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    Patients with epilepsy and patients with psychogenic non-epileptic seizures: Video-EEG, clinical and neuropsychological evaluation
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    The results of the research of the chronic pain structure of somatogenic and psychogenic origin were presented in this article. Psychogenic component was revealed in the structure of the anginal pain of chronic character in patients with coronary heart disease (CHD). The content of a psychogenic component was expectedly lower in CHD patients than in patients with chronic pain of the psychogenic origin. At the same time, somatogenic component was discovered in patients with psychogenic pain that could confirm the mixed nature of chronic pain of the psychogenic origin. The determination of the chronic pain structure allows to understand mechanisms of its formation better and to find more effective methods of its management.
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    The principles of neurological examination of patients in which psychogenic disturbances are suspected are first described. After mentioning the frequency of this type of disturbances in the medical literature, some of the most characteristic and most frequent psychogenic disturbances in neurology are described: cranial nerve symptoms, sensory disturbances as well as psychogenic paralysis including paraplegia and psychogenic disturbances of gait. A chapter is dedicated to psychogenic disturbances of consciousness and to psychogenic attacks mimicking epilepsy. Finally a description is given of those organic neurological diseases in which in our experience the erroneous diagnosis of psychogenic disturbances is most frequently made. Some recommendations, how to behave in the presence of a patient with psychogenic neurological symptoms is added.
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    In this article, the authors emphasize the value of proper understanding of the nature of psychogenic nonepileptic seizures in order to reach the right diagnosis based on clinical symptoms and signs. The authors review the literature and provide information regarding epidemiology, etiology and pathogenesis, diagnosis, and features of psychogenic nonepileptic seizures as they compare to epileptic seizures. The authors make suggestions for treatment and provide a clinical diagnostic tool that can aid clinicians in identifying a psychogenic nonepileptic seizure episode.
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    This chapter contains sections titled: Introduction Diagnosis Psychiatric classification Clues suggesting the presence of a psychogenic movement disorder General clinical features Psychogenic tremor Psychogenic dystonia Psychogenic myoclonus Psychogenic gait disorder Psychogenic parkinsonism Physiologic brain changes in psychogenic disorders Treatment of psychogenic movement disorders References
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    The characteristics of somatic symptoms seen at the first hospital visit in patients with psychogenic backgrounds remain poorly elucidated till date.A total of 277 patients who visited the Department of General Medicine at a single university hospital with somatic symptoms were prospectively enrolled in this study. The eventual definite diagnoses were classified into the following three groups: non-psychogenic disease (n = 128), psychogenic symptoms (n = 131), and mental illness (n = 18). Subsequently, the chief complaints and other background information of the patient obtained at the first visit were compared among the three groups.More than half of the patient with non-psychogenic diseases (60.2%) presented with a single complaint at their first hospital visit; contrarily, less than half of the patients with psychogenic symptoms (23.7%) or mental illnesses (22.2%) presented with a single complaint at the first visit. Approximately, <10% of the patients with non-psychogenic diseases had four or more multisystemic presentations at the first visit. The results of the receiver operating characteristic curve analysis revealed a fair discriminatory ability of the number of complaints to identify patients with psychogenic diseases or psychiatric backgrounds. Almost half of the non-psychogenic patients with four or more multisystemic presentations were eventually diagnosed with autoimmune-related disorders, such as Sjögren's syndrome or Behçet's disease. In conclusion, the general notion that patients with psychogenic somatic symptoms are likely to present with more complaints than patients with non-psychogenic diseases is correct. However, not a few patients who present with multiple indefinite complaints would certainly have organic diseases such as autoimmune-related disorders or neuromuscular diseases. A careful diagnostic process is required in such patients before attributing their symptoms to psychogenic or psychiatric factors.
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    Psychogenic erectile dysfunction (ED) is a very common condition in men. About 40% of ED cases are psychogenic. Many of the psychogenic ED patients are young men. The causes of psychogenic ED can be generalized as well as situational. Psychogenic management approaches are different from organic ED. In patients with psychogenic ED, an intersystemic approach is needed for both the patient and his partner. This intersystemic approach will inspect the real cause of the problem. Intersystemic approach: The intersystemic approach not only focuses on the patient side but also on his partner. This approach provides space for partners to explore and understand their sexual life. In this article, we focus to explore a research that conducts intersystemic principle in ED management. We conclude that in psychogenic ED, an intersystematic approach is important for determining the root cause of the problem. Finding the right core cause will determine the right treatment. This therapy can combine with pharmacologic treatments. These therapies can give a better outcome for psychogenic ED.
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    Psychogenic nonepileptic seizures (PNES) and psychogenic movement disorders (PMD) are commonly seen in Neurology practice and are categorized in the DSM-5 as functional neurological disorders/conversion disorders. This review encompasses historical and epidemiological data, clinical aspects, diagnostic criteria, treatment and prognosis of these rather challenging and often neglected patients. As a group they have puzzled generations of neurologists and psychiatrists and in some ways continue to do so, perhaps embodying and justifying the ultimate and necessary link between these specialties.
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