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

The effects of fentanyl (1 microgram/kg) supplementing an alfathesin infusion technique were assessed in a double blind study in 53 healthy unpremedicated female patients undergoing therapeutic abortion as outpatients. The addition of fentanyl reduced the tachycardia, tachypnoea and hyperventilation seen in those patients receiving alfathesin alone, without unduly prolonging recovery time. Two patients receiving alfathesin alone developed marked coughing or laryngospasm. Fentanyl would seem to be a desirable addition to an alfathesin infusion technique in unpremedicated patients presenting for outpatient anaesthesia.
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PMID:The influence of fentanyl on an alfathesin infusion technique. 66 76

Enflurane was compared with halothane for anaesthesia for short surgical procedures in paediatric out-patients. Induction of anaesthesia was more prolonged with enflurane and recovery times were similar with both agents. Coughing and laryngospasm during induction occurred more frequently with enflurane. The incidence of post-operative complications was essentially similar in both groups, but there was no evidence that the use of enflurane was followed by rapid recovery at home. Enflurane has no advantages over halothane in anaesthesia for short procedures for paediatric out-patients.
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PMID:A trial of enflurane for paediatric out-patient anaesthesia. 90 98

Four cases of respiratory distress and apnea associated with an elongated uvula are presented. In all cases, the uvula was found to intermittently fall onto the epiglottis and vocal cords. In all four patients, resection of the uvula led to resolution of all airway symptoms. It is hypothesized that the uvula, touching the vocal cords, caused intermittent laryngospasm and subsequent symptoms of cough, airway obstruction, and cyanosis. The anatomic reasons for such phenomenon are discussed.
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PMID:Apnea and the elongated uvula. 142 98

A major advantage of desflurane over currently available agents is that the blood-gas partition coefficient of desflurane is 0.42, lower than all available volatile anesthetics, and slightly lower than nitrous oxide. This property predicts rapid induction of and recovery from general anesthesia with desflurane. This review will summarize and compare results of studies that have examined various clinical characteristics of induction and emergence with desflurane in a variety of patient populations. Studies in pediatric patients, and in adults, have confirmed that inhalation induction with desflurane is rapid. However, there has been a high incidence of airway irritation and/or reactivity, including breath holding, coughing, excessive secretions, and laryngospasm. This incidence is significantly higher than that seen with halothane, making it unlikely that desflurane will supplant halothane for inhalation inductions. The hemodynamic effects of desflurane induction and maintenance with or without intravenous adjuvants appear similar to those seen with isoflurane. Several studies have compared emergence from anesthesia with desflurane with that from isoflurane-based anesthetics, and have demonstrated that initial emergence from a given depth of anesthesia, e.g., time to eye opening or response to verbal commands, is about twice as fast with desflurane. Similar results have been obtained in pediatric patients where emergence from desflurane is faster than that seen from halothane. Emergence from desflurane anesthesia appears similar in time-course to that from propofol-based anesthetics.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:An overview of induction and emergence characteristics of desflurane in pediatric, adult, and geriatric patients. 152 39

To determine the induction and maintenance characteristics of desflurane in pediatric patients, the authors anesthetized 206 infants and children aged 1 month to 12 yr with nitrous oxide plus desflurane and/or halothane in oxygen. Patients were assigned to one of four groups: anesthesia was 1) induced and maintained with desflurane after premedication with an oral combination of meperidine, diazepam, and atropine; 2) induced and maintained with desflurane; 3) induced with halothane and maintained with desflurane; or 4) induced and maintained with halothane. An unblinded observer recorded time to loss of consciousness (lid reflex), time to intubation, and clinical characteristics of the induction and maintenance of anesthesia. Moderate-to-severe laryngospasm (49%) and moderate-to-severe coughing (58%) occurred frequently during induction of anesthesia with desflurane; the incidence of these was not altered by premedication. In contrast, laryngospasm and coughing were rare during induction of anesthesia with halothane. In unpremedicated patients, time to loss of lid reflex (mean +/- SD) was similar for desflurane (2.4 +/- 1.2 min) and halothane (2.1 +/- 0.8 min). During induction of anesthesia, before laryngoscopy and intubation, mean arterial pressure less than 80% of baseline was more common with halothane; heart rate and mean arterial pressure greater than 120% of baseline were more common with desflurane. Intraoperatively, heart rate greater than 120% of baseline was more common with desflurane; blood pressures were similar for the two anesthetics. The authors conclude that the high incidence of airway complications during induction of anesthesia with desflurane limits its utility for inhalation induction in pediatric patients. Anesthesia can be safely maintained with desflurane if induced with a different anesthetic.
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PMID:Induction and maintenance characteristics of anesthesia with desflurane and nitrous oxide in infants and children. 153 48

Induction of, maintenance of, and recovery from sevoflurane anesthesia were compared with propofol and isoflurane anesthesia when administered with nitrous oxide to patients undergoing gynecologic surgery. Seventy-five healthy (ASA I or II), consenting patients were randomly assigned to receive either (I) propofol for induction of anesthesia and isoflurane-nitrous oxide for maintenance (control), (II) propofol for induction and sevoflurane-nitrous oxide for maintenance, or (III) sevoflurane-nitrous oxide for induction and maintenance of anesthesia. Inhaled induction of anesthesia with sevoflurane-nitrous oxide was rapid (109 +/- 25 s to loss of consciousness) and without any untoward hemodynamic changes or episodes of coughing and laryngospasm. Mean arterial blood pressure after induction of anesthesia with propofol (71 +/- 11, 73 +/- 12 mm Hg for groups I and II, respectively) was lower than when sevoflurane (80 +/- 14 mm Hg) was used. The emergence time after discontinuation of isoflurane-nitrous oxide (6.7 +/- 2.2 min) was significantly longer than after propofol-sevoflurane-nitrous oxide or sevoflurane-nitrous oxide alone (4.1 +/- 2.2 and 4.0 +/- 2.0 min for groups II and III, respectively). However, later recovery events did not differ between groups. Serum fluoride levels increased after administration of sevoflurane but not isoflurane. The levels of fluoride ions correlated with the degree of exposure to sevoflurane in MAC-hours. In conclusion, induction of anesthesia with either propofol or sevoflurane-nitrous oxide was rapid and without significant side effects. Emergence and early recovery after maintenance of anesthesia with sevoflurane-nitrous oxide was significantly faster than that after an isoflurane-nitrous oxide combination.
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PMID:Comparison of induction, maintenance, and recovery characteristics of sevoflurane-N2O and propofol-sevoflurane-N2O with propofol-isoflurane-N2O anesthesia. 173 47

To determine the induction and recovery characteristics of the new poly-fluorinated anaesthetic desflurane, 78 fasting and unpremedicated neonates, infants and children up to 12 yr of age were studied. Patients were stratified according to age: full-term neonates less than 28 days of age (n = 12), infants 1-6 mth (n = 12) infants 6-12 mth (n = 15), children 1-3 yr (n = 15), 3-5 yr (n = 12), and 5-12 yr (n = 12). After preoxygenation for two minutes and an awake tracheal intubation, neonates were anaesthetized with stepwise increases in the inspired concentration of desflurane in an air/oxygen mixture. Infants 1-12 mth of age and children were anaesthetized with stepwise increases in the inspired concentration of desflurane in oxygen. Their tracheas were intubated under deep desflurane anaesthesia without muscle relaxation. The incidence of airway reflex responses (including breathholding, coughing, laryngospasm, bronchospasm and oropharyngeal secretions), incidence of excitement, minimum arterial oxygen saturation, and times to loss of eyelash reflex and tracheal intubation during induction were recorded. After skin incision, anaesthesia was maintained with desflurane (approximately 1 MAC) in 60% nitrous oxide and oxygen. Heart rate and systolic arterial pressure were recorded awake, at approximately 1 MAC before and after skin incision and throughout surgery. At the completion of surgery, all anaesthetics were discontinued and the lungs were ventilated with 100% oxygen. During emergence, the end-tidal concentration of desflurane was recorded until extubation. The incidence of airway reflex responses and the times to eye opening and extubation after the discontinuation of desflurane were recorded.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Induction, maintenance and recovery characteristics of desflurane in infants and children. 173 34

We compared the differences in oxygen saturation and airway-related complications after tracheal extubation in pediatric patients undergoing elective strabismus surgery or adenoidectomy and/or tonsillectomy who were awake versus anesthetized. Seventy otherwise healthy patients between 2 and 8 yr of age were studied. Anesthesia was induced with halothane or thiamylal and maintained with nitrous oxide and halothane. After induction of anesthesia, the patients were randomly assigned to group 1 (awake extubation) or group 2 (anesthetized extubation). Oxygen saturation was measured continuously and recorded 10 min before extubation and at 1, 2, 3, 5, 7, 10, 15, 20, 25, and 30 min after tracheal extubation. Supplemental oxygen was administered when oxygen saturation values were less than 90% while breathing room air. Oxygen saturation levels were higher in group 2 than in group 1 at 1, 2, 3, and 5 min after extubation. There were no differences between the two groups in the number of patients requiring supplemental oxygen. The incidence of airway-related complications such as laryngospasm, croup, sore throat, excessive coughing, and arrhythmias was not different between the two groups. We conclude that the anesthesiologist's preference or surgical requirements may dictate the choice of extubation technique in otherwise healthy children undergoing elective surgery.
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PMID:Emergence airway complications in children: a comparison of tracheal extubation in awake and deeply anesthetized patients. 186 18

Twenty-four consecutive patients scheduled for fiberbronchoscopy were randomized to receive double-blind either intravenous (1.5 mg/kg) or laryngotracheal (3 mg/kg) lidocaine to evaluate the influence on post-bronchoscopic laryngospasm, pain in the throat and coughing. Plasma lidocaine concentrations were analyzed 5, 15, 30 and 60 min after administration. None of the patients demonstrated laryngospasm or pain in the throat during the first hour after bronchoscopy. Patients receiving topical lidocaine coughed significantly more than patients receiving intravenous lidocaine, with a median number of coughs of 20 compared to 4, during the first hour (P less than 0.01). The plasma lidocaine concentrations were significantly higher after intravenous than after topical administration (P less than 0.001). After intravenous administration the plasma lidocaine concentrations exceeded the accepted level for potential toxicity in five out of 11 patients, but none of the patients developed toxic symptoms and no side-effects were observed.
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PMID:Comparison of intravenous and topical lidocaine as a suppressant of coughing after bronchoscopy during general anesthesia. 203 31

Ninety unpremedicated patients undergoing mask anaesthesia were assigned to one of three groups according to the volatile anaesthetic and the acute intravenous premedication administered. Group I received saline placebo as premedication and halothane by inhalation. Group II received saline placebo and isoflurane by inhalation. Group III received nalbuphine 0.1 mg.kg-1 IV as premedication and isoflurance by inhalation. Mean time to loss of consciousness (71 sec) did not differ among groups. The dosage of thiopentone required to induce loss of consciousness was decreased by 15 per cent (from 3.9 to 3.3 mg.kg-1) by nalbuphine premedication (P less than 0.05), and time to induction of surgical anaesthesia using isoflurane was decreased by 15 per cent (P less than 0.05). The incidence of reflex actions (coughing, laryngospasm, breath holding, hiccoughs and movement) during induction was no different in the saline-premedicated halothane or isoflurane groups. Acute intravenous nalbuphine premedication decreased significantly the incidence of reflex actions during induction of isoflurane anaesthesia from 77 per cent to 37 per cent (P less than 0.02). Desaturation episodes (SaO2 less than 90 per cent) were more frequent with isoflurane inductions compared with halothane (55 per cent vs 17 per cent, P less than 0.01). Apnoeic episodes accounted for the majority of desaturations associated with nalbuphine premedication, while excitatory reflexes (coughing and laryngospasm) accounted for more desaturations with isoflurane alone.
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PMID:Induction reflex actions with intravenous nalbuphine as an adjunct to isoflurane. 266 79


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