Articles: pain.
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Sixty-nine patients with chronically incapacitating pain were treated with an implantable stimulator over the posterior columns of the spinal cord. Evaluations at 24, 30 and 34 months showed a progressive decrease in the number of patients considered to have an excellent result. Evaluation of 60 patients with pain of benign origin after implantation of the stimulating device showed only ten patients who could be considered to have an excellent result on the basis of their own report of pain relief. The most common failure of the stimulating devices was failure of stimulation into a painful part.
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Clin. Pharmacol. Ther. · Jul 1975
Clinical Trial Controlled Clinical TrialThe analgesic properties of delta-9-tetrahydrocannabinol and codeine.
The administration of single oral doses of delta-9-tetrahydrocannabinol (THC) to patients with cancer pain demonstrated a mild analgesic effect. At a dose of 20 mg, however, THC induced side effects that would prohibit its therapeutic use including somnolence, dizziness, ataxia, and blurred vision. Alarming adverse reactions were also observed at this dose. THC, 10 mg, was well tolerated and, despite its sedative effect, may analgesic potential.
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Results are reviewed of dorsal column electrical stimulation for chronic pain in a series of 80 patients. In the light of the experience gained from this series, indications and patient suitability for this form of therapy are discussed. Complications occurring after implantation are tabulated.
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Clinical Trial
Post-operative epidural analgesia: effects on lung volumes.
A study was undertaken to assess the role of post-operative pain in reducing Functional Residual Capacity (FRC) and Vital Capacity (VC). The efficacy of post-operative epidural analgesia in reversing these changes was measured in eight subjects after upper abdominal operations. ⋯ These figures indicate the pain component in the post-operative reduction of these two lung capacities. This partial restoration may be of value in the prevention of post-operative pulmonary complications by avoiding closure of small airways during tidal breathing and by increasing the effectiveness of deep breathing and coughing in the removal of secretions and the reversal of atelectasis.