No significant difference in post-op pain with pre-incision or post-incision scalp block
A recent meta-analysis reviewed that Scalp block reduces the pain intensity scores, duration for the first request of rescuer analgesia, and the necessity of fewer analgesic drugs in the first 12 h after craniotomy but the severity of postoperative pain remains the same for pre-incision and post-incision scalp block. The study was published in the journal Frontiers Surgery.
A craniotomy is an effective treatment of various cerebral diseases and injuries, and postoperative pain which is majorly somatic is an important clinical concern among the varied. This pain can lead to brain hyperemia and elevated intracranial pressure. Considering the side effects of opioids, several studies have been conducted to investigate the effect of local anesthetics, especially the scalp block, on postoperative pain. However, the strength of the evidence supporting this practice for postoperative pain after craniotomy was unclear, and the best occasion of scalp block was also not identified. Hence, researchers conducted a meta-analysis to evaluate the efficacy, safety, and the best occasion of scalp block for postoperative pain after craniotomy.
Using keywords databases like PubMed, Embase, and the Cochrane Library were searched from inception to October 10, 2021, for all randomized controlled trials evaluating the effect of scalp block on postoperative pain after craniotomy. Data were assessed by StataMP 16 software. A random-effects model was used to analyze all data.
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