Ultrasound-Guided Quadratus Lumborum Block: An Updated Review of Anatomy and Techniques

Table 1

Multidimensional comparison regarding different approaches.

Approach	Analgesia	Technique	Safety	Reference
Anterior; (subcostal)	T10 to L4; (T6-7 to L1-2)	Difficult	Not dangerous	Børglum et al. [8] (Elsharkawy [13])
Posterior	T7 to L1	Not easy	Safe	Blanco et al. [3]
Lateral	T7 to L1	Not easy	Not dangerous	Blanco et al. [3]
Intramuscular	T7 to T12	Easy	Safe	Murouchi et al. [8, 9]