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Query: UMLS:C0030193 (pain)
 261,466 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A two-phase, double-blind study was performed to assess the efficacy of various drugs in the relief of postoperative pain. Oral analgesia with two compounds (paracetamol 320 mg, caffeine 32 mg, codeine phosphate 8 mg and meprobamate 150 mg (Stopayne; Rio Ethicals) and dipyrone 500 mg, pitofenone hydrochloride 5 mg and fenpiverinium bromide 0,1 mg (Baralgan HS; Albert)) was found to produce satisfactory pain relief, and it is suggested that these oral compounds may be used from 12 hours postoperatively in uncomplicated cases. Parenteral administration of either pethidine 100 mg or dipyrone 2500 mg was found to be an ineffective form of pain relief, and it is suggested that the use of these drugs should be reviewed. In both phases of the study side-effects were infrequent and mild, and smoking did not have an influence on the results.
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PMID:Analgesics for pain relief after gynaecological surgery. A two-phase study. 388 41

As part of a study to evaluate the analgesic efficacy of meperidine and hydroxyzine, alone and in combination, a double-blind complete crossover study of meperidine (50 mg IM), hydroxyzine (100 mg IM), meperidine (50 mg IM) plus hydroxyzine (100 mg IM), and saline placebo was conducted. Thirty patients with chronic moderate to severe pain due to metastatic cancer were evaluated as to pain relief following administration of all four study medications. All of the treatment groups showed statistically significant analgesic activity as compared to placebo. Hydroxyzine provided sustained pain relief to six hours, whereas meperidine produced analgesia up to two hours. The combination produced additive analgesia only during the first 2 hr. The pharmacokinetics of meperidine and hydroxyzine were compared to observed analgesia. Significant correlation between serum drug levels of meperidine and hydroxyzine and pain relief resulted and the serum levels of meperidine and hydroxyzine necessary for analgesia were calculated to be 0.10-0.15 mg/ml and 60-70 ng/ml; respectively. The observed analgesia of the meperidine/hydroxyzine combination was correlated with the analgesia of the individual agents and the limited additive analgesia observed with the addition of meperidine to hydroxyzine does not justify the added toxicity of the narcotic.
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PMID:Analgesic efficacy and pharmacokinetic evaluation of meperidine and hydroxyzine, alone and in combination. 619 95

Hepatobiliary scans using Tc-IDA are reliable in making the diagnosis of acute cholecystitis. Commonly, opioid drugs are administered in patients with acute cholecystitis to relieve pain. Opioid drugs cause biliary sphincter spasm. Whether these drugs adversely affect hepatobiliary scans is unknown. We studied 13 healthy volunteer subjects, performing three hepatobiliary scans in each one. Scans were performed without opioid drugs and 30 minutes after intramuscularly administered meperidine, morphine, hydroxyzine, hydroxyzine plus meperidine, butorphanol, and nalbuphine. Opioid drugs markedly delayed clearance of Tc-IDA from the common bile duct, simulating common bile duct obstruction. Hydroxyzine alone caused an insignificant delay. We have concluded that opioid drugs cause bile duct obstruction in healthy persons. If opioid drugs are administered before a diagnostic hepatobiliary scan, delayed clearance of Tc-IDA from the common bile duct might lead to an erroneous diagnosis and indicate a potentially unnecessary common bile duct exploration. Opioid drugs should not be administered for several hours before a diagnostic hepatobiliary scan.
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PMID:Opioid drugs cause bile duct obstruction during hepatobiliary scans. 653 76

The epidural instillation of morphine for pain control has been utilized for some time, although primarily intraoperatively or for patients with chronic severe pain, as in terminal cancer. Long term indwelling catheter or subarachnoid administration of epidural morphine are both potentially hazardous. However, in relatively brief applications, up to a few days, the epidural administration of morphine sulfate Is effective, safe, and well tolerated when used according to a carefully controlled plan. We report the use of this method as an improved means for the control of post-lumbar surgery pain in 25 cases. These patients were compared with 25 others receiving standard doses of parenteral and oral narcotics. The two groups were quite similar preoperatively. However, patients receiving epidural morphine were more comfortable, had fewer side effects such as nausea and lassitude, and exhibited no respiratory depression. Further, they ambulated sooner, showed no definitive orthostatic hypotension and less ileus, and remained much more alert and cooperative during the initial 48 hours after operation. Hospitalizations were usually shorter by 1 or 2 days. The administration of very small doses (1.0 to 2.5 mg) of morphine every 12 to 24 hours was usually adequate for good to excellent postoperative pain control. Hydroxyzine was sometimes used to potentiate the analgesia between doses. The epidural catheters were routinely removed within about 72 hours. The technique for the intraoperative placement of the epidural catheter and drug administration are detailed. Precautions for catheter placement were carefully followed to prevent dural penetration or intrathecal injection.
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PMID:Indwelling epidural morphine for control of post-lumbar spinal surgery pain. 663 31

We measured blood concentrations of heroin and its active metabolites, 6-acetylmorphine and morphine, serially in 11 patients with chronic pain (9 of whom had cancer) after intravenous injection, intravenous infusion, intramuscular injection, and an oral dose of heroin hydrochloride. Parenteral heroin provided measureable blood levels of heroin, 6-acetylmorphine, and morphine. Blood levels of heroin and 6-acetylmorphine reached their maximal concentrations within minutes and were cleared rapidly. The mean half-life of heroin (+/- S.D.) after intravenous injection or infusion was only 3.0 +/- 1.3 minutes, and the mean clearance of heroin from the blood at apparent steady state was 30.8 +/- 2.1 ml per kilogram of body weight per minute. Morphine levels rose more gradually, and morphine was cleared much more slowly. Oral administration of heroin resulted in measurable blood levels of morphine but not of heroin or 6-acetylmorphine. The amount of circulating morphine provided by an oral dose of heroin was only 79 per cent of that available from an equal amount of morphine. We conclude that heroin is a pro-drug that serves to determine the distribution of its active metabolites. Parenteral heroin is rapidly converted to 6-acetylmorphine, which contributes to rapid pain relief. Oral heroin is converted to morphine and appears to be an inefficient means of providing morphine to the systemic circulation.
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PMID:The pharmacokinetics of heroin in patients with chronic pain. 670 27

In the period from 1983-1991 133 patients (102 men, 31 women) with lung cancer were treated in our pain clinic for 8083 days. Pain was associated with tumour infiltration in 86% of patients and related to therapy in 15%. Even in 6 of 8 patients who were admitted with a diagnosis of "postthoracotomy syndrome" and in all 4 patients with "postradiation syndrome" local recurrence was diagnosed during follow-up. All 17 cases of brachial plexus lesions were caused by local tumour spread. Symptomatic treatment according to WHO guidelines resulted in good pain relief in 92% of patients and on 82% of days. The incidence of dyspnea decreased from 51% of the patients to 16%. Strong opioids were used on 56% of treatment days. Parenteral or spinal administration of opioids was necessary on 3% of days only.
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PMID:[Pain assessment and therapy in bronchial carcinoma]. 752 65

Treatment of postappendectomy intraperitoneal abscesses is classically surgical (drainage). We report a retrospective study (1988 to 1991) of our experience in providing exclusively medical treatment for 11 such isolated abscesses in children. The abscess was detected 7 times within the 10 days following appendectomy. Ultrasonography localized the abscess 7 times in the right iliac fossa and 4 times in Douglas' pouch. In 4 cases it was larger than 5 cm in diameter. Parenteral antibiotic therapy associated ticarcillin and clavulanic acid 6 times and piperacillin, tobramycin and metronidazole 5 times. Drug efficacy was evaluated by clinical signs (fever, pain, ileus) and ultrasonography. In one case, an associated ileus led to reoperation at day 4 of treatment. In the other 10 cases, clinical signs disappeared during the first week of treatment. At day 7, parenteral was replaced by oral antibiotic therapy (metronidazole 7 times, amoxicillin-clavulanic acid 3 times) continued until the abscess was no longer visualized on ultrasonography (5 times at 3 weeks, 5 times at 1 month). Medical treatment of isolated postappendectomy abscesses in children would thus appear to be a logical choice in the absence of an associated ileus.
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PMID:Medical treatment of postappendectomy intraperitoneal abscesses in children. 754

The analgesic efficacy of a single dose of ketorolac or ibuprofen given preoperatively was assessed in healthy outpatients undergoing general anesthesia for laparoscopic tubal ligation. Fifty patients were randomized to receive either ketorolac 60 mg intravenously (i.v.), ibuprofen 800 mg orally, or placebo in a double-blind manner. Anesthesia was induced with fentanyl 2 micrograms/kg, thiopental 5 mg/kg, and either vecuronium 0.1 mg/kg or succinylcholine 1.5 mg/kg i.v. and was maintained with nitrous oxide 67% in oxygen and isoflurane. Patients were assessed at 15-min intervals in the postanesthesia care unit (PACU) and treated for pain with i.v. morphine by protocol. Patients were evaluated for pain, analgesic requirements, side effects, and recovery times. After discharge, patients completed questionnaires to assess pain, analgesic use, and side effects 6 and 24 h postoperatively. Parenteral morphine was required in 80% of patients in the control group, and 73% of patients in both treatment groups, and the difference was not statistically significant. The dose of parenteral morphine required in the PACU was not different between the control (7 +/- 1.2 mg), ibuprofen (5.7 +/- 1.4 mg), and ketorolac (6.1 +/- 1.4 mg) groups. There was no difference between groups in terms of pain visual analog scale (VAS) scores, fatigue VAS scores, recovery times, or the incidence of postoperative nausea and vomiting. The preoperative administration of either parenteral ketorolac or oral ibuprofen did not decrease postoperative pain or side effects when compared to placebo in this outpatient population.
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PMID:Recovery from outpatient laparoscopic tubal ligation is not improved by preoperative administration of ketorolac or ibuprofen. 763 63

A questionnaire was sent to the pharmacies of 88 Finish hospitals with surgical departments to inquire about the consumption of opioids during 1990. Another questionnaire was sent to 480 members of the Finnish Society of Anaesthesiologists to ask how they administer opioids to adult patients. Answers were received from 95% of hospitals and 67% of anaesthetists. Dextropropoxyphene was the most common oral opioid and oxycodone was the most common parenteral opioid used in Finland. Parenteral opioids were consumed almost totally in the hospitals. The anaesthetists reported oxycodone to be the opioid of choice for premedication, postoperative pain and sedation of critically ill patients. Fentanyl was the opioid most commonly used intravenously during balanced anaesthesia and in epidural administration. Epidural opioids were administered by 77% of anaesthetists and patient-controlled analgesia (PCA) technique mostly for intravenous administration by 19%. Only 10% of Finnish anaesthetists were actively involved in the management of chronic pain; the methods they use are discussed. The majority of anaesthetists were satisfied with the currently available opioids.
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PMID:Opioids in anaesthesia: a questionnaire survey in Finland. 791 67

Severe blunt chest trauma can produce multiple rib fractures, flail segments, and pulmonary contusions. All of these injuries produce pain and diminished pulmonary function. The effectiveness of intrapleural and epidural administration of bupivacaine was prospectively evaluated in 19 patients with severe chest trauma. Pain relief and pulmonary function were evaluated for 72 hours after catheter placement. Epidural administration of bupivacaine significantly reduced pain at rest and with motion compared with the intrapleural route (p < 0.05). Parenteral narcotic use was also significantly less in the epidural group (p < 0.05). Negative inspiratory pressure and tidal volume were significantly increased with epidural anesthesia (p < 0.05). Vital capacity, FIO2, minute ventilation, and respiratory rate were not affected. Mild hypotension was a common complication with epidural catheters. We conclude that continuous epidural analgesia is superior to intrapleural block and significantly improves tidal volume and negative inspiratory pressure.
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PMID:Prospective evaluation of epidural versus intrapleural catheters for analgesia in chest wall trauma. 801 10


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