Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0344307 (analgesia)
 28,200 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Eighty patients undergoing abdominal surgery were studied after operation. Morphine was administered regularly every 4 h by either the i.m. (morphine sulphate 10 mg) or the oral route (MST Continus 20 mg) in a double-blind double-dummy trial. Both MST and i.m. morphine provided satisfactory postoperative analgesia, but significantly greater amounts of supplementary i.m. morphine were required in the MST group. More adverse effects were reported by the patients in the i.m. morphine group. The mean serum morphine concentration in 12 patients in the MST group was 1.7 ng ml-1 at 08.00 h and 19.5 ng ml-1 at 16.00 h on the 1st day after operation, suggesting impaired gastric emptying in the early postoperative period. It is therefore recommended that further studies of the bioavailability of MST in the early postoperative period be undertaken before any recommendations are made regarding its routine use for pain relief at that time.
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PMID:Morphine sulphate slow release. Comparison with i.m. morphine for postoperative analgesia. 402 2

Sixty-nine patients undergoing upper and lower abdominal surgery were studied after operation to compare the analgesic effects of sublingual buprenorphine (0.4 mg) and slow release morphine sulphate tablets (MST, 20 mg) given 6 hourly in a double-blind, double-dummy trial. Both MST and buprenorphine produced satisfactory postoperative analgesia but the linear analogue pain scores were significantly lower on the second post operative day with MST.
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PMID:Non-parenteral postoperative analgesia. A comparison of sublingual buprenorphine and morphine sulphate (slow release) tablets. 671 81

The efficacy, tolerability and 24-h duration of action of MXL capsules, a novel once-daily morphine preparation, were compared with twice-daily morphine tablets (MST Continus tablets) in patients with severe cancer pain. Eighty-five patients were recruited to this randomized, double-blind, double-dummy, crossover study. There was no significant difference between the two treatment groups in the number of occasions that escape medication was required, the pain scores at each of three time points throughout the day, and the number of nights woken due to pain. Both preparations were well tolerated with no significant difference in the number or severity of reported symptoms and side-effects. Sixteen patients withdrew from the study, of whom 13 withdrew for nontreatment-related reasons. There was no difference between the preparations in terms of expressed treatment preference. MXL capsules were shown to provide effective analgesia over the 24-h dosing interval which was comparable to that of MST Continus tablets administered twice daily.
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PMID:A randomized crossover study comparing the efficacy and tolerability of a novel once-daily morphine preparation (MXL capsules) with MST Continus tablets in cancer patients with severe pain. 951 71

We have studied postoperative pain relief after different techniques of morphine administration given in addition to bupivacaine 15 mg during spinal anaesthesia for caesarean section. In group A, morphine was given both intravenously (10 mg) and orally (30 mg slow release MST) at the end of surgery and continued orally at 8-hourly intervals for 24 h. In group B morphine (80 microg) was given intrathecally only, with the bupivacaine. Both quality of analgesia and duration of action were better in group B, while most side-effects were more frequent in group A where a mild self limiting respiratory depression occurred in 38% of patients. Pruritus was, on the other hand, observed in 48% of patients of group B compared to 7% of the patients of group A. This study suggests that adding 80 microg of morphine to the local anaesthetic used in spinal anaesthesia for caesarean section is a simple procedure that gives excellent results in term of reliability, duration of analgesia and safety.
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PMID:Pain relief after caesarean section: comparison of different techniques of morphine administration. 1563 51