British journal of anaesthesia
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The physiological changes of pregnancy can increase the risk of peri-partum pulmonary aspiration. There is limited objective information regarding gastric volumes in pregnant patients. The aim of this cohort study was to characterise prospectively the range of gastric-fluid volume in term non-labouring pregnant patients compared with a historical cohort of non-pregnant females. ⋯ Baseline gastric volume of non-labouring pregnant patients at term is not significantly different from that of non-pregnant females. This information will be helpful to interpreting findings of gastric point-of-care ultrasound in obstetric patients.
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Perioperative studies of patients following hip fracture have large heterogeneity within their reported outcomes. This study aimed to develop a core outcome set for use in perioperative studies comparing the types of anaesthesia for hip fracture surgery. ⋯ http://www.comet-initiative.org/studies/details/757.
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Retraction Of Publication
Retraction notice to "Infusion of amino acid enriched solution hastens recovery from neuromuscular block caused by vecuronium" [Br J Anaesth 2001; 86: 814-821].
This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). This article has been retracted at the request of the Editor-in-Chief of British Journal of Anaesthesia. The study is retracted for the following reasons: Statistical analysis suggests that the data may be fabricated. Y Saitoh provided a statement in a personal communication to a member of the editorial board of British Journal of Anaesthesia that the study was not approved by the Institutional Review Board and that no evidence exists to support the study findings.
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Observational Study
Role of leucocyte caspase-1 activity in epidural-related maternal fever: a single-centre, observational, mechanistic cohort study.
Epidural-related maternal fever (ERMF) has been reported in ∼26% of labouring women. The underlying mechanisms remain unclear. We hypothesised that ERMF is promoted by bupivacaine disrupting cytokine production/release from mononuclear leucocytes [mononuclear fraction (MNF)]. We examined whether bupivacaine (i) reduces caspase-1 activity and release of the anti-pyrogenic cytokine interleukin (IL)-1 receptor antagonist (IL-1ra), and (ii) is pro-inflammatory through mitochondrial injury/IL-1β. ⋯ Impaired release of anti-pyrogenic IL-1ra might explain ERMF mechanistically. Immunomodulation by bupivacaine during labour could promote ERMF.
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Retraction Of Publication
Retraction notice to "Recoveries of post-tetanic twitch and train-of-four responses after administration of vecuronium with different inhalation anaesthetics and neuroleptanaesthesia" [Br J Anaesth 1993; 70: 402-404].
This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). This article has been retracted at the request of the Editor-in-Chief of British Journal of Anaesthesia. ⋯ Y Saitoh provided a statement in a personal communication to a member of the editorial board of British Journal of Anaesthesia that the study was not approved by the Institutional Review Board and that no evidence exists to support the study findings. Additionally, the Japanese Society of Anesthesiologists has recommended retraction of this article: http://www.anesth.or.jp/english/pdf/news20170925.pdf.