Sodium Lactate and Brain Relaxation (LSD)

Summary

Resection surgery of brain tumors by craniotomy requires efficient brain relaxation intraoperatively in order to avoid injuries caused by the brain retractors (such as ischemic-reperfusion and cerebral oedema). The gold standard for the brain relaxation during a surgery is Mannitol 20%. Molar sodium lactate is now used to induce brain relaxation in patients with traumatic brain injury and intracranial hypertension due to its osmotic effect. Furthermore, the injection of sodium lactate may lead to better neuronal metabolism during cerebral aggression, and may participate to the reduction of cerebral oedema and secondary injuries. LSD is a pilot randomised trial which tries to assess the interest of intravenous administration of molar Sodium Lactate on the quality of brain relaxation in surgical resection of supratentorial brain tumors by craniotomy. The primary outcome measure is the quality of brain relaxation, evaluated by neurosurgeon at the opening of the dura, by a validated brain relaxation scale.

Timeline

Start

2020-09-29

Primary completion

2023-05-31

Completion

2023-06-30

Publications

• Background Todd MM, Warner DS, Sokoll MD, Maktabi MA, Hindman BJ, Scamman FL, Kirschner J. A prospective, comparative trial of three anesthetics for elective supratentorial craniotomy. Propofol/fentanyl, isoflurane/nitrous oxide, and fentanyl/nitrous oxide. Anesthesiology. 1993 Jun;78(6):1005-20. doi: 10.1097/00000542-199306000-00002.
• Besch G, Thines L, Bronnert R, Boitel A, Scaringella N, Hammoudi F, Hamdan N, Charpentier H, Villeneuve J, Clairet AL, Vettoretti L, Ferreira D, Berthier F, Pili-Floury S. Clinical effectiveness of intravenous hypertonic sodium lactate infusion for intra-operative brain relaxation in supratentorial brain tumour surgery: A double-blind randomised phase II pilot study. Eur J Anaesthesiol. 2026 May 8. doi: 10.1097/EJA.0000000000002414. Online ahead of print.
• Besch G, Parmentier AL, Berthier F, Jaeg H, Villeneuve J, Hammoudi F, Scaringella N, Clairet AL, Vettoretti L, Chopard G, Thines L, Ferreira D, Samain E, Pili-Floury S. Clinical effectiveness of hypertonic sodium lactate infusion for intraoperative brain relaxation in patients undergoing scheduled craniotomy for supratentorial brain tumor resection: A study protocol of a single center double-blind randomized controlled phase II pilot trial. Medicine (Baltimore). 2022 Oct 7;101(40):e31038. doi: 10.1097/MD.0000000000031038.

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