Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0011570 (depression)
 172,036 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

St Christophers' Hospice near London is now internationally known as a special centre for the care of terminally ill patients. In these cases, the relief of symptoms is paramount, and prominent among those symptoms is pain. Such pain can almost always be relieved without euphoria or lessening of consciousness. More than 60% of patients admitted to St Christopher's complain of pain, and the scheme of management outlined below results in substantial or complete relief of pain in all of them. Addiction does not occur when control of the patient's pain is part of the pattern of total care. The author considers management of pain of varying severity, together with associated symptoms such as vomiting, anorexia, dry mouth and hiccup, dyspnoea, cough, anxiety and depression, insomnia, constipation and diarrhoea.
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PMID:Drug control of common symptoms in the terminally ill patient. 6 49

Studies with azidomorphine derivatives have revealed that some of them, particularly N-cyclopropylmethylnorazidomorphine (CAM), stimulate some opiate receptors, while inhibit the others. The opiate receptors stimulated by CAM are called opiate A receptors, while those antagonized by CAM are called opiate B receptors. Opiate receptors are located at nerve terminals and upon stimulation decrease the release of a neurotransmitter. Opiate A receptors are most probably located at cholinergic nerve terminals, are present in the guinea pig ileum, mouse vas deferens and in the brain. Their stimulation leads to constipation and mental clouding. Opiate B receptors located on adrenergic nerve terminals are present in the cat nictitating membrane and in the brain. Their stimulation produces analgesia, depression of coughing and respiration, catalepsy, and mental clouding.
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PMID:Two kinds of opiate receptor. 19 68

The effect of intravenous lidocaine in the treatment of persistent cough occurring after diagnostic bronchoscopies performed under general anaesthesia was investigated in a controlled clinical trial. The study comprised 28 adults patients, all of whom had regained consciousness after anaesthesia. Fifteen patients were treated with lidocaine (1.05 mg/kg body weight) and 13 patients with placebo (saline). In each patient the intravenously injected dose was repeated once after 5 min. In 11 of the 15 patients (73%) who received lidocaine coughing ceased, while it continued in all 13 patients in the placebo group. The difference is highly significant (P less than 0.001). None of the patients developed side effects such as hypotension, arrhythmias, central nervous system symptoms or respiratory depression after injection of lidocaine. It is therefore concluded that intravenous lidocaine in man is a safe and useful cough-suppressant.
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PMID:Intravenous lidocaine as a suppressant of persistent cough caused by bronchoscopy. 35 7

Hyperviscosity syndrome was associated with increased plasma content of monoclonal immunoglobulin (IgA or IgM) in 3 dogs with lymphocytic leukemia. The diagnosis of lymphocytic leukemia was based on the finding of a large number of mature lymphocytes in the blood and bone marrow. The clinical signs included weakness, lethargy, depression, and coughing due to congestive heart failure. Consistent physical findings were splenomegaly, with or without peripheral lymphadenopathy, and funduscopic abnormalities. Of the 2 dogs treated successfully with chlorambucil, 1 remains in remission after withdrawal of the drug for over 1 year.
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PMID:Hyperviscosity syndrome associated with lymphocytic leukemia in three dogs. 40 53

1. The general pharmacology of buprenorphine, a potent analgesic agent derived from oripavine, is described. 2. After cute administration of buprenorphine, the spontaneous locomotor activity of mice was increased; rats displayed stereotyped licking and biting movements; behavioural depression was marked in guinea-pigs but mild in rhesus monkeys. The behaviour of cats was unchanged. 3. In general, buprenorphine reduced heart rate but had no significant effect on arterial blood pressure in conscious rats and dogs. 4. In anaesthetized, open-chest cats buprenorphine (0.10 and 1.0 mg/kg, i.v.) caused no major haemodynamic changes. 5. Buprenorphine (0.01-10 mg/kg i.a.) and morphine (0.30-30 mg/kg, i.a.) increased arterial PCO2 values and reduced PO2 values in conscious rats. With doses of buprenorphine greater than 0.10 mg/kg (a) the duration of respiratory depression became less, (b) ceiling effects occurred such that the maximum effects produced were less than those obtained with morphine. 6. Buprenorphine was a potent and long-lasting antagonist of citric acid-induced coughing in guinea-pigs. 7. At a dose level 20 times greater than the ED50 for antinociception (tail pressure), morphine suppressed urine output to a greater extent than the corresponding dose of buprenorphine in rats. 8. Over the range 0.01-1.0 mg/kg (s.c.), buprenorphine slowed the passage of a charcoal meal along the gastrointestinal tract in rats. After doses in excess of 1 mg/kg, the meal travelled increasingly further such that the distances measured at 10 and 30 mg/kg did not differ significantly from control values. In contrast, the morphine dose-response relationship was linear.
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PMID:The animal pharmacology of buprenorphine, an oripavine analgesic agent. 40 49

Classical symptoms and signs common to most pulmonary diseases, such as dyspnea, cough, chest pain and cyanosis, are reviewed to assess their significance for diagnosis and evaluation of the degree of impairment in acute respiratory failure. While frequently useful for diagnosis, they are often inadequate to determine the degree of emergency. In each particular etiology other information is needed to obtain an objective and quantitative assessment. Two examples selected for their frequency are considered: barbiturate intoxication and severe exacerbations of asthma. The severity of barbiturate poisoning can be assessed clinically in the light of the degree of central nervous depression. Classical signs and wheezing are poorly correlated with the intensity of acute asthmatic attacks, but high-risk patients can be identified by seeking neglected physical findings such as pulsus paradoxus and sternomastoid muscle contraction. In many other pulmonary emergencies further studies are required to assess the usefulness of various clinical signs as objective indices of the severity of respiratory impairment.
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PMID:[Various aspects of respiratory emergencies in non-hospital practice]. 53 46

Newly synthesized 1-(2',5'-dimethoxyphenyl)-1-n-butyl-3-diethylaminobutanol (compd. 4) and its analogs enhanced the antitussive effect of codeine and morphine as tested on the cough induced by mechanical stimulation of the trachea in guinea pigs. This effect was illustrated to be a potentiation on the Gaddum's diagram. The following parameters were affected little or to a small extent: 1. analgesic effect of codeine and morphine in guinea pigs and mice, 2. duration of anesthesia induced by hexobarbital in mice, 3. respiratory depression caused by codeine in guinea pigs, and 4. LD50 of codeine in guinea pigs and mice. Explorations of the mechanism of potentiating action suggested some peripheral mechanism, but the exact one remained to be elucidated.
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PMID:Potentiation of antitussive effect of codeine by some 1-dimethoxyphenyl-3-alkylaminobutanols in guinea pigs. 57 70

Examined was material taken from five sheep (ewes) and two weaned lambs having naturally contracted Qu rickettsiosis. Described are the clinical symptoms of the disease and the morphologic changes. The diseased animals showed rise in temperature (39.5--40.5 degrees C), loss of appetite, and depression. Some of the weaned lambs manifested slight cough and digestive troubles. Part of the animals showed nervous symptoms--tic movements of the head and limbs. Morphologically, the liver was edematired, of lower compactness, and the spleen was enlarged, the meninges being hyperemic and peppered with pinpointed hemorrhages. Histologically, a strong diffuse activation and proliferation of the liver capillary endothelium was established along with necrobiosis of the liver epithelial cells and a diffuse leukocyte infiltration. Established was also hyperplasia of the reticular cells and the lymph follicles of the spleen and the bronchial lymph nodes. The epithelial cells of the kidney tubules were involved in vacuolar dystrophy, and in the medular section there were fibroblastic proliferations with hyperemia. Inflammatory changes in the brain were also found.
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PMID:[Histopathology of Q rickettsiosis in sheep]. 60 54

The mechanical and hemodynamic components of a cardiogenic hypertensive chemoreflex were studied in 50 dogs. Within 6 seconds after a single injection of serotonin (100 microgram/ml) into the left atrium, mean pressure (mm Hg) rose in the aorta from 103 to 197 and in the pulmonary artery from 21 to 34. Left ventricular dp/dt virtually doubled. There was an increase (75%) in peripheral vascular resistance that returned to control within 10 seconds. There was no significant change in pulmonary vascular resistance. Aortic and pulmonary arterial hypertension were associated with a profound depression (82%) in atrial force. Atropine transformed this negative inotropic effect on the atria into a positive inotropic action that averaged 65%. In contrast, ventricular force was always sharply increased, more in the right (95%) than in the left ventricle (50%). Bilateral stellectomy did not eliminate the reflex but it completely abolished the initial increase of cardiac contractility; a delayed increase in contractility persisted and was due exclusively to release of catecholamines from the adrenal glands. This cardiogenic hypertensive chemoreflex uses the vagus for its afferent neural traffic and both the sympathetic and the vagus nerves for its efferent route. The brief and intense systemic vasoconstriction concomitant with an increase in cardiac contractility might represent a kind of "aortic cough." Some possible clinical implications are discussed.
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PMID:Hemodynamic components of a cardiogenic hypertensive chemoreflex in dogs. 61 94

An 18-month-old infant required six hospital admissions in a period of six months for episodes consisting of coughing, respiratory depression, hematemesis, coma, dehydration, and lesions about the mouth. A negative history of ingestion of toxins was repeatedly obtained from the family and two home inspection by the local Health Department failed to identify potential toxins. Metabolic work-up was entirely negative. Utilizing methods of GC-MS, metabolites of a-terpineol were isolated from infant urine on two admissions to the hospital. These metabolites were confirmed by mass spectrometry to be the same metabolites excreted by Sprague-Dawley rats injected with a-terpineol or pine oil. The child had no additional episodes after physical separation from the home environment.
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PMID:An investigation of recurrent pine oil poisoning in an infant by the use of gas chromatographic-mass spectrometric methods. 115 33


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