International journal of obstetric anesthesia
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Int J Obstet Anesth · Nov 2019
Review Meta AnalysisInduction opioids for caesarean section under general anaesthesia: a systematic review and meta-analysis of randomised controlled trials.
Remifentanil and alfentanil effectively reduce the pressor response to intubation for general anaesthesia cesarean section, without depressing neonatal Apgar scores.
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Int J Obstet Anesth · Nov 2019
Meta AnalysisCarbetocin reduces the need for additional uterotonics in elective caesarean delivery: a systematic review, meta-analysis and trial sequential analysis of randomised controlled trials.
Carbetocin has been found to be superior to oxytocin in terms of need for additional uterotonics and prevention of postpartum haemorrhage at caesarean delivery. However, this is based on combined data from labouring and non-labouring parturients and it remains unclear how effective carbetocin is in the purely elective setting. The aim of this review was to compare carbetocin to oxytocin in elective caesarean delivery. ⋯ Carbetocin is associated with a reduced need for additional uterotonics when compared with oxytocin at elective caesarean delivery. Standardisation of bleeding-related outcomes in studies is necessary to facilitate synthesis of data in future analyses.
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Int J Obstet Anesth · Nov 2019
ReviewLocal anaesthetic techniques for post-caesarean delivery analgesia.
In this narrative review we summarise pertinent data from published studies investigating the use of local anaesthetic techniques as adjuncts for managing post-caesarean delivery pain. Based on currently available evidence, ultrasound-guided transversus abdominis plane (TAP), quadratus lumborum (QL) and ilio-inguinal and iliohypogastric (ILIH) blocks are preferable to landmark techniques. When intrathecal morphine is used for caesarean delivery analgesia, TAP blocks do not confer any additional benefit. ⋯ Quadratus lumborum and ILIH blocks show promising results but the data are limited, so recommendations for routine use cannot be made. In summary, evidence supports the use of local anaesthetic techniques for post-caesarean delivery pain but additional research is required to determine the optimum dosing regimens, and the potential role of liposomal local anaesthetics. Further studies are required to compare techniques and determine their role in conjunction with low-dose long-acting neuraxial opioids.
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Int J Obstet Anesth · Nov 2019
Observational StudyLabor epidural analgesia onset time and subsequent analgesic requirements: a prospective observational single-center cohort study.
We investigated the correlation between lumbar epidural analgesia onset time and pain intensity at 60 and 120 min after initiation. ⋯ There was a correlation between the onset time of lumbar epidural analgesia during labor and the pain score 60 min later but this had disappeared by 120 min.
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Int J Obstet Anesth · Nov 2019
ReviewSystemic adjunct analgesics for cesarean delivery: a narrative review.
It is critical to adequately treat postoperative cesarean delivery pain. The use of parenteral or neuraxial opioids has been a mainstay, but opioids have side effects that can be troubling and the opioid crisis in the United States has highlighted the necessity to utilize analgesics other than opioids. Other analgesic options include neuraxial analgesics, nerve blocks such as the transversus abdominis plane block, and non-opioid parenteral and oral medications. The goal of this article is to review non-opioid systemic analgesic adjuncts following cesarean delivery, focusing on their efficacy and side effects as well as their impact on reduction of opioid requirements after surgery.