Articles: pain.
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Reg Anesth Pain Med · May 2006
Meta AnalysisThe analgesic effects of perioperative gabapentin on postoperative pain: a meta-analysis.
Gabapentin is an anticonvulsant that has been shown to be effective in the treatment of neuropathic and inflammatory pain in animal and human studies. The analgesic effect of its perioperative use has not been fully elucidated. ⋯ Based on this systematic review, perioperative oral gabapentin is a useful adjunct for the management of postoperative pain that provides analgesia through a different mechanism than opioids and other analgesic agents and would make a reasonable addition to a multimodal analgesic treatment plan.
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Gabapentin's role in the treatment of chronic neuropathic pain is well known. What is less well established is its role for managing postoperative pain. In order to clarify whether gabapentin's utility in acute pain control is more than just theoretical, we conducted a meta-analysis of all randomized trials that addressed gabapentin's role in acute postoperative pain control. We specifically addressed whether gabapentin reduces pain scores, analgesia consumption, and/or analgesia-related side effects in the first 24 hr following surgery. ⋯ Although gabapentin given preoperatively decreases pain scores and analgesic consumption in the first 24 hr after surgery, the clinical significance of this finding has yet to be determined. This meta-analysis could not demonstrate a significant reduction in the incidence of side effects. Due to the small numbers enrolled in the studies, larger randomized control trials are warranted.
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To evaluate the efficacy and tolerability of oxycodone in cancer-related pain, we conducted a systematic review of randomized controlled trials. Four studies, comparing oral oxycodone with either oral morphine (n = 3) or oral hydromorphone (n = 1), were suitable for meta-analysis. ⋯ In meta-regression analyses, pain scores were higher for oxycodone compared with morphine (0.20; 95% CI, -0.04 to 0.44) and lower compared with hydromorphone (-0.36; 95% CI, -0.71 to 0.00), although these effect sizes were small. The efficacy and tolerability of oxycodone are similar to morphine, supporting its use as an opioid for cancer-related pain.
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Review Meta Analysis Comparative Study
A comparison of the analgesic efficacy and side-effects of paravertebral vs epidural blockade for thoracotomy--a systematic review and meta-analysis of randomized trials.
Epidural analgesia is considered by many to be the best method of pain relief after major surgery. It is used routinely in many thoracic surgery centres. Although effective, side-effects include hypotension, urinary retention, incomplete (or failed) block, and, in rare cases, paraplegia. ⋯ Rates of failed block were lower in the PVB group, OR 0.28 (0.2, 0.6). PVB and epidural analgesia provide comparable pain relief after thoracic surgery, but PVB has a better side-effect profile and is associated with a reduction in pulmonary complications. PVB can be recommended for major thoracic surgery.
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J Pain Symptom Manage · Apr 2006
Review Meta AnalysisSpinal cord stimulation for critical leg ischemia: a review of effectiveness and optimal patient selection.
Patients suffering from inoperable critical leg ischemia (CLI) ultimately face a major amputation. Spinal cord stimulation (SCS) has been introduced as a possible treatment option. This paper presents the best available evidence from a systematic review on the effectiveness of SCS in these patients and discusses the indications for SCS therapy. ⋯ These positive effects have to be weighed against the higher costs and (generally minor) complications of SCS. TcpO(2) measurements were found to be useful in selecting the most respondent patients, yielding a 12-month limb salvage up to 83%. Hence, SCS should be considered as a possible treatment option in patients with CLI, particularly if their foot TcpO(2) is between 10 and 30 mmHg.