Critical Care and Shock

Lactic acid’s role in sodium hypertonic lactic solution as a neuroprotector measured from the level of ATP, MCT-1 and necrosis area in intracerebral hematoma rats model

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Objective: To discover the role of hypertonic sodium lactate (HSL) as the energy source, which in turn will act as a neuroprotector, by measuring adenosine triphosphate (ATP) level, monocarboxylate transporter 1 (MCT-1) and the extent of the necrotic areas.

Design: This was an experimental study that used randomized post-test only control group design.

Setting: Experimental Animal Care Unit Universitas Gadjah Mada.

Patient and participant: 32 white mice of Rattus norvegicus.

Intervention: After the protocol of this study was approved by the research ethic committee, 32 rats were randomly divided into two groups: HSL group (n=16) and NaCl 3% group (n=16) as the control group. Both groups were anesthetized using conversion-dose pentothal.

Results: ATP level in HSL group was higher compared to the control group (p=0.031). MCT-1 in HSL group was also higher than the control group (p=0.010). Necrotic areas were less extensive in the HSL group than the control group (p=0.000). Lactate levels at minute 30 (T30) and minute 360 (T360) increased in the HSL group, while increasing in the control group up to T30, then decreased gradually until T360.

Conclusion: Exogenous lactate in solution has effect as a neuroprotective of brain in the intracerebral hemorrhage (ICH).