British journal of anaesthesia
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Meta Analysis
Benefit and harm of pregabalin in acute pain treatment: a systematic review with meta-analyses and trial sequential analyses.
Pregabalin has demonstrated anti-hyperalgesic properties and was introduced into acute pain treatment in 2001. Our aim was to evaluate the beneficial and harmful effects of pregabalin in postoperative pain management. We included randomized clinical trials investigating perioperative pregabalin treatment in adult surgical patients. ⋯ Based on trials with low risk of bias, pregabalin may have a minimal opioid-sparing effect, but the risk of SAEs seems increased. However, the GRADE-rated evaluations showed only moderate to very low quality of evidence. Consequently, a routine use of pregabalin for postoperative pain treatment cannot be recommended.
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The objectives of this study were to evaluate the methodological quality of rigorous neuropathic pain assessment tools in applicable clinical studies, and determine the performance of screening tools for identifying neuropathic pain in patients with cancer. ⋯ We identified concordance between the clinician diagnosis and screening tool outcomes for LANSS, DN4 and PDQ in patients with cancer pain. Shortcomings in relation to standardized clinician assessment are likely to account for variation in screening tool sensitivity, which should include the use of the neuropathic pain grading system. Further research is needed to standardize and improve clinical assessment in patients with cancer pain. Until the standardization of clinical diagnosis for neuropathic cancer pain has been validated, screening tools offer a practical approach to identify potential cases of neuropathic cancer pain.
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Non-steroidal anti-inflammatory drugs (NSAIDs) are effective analgesic drugs. Recent studies have indicated a potential beneficial effect on long-term survival outcomes after cancer surgery but a negative impact on anastomotic leaks. The objective of this study was to objectively assess the implications of the perioperative NSAIDs use on anastomotic leaks and cancer recurrence. ⋯ The literature is not conclusive on whether the use of NSAIDs is associated with anastomotic leaks after gastrointestinal cancer surgery. Also, the current evidence is equivocal regarding the effects of short-term NSAIDs on cancer recurrence after major cancer surgery. Three RCTs are being conducted to assess the impact of NSAIDs on cancer recurrence. There are no registered RCTs that are testing the hypothesis of whether the perioperative use of NSAIDs increases the rate of anastomotic leaks.