• Acta Neurochir. Suppl. · Jan 2003

    Review

    Volume-targeted therapy of increased intracranial pressure.

    • C H Nordström.
    • Department of Neurosurgery, Lund University Hospital, Lund, Sweden. carl-henrik.nordstrom@neurokir.lu.se
    • Acta Neurochir. Suppl. 2003 Jan 1; 86: 355-60.

    AbstractFluid exchange across the intact blood-brain barrier (BBB) is counteracted by the low permeability to crystalloids (mainly Na+ and Cl-) combined with the high osmotic pressure (5,700 mm Hg) on both sides of the BBB. If the BBB is disrupted transcapillary water transport will be determined by the differences in hydrostatic and colloid osmotic pressure between the intra- and extracapillary compartments. Under these pathological conditions pressure autoregulation of cerebral blood flow is likely to be impaired and intracapillary hydrostatic pressure will depend on variations in systemic blood pressure. The volume targeted "Lund concept" can be summarized under four headings: A. Reduction of stress response and cerebral energy metabolism: B. Reduction of capillary hydrostatic pressure; C. Maintenance of colloid osmotic pressure and control of fluid balance: D. Reduction of cerebral blood volume. The efficacy of the protocol has been evaluated in experimental and clinical studies regarding the physiological and biochemical (utilizing intracerebral microdialysis) effects and the clinical experiences have been favourable.

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