[2]Lima A, Bakker J. Clinical monitoring of peripheral perfusion: what do we see and what can we measure?[J]. Critical Care, 2017, 21(Suppl 3): 312.
[3]Ginosar Y, Weiniger CF, Kurz V, et al. Perfusion index as a predictor of sympathectomy following neuraxial blockade: a prospective observational study[J]. Anesthesia & Analgesia, 2018, 126(3): 981-987.
[7]van Helmond N, Aarts LPHJ, Timmerman H, et al. The perfusion index as a predictor of successful spinal cord stimulation in patients with failed back surgery syndrome[J]. Neuromodulation, 2019, 22(8): 918-923.
