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Copyright of Colombian Journal of Anesthesiology is the property of Lippincott Williams & Wilkins and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

X-linked adrenoleukodystrophy (X-ALD) belongs to a family of rare diseases due to inborn errors of metabolism. It has a wide spectrum of clinical manifestations that anaesthesiologists should recognise during the perioperative period (respiratory centre dysfunction, hypotonia, adrenal or hepatic failure, gastroesophageal reflux disease, osteopenia, seizures).The case is presented of a 42-year-old X-linked adrenoleukodystrophy female carrier, who underwent combined general and an ultrasound-guided interscalene brachial plexus block anaesthesia for shoulder arthroscopy. Induction was performed with thiopentone and fentanyl, and sevoflurane was used as inhaled maintenance agent. No events were recorded during the procedure. Her post-operative recovery was satisfactory and she was later discharged home., (Copyright © 2018 Sociedad Española de Anestesiología, Reanimación y Terapéutica del Dolor. Publicado por Elsevier España, S.L.U. All rights reserved.)

Familial amyloid polyneuropathy (FAP) is a systemic amyloidosis caused by mutated transthyretin. Cardiac amyloidosis, the major prognostic determinant in systemic amyloidosis, is characterized by infiltration of the myocardium, leading to cardiomyopathy and conduction disturbances. Liver transplantation is the only curative option for patients with FAP. The case is presented of a 36-year-old patient with type i FAP with cardiac involvement, proposed for liver transplant surgery, which was successfully performed without any preoperative event of interest., (Copyright © 2014 Sociedad Española de Anestesiología, Reanimación y Terapéutica del Dolor. Publicado por Elsevier España, S.L.U. All rights reserved.)

This is the first study to use fNIRS to explore anaesthetic depth and awakening during surgery with general anaesthesia. A 16 channel continuous wave (CW) functional near-infrared system (fNIRS) was used to monitor PFC activity. These outcomes were compared to BIS measures. The results indicate that deoxyHb concentration in the PFC varies during the suppression and emergence of consciousness. During suppression, deoxyHb levels increase, signalling the deactivation of the PFC, while during emergence, deoxyHb concentration drops, initiating PFC activation and the recovery of consciousness. Furthermore, BIS and deoxyHb concentrations in the PFC display a high negative correlation throughout the different anaesthetic phases. These findings suggest that deoxyHb could be a reliable marker for monitoring anaesthetic depth, and that the PFC intervenes in the suppression and emergence of consciousness., (© 2013 Elsevier Inc. All rights reserved.)