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Query: UMLS:C0010200 (cough)
 23,843 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Differences between ventilatory response and metabolic rates of young rainbow trout tested within the sublethal range of pH 6 to pH 9 were observed using a flowing water respirometer. The oxygen consumption was monitored at swimming speeds of 12 cm/sec and 24 cm/sec. The oxygen consumption rates at 24 cm/sec and pH 6 (423 mg/kg-hr) and pH 9 (367 mg/kg-hr) were considerably higher than those determined near neutrality (328 mg/kg-hr). Ventilation rate increased to either side of neutrality, but significantly fewer respiratory reversals, or "coughs," were observed at pH 6 and a greater number at pH 9 than occurred at pH 7 and 8 or in untested fish. The respiratory-cough response is shown to be pH-dependent in rainbow trout and may therefore not be as reliable an indication of pollutant-caused stress in studies where the experimental pH has not been specified or controlled.
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PMID:Ventilation and metabolic rate of young rainbow trout (Salmo gairdneri) exposed to sublethal environmental pH. 0 17

1-(2-Methoxy-2-phenyl)-ethyl-4-(2-hydroxy-3-methoxy-3-phenyl)-propyl-iperazine-dihydrochloride (zipeprol, Respilene) is a substance of non-phenanthrenic chemical structure. In the cat, it antagonised cough induced by stimulation of the superior laryngeal nerve or by direct mechanical excitation of the sensitive tracheo-bronchial receptors. The efficacy of zipeprol after enteral administration made it possible both to establish good intestinal absorption and to rank it favourably in relation to several major antitussive reference products; codeine, codethyline, dextromethorphan, diphenhydramine and pentoxyverine. The activity of zipeprol was superior or equal to that of all these substances, excdept codeine. The antitussive properties appeared to be due to a central action. Other properties have been demonstrated which suggest at least a supplementary mechanism in the inhibition of cough, in addition to the central action. These consisted of slight antihistamine and anticholinergic properties, marked local-anesthetic potency and bronchospasmolytic activity. This latter property was demonstrated by the inhibition of histamine and serotonin induced bronchospasm in the guinea-pig. In vitro, using human sputum, zipeprol had a mucolytic action, shown by a decrease in sputum vis viscosity and lysis of DNA and AMPS fibrils. In the dog, at high doses, zipeprol unlike codeine, did not inhibit central stimulation of respiration by hypercapnia, in addition no modification of ventilatory dynamics or blood gases was seen. On the basis of these results, zipeprol can be considered as possessing no respiratory depressant effect even in the upper ranges of its antitussive doses.
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PMID:General pharmacological properties of a new non-opiate antitussive: zipeprol (3024 CERM). I. Action on respiratory function and acute toxicity. 0 57

Because of the close anatomic and physiologic relationship between the heart and lungs, patients with chronic obstructive lung disease are at special risk of arrhythmias. Effective therapy hinges on identifying the mechanisms of the arrhythmias--hemodynamic, metabolic, or drug-induced. Impulsive use of antiarrhythmic agents may result only in a more complex and dangerous rhythm disorder. Extremes of pH are a major cause of arrhythmias in these patients. Respiratory alkalemia usually originates with inappropriate ventilation, often during mechanical respiration, while metabolic alkalemia generally can be traced to diuretic or bicarbonate therapy. Lidocaine or diphenylhydantoin are of little use, since the alkaline pH inside and outside heart muscle cells hampers drug distribution and activity. At the other extreme, the arrhythmias of acidemia strike patients who have severe respiratory failure with carbon dioxide retention or severe cardiac failure with shock and lactic acidemia. Arrhythmias may develop if vagal restraint is lost, which is especially likely in patients with potassium depletion. Irritant receptors along the bronchopulmonary tree can trigger arrhythmias if stimulated by cough, microembolism, or mechanical irritation, which is a hazard with endotracheal or tracheostomy tubes.
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PMID:Mechanisms of arrhythmias in chronic obstructive lung disease. 1 Feb 30

Resection and anastomosis of the trachea or the tracheal bifurcation, raises numerous problems, which will be discussed in a series of 81 patients: -there is more or less marked ventilatory insufficiency related to the degree of the stenosis, and difficulties of expectoration responsible for retention of sputum; -per-operative ventilation. One must choose between an intubation catheter of small caliber in order to overcome the stenosis, or a large catheter to remain above it. The problem is all the more delicate to solve when the stenosis is tighter and higher; -during the period when the trachea is open, the surgeon must intubate the central part of the trachea with a sterile catheter. If the division is low, it is necessary to intubate the main bronchi or one only, and then create a marked shunt effect which would be ill-supported by the patient; -It is advisable to remove the catheter at the end of the operation. Awakening should be perfect in order to cough to be immediately efficacious in a patient who often has to remain with his head flexed forwards.
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PMID:[Anesthesia for resections-anastomoses of the trachea and the tracheal bifurcation]. 1 19

Periduralaneaesthesia by the cervical route (C6-C7 or C7-D1) or by the upper lumbar route with an ascending catheter, permit thoracic surgery in all its applications. The reduction in operative bleeding is an appreciable advantage of the method, and automatic nervous stability is remarkable. On the other hand, keeping the patient in the waking state is a definite disadvantage, especially in removal of one lung. As far as the anaesthetist is concerned he will be faced with difficulties of ventilation and bronchial aspiration. On the other hand, combined with slight general anaesthesia and tracheal intubation, peridural anaesthesia is definitely of interest. Furthermore, during the post-operative period, it is precious permitting a cough without pain and, in this respect, the comparison with anaesthesia of the inter-costal nerves, is worth discussins, each technique having special advantages.
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PMID:[Role of peridural anesthesia in thoracic surgery]. 1 23

In 80 patients with Pneumocystis pneumonitis, the intial signs and symptoms of infection were usually fever and cough, followed by tachypnea and coryza. Flaring of the nasal alae and cyanosis occurred later. Blood gas composition was markedly altered in its acid-base profile in most patients at admission. There was moderate to severe respiratory alkalosis and hypoxia. Clinical manifestations were correlated with the extent of histopathologic changes in the lung. (Deprivation of protein in the diet of rats provoked P. carinii infection.) P. carinii infection was found in children with kwashiorkor; evidence of protein-calorie malnutrition is closely associated with P. carinii pneumonitis in children wiht cancer and other primary diseases. P. carinii pneumonitis proved unique in that the causative organisms remained limited to the lungs even in fatal cases. No toxins have been identified, and systemic effects of the infection were only those that could be related to hypoxia and fever.
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PMID:Signs, symptoms, and pathophysiology of Pneumocystis carinii pneumonitis. 1 4

An up-to-eight-hour lasting anterograde amnesia is achieved by "Rohypnol" i.v. causing no excitation before local anesthesia is given (prolongation by analgetics, anesthetics, neuroleptics). The cardiovascular functions remain stable with spontaneous breathing and preservation of the swallow and coughing reflexes. During the operation the patient is responsive and cooperative. The patient answers all questions, moves his body into any wanted position and when ordered he performs Valsalva's manoeuver without any remembrane. If not spoken to and having no pain he falls asleep right away. Postoperative vomiting is reduced. The patient feels relaxed after waking up. No complications have been noticed during more than 500 operations. The later questioning of all patients showed only 4 patients (with unsufficient preoperative sedation) who could remember part of the terminal phase of the operation.
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PMID:[Prolongated amnesia after "rohypnol" i.v. before local anesthesia and responsiveness during operation (author's transl)]. 1 38

Cases of otitis media in infants under 12 weeks of age were reviewed to delineate the frequency, clinical features, and etiologic agents involved. Tympanocentesis was performed in 42 infants, 0 to 5 weeks of age, and in 17, from 6 to 11 weeks of age. The most common symptoms were irritability/lethargy (69%), fever (52%), cough (36%), vomiting (21%), diarrhea (20%), tachypnea (20%), and anorexia (18%). Associated illnesses were present in 33 (54%) of the patients, the most common being pneumonia (9), bronchiolitis (7), meningitis (6), conjunctivitis (4), and omphalitis (4). No peripartum infections or severe perinatal problems were found. Common respiratory pathogens were the predominant etiologic organisms, but coliform organisms were identified in 18% of the infants under 6 weeks of age. Cultures were sterile or grew organisms of questionable pathogenicity ("nonpathogens") in 39% of specimens. Since the signs and symptoms of otitis media in children less than 12 weeks of age are nonspecific and frequently associated with other major illnesses, the physician caring for these infants needs to be more aware of this disease and the therapeutic problems it presents.
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PMID:Otitis media in children less than 12 weeks of age. 1 93

Asthma bronchiale is one of the most common chronic diseases in childhood. The hyperreactivity of the bronchial system, the stimulation of the cholinergic receptors and the blockade of the beta-adrenergic receptors in the bronchial mucosa play a predominant role in the pathogenesis. These proceedings cause bronchial smooth muscle contraction in the larger airways and mucosal edema and mucus hypersecretion in the smaller airways. The diagnosis may be made on the basis of the recurring signs: cough, wheezing, and labored breathing with prolonged expiration. Asthma may be treated by therapy directed at its cause and if necessary by bronchodilators, mucolytic agents and corticosteroids.
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PMID:[Special problems of asthma bronchiale in childhood (author's transl)]. 2 May 71

The effect of the drug Ru 20201 (1,2,3,4,4a,9b-hexahydro,-8,9b-dimethyl-4-[3-(4-methylpiperazin-1-yl)propionamido]dibenzofuran-3-one upon mechanically-evoked cough from the laryngopharyngeal and tracheobronchial areas in nine unanaesthetized cats has been examined. Inhalation of 2 ml of an aerosol of a 10% solution in water suppressed coughing for 30 min. The effect was greatest on the number of cough efforts. The expiratory component of cough was suppressed more than was the inspiratory one. The effect was greater on cough from the laryngopharyngeal than from the tracheobronchial area.
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PMID:The antitussive actions of the drug Ru 20201 given as an aerosol to cats. 2 95


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