1/6. An unusual case of sundown syndrome subsequent to a traumatic head injury.An unusual case of sundown syndrome is here reported, in which a bilingual patient would involuntarily change languages at sunset. Numerous theories have been advanced in attempting to account for sundowning. Cameron has suggested that nocturnal delirium was based on an inability to maintain a spatial image without the assistance of repeated visualization. Kral and Wolanin and Phillips have argued for a more psychogenic account, by stating that psychosocial stressors may, in concert with impaired cognitive functioning, account for sundowning. The present case concerns a 42-year-old white male who in January 1989 suffered a closed head injury. A thorough personal history as well as a detailed examination of the patient's daily activities allowed us to account for the unusual manner in which the sundowning manifested itself. The uniqueness of this case allows us to underscore both the psychological as well as environmental and neurological factors involved in sundowning. Thus, we have as a consequence been able to synthesize the seemingly disparate accounts of both Cameron and more recent published literature.- - - - - - - - - - ranking = 1keywords = environment (Clic here for more details about this article) |
2/6. Psychological implications of admission to critical care.Admission to critical care can have far-reaching psychological effects because of the distinct environment. critical care services are being re-shaped to address long-term sequelae, including post-traumatic stress disorder, anxiety and depression. The long-term consequences of critical illness not only cost the individual, but also have implications for society, such as diminished areas of health-related quality-of-life in sleep, reduced ability to return to work and enjoy recreational activities (Audit Commission, 1999; Hayes et al, 2000). The debate around the phenomenon of intensive care unit (ICU) syndrome is discussed with reference to current thinking. After critical care, patients may experience amnesia, continued hallucinations or flashbacks, anxiety, depression, and dreams and nightmares. nursing care for patients while in the critical care environment can have a positive effect on psychological well-being. Facilitating communication, explaining care and rationalizing interventions, ensuring patients are oriented as to time and place, reassuring patients about transfer, providing patients,where possible, with information about critical care before admission and considering anxiolytic use, are all practices that have a beneficial effect on patient care. Follow-up services can help patients come to terms with their experiences of critical illness and provide the opportunity for them to access further intervention if desired. Working towards providing optimal psychological care will have a positive effect on patients' psychological recovery and may also help physical recuperation after critical care.- - - - - - - - - - ranking = 2keywords = environment (Clic here for more details about this article) |
3/6. Consciousness and altered consciousness.The notion of consciousness in the English scientific literature denotes a global ability to consciously perform elementary and intellectual tasks, to reason, plan, judge and retrieve information as well as the awareness of these functions belonging to the self, that is, being self-aware. consciousness can also be defined as continuous awareness of the external and internal environment, of the past and the present. The meaning of consciousness is different in various languages, but it invariably includes, the conscious person is capable to learn, retrieve and use information. Disturbance or loss of consciousness in the Hungarian medical language indicates decreased alertness or arousability rather than the impairment of the complex mental ability. awareness denotes the spiritual process of perception and analysis of stimuli from the inner and external world. Alertness is a prerequisite of awareness. Clinical observations suggest that the lesions of specific structures of the brain may lead to specific malfunction of consciousness, therefore, consciousness must be the product of neural activity. "Higher functions" of human mental ability have been ascribed to the prefrontal and parietal association cortices. The paleocerebrum, limbic system and their connections have been considered to be the center of emotions, feelings, attention, motivation and autonomic functions. Recent evidence indicates that these phylogenetically ancient structures play an important role in the processes of acquiring, storing and retrieving information. The hippocampus has a key role in regulating memory, learning, emotion and motivation. Impaired consciousness in the neurological practice is classified based on tests for conscious behavior and by analyzing the following responses: 1. elementary reactions to sensory stimuli--these are impaired in hypnoid unconsciousness, 2. intellectual reactions to cognitive stimuli--these indicate the impairment of cognitive contents in non-hypnoid unconsciousness. Obviously, disturbance of elementary reactions related to alertness and disturbance of intellectual performance overlap. In conditions with reduced ability to react to or to perceive external stimuli the cognitive disturbance of consciousness cannot fully be explored.- - - - - - - - - - ranking = 1keywords = environment (Clic here for more details about this article) |
4/6. Unmasking delirium.The authors use a case study to illustrate the risks of delirium in older adult patients and discuss ways to prevent, identify and manage its occurrence. An estimated 60 to 80 per cent of hospitalized frail older adults experience at least one preventable episode of delirium, often leading to prolonged hospitalization, functional decline, increased morbidity and eventual nursing home placement or death. delirium is a medical emergency, characterized by acute onset and a fluctuating course that is demonstrated by abrupt changes in mental status and function. It has three categories: hyperactive, hypoactive and mixed. Although delirium is amenable to expert nursing care, it is unrecognized or misdiagnosed in up to 70 per cent of older patients. delirium results from the interplay of multiple forces associated with illness in the older adult, including drugs, substance abuse, metabolic disturbances, nutritional deficiencies, fluid disturbances, acute trauma or illness, infection and impaired physical or functional ability A proactive strategy for delirium prevention and treatment targets defined risk factors and the management of physiologic factors that precipitate delirium. It includes assessment, therapeutic environmental modification, standardized protocols for physiological interventions and staff education.- - - - - - - - - - ranking = 1keywords = environment (Clic here for more details about this article) |
5/6. Psychologic response to coronary artery bypass.This study reports the psychologic findings in 30 patients undergoing this operation. Approximately one third developed postcardiotomy delirium, an occurrence consistent with that after other forms of open-heart surgery. Acceptance of the operation as opposed to preoperative anxiety, depression or denial, adequate comprehension of the proposed procedure, and a stable postoperative environment seem associated with less postcardiotomy delirium. Preventive preoperative therapeutic suggestions based on these findings are given.- - - - - - - - - - ranking = 1keywords = environment (Clic here for more details about this article) |
6/6. delirium in the elderly patient.delirium is characterized by a sudden deterioration in cognitive function and an inability to sustain attention. It is a medical emergency that occurs in more than 20 percent of hospitalized elderly patients. Misdiagnosis is common and contributes to high morbidity and mortality. patients may present in hypoactive, hyperactive or mixed states. frail elderly patients are at greatest risk of delirium, especially those with dementia and multiple medical problems. Clinical history, physical examination and laboratory testing determine the most likely etiologies, such as medications (especially drugs with anticholinergic potential), infections and electrolyte disturbances. Effective management requires prompt treatment of the underlying pathology and maintenance of a supportive environment. It is often necessary to control agitation and prevent the complications of immobility in elderly patients with delirium. Although the long-term prognosis is guarded in elderly patients with delirium, sound geriatric care and a high index of suspicion can minimize the impact of delirium.- - - - - - - - - - ranking = 1keywords = environment (Clic here for more details about this article) |