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 23,843 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Two anaesthetic procedures that did not include nitrous oxide were compared in a randomised study of 50 patients for tympanoplasty and tympanoscopy: propofol given for induction and maintenance, and thiopentone-isoflurane given for induction and maintenance, respectively. Induction in the first group was with a bolus injection of propofol and the same agent was given for the duration of anaesthesia by continuous intravenous administration. Thiopentone was given until loss of the eyelash reflex and anaesthesia maintained with isoflurane 0.4-2.0%. Analgesia was achieved in both groups by fentanyl given intravenously and by local injection of mepivacaine with ornipressin. The two patient groups were analysed for age, sex and weight as well as for side effects during the induction, maintenance and recovery periods, such as coughing, vomiting, venous pain, spontaneous movements, singultus, headaches, dysrhythmias and psychic disorders possibly due to anaesthesia. Side effects were moderate in both groups. Recovery time was statistically significantly shorter in the propofol group and the patients in this group appeared to be much more aware after recovery than those in the thiopentone-isoflurane group.
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PMID:Recovery times and side effects after propofol infusion and after isoflurane during ear surgery with additional infiltration anaesthesia. 325 10

The analgesic efficacy, side effects and cost of administration of regimens of intravenous buprenorphine and intravenous morphine were compared in a randomized double-blind trial performed during the first 24 h after cardiac surgery. Seven patients received buprenorphine by intermittent intravenous injection and six received morphine by continuous infusion. Both these regimens provided good analgesia for the entire 24 h period, with only mild pain at rest and moderate pain on vigorous coughing. Both regimens also produced mild respiratory depression but this was not of clinical importance: the mean arterial PCO2 in both groups was less than 45 mmHg after extubation. The major difference between drugs in the clinical setting was the ease of administration. Buprenorphine had no narcotic code restriction and could be given by intermittent intravenous injection, whereas morphine required checking and handling as a restricted drug and administration by continuous intravenous infusion. When labour and material costs were computed, over the first 24 postoperative hours, it cost $19.76 per patient to administer morphine, but only $3.16 to administer buprenorphine. Thus the use of buprenorphine injections for the first 24 h after cardiac surgery produced pain relief and respiratory depression comparable to that produced by a morphine infusion, but with a significant cost saving in terms of labour and materials.
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PMID:A double-blind comparison of the relative efficacy, side effects and cost of buprenorphine and morphine in patients after cardiac surgery. 330 27

We studied 24 patients undergoing elective cholecystectomy and randomized to either conventional postoperative pain treatment, with intermittent nicomorphine (10 to 15 mg) and acetaminophen (1 gm) on request, or thoracic epidural analgesia with plain bupivacaine for 48 hours and epidural morphine 4 mg every 8 hours for 96 hours plus systemic indomethacin 100 mg every 8 hours for 96 hours. Epidural analgesia for pin prick extended from the fourth thoracic to the first lumbar nerve for 48 hours. Assessments of pain, various injury response parameters, peak flow, and subjective feeling of fatigue were performed preoperatively, 3 and 6 hours after skin incision, and 1, 2, 4, and 8 days postoperatively. The epidural analgesia-systemic indomethacin treatment eliminated postoperative pain during rest and coughing. In contrast, only a minor and clinically unimportant modulation of the conventional perioperative and postoperative changes in plasma cortisol, glucose, transferrin, orosomucoid, leukocyte and differential counts, rectal temperature, peak flow, and fatigue was observed. Our results suggest that factors other than pain per se must be controlled in order to reduce postoperative morbidity.
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PMID:Epidural bupivacaine and morphine plus systemic indomethacin eliminates pain but not systemic response and convalescence after cholecystectomy. 334 86

To determine whether there is a relation between patient age and the effective dose of epidural morphine for relief of incisional pain after abdominal hysterectomy, experience treating 66 patients between the ages of 22 and 84 years was retrospectively examined. Linear regressions were plotted for age vs effective 24-hr morphine dose, age vs pain at rest, and age vs pain during coughing. To evaluate the frequency of side effects, the population was classified into three age groups (less than 40, 40-60, greater than 60 yr) and examined by Fisher's exact test for possible differences. Although there was wide interpatient variability, there was a correlation between patient age and effective 24-hr morphine dose (r = -0.40, P less than 0.01). The relation is described by the following equation: 24-hr morphine dose (mg) = 18-age(0.15). The quality of analgesia did not diminish with the smaller doses administered to the older patients. The frequency of side effects did not differ significantly in the three age groups. These observations may be related to higher CSF morphine concentrations or to a greater analgesic effect from morphine absorbed systemically from the epidural space in older patients.
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PMID:Age predicts effective epidural morphine dose after abdominal hysterectomy. 368 91

Postoperative pain was treated by epidural administration of 30 to 50 mg pethidine (5 mg X ml-1) in a group of 36 patients who had undergone retropubic prostatectomy. Surgery was carried out under epidural anaesthesia with lidocaine. Pain was assessed by means of the visual analogue scale. A general study of the effects of injections and reinjections showed that analgesia thus obtained was excellent at the first hour after injection and lasted 3 to 5 h. The effect of the first postoperative injection on spontaneous pain was studied in 14 patients. Statistical analysis (Wilcoxon test) demonstrated that the fall in pain score was significant at the first and third hours after injection, but not significant at the fifth hour. The analgesia to that pain produced by coughing was studied in 11 patients. There was a significant decrease in pain at the first hour after injection; differences in pain scores at the third hour were not significant. No noticeable side-effect was observed. It was concluded that low doses of epidural pethidine were efficient on postoperative pelvic abdominal pain, but that doses should be increased if painless coughing was required.
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PMID:[Postoperative analgesic effect of pethidine injected epidurally]. 398 29

This chapter concludes the survey of experimental and clinical data on the analgesic and antitussive properties of codeine and its potential therapeutic alternates. From an evaluation of their effectiveness on the one hand and the side-effects, including tolerance, dependence and abuse liability on the other, it would appear that the therapeutic goals of codeine could be achieved by other substances, except perhaps where analgesia, cough relief, and sedation are required simultaneously. The use of these other substances would, however, result in no particular gain and probably no particular loss.
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PMID:Codeine and its alternates for pain and cough relief. 5. Discussion and summary. 489 86

A clinical trial of a 50:50 mixture of nitrous oxide and oxygen for pain relief was carried out to determine the feasibility of its use in a field setting and the side-effects produced by this sedative/analgesic. The gas mixture was delivered from a single-tank system using a demand-valve apparatus which was triggered by the patient's inspiratory effort. This "patient-controlled" sedation/analgesia was provided to 1243 patients over a period of 18 months. Of the 1201 patients evaluated, 20.6% reported minor side-effects consisting of nausea or vomiting (5.7%), dizziness or lightheadedness (10.3%), excitement (3.7%), and numbness (0.3%). Ninety-one (7.6%) patients became drowsy or fell into a light sleep but all were readily aroused by verbal command. All retained the ability to cough or swallow on command. No consistent or clinically adverse changes were found in BP or pulse rates. The trial supports the concept that this agent is a promising sedative/analgesic for the relief of mild to moderate pain and anxiety. Because of its safety, it is particularly suited to use in prehospital emergency care.
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PMID:Patient-controlled inhalational analgesia in prehospital care: a study of side-effects and feasibility. 635 85

Respiratory function was studied in 35 patients after upper abdominal surgery, who had been randomized into two groups. 15 patients (median age: 59 years) were operated on using neuroleptanalgesia and received intramuscular piritramide as postoperative analgesic. A continuous thoracic epidural was placed prior to surgery in 20 patients (median age 52 years). A light general anaesthesia was additionally given when these patients were operated on. Postoperatively, epidural analgesia was continued by infusion of 0.25-0.3 ml/kg X h 0.125% bupivacaine via epidural catheter over a period of 4 days. If pain prevention during coughing and getting up was not complete, top-ups of 6-10 ml 0.25% bupivacaine were given additionally. Respiratory function (FVC, peak expiratory flow, VT, VD/VT, RR, MV, VA, AaDO2(0.21), PaO2 and PaCO2) was investigated before surgery, and on the 1st, 3rd and 5th postoperative day, the patients breathing room air. Results (the median of each groups is plotted, the values of the epidural group being in brackets. 0: preop., 1: first, 3: third, 5: fifth postop. day): FVC 0: 3.05 (3.16) 1: 1.42 (1.40) 3: 1.64 (1.42) 5: 1.39 (2.27) 1. Peak expiratory flow 0: 310 (287) 1: 118 (113) 3: 130 (127) 5: 153 (194) 1/min. Respiratory rate 0: 16 (14.5) 1: 20 (18.5) 3: 16 (18.5) 5: 17 (17) min-1.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:[Postoperative pulmonary function following abdominal surgery. Comparison of continuous, segmental thoracic peridural anesthesia and intramuscular piritramide injections]. 643 68

Rib fractures and flail chest could be fatal if gas exchange is impaired. Efficient pain relief with continuous thoracic epidural analgesia allows a good physiotherapy management without central sedation and impairment of cough reflex, this prevents pulmonary atelectasis and infection. Eighteen patients/19 were treated with success in spite of flail chest, chronic obstructive pulmonary disease and minor pulmonary contusion. Intermittent positive pressure ventilation must be reserved to severe pulmonary contusion and other crushing injuries of the chest as bronchial or great vessels ruptures.
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PMID:Thoracic epidural analgesia in the treatment of rib fractures. 651 37

An intensive treatment of patients undergoing thoracic surgery is important, foremost because of the extensity of the surgical procedures and the generally poor condition of the patients. As a first stage of preoperative preparation an evaluation of the functional capacity of the vital organs (heart, lungs and kidneys) is performed, and the most important infection's focci of the oro-pharynx, tracheobronchial tree, urinary tract and skin have to be detected and treated. Respiratory physiotherapy before the surgery improves the ventilatory function, enabling the patient to breath regularly and effectively cough, wherewith a bronchial spasm is prevented and bronchopulmonary infection limited. Before surgery any hypovolaemia, anaemia, hypoproteinemia and dysproteinaemia should also be corrected; in such patients the parenteral alimentation (hyperalimentation) through the central venous catheter, is also important. Immediately following the operation a continuous supervision of vital functions (usually managed by well-experienced surgical nurses) is very essential. Isothermia, isovolemia, a correct oxygenation and analgesia should be maintained permanently. To loose sight of hypoventilation and hypoxia can likely induce respiratory insufficiency. Symptoms indicating tracheal intubation and mechanical ventilation should be watched for and treated at the right moment. Following the surgery, prevention of pulmonary atelectasis and pneumonia, providing an effective thoracic drainage, and respiratory physiotherapy is of utmost importance. The prophylaxis of postoperative pulmonary embolism in particularly jeopardized patients consists in the administration of heparin. Antibiotics in accordance with antibiogram (material: samples taken by a catheter or by bronchoscope from the lung directly).
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PMID:[Intensive care of thoracic surgery patients]. 688 May 35


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