References
Kuniyoshi H, Yamamoto Y, Kimura S, Hiroe T, Terui T, Kase Y. Comparison of the analgesic effects continuous epidural anesthesia and continuous rectus sheath block in patients undergoing gynecological cancer surgery: a non-inferiority randomized control trial. J Anesth. 2021;35:663–70.
Kim DK, Yoon SH, Kim JY, Oh CH, Jung JK, Kim J. Comparison of the effects of sufentanil and fentanyl intravenous patient controlled analgesia after lumbar fusion. J Korean Neurosurg Soc. 2017;60:54–9.
Matsui H, Kanamori M, Terahata N, Miaki K, Makiyama N, Satone T, et al. Significance of patient-controlled analgesia in combination with contin epidural block for patients who underwent posterior lumbar surgery. Eur Spine J. 1998;7:120–4.
Cata JP, Noguera EM, Parke E, Ebrahim Z, Kurz A, Kalfas I, et al. Patientcontrolled epidural analgesia (PCEA) for postoperative pain control after lumbar spine surgery. J Neurosurg Anesthesiol. 2008;20:256–60.
Funding
None.
Author information
Authors and Affiliations
Corresponding author
Ethics declarations
Conflict of interest
We declare no competing interests.
Additional information
Publisher's Note
Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
About this article
Cite this article
Yang, H., Yang, G. & Zhang, Y. Difficulty in evaluating the effect of CEA or CRSB. J Anesth 36, 162–163 (2022). https://doi.org/10.1007/s00540-021-03018-3
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s00540-021-03018-3