Reply to the letter to the Editor

Sotelo Ciudad CW. Subarachnoid opioids for cesarean section. Letter to the Editor. Colombian Journal of Anesthesiology. 2021;49:e982. doi: https://doi.org/10.5554/22562087.e982

Osorio-Gutiérrez CI, Ortiz-Gómez GA, Valencia-Ríos JF, Arango-Gómez F. Comparison among subarachnoid opioid mix for cesarean section – An observational study. Colombian Journal of Anesthesiology. 20204;1-9. doi: https://doi.org/10.5554/22562087.e940

Abouleish E, Rawal N, Fallon K, Hernández D. Combined intrathecal morphine and bupivacaine for cesarean section. Anesth Analg. 1988;67(4):370-4. doi: https://doi.org/10.1213/00000539-198804000-00014

Bucklin B, Santos A. Local anesthetics and opioids. Chestnut’s Obstetric Anesthesia Principles and Practice. Elsevier Inc.; 2021. p. 271-311. A

Reynolds F. Analgesia in labour and fetal acid–base balance: a meta-analysis comparing epidural with systemic opioid analgesia. BJOG An Int J Obstet Gynaecol. 2002;109(12):1344-53. doi: https://doi.org/10.1046/j.1471-0528.2002.01461.x

Sharpe EE, Molitor RJ, Arendt KW, Torbenson VE, Olsen DA, Johnson RL, et al. Intrathecal morphine versus intrathecal hydromorphone for analgesia after cesarean delivery. Anesthesiology. 2020;132(6):1382-91. doi: https://doi.org/10.1097/ALN.0000000000003283

Puhto T, Kokki M, Hakomäki H, Spalding M, Gunnar T, Alahuhta S, et al. Single dose epidural hydromorphone in labour pain: maternal pharmacokinetics and neonatal exposure. Eur J Clin Pharmacol. 2020;76(7):969-77. doi: https://doi.org/10.1007/s00228-020-02880-6

Gin T. Farmacología durante el embarazo y la lactancia. En: Chestnut DH, editor. Anestesia obstétrica. Principios y práctica. Elsevier; 2020.