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

The preventive effect of lidocaine against coughing in the recovery period after general anaesthesia was observed. The study was carried out as a double-blind sequential trial. At the same time the incidence of laryngospasm was registered. Lidocaine or placebo was given intravenously just before extubation. Nineteen patients for tonsillectomy, all of them over the age of 15, randomly received a 2% solution of lidocaine 2 mg/kg body weight or placebo (saline) 2 min prior to expected extubation. We found that lidocaine in this dose given prophylactically just before extubation was able to inhibit and prevent coughing in the recovery period after general anaesthesia. None of the patients included in this study got laryngospasm, and none of the patients developed serious side-effects.
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PMID:Lidocaine given intravenously as a suppressant of cough and laryngospasm in connection with extubation after tonsillectomy. 683 43

Etomidate has been studied in two groups of patients. In Group 1, 50 patients received etomidate 100 micrograms/kg/minute with fentanyl and a muscle relaxant, ventilation being with air and oxygen (50%). The technique gave a smooth, pleasant induction with all patients asleep within 2 minutes. The incidence of pain on infusion was 6% and of myoclonus 6%. Cardiovascular changes were minimal, the most common finding being persistent tachycardia. The mean recovery time was 9.1 minutes. There was no incidence of awareness, recall, or thrombophlebitis, but a 20% incidence of nausea and vomiting. In Group 2, 20 patients received the same dosage of etomidate to supplement spinal anaesthesia for lower abdominal surgery. The technique worked most satisfactorily, with patients falling quietly to sleep within 2-3 minutes with no hiccoughs, coughing or laryngospasm. Six patients exhibited myoclonus, one being severe. In no case did myoclonus interfere with the operation. The cardiovascular system remained stable in all patients. Mean recovery time was 16.1 minutes (range 3-38 minutes). Twitching and restlessness were the main complications during recovery.
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PMID:Etomidate infusion. Its use in anaesthesia for general surgery. 686 59

The use of di-isopropyl phenol (Diprivan) for induction of anaesthesia was assessed in doses ranging from 1 to 3 mg kg-1. With less than 1.75mg kg-1 not all patients were anaesthetized; 2.0 mg kg-1 appeared to be a satisfactory induction dose. Involuntary muscle movement, cough and hiccup at induction were rare with any dose studied. However, the frequency of hypotension and respiratory depression were related to the dose given. Pain on injection was uncommon when the drug was given into an antecubital vein, but occurred in 39% of patients when injected to the back of the hand or wrist. Recovery was rapid, and characterized by lack of emetic sequelae. Di-isopropyl phenol 1.5 - 2.0 mg kg-1 given rapidly during reactive hyperaemia can produce anaesthesia in one arm-brain circulation time. A reaction involving flush, hypotension, cough, laryngospasm and bronchospasm occurred in one patient receiving 2.5 mg kg-1 given over 20 s.
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PMID:Use of di-isopropyl phenol as main agent for short procedures. 697 90

Three different anesthetic techniques were compared in 146 healthy outpatients undergoing ambulatory surgery. In Groups I and II, anesthesia was induced with propofol (1.5-2.0 mg/kg, intravenously [iv]) and maintained with nitrous oxide (N2O) 60% in oxygen and either a propofol infusion, 75-160 micrograms.kg-1.min-1 IV, or sevoflurane, 1%-2% end-tidal, respectively. In Group III, anesthesia was induced and maintained with sevoflurane, 1%-4% end-tidal and N2O 60% in oxygen. In addition to 60% N2O in oxygen at a total gas flow of 3 L/min, all patients received fentanyl, 2-3 micrograms/kg IV, and vecuronium, 0.1 mg/kg IV. IV induction of anesthesia with propofol (90 +/- 53 s and 94 +/- 48 s in Groups I and II, respectively) was significantly faster than inhalation induction with sevoflurane (153 +/- 100 s). There were no significant differences in the incidence of coughing, airway irritation, or laryngospasm during induction of anesthesia. Although the mean arterial blood pressure values were similar in all three groups, the use of sevoflurane was associated with consistently lower heart rate values during the early maintenance period. Early and intermediate recovery times were the same in all three treatment groups. The use of sevoflurane for induction and/or maintenance of anesthesia was associated with a higher incidence of postoperative emetic sequelae compared with propofol. Finally, the times at which patients were considered "fit for discharge" and the actual discharge times were similar in all three groups. Sevoflurane is an acceptable alternative to propofol for induction and maintenance of outpatient anesthesia.
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PMID:Sevoflurane for outpatient anesthesia: a comparison with propofol. 757 17

This study was designed to assess the effect of nebulized lignocaine or saline given before induction on the quality of induction of anaesthesia with desflurane in unpremedicated, young, adult males. Of the first six patients, five developed laryngospasm, breath-holding, coughing and increased secretions. In four patients oxygen saturation decreased to 92% or less. Significant tachycardia and hypertension occurred in four patients, and bradyarrhythmia after induction occurred in three patients. Hiccups and bronchospasm occurred in one patient. Because of the unacceptably high incidence of complications, the study was discontinued. The incidence and severity of complications were not decreased by administration of nebulized lignocaine and were higher than those reported by other workers. We conclude that in unpremedicated, young, adult males, induction of anaesthesia with desflurane and nitrous oxide in oxygen was associated with a high incidence of respiratory irritant effects, tachycardia, hypertension and post-induction bradyarrhythmia. We also found that lignocaine, as used in this study, did not appear to obtund the cardiovascular and respiratory complications during inhalation induction using desflurane.
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PMID:Effect of nebulized lignocaine on airway irritation and haemodynamic changes during induction of anaesthesia with desflurane. 865 38

A previous investigation using nitrous oxide with 5% enflurane (3.8 MAC) for single breath induction produced a stage of excitement which may be related to the difference in blood/gas coefficient solubility of these agents. The closer blood/gas solubility coefficient of sevoflurane and nitrous oxide may eliminate this phenomenon. We therefore evaluated 40 volunteers in a randomized study using 7.5% sevoflurane (3.7 MAC) in oxygen (n = 21) or sevoflurane with nitrous oxide (n = 19) using a single breath induction technique. Sevoflurane in nitrous oxide and oxygen reduced induction time by 15% compared to sevoflurane in oxygen alone (41 +/- 16 and 48 +/- 16 sec (s.d.), respectively). This was, however, not statistically significant. There were scarcely induction-related complications, such as coughing, laryngospasm, breath-holding, movements of a limb and excessive salivation, in either group. Thus, the addition of nitrous oxide neither increased the number of complications, nor the speed of induction.
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PMID:Comparison of induction time and characteristics between sevoflurane and sevoflurane/nitrous oxide. 779 16

Sevoflurane allows a moderately rapid induction with only slight problems of induction. However, it has not been possible to conduct tests with more than 2.6 minimum alveolar concentration (MAC) of sevoflurane (4.5%) because of the limitations in the performance of the currently available vaporizer. We tested the performance of a new vaporizer and tried it with single breath induction. The new vaporizer could deliver a 4.3 MAC (7.5%) sevoflurane through oxygen of 8 liter/min. Twenty-one unpremedicated volunteers breathed 7.5% sevoflurane in oxygen. The mean time for induction of anesthesia was 48 +/- 16 seconds, reflecting its high concentration and low blood/gas solubility. Although coughing was observed in two subjects, laryngospasm, breath holding, and secretions did not occur during induction by this method. All subjects except one would be willing to undergo similar induction again. This study demonstrate that the new vaporizer can be used to administer 7.5% concentration of sevoflurane and to adequately perform smooth and rapid inhalation induction of anesthesia in young volunteers without premedication.
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PMID:Rapid inhalation induction with high concentration of sevoflurane using a new vaporizer. 792 78

Desflurane is a new fluorinated ether with rapid onset of and recovery from anaesthesia. Recovery characteristics are comparable with or faster than after propofol infusion or isoflurane anaesthesia. The minimum alveolar concentration (MAC) varies with age from 9.4% (infants) to 6% (adults), and is reduced by opioids and sedative premedication. Desflurane is highly stable. It is stable with soda-lime, and is minimally metabolised. Inhalational induction is associated with a high incidence of coughing and laryngospasm, especially in children. During anaesthesia, blood pressure is reduced, but cardiac output and organ perfusion is well maintained. Desflurane is a respiratory depressant, and enhances the action of neuromuscular blocking agents. Cerebrovascular autoregulation appears to be preserved, but intracranial pressure may still rise during desflurane anaesthesia. Delivery of vapour is using a new electrically heated vaporizer, the Tec 6, with internal monitoring circuitry and new safety features.
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PMID:New drug in volatile anaesthesia--desflurane. 797 26

In 1943, Olson described a method for administration of thiopental for anesthesia during oral surgical procedures (J Oral Surg 1:197, 1943). Patients were instructed not to eat for 4 hours before the scheduled surgery and to bring an escort. Premedication with atropine or morphine was not routinely used. Following venipuncture, a 2- to 3-mL test dose of thiopental (Pentothal, Abbott Laboratories, North Chicago, IL) was injected. After a pause of 15 to 20 seconds, 6 mL was injected slowly over 40 to 50 seconds. Additional medication was titrated slowly in intermittent doses to maintain an adequate level of anesthesia. The mouth was packed and kept meticulously dry to prevent coughing or laryngospasm. The patient's color and respiration were continually observed and the airway maintained. Initially, a 5% solution was used by Olson; later it was changed to 2%. Use of this concentration made it easier to titrate to "upper levels" of anesthesia because profound depth was not required. Also, adverse effects (eg, coughing, laryngospasm) occurred less frequently, and there was less venous irritation with the 2% solution. Based on his experience of 8,203 cases, Olson claimed that most patients tolerated the anesthetic well, but he recommended avoiding this technique for children younger than 12 years of age.
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PMID:The use of intravenous anesthesia and sedation techniques in oral and maxillofacial surgery. 809 20

Use of the laryngeal mask airway (LMA) permits the maintenance of a patent airway with successful insertion rates of the LMA on the first attempt varying between 67%-92% in children. The recommended insertion technique involves deflation of the mask using a syringe, and application of a lubricant jelly. In a randomized study of 122 children, we compared the time to complete LMA insertion, the number of attempts before successful placement, and the occurrence of laryngospasm and Spo2 < 90% during insertion using the standard deflated method and an alternative method of insertion with the LMA cuff partially inflated. Independently, the children were randomly assigned to have K-Y sterile lubricating jelly or 2% lidocaine topical solution applied to the back of the mask. The occurrence of coughing, laryngospasm, and vomiting during emergence were recorded. Insertion of the LMA partially inflated required significantly less time (16 vs 23 s, P < 0.05), and was associated with a higher success rate on first attempts (85.5% vs 96.7%, P < 0.05). In those who did not receive morphine, 2% lidocaine topical solution decreased the incidence of coughing on emergence (10.3% vs 36.4%). The ease of insertion of the LMA in children was improved by partial inflation of the cuff and in addition, 2% lidocaine topical solution was as beneficial as morphine in reducing coughing on emergence.
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PMID:The laryngeal mask airway in pediatric patients: factors affecting ease of use during insertion and emergence. 813 83


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