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[Cerebral perfusion pressure in acute blood pressure decrease with hyperosmolar sorbitol in anesthesia conditions].

B Panning1, D Stolke

  • 1Abt. Anästhesiologie II, Medizinische Hochschule Hannover.

Neurochirurgia
|March 1, 1990
PubMed
Summary
This summary is machine-generated.

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Osmotherapy using sorbitol during intracranial surgery lowers blood pressure without reducing cerebral perfusion pressure. In patients with high intracranial pressure (ICP), sorbitol actually increases cerebral perfusion pressure, making it a safe choice for managing blood pressure during surgery.

Area of Science:

  • Neurosurgery
  • Anesthesiology
  • Pharmacology

Context:

  • Intracranial surgery often involves managing arterial blood pressure and intracranial pressure (ICP).
  • Osmotherapy agents like sorbitol are used to reduce ICP.
  • Hypertensive responses during the initial phase of craniotomy require careful management.

Purpose:

  • To investigate the effect of sorbitol osmotherapy on arterial blood pressure and cerebral perfusion pressure (CPP) during intracranial surgery.
  • To determine the safety and efficacy of sorbitol in patients with elevated ICP.

Summary:

  • Intraoperative infusion of sorbitol 40% (3 ml/kg) in 8 patients undergoing intracranial surgery led to a significant decrease in arterial blood pressure.
  • Despite the drop in arterial pressure, cerebral perfusion pressure (CPP) did not decrease and, in patients with severely elevated ICP (>30 mmHg), CPP actually increased.

Related Experiment Videos

  • This effect is attributed to a simultaneous decrease in both arterial and intracranial pressure.

    • Impact:

    • Sorbitol can be safely used as an antihypertensive agent during the initial phase of craniotomy before dura opening.
    • Findings suggest sorbitol is a valuable option for managing hypertensive dysregulation in neurosurgical patients.
    • This study provides evidence for the beneficial effects of sorbitol on CPP in specific patient populations during surgery.