[Suicide in patients of an ambulatory psychiatric service (study of 34 suicides from 1973 to 1980 at the University Psychiatric Polyclinic in Lausanne)].

The study of 34 suicides who were in treatment in an ambulatory psychiatric service reveals a predominance of psychotics. Critical description of the treatment, the psychological factors leading up to the suicide (importance of professional conflicts) and the attitude of the physicians. Relationship between the depressive state and the presuicide syndrome. Remarks on foreseeing suicide and on the psychological repercussions on the psychiatrist.