Delusional jealousy is a frequent problem in dementia. Convictions about the partner's infidelities may form the content of psychopathological phenomena, such as delusions. We searched the electronic databases for original research and review articles on Othello syndrome in demented patients using the search terms ‘Othello syndrome, morbid jealousy, pathological jealousy, delusional disorders, dementia’. The purpose of this paper is to examine the phenomenon of pathological jealousy in people with dementia. At least 30% of cases in the literature show a neurological basis for their delusion of infidelity, although its biological basis is not fully understood. Othello syndrome is a psychotic disorder characterized by delusion of infidelity or jealousy it often occurs in the context of medical, psychiatric or neurological disorders. Accessed June 4, 2015.Jealousy is a complex emotion that most people have experienced at some time in life pathological jealousy refers primarily to an irrational state. Clinical features of delusional jealousy in elderly patients with dementia. (Pharmacotherapy generally consisted of an atypical neuroleptic, which was given with or without donezapil in the patients who had dementia with Lewy bodies.) Outcomes, according to the study researchers, suggested that prognosis of delusional jealousy in demented patients is relatively benign. Among patients with delusional jealously, outstanding features particular to those with dementia with Lewy bodies were visual hallucinations and misidentification of familiars, affecting 8 (80%) of the 10 patients in this subset.ĭelusional jealousy resolved within 12 months after pharmacotherapy in 15 (83%) of the 18 patients. However, the researchers observed that delusional jealousy was preceded by the onset of serious physical illness, including cancer, aortic aneurysm, and femoral neck fracture, in nearly half of affected patients. No significant differences between patients with and without delusional jealousy were identified regarding sex, age, education, presence of other persons living in the home, or Mini-Mental State Examination score. Delusional jealousy was identified in 5% of patients with vascular dementia. Whereas 7 (6%) of patients with AD had delusional jealousy, 10 (26%) patients with dementia with Lewy bodies were affected. The researchers ultimately found that prevalence of delusional jealousy was significantly higher among patients with dementia with Lewy bodies than patients with AD ( P <. The interviews assessed presence of coexisting psychiatric symptoms (eg, hallucinations, other delusions, or depression) severe physical disorders (defined as requiring hospitalization or severely affecting activity of daily living) aggressive behavior past history of infidelity by the spouse health of the spouse and whether the spouse was frequently absent from the home. In addition to comparing patient characteristics of the entire group, patients with delusional jealousy and their primary caregivers were interviewed. In all, delusional jealousy was identified in 18 (9%) patients. Diagnoses were based on DSM-III-R criteria. Frontotemporal lobar degeneration, idiopathic normal pressure hydrocephalus, progressive supranuclear palsy, and corticobasal degeneration were each diagnosed in fewer than 3% of patients. Among the study population, 127 (61%) patients had AD 38 (18%) dementia with Lewy bodies and 21 (10%) vascular dementia. The team compared prevalence of delusional jealousy, also known as Othello syndrome, in 208 outpatients with various forms of dementia.
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