[The place of electroconvulsive therapy in the treatment of mental disorders].
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Biomedical subjects
Publications and source records attributed to A Kalinowski.
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28 patients aged from 31 to 69 years with endogenous depression were studied. All cases were drug-resistant i.e. they did not improve after a treatment with tricyclic antidepressants and in four cases also after electroconvulsive therapy. The group were managed with intravenous infusions of clomipramine or maprotiline followed by oral administration of the drug. Clomipramine was given i.v. at doses 75-300 mg daily for 7 to 16 days and maprotiline at 75-200 mg daily for 6 to 20 days. Remission of depressive symptoms was observed in 43% of cases and the first signs of improvement were observed on tenth day of the treatment. Tolerance to both drugs given parenterally in majority of cases was satisfactory. Half of the group did not show any untoward events. The rest of the group displayed local tissue reactions, both increased and decreased blood pressure, weakness, drowsiness, anxiety, vertigo, hyperpyretic reactions. Four patients had the treatment discontinued because of local tissue reactions or increased blood pressure or hyperpyretic reactions.
Studies conducted on a group of 38 patients with endogenous depression demonstrated that a reaction to sleep-deprivation presenting as improved well-being has a significant predictive potential for treatment with imipramine. Patients who displayed the reaction also significantly more frequently displayed improvement of clinical course (remission; good response). Risk of switching from depression to mania also increased among these patients. Patients responding to sleep-deprivation with improved well-being belonged mainly to the bipolar affective disorder. Neither clinical manifestations of depression, nor the number of relapses, nor the duration period of the disorder, nor basic demographic patterns did show distinct features; nor did they differ significantly from patients who did not respond to sleep-deprivation with improved well-being.
In the group of 115 endogenous depression patients 84 responded to tricyclic antidepressant medication and 31 remained drug-resistance. The changes of platelet MAO activity and serum DBH activity in the latter group were found. Among drug-resistant patients, 40% showed low MAO/DBH index (.6) and in 36% the index was within the medium range (.6-1.9). The low value of the index is predominantly connected with the increase of DBH and decrease of MAO activity, and it may become the potential predictive factor for the pharmacotherapy in endogenous depression. The results show the influence of the disturbances of catecholamines synthesis and degradation on the phenomenon of drug-resistance to tricyclic antidepressants.
The influence of some selected demographic and clinical characteristics on the formation of resistance to antidepressant drugs were studied in the group of 115 patients with affective disorders. Drug resistance occurs as frequently in women as in men. It appears much frequently in patients after 40 (about 30%). Persons under 30 are not or very rarely affected. Type I of bipolar affective disorder and the occurrence of affective disorder in relatives are positive prognostic factors. The long relapses (greater than 20 weeks) are of the worse prognostic value than shorter ones (less than 3 months). Previous poor efficiency of antidepressant drugs predicts very often an identical response during current episode. Alcohol abuse is an unfavourable prognostic factor in men with endogenous depression.
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