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 31,883 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Proprietary sleep aids and sedatives can cause delirium, coma and occasionally death in children and adults. The constituents in sleep aids that significantly effect central nervous system activity are bromides, methapyrilene, pyrilamine and scopolamine (hyoscine). Constituent proportions and mixtures vary greatly at different times since manufacturers make frequent adjustments. The effects of toxicity resulting from the misuse of ethylenediamines include nausea, vomiting, blurred vision, incoordination, tremors, dry mouth, constipation and an acute poisoning syndrome. Management of adverse reactions produced by either methapyrilene or pyrilamine consists of dosage reduction or discontinuation. The acute poisoning syndrome requires implementation of general symptomatic and supportive principles.
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PMID:Sleep aids and sedatives. 33 Sep 11

We have reported a rare case of spontaneous 3rd ventriculostomy with spontaneous arrest of obstructive hydrocephalus. A 41 year old man, who had had an intermittent headache for about a year, was admitted to the department of neurosurgery Kitasato University with chief complaints of sudden onset of severe headache, vomiting and disturbance of consciousness. At the time of admission, 30 minutes after the onset of symptoms, the positive neurological findings were delirious state of consciousness, miotic pupils with sluggish reaction to light, mild hemiparesis on the left site and slight nucnal rigidity. He lapsed into coma after two hours, however he gradually relieved from these symptoms since the forth hospital day. Cerebrospinal fluid was bloody. Radiograms of the skull revealed decalcification of posterior clinoid process and postero-inferior displacement of pineal calcification. Brain scanning and vertebral angiography demonstrated tumor stain in the posterior portion of the 3rd ventricle. Dimer-X ventriculography revealed the obstruction of posterior portion of the 3rd ventricle and the leakage of Dimer-X through the floor of the 3rd ventricle into the intrasellar subarchnoid space. The patient died after about one year from the onset of symptoms. Any signs of increased intracranial pressure had not been noticed since the forth hospital day; At autopsy we confirmed the posterior portion of the 3rd ventricle was obstructed by tumor. In the floor of the 3rd ventricle there was a round opening which was patient and measured about 3 mm in diameter. Microscopic examination of the tumor showed an oligodendroglioma. Neoplastic cells partially infiltrated into the surface facing to the 3rd ventricle and slight gliosis was observed around the site of rupture. The surface along the subarachnoid space was lined with pia-aracnoid membrane except at the site of rupture. In the past literatures only 6 cases of spontaneous 3rd ventriculostomy have been reported. Three cases were observed spontaneous arrest of obstructive hydrocephalus. Our case is the first reported case of spontaneous 3rd ventriculostomy through the floor of the 3rd ventriculostomy through the floor of the 3rd ventricle. We suggested the pathogenesis of spontaneous 3rd ventriculostomy is a result of destruction at normally weak points of 3rd ventricle (ex. anterior, posterior wall and floor of 3rd ventricle), which has the reultant internal hydrocephalus caused by recurrent obstruction of C.S.F. pathway or long-standing obstructive hydrocephalus.
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PMID:[A case of spontaneous 3rd ventriculostomy (author's transl)]. 55 83

In 70 patients (maxillo-facial-, neurosurgical-, abdominal- and gynaecological operations) the technique of "analgetic anaesthesia" using high doses of fentanyl (0.025 mg/kg body weight) and naloxone as its antagonist (0.02 mg/kg body weight) has been employed. All patients were artificially ventilated with N2O/O2 in a 3:1 ratio. Muscle relaxation was achieved with pancuronium-bromide (0.08 mg/kg). The patients had no apparent heart or lung disease. The youngest patient was 4 years of age, the oldest 82 years of age (average age 48.9). The necessity for a reinjection of fentanyl (half the initial dose) was determined by continously monitoring heart rate. This variable appeared to be the most subtle index indicating a reduction in analgesia. Sufficient analgesia was maintained once the heart rate stayed 20% below preanaesthetic levels. At the end of the operation naloxone reversed the respiratory depression. There was no evidence indicating postoperative pain, which may have required administration of additional analgesics. If deep analgesia was maintained up to the last surgical procedures no emesis appeared in the post operative period. The incidence of emesis was higher 10% compared to the classical neuroleptanalgesia with droperidol this was often noted in cases where blood accumulated in the stomach (maxillo-facial operations) (70%). In 3% of all cases psychomotor agitation with delirium appeared right after the injection of naloxone. This lasted for about 15 minutes. We suspect that due to the sudden and powerful effect of naxolone, in replacing fentanyl from its receptor site, acute withdrawal symptoms may be precipitated.
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PMID:[High doses of fentanyl as the sole anaesthetic agent and naloxone as its antagonist (author's transl)]. 113 60

A case of life-threatening adverse effects following intravenous administration of a non-ionic contrast medium is reported. The patient, a 68-year-old diabetic hypertensive male with dyspnoea and cough had an abnormal chest radiograph, revealing congestive heart failure and an enlarged right hilum. Computed tomography (CT) of the chest was performed using 100 cm3 of intravenous iopamidol. Within half an hour the patient developed abdominal cramping, vomiting, and diarrhoea, followed by hypotension, tachycardia, fever to 40 degrees C, and delirium. His course was complicated by disseminated intravascular coagulation, rhabdomyolysis, renal failure, respiratory arrest, and atrial fibrillation. There was no evidence of infection, neoplastic disease, or myocardial infarction. Over the next month the patient slowly recovered. One other case report implicates a contrast agent with a similar syndrome. The features of this case fulfil the criteria for a probable adverse drug reaction of a type and severity rarely encountered.
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PMID:Case report: multisystem failure following intravenous iopamidol. 139 88

The lack of control of physical suffering among cancer patients in the last days or hours of life is a common medical problem but it is rarely discussed in an open fashion. We carried out a prospective study of the dying of 120 terminal cancer patients assisted by a home care team. We documented how long it was before death that physical symptoms, unendurable to the patient and controlled only by sedation-inducing sleep, appeared. In 63 patients (52.5%), unendurable symptoms due to tumor progression or irreversible acute organic phenomena appeared, on average two days before death. Of the 63 patients, 47 had only one uncontrollable symptom, 15 had two symptoms and one patient had three symptoms. The most common symptoms included dyspnea (33 patients), pain (31), delirium (11), and vomiting (5). The most frequent symptoms were dyspnea in lung and head and neck disease; pain in breast, gastrointestinal tract, colon-rectum, and male genitourinary tract cancer; and vomiting in female genitourinary tract malignancies. Data reported emphasize the clinical relevance of physical symptoms in the last days of life in terminal cancer patients and how these serve to indicate imminent death. More than 50% of these patients die with physical suffering that is controllable only by means of sedation.
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PMID:Symptom prevalence and control during cancer patients' last days of life. 171

Reye syndrome (RS) is an acute illness that occurs almost exclusively in children; it is characterized clinically by profuse vomiting and neurologic dysfunction, sometimes progressing to delirium, coma, and death. Continuous national surveillance for RS was established in December 1976. This report summarizes RS cases for the 1989 surveillance year (December 1, 1988-November 20, 1989).
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PMID:Reye syndrome surveillance--United States, 1989. 189 29

1. The authors review the literature describing acute symptomatology produced by the gradual or abrupt withdrawal of heterocyclic antidepressants, monoamine oxidase inhibitors (MAOI) and neuroleptics. 2. Withdrawal of heterocyclic antidepressants and antipsychotic agents causes similar symptomatology. Symptoms produced by the discontinuation of these drugs include nausea, emesis, anorexia, diarrhea, rhinorrhea, diaphoresis, myalgias, paresthesias, anxiety, agitation, restlessness, and insomnia. 3. Psychotic relapse is often presaged by anxiety, agitation, restlessness, and insomnia. Prodromal symptoms are distinguished from the effects of neuroleptic withdrawal by a temporal relationship of the latter to reductions in the dosage or discontinuation of antipsychotic agents. 4. Withdrawal of MAOIs can result in severe anxiety, agitation, pressured speech, sleeplessness or drowsiness, hallucinations, delirium, and paranoid psychosis. 5. MAOI withdrawal phenomena resemble the symptoms produced by the discontinuation of chronically administered psychostimulants. 6. The capacity of MAOIs to exert amphetamine-like effects presynaptically and the propensity of somatic treatments for depression to subsensitize presynaptic receptors regulating the release of catecholamines provide a basis for the development of psychotic symptoms upon the withdrawal of MAOI. Evidence for this hypothesis is reviewed.
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PMID:Heterocyclic antidepressant, monoamine oxidase inhibitor and neuroleptic withdrawal phenomena. 196 71

Thirty-one consecutive cases of intracerebral hemorrhage (ICH) in the elderly (over 70 years at the onset) were reported with special reference to neurological evaluations, prognosis and mortality in the acute phase. There were 11 men and 20 women with ICH, who were admitted to the Yokufukai Geriatric Hospital within 24 hours after the onset of ICH. Their ages at the onset ranged from 71 to 93 years with a mean of 81.1 years. The lesion location showed 5 cases with thalamic hemorrhage, 4 cases with putaminal hemorrhage, 6 cases with subcortical hemorrhage, 7 cases with cerebellar hemorrhage, 8 cases with mixed hemorrhage and 1 case with unclassified hemorrhage. 61.3% of all cases showed the onset during daytime but the remaining awoke in the morning with their symptoms or had the onset from the stage of the bedridden state. The classical prodromal symptoms headache and nausea or vomiting were found in 30% and 54.8%, respectively. Two cases with cerebellar hemorrhage were accompanied by vertigo. Twenty-four patients had consciousness disturbance at admission. There were 18 cases with right or left hemiparetic symptoms, 5 cases with tetraparesis, and 5 cases without motor dysfunction. The remaining already had hemiparesis due to old stroke. Patients with mixed hemorrhage usually exhibited conjugate deviation. In 9 of 31 cases there were mental symptoms such as wandering or night delirium. The 30-day mortality rate was 64.5% and sixty-five percent of them died within 6 days after the onset of ICH. Consciousness at admission was the overwhelming predictive factor.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:[Cerebrovascular disease in the elderly--clinical study of 31 cases with acute intracerebral hemorrhages]. 224 24

Paradoxical excitement associated with intravenous conscious-sedation in a patient undergoing dental surgery was successfully reversed with 1.0 mg physostigmine. Physostigmine is felt to have exerted this effect by 2 mechanisms: the re-establishment of homeostasis in the CNS via augmented cholinergic pathways with the net result being thalamacocortical excitation, and cholinergically-mediated increase in cerebral blood flow increasing the rate of redistribution of the intravenous sedative agents used. The most commonly encountered side-effects of physostigmine used to reverse parodoxical excitement, emergence delirium, or prolonged narcosis are bradycardia, nausea, and/or vomiting. The incidence of these side-effects is low in doses, below 2.0 mg/70 kg. body weight.
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PMID:Physostigmine reversal of drug-induced paradoxical excitement. 311 Mar 18

A mixture containing 3 g of boric acid and 300 mg of cinchocaine chloride prescribed due to painful dental protrusion was accidentally ingested by a 12-month-old girl. She developed violent vomiting and coughing. Irritability, tremor, seizures and a delirious reaction. She was treated with diazepam, intubated, sedated and ventilated. Her diuresis was stimulated with furosemide and fluid. Within the first 24 h she was treated with haemodialysis twice on femoral catheters. Her renal function was unaffected. In two days she fully recovered. The maximum measured levels of boric acid and cinchocaine chloride approximately 6 h after ingestion were 26 micrograms/ml and 71 ng/ml respectively. The plasma half-life of boric acid was 7.0 h and decreased to 3.6 and 4.4 h during the two haemodialyses. The total body clearance of boric acid increased correspondingly from 21 ml/min to 41 and 34 ml/min. The in vitro clearance of boric acid of the dialyser was later determined to be 18 ml/min. It is concluded that haemodialysis is valuable in the treatment of boric acid intoxication because it increases the elimination of the drug even in patients without any sign of renal toxicity.
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PMID:Combined boric acid and cinchocaine chloride poisoning in a 12-month-old infant: evaluation of haemodialysis. 337 4


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