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Prostacyclin Infusion May Prevent Secondary Damage in Pericontusional Brain Tissue

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Abstract

Background

Prostacyclin is a potent vasodilator, inhibitor of leukocyte adhesion, and platelet aggregation, and has been suggested as therapy for cerebral ischemia. A case of focal traumatic brain lesion that was monitored using intracerebral microdialysis, and bedside analysis and display is reported here. When biochemical signs of cerebral ischemia progressed, i.v. infusion of prostacyclin was started.

Methods

Two microdialysis catheters were placed in the penumbra zones surrounding evacuated focal brain contusions. The samples were analyzed for glucose, pyruvate, lactate, glutamate, and glycerol.

Results

When biochemical deterioration indicated progressive secondary ischemia (increase in lactate/pyruvate ratio, decrease in glucose, and increase in glutamate levels), continuous infusion of prostacyclin (0.5–1.0 ng kg−1 min−1 i.v.) was started. The treatment resulted in an improvement of the lactate/pyruvate ratios and a normalization of the interstitial levels of glucose and glutamate. The glycerol levels remained within normal limits indicating that degradation of cellular membranes had not occurred.

Conclusion

The above case supports the view that new therapies directed toward protection of the sensitive biochemical penumbra zones surrounding focal brain lesions may be evaluated by intracerebral microdialysis.

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Acknowledgments

The study was supported by grants from the Swedish Medical Research Council (14X-003574-28D), and Lund University Hospital. We thank Katarina Nielsen, Department of Neurosurgery, Lund University Hospital, for her help with the microdialysis equipment and biochemical analyses.

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Authors and Affiliations

  1. Department of Intensive & Perioperative Care, Lund University Hospital, Lund, Sweden

    Peter Reinstrup

  2. Department of Neurosurgery, Odense University Hospital, Odense, Denmark

    Carl-Henrik Nordström

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  1. Peter Reinstrup
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  2. Carl-Henrik Nordström
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Correspondence to Carl-Henrik Nordström.

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Reinstrup, P., Nordström, CH. Prostacyclin Infusion May Prevent Secondary Damage in Pericontusional Brain Tissue. Neurocrit Care 14, 441–446 (2011). https://doi.org/10.1007/s12028-010-9486-3

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  • DOI: https://doi.org/10.1007/s12028-010-9486-3

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