Importance of the transversalis fascia in relation to a successful application of the transmuscular quadratus lumborum block

We sincerely thank Li et al [1][1] for their academic interest and comments regarding our recently published article: ‘Transmuscular quadratus lumborum block reduces opioid consumption and prolongs time to first opioid demand after laparoscopic nephrectomy’.[2][2] We greatly appreciate and