Comparison of the analgesic efficacy of superficial and deep serratus anterior plane blocks in patients undergoing breast cancer surgery: a prospective randomized single blind study.

BMC Anesthesiol · 2026 · PMC12888513 · PMID 41540334

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This mechanism may be significant for rib fracture analgesia, since tissue distribution due to trauma can facilitate spread to muscles and deeper planes, such as the intercostal space [ 26 ].

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