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Query: UMLS:C0027497 (nausea)
 23,468 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Bone marrow transplant recipients were randomly assigned to receive morphine by either continuous infusion (32 patients) or self-administration of small boluses (patient-controlled analgesia (PCA), 26 patients) for control of chemoradiotherapy-induced oral mucositis pain. All patients received morphine for a minimum of 9 days and most required morphine for at least 14 days. Patients rated their pain and side-effect intensity daily using visual analogue scales. Patient pain ratings did not differ between the groups although PCA patients used only 53% as much morphine as the continuous infusion group. Tolerance did not develop in the PCA group; in patients receiving continuous infusion morphine dosage continued to increase throughout the study while pain scores remained constant, indicating that tolerance had developed. Nausea, alertness and respiratory rate measurements did not differ between groups. PCA appeared more effective than the hospital staff determined treatment at delivering the least amount of morphine required to produce maximal pain relief. Patients self-administering morphine did not appear to restrict morphine intake in order to minimize opioid side-effects.
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PMID:Self-administration of morphine in bone marrow transplant patients reduces drug requirement. 230 58

Forty patients scheduled for elective colonic surgery were allocated at random to receive either nitrous oxide or air during surgery. Preoperative management, surgery, parenteral therapy and postoperative analgesics were similar in both groups. Anaesthetic management included isoflurane, vecuronium by infusion and fentanyl 3 micrograms kg-1 h-1. The air group required a mean inspired isoflurane concentration of 0.8% (SD 0.3), whereas the nitrous oxide group required 0.4% (SD 0.2). No differences were found in duration of operation, blood loss, need for postoperative analgesia or postoperative nausea. Patients in the air group had less gas in the small bowel (P less than 0.005) and in the large bowel (P less than 0.001), and operating conditions were better than in the nitrous oxide group (P less than 0.01). After operation, the air group had significantly earlier bowel function than the nitrous oxide group, with earlier passing of flatus (3.4 (1.2) vs 4.7 (1.4) days) (P less than 0.05) and faeces (4.7 (1.5) vs 6.3 (2.2) days) (P less than 0.05) and required a shorter postoperative hospital stay (10.0 (1.3) vs 11.7 (2.5) days) (P less than 0.05).
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PMID:Peroperative nitrous oxide delays bowel function after colonic surgery. 231 16

Thirty infants scheduled for a variety of gastrointestinal, genitourinary and thoracic surgical procedures were selected for insertion of lumbar or thoracic epidural catheters via the caudal approach using either an Intracath or a Burron continuous brachial plexus kit. The catheters were inserted with ease by residents in training and no catheter-related complications were encountered. Lidocaine 0.5 per cent with 1:200,000 epinephrine was then injected to assure proper placement of the catheter before narcotics were administered. Postoperative analgesia was adequate in all patients using preservative-free morphine 0.05 mg.kg-1. The mean dosing interval was 15 hr and no episodes of nausea, vomiting, hypotension or histamine release were noted. Urinary retention occurred in two infants and one infant became apnoeic three hours after epidural morphine administration but responded to naloxone and pulmonary ventilation with bag and mask. In conclusion, epidural catheters placed via the caudal approach are a safe and effective means of providing postoperative pain control in infants using preservative-free morphine. However, the use of epidural narcotics in infants less than two years of age is restricted to those who will receive intensive care unit monitoring postoperatively so that if apnoea occurs, rapid intervention can be taken by skilled nursing personnel.
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PMID:Lumbar and thoracic epidural analgesia via the caudal approach for postoperative pain relief in infants and children. 232 73

There have been few major complications of percutaneous nephrostolithotomy (PNL) reported. We recently experienced cardiac arrest during PNL under epidural anesthesia. The patient was a 52 year old man weighing 64 kg who had been suffering from right renal pelvic stone for years. He was scheduled for PLN under epidural anesthesia. Analgesia was obtained to the level of Th6. The operation proceeded uneventfully for about 60 min. By this time, he suddenly complained nausea, and hypotension with bradycardia occurred. Blood pressure and pulse rate returned immediately to the normal level by IV atropine and ephedrine. But after three minutes, blood pressure and pulse rate went down again. This hypotension with bradycardia was unresponsive to epinephrine, calcium chloride and sodium bicarbonate. This was followed by asystole. Resuscitation was successful with the addition of epinephrine, calcium chloride, and sodium bicarbonate about 15 min after cardiac massage had started. The patient was, on the fifth postoperative day, with no evidence of impairment of renal, cardiac and respiratory functions but a slight impairment of neurologic function. Several possible causes for this cardiac arrest and anesthetic management of percutaneous nephrostolithotomy are discussed.
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PMID:[Sudden cardiac arrest during percutaneous nephrostolithotomy (PNL) under epidural anesthesia]. 232 60

We have evaluated the efficaciousness and side effects of continuous administration of morphine by lumbar epidural route for relieving postoperative pain in major surgery of the abdomen and orthopedic surgery. Lumbar epidural catheters were placed to 25 patients (mean age, 52 years) before induction of general anesthesia. All patients received a 4 mg bolus dose of morphine sulfate 1 hour before finalization of general anesthesia and subsequently they were placed on a continuous infusion of morphine sulfate at 0.3-1 mg/h. All patients achieved analgesia which maintained then pain-free and allowed early ambulation and initiation of active respiratory physiotherapy. Duration of continuous analgesia varied from 3 to 5 days. No patient presented respiratory depression; four presented nausea and eight had urinary retention. We believe that continuous epidural infusion of morphine is efficacious and safe for the treatment of acute postoperative pain in patients undergoing abdomen major surgery and orthopedic surgery.
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PMID:[Continuous infusion of epidural morphine to relieve postoperative pain. Protocol and results]. 233 11

Epidural narcotics has been shown to produce profound and long-lasting analgesia. It has been suggested that lipid-soluble narcotics such as fentanyl, because of their short transit time in the CSF, are less likely to be associated with delayed respiratory depression and side effects. We tried to combine low concentrations of fentanyl with bupivacaine to minimize side effects and to see if synergistic effect existed. Forty ASA physical status I or II patients who present for cholecystectomy were included in the trial. Before surgery a thoracic epidural catheter was inserted and pain control began when patients became fully awake and complained of pain in the recovery room after surgery. Patients were randomized in a double-blind fashion to one of four groups. Patients in group I were given epidural infusions of fentanyl 0.001%; patients in group 2 received fentanyl 0.001% mixed with bupivacaine 0.1%; patients in group 3 received fentanyl 0.0005%; patients in group 4 received fentanyl 0.0005% mixed with bupivacaine 0.1%. A continuous epidural infusion of these drugs began at a rate of 10 mL/h after a 5-mL bolus of the solution. Pain relief was assessed with visual analogue pain scale. Respiratory rates, vital signs, and mental status were assessed hourly. Except the group 3, the degree of analgesia achieved was similarly satisfactory in all other groups. There was no respiratory depression developed in either group. Motor block was minimal or absent in all groups. The incidence of nausea and pruritus was significant less in group 3 and group 4. In conclusion, the continuous infusion of dilute bupivacaine with fentanyl provides synergistic analgesia with minimal side effects.
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PMID:Comparison of continuous epidural infusion of fentanyl and fentanyl-bupivacaine for post cholecystectomy pain control. 235 68

This study aimed to compare the efficacy and side-effects of sublingual buprenorphine, a synthetic opioid agonist antagonist, with those of subcutaneous morphine. Fifty ASA class 1 patients were included in the study after having given their informed consent. Caesarean section was carried out under epidural block with 0.5% bupivacaine; no opioids were used during the procedure. The first dose of opioid was given 2 h after the first dose of bupivacaine. Patients were randomly given either 10 mg morphine (n = 25) or 0.4 mg buprenorphine (n = 25), followed by the same dose every 6 h for 36 h. When analgesia was insufficient, tablets containing dextropropoxyphene and paracetamol were given. No attempt was made to blind the study to the patient, but the investigator assessing pain was unaware of the drug given to the patient. Pain intensity was assessed before, and 2 h after each dose of opioid with a 100 mm visual scale, as well as systolic, diastolic and mean arterial blood pressures, heart and breathing rates, and SpO2. Side-effects (pruritus, nausea, vomiting, drowsiness) were also noted. In 2 patients in each group, the protocol was stopped before the 36th h, but after the fourth dose, either because of side-effects, or at the patient's request. Results were similar in both groups of patients, whether for degree of pain relief, or physiological effects. There was no clinically detectable respiratory depression. Duration and intensity of episodes of arterial oxygen desaturation, and the incidence of nausea, were similar in the 2 groups; pruritus was more common in the morphine group.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:[Postoperative analgesia after cesarean section: sublingual buprenorphine versus subcutaneous morphine]. 237 54

A study was undertaken to investigate the use of fentanyl by aerosol for postoperative analgesia. Seven patients had placebo, six received fentanyl 100 micrograms and seven were given fentanyl 300 micrograms. A significant improvement in postoperative pain, as assessed by linear visual analogue scale, was achieved in the higher dose group, and in both fentanyl groups the time to alternative analgesia was significantly longer than in the control group. Serum fentanyl levels after inhalation of 100 micrograms reached a plateau around 0.04 ng/ml and after 300 micrograms at around 0.1 ng/ml after 15 minutes. Inhaled fentanyl may have a useful analgesic effect despite these low serum levels; this supports the hypothesis that the mode of analgesia from inhaled opioids may be different from that after other routes of administration. There were no adverse effects such as respiratory depression, bronchospasm, nausea or drowsiness.
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PMID:Inhaled fentanyl as a method of analgesia. 208 70

Continuous interscalene brachial plexus block with a single dose of 0.75% bupivacaine (150-210 mg) with adrenaline, continued with an infusion of plain 0.25% bupivacaine 0.25 mg/kg/h, was performed on 20 patients to provide analgesia during shoulder surgery and in the postoperative period. The control group included 20 patients who were given general anaesthesia for surgery after starting a continuous interscalene brachial plexus block; test dose of 0.75% bupivacaine (22.5 mg) with adrenaline, continued with an infusion of 0.25% bupivacaine 0.25 mg/kg/h. Surgery was performed successfully under regional anaesthesia in 16/20 patients; 4/16 were given one dose of fentanyl during the surgery, and diazepam or midazolam as supplementary sedation were given in 13/16 cases. For postoperative analgesia 35/40 patients had a fully functioning catheter for 20-26 hours and the need for oxycodone i.m. during that time was 1.5 +/- 0.4 doses after regional anaesthesia (n = 14) and 1.8 +/- 0.4 doses after general anaesthesia (n = 18). There was a statistically significant difference in the mean plasma bupivacaine concentrations between the groups, concentrations in the regional anaesthesia group being higher at 5, 30, 60 min and 3 h (maximum 2.3 micrograms/ml at 60 min), but there was no difference between the values at 24 h. One infusion of local anaesthetic was discontinued because of probable treatment-related side-effects (breathing difficulties, nausea). Mild local anaesthetic toxicity (dizziness, tinnitus) was noticed in four patients.
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PMID:Continuous interscalene brachial plexus block during and after shoulder surgery. 238 58

To determine whether administration of nitrous oxide, 50% and 70%, could provide analgesia and anxiolysis during venous cannulation in pediatric patients, 165 ASA Physical Status 1 patients scheduled for elective surgery were studied. Children, 3 weeks to 18 yr of age, were randomly assigned either to receive nitrous oxide, 50% or 70% in oxygen, or 100% oxygen via mask or to a group breathing room air, for 3 min prior to and during venous cannulation. A blinded observer using a behavioral scale for rating pain in children performed assessments of behavior and pain before and following venous cannulation. Children who received 50% or 70% nitrous oxide were more likely to be relaxed, 59% and 84%, respectively, and had little evidence of pain. Of those given 100% oxygen or no mask, only 30% and 21%, respectively, were considered relaxed, and 16% and 15% had little evidence of pain during venous cannulation. Side effects were seen in 28% of the group given 70% nitrous oxide and included excitement, dysphoria, nausea, restlessness, and opisthotonic movements. Both 50% and 70% nitrous oxide in oxygen administered to pediatric patients are effective at decreasing the pain and anxiety associated with venous cannulation, but use of the latter is associated with side effects.
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PMID:Administration of nitrous oxide to pediatric patients provides analgesia for venous cannulation. 240 40


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