Articles: postoperative-pain.
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Randomized Controlled Trial Comparative Study Clinical Trial
Analgesia-induced respiratory depression: comparison of meptazinol and morphine in the postoperative period.
Forty-nine patients undergoing elective total hip replacement received either morphine or meptazinol for postoperative analgesia from a patient-controlled analgesia apparatus. Ventilatory rate and volume and arterial oxyhaemoglobin saturation were recorded continuously for the first 24 h following surgery. Episodic hypoxaemia was seen in both groups, associated with disturbances in ventilatory pattern. ⋯ The mean number of demands for analgesic drugs was similar in the two groups. The meptazinol group had a greater requirement for anti-emetic drugs than the morphine group (P less than 0.05). It was concluded that meptazinol and morphine in equianalgesic doses had similar effects on ventilation in the postoperative period.
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Regional anesthesia · Sep 1989
Continuous high thoracic epidural administration of bupivacaine with sufentanil or nicomorphine for postoperative pain relief after thoracic surgery.
In a prospective study, 40 patients who had undergone thoracotomy for lung resection were investigated. During operation, all patients received intravenous anesthesics, halothane and an initial dose of bupivacaine 0.5% with epinephrine 5 micrograms.ml-1 (5 to 10 ml) by thoracic epidural catheter. One hour after the initial dose of bupivacaine 0.5% with epinephrine, patients were divided in two groups for analgesia, the sufentanil group (50 micrograms sufentanil in 60 ml bupivacaine 0.125%) or the nicomorphine group (3 mg nicomorphine in 60 ml bupivacaine 0.125%) by a continuous epidural infusion (5 to 10 ml.h-1) for three days. ⋯ An inverse visual analogue pain scale (0 to 10 IVAS) showed mean scores above 7.5 for all patients during the three days. Scoring pain relief during exercise showed a significant difference in favor of the sufentanil group on Days 1, 2, and 3 (p less than 0.0008). The mean plasma bupivacaine level doubled every day, 138 ng.ml-1 on Day 1, 290 ng.ml-1 on Day 2, and 596 ng.ml-1 on Day 3.(ABSTRACT TRUNCATED AT 250 WORDS)
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On the base of a study performed on 34 patients who underwent an amputation since 1981 to 1987, we evaluated the incidence of postamputation syndromes such as phantom limb, phantom pain, stump pain analyzing their variations during 6 years. The patients were divided in 6 groups according to the time gone by from the date of operation. The results reveals a not significant decrease of incidence of postamputation syndromes even though their frequency and intensity show a relative improvement.
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Case Reports
Post-axillary dissection pain in breast cancer due to a lesion of the intercostobrachial nerve.
Seven patients with breast carcinoma and post-axillary dissection pain are described. They complained about pain in the axilla, inner side of the upper arm and/or shoulder. All had undergone a partial or radical breast amputation including an axillary lymph node dissection. ⋯ The pain was not associated with lymphedema and only one patient had undergone radiotherapy to the axillary and supraclavicular area. Post-axillary dissection pain is probably a more appropriate name than the usual post-mastectomy pain for this syndrome. During the dissection, the intercostobrachial nerve is often lesioned, which may give rise to neuropathic pain of that nerve.
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The use of patient-controlled analgesia is described for forty children who had undergone major orthopaedic or general surgery. Ages ranged from 6 to 18 years (mean 11.4 years) and PCA was used for an average of 46.2 hours postoperatively. Morphine requirements overall averaged 40.5 micrograms/kg/hr (SD 22.6). ⋯ Problems with patient-controlled analgesia have been of a minor nature. We conclude that patient-controlled analgesia is a suitable and safe method of pain relief for paediatric patients and that the lower age limit is that at which a child can understand the concept after suitable explanation. In this study children as young as six years were able to successfully use the method.