Attention-deficit/hyperactivity disorder (ADHD) and bipolar disorder (BD) are neurodevelopmental disorders with onset in childhood and early adolescence, and common persistence in adulthood. Both disorders are often undiagnosed, misdiagnosed, and sometimes over diagnosed, leading to high rates of morbidity and disability. The differentiation of these conditions is based on their clinical features, comorbidity, psychiatric family history course of illness, and response to treatment. We review recent relevant findings and highlight epidemiological, clinical, family history, course, and treatment-response differences that can aid the differential diagnosis of these conditions in an outpatient pediatric setting.
SUMMARYObjective. The aim of the Study was to compare the impacted third molar surgical technique by means of the high speed rotary handpiece with the piezoelectric one. Materials and Methods. 192 patients have been selected among those who had to undergo a third molar surgical extraction. These patients' surgeries have been performed by means of one of the techniques, randomly chosen. Each patient has undergone the same analgesic therapy (paracetamol 1000 mg tablets). Each surgery has been performed by the same surgeon. The patients were asked to fill in a questionnaire concerning the postoperative pain ("happy face pain" rating scale). Results. The average duration of the surgeries performed by means of the high speed rotary handpiece was 32 minutes, while the duration of the ones performed by means of the piezoelectric handpiece was much longer (54 minutes). The postoperative pain values were almost equal. Conclusions. In conclusion, the osteotomy performed by means of the traditional technique still represents the gold standard in the impacted third molar surgery. The piezoelectric technique may be an effective choice, especially for the less skilled surgeons, in order to guarantee the protection of the delicate locoregional anatomical structures.
Objectives.To review the role of Wnt pathways in the neurodevelopment of schizophrenia. Methods: Systematic PubMed search, using as keywords all the terms related to the Wnt pathways and crossing them with each of the following areas: normal neurodevelopment and physiology, neurodevelopmental theory of schizophrenia, schizophrenia, and antipsychotic drug action. Results: Neurodevelopmental, behavioural, genetic, and psychopharmacological data point to the possible involvement of Wnt systems, especially the canonical pathway, in the pathophysiology of schizophrenia and in the mechanism of antipsychotic drug action. The molecules most consistently found to be associated with abnormalities or in antipsychotic drug action are Akt1, glycogen synthase kinase3beta, and beta-catenin. However, the extent to which they contribute to the pathophysiology of schizophrenia or to antipsychotic action remains to be established. Conclusions: The study of the involvement of Wnt pathway abnormalities in schizophrenia may help in understanding this multifaceted clinical entity; the development of Wnt-related pharmacological targets must await the collection of more data.
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