The book Itinerar psihiatric defines and develops the concept in the third part: Relaţia biopsiho-socială în terapia psihiatrică [The biopsycho-social relation in psychiatric therapy] (pp. 277–354) and in the sub-chapter: Semnificaţia unui concept tridimensional în terapeutica psihiatrică [The meaning of a tridimensional concept in psychiatric therapeutics].
The work chronologically and gnoseologically show the theoretic and practical priority of the biopsycho-social concept-model-constructivismpsychiatry achieved by Petre BRÂNZEI (1968– 1985)
– Many times, constructivism is associated with structuralism, bearing in mind that structuralism is also familiar with various orientations and trends. In reality, this belief is false, owing to the fact that both constructivism and structuralism have grown as a result of the triumph of the systemic approach in the development of science. In this respect, George L. Engel is right when claiming that the enforcement of the bio-psycho-social model instead of the bio-medical one is based on the systemic approach, its origins appearing in the works of Paul Weis and Ludwig von Bertalanffy, without however achieving identity with our simultaneously tridimensional, dynamic, constructivist and in the same time unitary concept (p. 140);
– As of this new qualitative moment in the interpretation of psychiatry, we moreover estimate on a sociological level “the double concomitant opening” between psychiatric services and society, in view of protecting and promoting the mental health of the population through its own educational elevation regarding the medicine of the healthy man, a theory which from our constructivist perspective is not identical to the lagging option on preventative medicine of the biomedical system (p. 141);
– With this interdisciplinary aim in mind, between 1968 and 1970, a special space which was named as such “The bio-psycho-social complex” was built within the “Socola” Hospital, a space which – in fact – conferred new dimensions to the complex activity of the “Socola” School. Also, under the aegis of the “Socola” school, the “Psycho-Social Service” was established in 1969, a psychiatric extra-hospital institution hiring specialists from various scientific areas and which elaborated, as a team, ample studies among the adult and young populations, activities recognized by specialists and scientific bodies in Europe and America (pp. 141–142).
Petre Brânzei graduated from the "Mihail Kogălniceanu" High School in Vaslui and attended the Faculty of Medicine in Iași, obtaining the title of doctor in 1943. He became a specialist in neurology and psychiatry in 1946, teaching at Socola Hospital Iași. He began his university career in 1946, as an assistant, becoming in 1969 a university professor and head of the Department of Psychiatry at the I.M.F. Iasi. In 1966 he was appointed director of the Socola Iasi Clinical Hospital for Neuropsychiatry, succeeding Professor Leon Ballif. As director, Petre Brânzei developed the material base and gathered a valuable collective of collaborators.
In his activity, Petre Brânzei developed the bio-psycho-social constructivist concept, significantly changing the orientation of the School of Psychiatry in Socola.