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Evidence Review F: Opioids for Pain Relief After Caesarean Birth

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Evidence Review F: Opioids for Pain Relief After Caesarean Birth National Institute for Health and Care Excellence FINAL Caesarean birth [F] Opioids for pain relief after caesarean birth NICE guideline NG192 Evidence review March 2021 Final This evidence review was developed by the National Guideline Alliance which is a part of the Royal College of Obstetricians and Gynaecologists FINAL Contents Disclaimer The recommendations in this guideline represent the view of NICE, arrived at after careful consideration of the evidence available. When exercising their judgement, professionals are expected to take this guideline fully into account, alongside the individual needs, preferences and values of their patients or service users. The recommendations in this guideline are not mandatory and the guideline does not override the responsibility of healthcare professionals to make decisions appropriate to the circumstances of the individual patient, in consultation with the patient and/or their carer or guardian. Local commissioners and/or providers have a responsibility to enable the guideline to be applied when individual health professionals and their patients or service users wish to use it. They should do so in the context of local and national priorities for funding and developing services, and in light of their duties to have due regard to the need to eliminate unlawful discrimination, to advance equality of opportunity and to reduce health inequalities. Nothing in this guideline should be interpreted in a way that would be inconsistent with compliance with those duties. NICE guidelines cover health and care in England. Decisions on how they apply in other UK countries are made by ministers in the Welsh Government, Scottish Government, and Northern Ireland Executive. All NICE guidance is subject to regular review and may be updated or withdrawn. Copyright © NICE 2021. All rights reserved. Subject to Notice of Rights. ISBN: 978-1-4731-4052-3 FINAL Contents Contents Opioids for pain relief ......................................................................................................... 6 Review question ............................................................................................................. 6 Introduction ........................................................................................................... 6 Summary of the protocol ....................................................................................... 6 Methods and process ............................................................................................ 7 Clinical evidence ................................................................................................... 7 Summary of clinical studies included in the evidence review ................................. 8 Quality assessment of clinical outcomes included in the evidence review ............. 9 Economic evidence ............................................................................................... 9 Economic model .................................................................................................... 9 Evidence statements ............................................................................................. 9 PHARMACOLOGICAL INTERVENTIONS ........................................................... 10 Comparison 1. Oxycodone (oral) versus tapentadol (oral) ................................... 10 Comparison 2. Fentanyl (IV PCA) versus tramadol (IV PCA) ............................... 10 Comparison 3. Morphine (IM or IV PCA) versus meperidine (IM or IV PCA) ........ 11 MODE OF DELIVERY ......................................................................................... 12 Comparison 4. IV PCA versus continuous infusion (tramadol in both arms) ........ 12 Comparison 5. IV PCA versus oral (oxycodone in both arms) ............................. 12 Comparison 6. IV PCA versus intramuscular (IM) (meperidine or morphine) ....... 13 Comparison 7. Oral fixed timing versus oral on-demand (tramadol in both arms) ....................................................................................................... 14 Comparison 8. Oral versus IM (morphine in both arms) ....................................... 15 COMPLEX (MULTIPLE) INTERVENTIONS ........................................................ 15 Comparison 9. IV morphine versus oral oxycodone ............................................. 15 Comparison 10. IV PCA meperidine versus IM morphine .................................... 16 Comparison 11. IV PCA morphine versus IM meperidine .................................... 17 The committee’s discussion of the evidence ........................................................ 18 References .......................................................................................................... 20 Appendices ........................................................................................................................ 23 Appendix A – Review protocol ...................................................................................... 23 Review protocol for review question: Are opioids safe and effective for pain management after caesarean birth? ......................................................... 23 Appendix B – Literature search strategies .................................................................... 29 Literature search strategies for review question: Are opioids safe and effective for pain management after caesarean birth? ............................................ 29 Review question search strategies ...................................................................... 29 Health economics search strategies .................................................................... 32 Appendix C – Clinical evidence study selection ............................................................ 35 4 FINAL Contents Clinical study selection for review question: Are opioids safe and effective for pain management after caesarean birth? ................................................. 35 Appendix D – Clinical evidence tables .......................................................................... 36 Clinical evidence tables for review question: Are opioids safe and effective for pain management after caesarean birth? ................................................. 36 Table 4: Clinical evidence tables for opioids as pain relief ................................... 36 Appendix E – Forest plots............................................................................................. 59 Forest plots for review question: Are opioids safe and effective for pain management after caesarean birth? ......................................................... 59 Appendix F – GRADE tables ........................................................................................ 62 GRADE tables for review question: Are opioids safe and effective for pain management after caesarean birth? ......................................................... 62 PHARMACOLOGICAL INTERVENTIONS ........................................................... 62 COMPLEX (MULTIPLE) INTERVENTIONS ........................................................ 78 Appendix G – Economic evidence study selection ........................................................ 83 Economic evidence study selection for review question: Are opioids safe and effective for pain management after caesarean birth? .............................. 83 Appendix H – Economic evidence tables ...................................................................... 84 Economic evidence tables for review question: Are opioids safe and effective for pain management after caesarean birth? ............................................ 84 Appendix I – Economic evidence profiles ..................................................................... 85 Economic evidence profiles for review question: Are opioids safe and effective for pain management after caesarean birth? ............................................ 85 Appendix J – Economic analysis .................................................................................. 86 Economic evidence analysis for review question: Are opioids safe and effective for pain management after caesarean birth? .............................. 86 Appendix K – Excluded studies .................................................................................... 87 Excluded studies for review question: Are opioids safe and effective for pain management after caesarean birth? ......................................................... 87 Clinical studies .................................................................................................... 87 Economic studies ................................................................................................ 91 Appendix L – Research recommendations ................................................................... 92 Research recommendations for review question: Are opioids safe and effective for pain management after caesarean birth? .............................. 92 5 FINAL Opioids for pain relief Opioids for pain relief Review question Are opioids safe and effective for pain management after caesarean birth? Introduction The previous NICE guideline recommended ‘patient-controlled analgesia (PCA) using opioid analgesics should be offered after caesarean birth (CB) because it improves pain relief.’ However, this recommendation was withdrawn in August 2019 because of safety concerns, particularly regarding the use of patient-controlled opioids in women who have received intrathecal
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