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The purposes of this descriptive study were to document the prevalence of previously identified risk factors for falls in a group of acutely ill psychiatric patients, to determine if patients who fell differed from nonfallers with respect to risk factors, and to describe the circumstances surrounding falls that occurred on an inpatient unit. All patients admitted to an acute psychiatric unit during a 7-month period were entered into the study (N = 197). Twice a day, nurses who worked on the unit completed a fall-risk factors checklist for each patient. When a fall occurred, an additional instrument designed to measure circumstances associated with the fall was completed. The most frequently occurring risk factors were clinical diagnoses of depression and confusion or disorientation. Seventeen patients fell during their hospitalization. Compared with nonfallers, patients who fell were more likely to have a previous history of falls, generalized weakness, confusion or disorientation, difficulty with mobility or walking, elimination problems, and temperature elevation. Analysis of circumstances surrounding falls showed that the majority of falls occurred when patients were attempting to get out of bed, walk to the bathroom at night, or change from a sitting to a standing position. Findings from this research can be used to identify psychiatric patients who are at risk for falls during their hospitalization.
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PMID:Falls in a psychiatric unit. 975 11

Background: To assess the psychological impact of emergency evacuation on individuals temporarily residing in foreign countries, we surveyed two groups of recently returned Peace Corps Volunteers. Methods: Cases were individuals (n = 265) who had been evacuated under emergency circumstances from their countries of service: Liberia, the Philippines, and Yemen. The control group (n = 90) consisted of the immediate predecessors of cases from the same countries who had completed their service under regular circumstances. Results: There were no significant age or gender differences between cases and controls. The median length of service in the foreign country was 14 months for evacuees and 24 months for regular returnees. Feelings of depression were self-reported by 60% of evacuees while 29% of controls reported this. For feelings of disorientation, 55% of cases versus 33% of regular returnees reported such symptoms. Other symptoms identified by more than 40% of evacuees included: difficulty making decisions (49% versus 26% of controls); anxiety (46% versus 27% of controls); numbness of feelings (43% versus 14% of controls); and periods of crying (43% versus 12% of controls). Conclusion: Temporary residence in a foreign culture may be associated with significant psychological symptoms upon return to one's home country. When forced to depart from one's host country under emergency conditions, the likelihood of individuals reporting these symptoms markedly increases.
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PMID:Psychological and Readjustment Problems Associated with Emergency Evacuation of Peace Corps Volunteers. 981 97

The psychological effect of extended isolation in a protected environment is of concern to health care professionals on the Pediatric Oncology Unit at the National Institutes of Health. Problems such as increased anxiety, depression, boredom, passivity, and time-space disorientation have been noted in similarly isolated patients. The development of a comprehensive therapeutic recreation program designed to address these issues, as well as to meet the individual leisure needs of the isolated patient, is seen as an essential component of patient care. This article outlines the rationale and format of such a program.
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PMID:Recreation therapy: reducing the effects of isolation for the patient in a protected environment. 1027 26

The causes of Datura intoxication include medication overdose, misuse of edible vegetables, deliberate abuse as a hallucinogen, homicidal or robbery and accidental intoxication from contaminated food. We report an incident of 14 people with Datura intoxication caused by ingesting wild Datura suaveolans for food. The incubation period was 15 to 30 min. The symptoms/signs were dizziness, dry mouth, flushed skin, palpitation, nausea, drowsiness, tachycardia, blurred vision, mydriasis, hyperthermia, disorientation, vomiting, agitation, delirium, urine retention, hypertension and coma. Three patients were hospitalized for 2-3 days. Thirteen persons received supportive fluid therapy. One patient did not receive medical therapy, he induced vomiting and drank a lot of water. Four patients presented with delirium/coma and 3 received physostigmine therapy with good response. One patient was intubated because of coma and respiratory depression. Three persons needed Foley catheterization for urine retention or coma status. One patient had a complication of urinary tract infection and antibiotic management. All patients recovered with no sequelae.
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PMID:Poisoning by Datura leaves used as edible wild vegetables. 1043 80

1. We examined 156 patients 33 years after CO poisoning occurred at the Miike Mikawa Mine, Fukuoka, Japan. The subjects were classified according to age as follows: between 55 and 59 years (n = 14), 60 and 69 years (n = 62), 70 and 79 years (n = 60), and 80 and 87 years (n = 18). The mean age was 69.2 years old. Concerning the duration of coma that occurred soon after the accident, 64 remained comatose from 0 to 6 hours, 46 from 6 to 12 hours and 46 from 12 to 48 hours. 2. Subjective symptoms were observed in 96.8% of the patients. Among them, forgetfulness was noted in 89.7%, followed by irritability in 66.7%, headache in 59.6%, insomnia in 55.8%, limb pain in 46.8%, dull head feeling in 42.9% and dizziness in 36.5%. 3. Intellectual disturbances were observed in 68.6% of the patients, including impression disturbance in 58.3%, memory disturbance in 51.9%, calculation disturbance in 63.5%, thinking disturbance in 61.5% and disorientation in 14.1%. 4. Apathy and disorder of volition and interest which were found in 72.4% were included in personality change because all symptoms persisted for many years. Personality change was classified as follows: weakness of emotion and will (hypobulia) in 54.4%, infantilism in 35.2%, hyperactive, talkactive and lack of inhibition in 18.5%, lack of self-possession and unstable temper in 9.6%, depression in 15.3%, neurosis in 7.6% and schizophrenic state in 2.5%. Among these symptoms of personality change, weakness of emotion and will and infantilism were conspicuous among the patients who remained in a coma for more than 6 hours soon after the accident but showed no relationship with age. 5. Neurological symptoms that were found in 48.7% of the patients were classified as sensory disturbance in 25.6%, peripheral nerve symptoms in 16.0%, pyramidal symptoms in 14.1%, ataxia and cranial nerve symptoms in 7.1%, paroxysmal symptoms in 6.4% and focal symptoms in 4.5%, extrapyramidal symptoms in 21.8% (Parkinsonism in 4.5%, tremor in 10.9% and muscle rigidity in 16.0%) and vegetative symptoms in 37.2%. 6. At the time of investigation, 5 CO poisoning patients were classified as serious cases (3.2%), 20 as comparatively serious (12.8%) medium-degree cases, 28 as comparatively mild (17.9%) medium-degree cases, 37 as comparatively serious (23.7%) mild cases, 42 as comparatively mild (26.9%) mild cases, 24 (15.4%) as having symptoms which were not problematic, and 24 (15.4%) as having symptoms that markedly worsened due to complication. 7. A total of 138 (88.4%) cases had complications were classified as follows: 78 cases (50.0%) of hypertension, 62 cases (39.7%) of cerebral infarction, 24 cases (15.4%) of cardiac disturbance, 21 cases (13.5%) of diabetes mellitus, 14 cases (9.0%) of hepatic disturbance and six cases of silicosis (3.8%). 8. Cranial MRI was carried out for 129 cases (82.7%). Of the abnormal findings identified, cerebral atrophy accounted for 72.0% (93 cases), including moderate and severe cases in 47.2% (61 cases), pallidum lesion for 37.9% (49 cases), lacunar infarction (including cerebral infarction) for 52.7% (68 cases), and hippocampal atrophy for 18.6% (24 cases). Many cases of cerebral atrophy and hippocampal atrophy were observed in patients who remained in the initial coma for more than 12 hours and were 80 years of age or old. The cases of pallidum lesion were observed in patients who remained in the initial coma for more than 6 hours, and no relationship with age was found. The other findings, cerebral atrophy and lacunar infarction showed a slight relationship with age. 9. Among the moderate and serious cases of intellectual disturbance, cerebral atrophy constituted to 62.5%, lacunar infarction 68.7% and pallidum lesion 50.0%. Among the moderate and serious cases of personality change, cerebral atrophy constituted 78.5%, lacunar infarction 35.0% and pallidum lesion 50.0%. Moreover, among extrapyramidal symptoms, pallidum lesion constituted 58.6%, cerebral atrophy 55.1% and lacun
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PMID:[Long-term follow-up study on sequelae of carbon monoxide poisoning; serial investigation 33 years after poisoning]. 1050 96

Zolpidem, a non-benzodiazepine hypnotic, was identified in the blood of 29 subjects arrested for impaired driving. Zolpidem concentrations ranged from 0.05 to 1.4 mg/L (mean 0.29 mg/L, median 0.19 mg/L). In the subjects whose cases we reviewed where zolpidem was present with other drugs and/or alcohol, symptoms reported were generally those of CNS depression. Symptoms included slow movements and reactions, slow and slurred speech, poor coordination, lack of balance, flaccid muscle tone, and horizontal and vertical gaze nystagmus. In five separate cases, where zolpidem was the only drug detected (0.08-1.40 mg/L, mean 0.65 mg/L, median 0.47 mg/L), signs of impairment included slow and slurred speech, slow reflexes, disorientation, lack of balance and coordination, and "blacking out." Although no quantitative relationship between blood concentrations and degree of driving impairment is currently possible, it is reasonable to conclude that because of its specific activity as a sleep inducer, blood concentrations consistent with therapeutic doses of zolpidem have the potential to affect driving in a negative way, and that concentrations above the normal therapeutic range would further impair a person's level of consciousness and driving ability.
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PMID:Zolpidem and driving impairment. 1121 Aug 92

Correct administration in the early postoperative phase is decisive in the final outcome of surgery and the presence of the Recovery Room (RR) contributes significantly to a reduction in the post-operative risk rate. The objectives of the RR are: removal of the pharmacological effect of general anaesthesia; stabilization of vital parameters (circulation and ventilation); stabilization of body temperature; control of the hydro-electrolytic balance; intensive intervention in the case of an acute complication; prescribing a suitable postoperative analgesia; recovering movement in the case of loco-regional anesthesia. Organization of RR must take into consideration: 1) aspect of environment and location; 2) transport of the patient from the operating room to the RR; 3) definition of the equipment necessary for the RR; 4) definition of the role and qualification of the medical and nursing staff; 5) definition of regulations of assistance and the clinical file; 6) definition of criteria for discharge and transfer; 7) definition of means of adjournment, improvement and comparison with other similar structures. RR is administered by an Anesthetist with clinical, therapeutic and decision-making responsibility for the discharge of patients, while the supervision and assistance patients is entrusted to specialised professional nurses. From a clinical point of view the following data are monitored and recorded: the vital signs (passage of air-ways, cardiac and respiratory frequency, arterial pressure, saturation of O2, EtCO2 (in patient with air-way support), body temperature and the state of consciousness, instrumental monitoring of the patient (at pre-established time intervals), control of the skin, the peripheral circulation, surgical wounds, drainage and catheters. The percentage of incidence of complications in RR varies from 6-7 to 30% depending on various studies, probably in relation to the diversity of criteria in defining the complication. The principal complications which can be found in RR, reported in several studies are: respiratory (obstruction of the air-way, hypoxemia, hypoventilation, inhalation), cardio-circulatory (hypotension, hypertension, arrhythmia, myocardial ischemia), postoperative nausea and vomiting, hypothermia and hyperthermia, delayed re-awakening, disorientation and hyper-excitability, postoperative shivering. As long as the patient can be discharged from the RR the following requisites must be satisfied: return of a state of consciousness, stable cardio-circulatory parameters, absence of respiratory depression, absence of bleeding, absence of nausea and vomiting, good analgesia and recovery of movement in the case of loco-regional anesthesia (on this last point not all authors agree). What has been said until now shows the function, usefulness and importance of RRs which must not replace the Intensive Therapy Units. In fact, they are places where the cure must be concluded, in which the Anesthetist is responsible for the whole process. This cure must begin in the preoperative period, continue in the intraoperative period and it is compulsory to proceed in the immediate postoperative period until such a time that, because of the anesthesia administered, the clinical situation of the patient ceases to be considered a potential medical-surgical urgency-emergency .
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PMID:[Recovery Room. Organization and clinical aspects]. 1160 73

On appeal from the San Diego County Superior Court, the California Court of Appeal affirmed a finding that a patient for whom electroconvulsive shock therapy (ECT) was recommended was incapable of giving written informed consent. The physician had petitioned the lower court for a hearing on the patient's capacity to consent to treatment for profound depression and disorientation. That court found that ECT was required and the least drastic treatment available, but that the patient could not knowingly and intelligently act upon information given by the physician.
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PMID:In re Fadley. 1164 89

Alprazolam is a benzodiazepine anti-anxiety agent that acts at the limbic, thalamic, and hypothalamic level of the CNS and has anxioytic. sedative, hypnotic, skeletal muscle relaxant, and anticonvulsant properties. A retrospective study was conducted of 415 alprazolam ingestions in dogs reported to the ASPCA Animal Poison Control Center between January 1998 and August 2000: 238 suspected alprazolam toxicoses in dogs were evaluated. Clinical signs were ataxia/disorientation, depression, hyperactivity, vomiting, weakness, tremors, vocalization, tachycardia, tachypnea, hypothermia, diarrhea, and increased salivation that developed within 10-30 min post-ingestion. Treatment included standard decontamination procedures, such as emesis and activated charcoal: the specific benzodiazepine antagonist, flumazenil, may be used for severe CNS depression.
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PMID:Accidental ingestion of alprazolam in 415 dogs. 1182 68

Delirium may be a common cause of psychotic symptoms such as hallucinations, bizarre delusions and thought-disorder, even in conditions such as schizophrenia, mania and depression, where delirium has traditionally been excluded by definition. This situation is a consequence of the insensitivity of current clinical criteria for the diagnosis of delirium, which recognize only the most severe forms of functional brain impairment (including disorientation and clouding of consciousness). Serial electroencephalograms (EEGs) are the most sensitive method for detecting delirium, and until such studies are performed, the true incidence of delirium in psychotic patients will not be known. The suggested causal mechanism of delirium in psychosis is sleep disruption. Sleep is essential for maintenance of memory circuits, which otherwise suffer progressive synaptic weakening due to molecular turnover. When sleep is disrupted, memory circuits deteriorate, and subsequent activation of incompetent circuits can generate psychotic symptoms. Induction of physiologically normal sleep would therefore be expected to produce significant clinical improvement in patients with psychotic symptoms. Furthermore, the 'anti-delirium' action of electroconvulsive therapy may account for its effectiveness in alleviating a wide range of psychiatric and neurological pathologies.
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PMID:Delirium and psychotic symptoms--an integrative model. 1186 95


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