. METHOD: A questionnaire with twenty-two questions was used in a personal interview of a random sample of 100 patients observed in the Consultation of Clinical Immunology at Santo António General Hospital and represented 40% of the population studied. RESULTS: One hundred patients answered the questionnaire, 73 were male and 27 female, with an mean age of 34.73 years. The majority were single, representing 44% of the random sample, 33% had completed primary education (or equivalent), and 28% had attended secondary school (complete or incomplete), 35% of the subjects were employed and 34% unemployed. In what concerns area of residence, the majority live in the metropolitan area of Oporto. The majority of the patients (85%) had a family doctor. Nevertheless, 1/3 had never paid a visit to their doctor and, as for the others, the majority rarely did. After the diagnosis of HIV infection, the reasons that led patients to see their doctors were merely administrative (prescriptions--24.56%, sick leave--21.05%). On the other hand, before the diagnosis, health problems were their major concern and priority (27.54%). The diagnosis was made in equal proportion (28%) by the hospital services and by institutions providing health care for drug addicts. In most cases, from the patient's point of view, there had not been any change in the family doctor's attitude after the diagnosis of HIV infection and vice versa. COMMENTS: Although the majority of the subjects have a family doctor, their demand is very low, therefore, there is a waste of opportunities in terms of primary, secondary and tertiary medical care.

Adult↗

[Selective alteration of the declarative memory systems in patients treated with a high number of electroconvulsive therapy sessions].

INTRODUCTION: The reversible electrochemical effects of electroconvulsive therapy (ECT) on specific areas of the brain enable the neuroanatomical bases of some cognitive functions to be studied. In research carried out on memory systems, a selective alteration of the declarative ones has been observed after treatment with ECT. Little work has been done to explore the differential alteration of the memory subsystems in patients with a high number of ECT sessions. AIM. To study the declarative and non declarative memory system in psychiatric patients submitted to maintenance ECT treatment, with a high number of previous ECT sessions. PATIENTS AND METHODS: 20 patients submitted to treatment with ECT (10 diagnosed as having depression and 10 with schizophrenia) and 20 controls, who were paired by age, sex and psychopathological diagnosis. For the evaluation of the declarative memory system, the Wechsler Memory Scale (WMS) logical memory test was used. The Hanoi Tower procedural test was employed to evaluate the non declarative system. RESULTS: Patients treated with ECT performed worse in the WMS logical memory test, but this was only significant in patients diagnosed as suffering from depression. No significant differences were observed in the Hanoi Tower test. CONCLUSIONS: A selective alteration of the declarative systems was observed in patients who had been treated with a high number of ECT sessions, while the non declarative memory systems remain unaffected.

Adolescent↗

[Frontal lobe involvement in elderly major depression].

INTRODUCTION: It is acknowledged that major depression (MD) entails alterations in moods, physiological dysfunctions and cognitive dysfunctions. The neuropsychological profile of this mental disorder, however, is still unknown. Furthermore, in the nosological delimitation of depressive disorders there are different categories, which makes it still more difficult to establish the cognitive dysfunction of MD. Over the last few years, a great deal of effort has been aimed at establishing a neuropsychological profile of elderly major depression (EMD) as a distinct depressive disorder, since it also involves other variables such as the course and response to pharmacological treatment. AIMS. The objective of this study is to review the present state of the cognitive deficits in EMD and their possible neurobiological correlates. METHOD: From a search in the Medline database using the keywords elderly major depressive disorders , cognitive function , frontal lobes and prefrontal area , we selected studies that had been conducted over the last 10 years. CONCLUSIONS: Recent studies have found mnemonic deficits, together with an executive dysfunction in EMD. Bearing in mind the interactions between affection, motivation and cognitive function enables us to better understand the involvement of the fronto subcortical pathways in this disorder. Moreover, future research should centre on the pathways that connect the frontal lobes and, more specifically, those between the prefrontal dorsolateral area and practically the rest of the brain, since, from what can be observed in the findings obtained, the executive dysfunction could be due to a brain connection disorder

Aged↗