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. 2023 Nov 10;17:3281–3293. doi: 10.2147/DDDT.S422356

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© 2023 Li et al.

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Sonography of SQLB before local anesthetic injection (L) and after local anesthetic injection (R).

Note: The white arrow indicates the needle trajectory.

Abbreviations: SQLB, subcostal anterior quadratus lumborum block; QL, quadratus lumborum; ES, erector spinae; LA, local anesthetic; LD, latissimus dorsi; TF transversalis fascia.