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 172,036 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The authors conducted a randomized double-blind controlled study comparing groups of patients receiving iv or epidural fentanyl infusions to determine whether, at comparable levels of analgesia, 1) the severity of side effects was different; and 2) plasma fentanyl concentrations differed between the two groups. Twenty-eight ASA physical status 2 women scheduled to undergo elective cesarean section were randomized into two groups to either receive fentanyl intravenously and saline epidurally or fentanyl epidurally and saline intravenously. After delivery of the infants under epidural anesthesia, each patient received a bolus of fentanyl 1.5 microgram/kg either intravenously or epidurally, and a fentanyl infusion was begun via the same route. Concurrently, a saline bolus and infusion were given via the alternate route. The rates of the fentanyl and saline infusions were adjusted until each patient was comfortable. Patients rated their pain, nausea, and pruritus on visual analogue scales. Sedation was evaluated by an observer. Respiratory depression was evaluated by end-tidal PCO2. Data were analyzed by unpaired two-tail t tests. Plasma fentanyl concentrations were measured at 12 and 24 h. Three patients in the iv group were dropped from the study because of inadequate pain relief. For the remaining 25 patients, similar infusion rates of fentanyl were required to produce similar levels of analgesia at 12 and 24 h. The severity of nausea, pruritus and sedation, and end-tidal PCO2 were similar for both groups. The plasma concentrations of fentanyl were significantly greater in those who received iv fentanyl at 12 h but not at 24 h.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:A randomized double-blind comparison of epidural versus intravenous fentanyl infusion for analgesia after cesarean section. 200 64

The purpose of this study was to determine if a small dose of intrathecal meperidine would achieve adequate spinal anaesthesia while minimizing complications and to compare its effectiveness with lidocaine. The spinal anaesthetic effects of five per cent lidocaine 0.5 mg.kg-1 in 7.5 percent glucose (n = 20) or five per cent meperidine 0.5 mg.kg-1 (n = 22) were evaluated in 42 ASA physical status II or III patients. Intrathecal injection of the anaesthetic agent was given with the patient in the sitting position in which he remained for ten minutes before being placed in the lithotomy position. The onset time for sensory blockade was seven minutes in the lidocaine group and ten minutes in the meperidine group. Final sensory levels were identical in both groups. Mean arterial blood pressure decreased significantly in the lidocaine group but not in the meperidine group. Motor block was absent in ten patients in the meperidine group but was present in all the patients in the lidocaine group. Duration of postoperative analgesia was 968 min in the meperidine group and 681 min in the lidocaine group (NS). Complications such as nausea, vomiting, itching, drowsiness and respiratory depression were similar in the two groups. It is concluded that low-dose meperidine, 0.5 mg.kg-1, is effective as a spinal anaesthetic agent and has few complications.
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PMID:Comparison of intrathecal meperidine and lidocaine in endoscopic urological procedures. 219 5

The use of spinally administered opioids to manage pain is discussed. Central action on opioid receptors of the substantia gelatinosa allows opioids to be administered spinally for pain originating anywhere inferior to the cranial nerves. Spinal opioids are most commonly administered for intractable midline sacral and perineal pain. The best candidates for spinal opioids are patients in whom appropriate "conventional" therapy no longer provides adequate relief, patients who experience severe adverse effects from conventional therapy, and patients for whom alternative anesthetic procedures are inappropriate or have failed. A reasonably safe initial dose is morphine sulfate 1 mg intrathecally. The availability of preservative-free, concentrated morphine sulfate enables larger doses to be safely and comfortably administered. Increased dosage requirements may result from tolerance, progression of disease, increased systemic absorption, or slippage of the catheter tip. As with systemically administered opioids, care must be exercised when discontinuing spinal opioid therapy. Adjuvant drugs used with spinal opioids include systemically administered analgesics, antidepressants, corticosteroids, and spinal local anesthetics. The administration of spinal opioids with systemic opioids or other CNS depressants may result in excessive sedation, respiratory depression, nausea, vomiting, constipation, pruritus, and other adverse effects. Spinally administered opioids can be used to manage severe chronic pain effectively, safely, and comfortably.
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PMID:Pain management with spinally administered opioids. 220 8

The contribution of psychosomatic factors toward the morbidity associated with psoriasis should be evaluated in the context of the patient's developmental stage and life situation. The skin, as a sensory organ, plays a critical role in an individual's physical and emotional growth in early life. The skin also plays an integral role as an organ of communication throughout life and greatly affects an individual's body image and self-esteem. If these factors are not taken into consideration, the morbidity associated with psoriasis may increase, or the patient may remain dissatisfied with treatment even in the face of clinically satisfactory treatment outcome. Some recent studies indicate that the adverse impace of psoriasis upon the quality of life can result in significant chronic stress, which may in turn exacerbate the psoriasis in a subgroup of patients. As disease-related stress is present in every patient to some degree, the dermatologist should regularly assess the psychosocial impact of the disease. Certain personality factors, such as a tendency to want the approval of others and difficulty with assertion of angry feelings, may make the patient with psoriasis more vulnerable to stress and contribute toward the stress reactivity of the disease. The presence of depression in psoriasis may modulate itch perception, exacerbate pruritus, and lead to difficulties with initiating and maintaining sleep. Helping the patient to develop assertiveness skills in addition to supportive psychotherapy may facilitate the patient's capacity to cope with the daily stresses associated with psoriasis. Treatment of depressive symptoms may prove to be a helpful adjunct in the management of pruritus and sleep difficulties in psoriasis.
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PMID:Some psychosomatic aspects of psoriasis. 220 73

This retrospective study was undertaken to assess the efficacy and safety of epidural morphine in providing analgesia following Caesarean section under epidural anaesthesia. The morphine was administered as a single bolus, following delivery, in doses ranging from 2 to 5 mg. The charts of 4880 Caesarean sections, performed on 4500 patients, were reviewed. The duration of analgesia and the occurrence of any symptoms which might be side-effects of the epidural morphine were recorded. The duration of analgesia was 22.9 +/- 10.1 hr and was not correlated with the dose of epidural morphine. Eleven per cent of the patients required no supplemental analgesia during the first 48 hr. Twelve patients (0.25 per cent) had respiratory rates less than 10 breaths per minute, on at least one occasion. No serious sequelae resulted from these periods of bradypnoea. Pruritus occurred in 58 per cent of patients, nausea and vomiting in 39.9 per cent and dizziness in ten per cent. Herpes simplex labialis was recorded in 3.5 per cent of patients. Epidural morphine is thus confirmed as an effective analgesic technique post-Caesarean section with 3 mg being the optimal dose. Even in this young healthy patient population, clinically detectable respiratory depression occurs so clinical respiratory monitoring is indicated.
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PMID:Epidural morphine for analgesia after caesarean section: a report of 4880 patients. 220 31

The Acute Pain Service began at the Royal Adelaide Hospital in April 1989. Funding, education programmes, policies, procedures, protocols, techniques (particularly patient-controlled analgesia, epidural opioid analgesia and subcutaneous morphine therapy) and daily organisation of the service are described in this article, and the experience with the 1053 patients referred to the Service during the first year of operation is reported. The occurrence of major complications was small. Mild-to-moderate respiratory depression occurred in four (0.5%) of the 747 patients who received patient-controlled analgesia and in none of the 177 who received epidural opioids. Five patients receiving patient-controlled analgesia had persistent nausea/vomiting; 320 (35%) of all patients receiving patient-controlled analgesia or epidural opioids suffered nausea/vomiting that required no treatment or was alleviated by treatment with an antiemetic. Around 13% of patients reported mild-to-moderate itching. In our experience, the combination of appropriately trained nursing and medical staff, standardised orders and procedures, and proper supervision can lead to safe, more effective management of acute pain.
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PMID:An acute pain service in an Australian teaching hospital: the first year. 221 14

Thirty-four dermatology out-patients with chronic idiopathic urticaria and 34 with idiopathic generalized pruritus were investigated using standardized self-assessment psychological questionnaires to determine the incidence of significant symptoms of depression and anxiety. These patients were compared with age- and sex-matched but otherwise unselected general dermatology out-patients. Using the Beck depression inventory, significantly more patients with generalized pruritus (32.4%) had depressive symptomatology (score greater than 14) than controls (13.2%, P less than 0.05). Although more patients with chronic urticaria had depressive symptomatology (14.7%) than controls (4.4%), the difference was not statistically significant. Using the Speilberger state-trait anxiety inventory there were no significant differences between the patients with pruritus or urticaria and their controls with respect to state or trait anxiety scores above the upper 90% probability limit for the general population. Thus, significant depression may be expected in a substantial proportion of patients with idiopathic generalized pruritus but in a relatively small proportion of those with chronic urticaria.
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PMID:Anxiety and depression in patients with chronic urticaria and generalized pruritus. 226 93

The management of postoperative pain with continuous epidural fentanyl infusion was compared with continuous intravenous fentanyl infusion. In a randomized, doubleblind protocol we prospectively studied 20 patients undergoing repair of the anterior cruciate ligament of the knee. The quality of analgesia and the incidence of side effects were documented. Compared with patients receiving continuous intravenous fentanyl infusion, at 18 h postoperatively patients given continuous epidural fentanyl infusion reported similar pain scores both at rest (22 +/- 25 vs 27 +/- 21, P = 0.52) and with ambulation (59 +/- 18 vs 56 +/- 22, P = 0.82). Plasma fentanyl levels were 1.8 +/- 0.4 and 1.7 +/- 0.4 ng/mL (P = 0.91) for the intravenous and epidural groups, respectively. There were no significant differences in the incidence of nausea, pruritus, or urinary retention. There was no respiratory depression in either group. We conclude that when compared with continuous intravenous fentanyl infusion, continuous epidural fentanyl infusion offers no clinical advantages for the management of postoperative pain after knee surgery.
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PMID:Epidural and intravenous fentanyl infusions are clinically equivalent after knee surgery. 197 97

We studied the effect of low-dose intrathecal morphine (0.00-0.20 mg) on pain relief and the incidence of side effects after cholecystectomy in 139 patients divided into eight groups according to intrathecal morphine dose: groups 1 (0.00 mg), 2 (0.04 mg), 3 (0.06 mg), 4 (0.08 mg), 5 (0.10 mg), 6 (0.12 mg), 7 (0.15 mg), and 8 (0.20 mg). Preservative-free morphine hydrochloride mixed in hyperbaric tetracaine solution was administered at the time of induction of spinal anesthesia just before surgery. Pain relief was significantly greater for the first 24 h in groups 3, 4, 5, 6, 7, and 8 than in group 1. The incidence of respiratory depression was significantly greater in groups 7 and 8 than in the other groups in the first 48 h. Vomiting occurred significantly more often in group 1 than in groups 2, 3, 4, and 5. Intraoperative cholangiography and the postoperative clinical course indicated no increase in tone of the sphincter of Oddi in any patient. We conclude that 0.06-0.12-mg intrathecal morphine is the best dose range for pain relief after cholecystectomy without respiratory depression and with the lowest incidence of vomiting or pruritus, or both.
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PMID:Intrathecal morphine dose-response data for pain relief after cholecystectomy. 230 48

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


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