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Int J Obstet Anesth · Nov 2024
ReviewAnaesthetic management of obstetric patients with Chiari type I malformation: a retrospective case series and literature review.
- A Simpson and C Ferguson.
- Department of Anaesthetics, Royal Infirmary of Edinburgh, Edinburgh, United Kingdom. Electronic address: alistair.simpson@nhslothian.scot.nhs.uk.
- Int J Obstet Anesth. 2024 Nov 1; 60: 104232104232.
AbstractThe peripartum management of obstetric patients with Chiari type I malformation remains a challenge due to the degree of cerebellar tonsillar herniation and a paucity of published evidence. There is concern about neuraxial anaesthetic blocks and uncertainty regarding the optimum mode of delivery. We systematically searched the literature for the obstetric management of patients with Chiari type I malformation, independent of publication date and language. We also searched our local hospital database from December 2009 to December 2022 for all deliveries to patients with this condition. We identified 137 cases comprising 103 deliveries described in 40 publications that met our inclusion criteria; 34 deliveries were identified in our local database. There were 84 spontaneous vaginal deliveries, 52 caesarean deliveries, and one delivery by unknown modality. Sixty neuraxial blocks were performed; approximately half of these were epidural procedures for labour analgesia. Six patients had new or worsened symptoms following delivery, but it is unclear whether these were related to their Chiari malformation. We identified no cases with brainstem herniation or severe symptoms. We discuss our findings in relation to other published literature and address the concerns described. Our review reveals the use of a variety of modes of delivery and anaesthetic techniques and that most patients suffered no neurological complication. We conclude there is no of evidence to avoid any one approach to labour analgesia, delivery and anaesthesia. We propose a holistic, individualised and patient-centred approach with an appraisal of the risks and benefits to support shared-decision making.Copyright © 2024 Elsevier Ltd. All rights reserved.
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