Document Detail


Transcranial doppler monitoring of intracranial pressure therapy with mannitol, sorbitol and glycerol in patients with acute stroke.
MedLine Citation:
PMID:  9813404     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
INTRODUCTION: The noninvasive management of the conservative therapy for intracranial pressure (ICP) with hyperosmolar substances is a central problem in the treatment of brain edema. Using transcranial Doppler (TCD), a continuous monitoring of ICP is now possible, because the TCD pulsatility index (PI) intraindividually closely correlates with the level of ICP. PATIENTS AND METHODS: We administered an ICP-lowering treatment 113 times in 10 patients with intracranial bleeding or ischemic stroke who also had signs of elevated ICP in the computer tomogram. The treatment was carried out over a period of 9 days, using 50 g each of intravenous sorbitol (n = 38) and mannitol (n = 32) or oral glycerol (n = 43). RESULTS: PI was significantly lowered between 20.0 and 23.9% (p < 0.01) by all substances in the affected and unaffected sides. The differences between the three substances and the differences between the affected and unaffected sides were not significant. The duration of the therapeutic effect of glycerol (190 +/- 41 min) was significantly longer (p < 0.01) than that of sorbitol (150 +/- 28 min) or mannitol (130 +/- 20 min). The duration of the therapeutic effect was also significantly shorter (p < 0.01) in patients with a high PI (> 1.5). All three substances led to a significant increase (p < 0.01) in minimal (= diastolic) flow velocity (Vmin). The increase was highest for glycerol (56.3 +/-72.6%). SUMMARY: The decrease in PI under therapy was caused by an increase in Vmin. This indicates that ICP therapy with hyperosmolar substances improves brain edema and does not suggest a therapy-induced vasoconstriction.
Authors:
J Treib; S C Becker; M Grauer; A Haass
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  European neurology     Volume:  40     ISSN:  0014-3022     ISO Abbreviation:  Eur. Neurol.     Publication Date:  1998 Nov 
Date Detail:
Created Date:  1999-01-19     Completed Date:  1999-01-19     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0150760     Medline TA:  Eur Neurol     Country:  SWITZERLAND    
Other Details:
Languages:  eng     Pagination:  212-9     Citation Subset:  IM    
Affiliation:
Department of Neurology, University of the Saarland, Homburg, Germany. nejtre@krzsun.med-rz.uni-sb.de
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MeSH Terms
Descriptor/Qualifier:
Acute Disease
Aged
Cerebrovascular Disorders / diagnosis,  drug therapy*,  physiopathology
Female
Glycerol / therapeutic use*
Humans
Intracranial Pressure / drug effects*
Male
Mannitol / therapeutic use*
Middle Aged
Monitoring, Physiologic / methods
Osmolar Concentration
Sorbitol / therapeutic use*
Tomography, X-Ray Computed
Ultrasonography, Doppler, Transcranial*
Chemical
Reg. No./Substance:
50-70-4/Sorbitol; 56-81-5/Glycerol; 69-65-8/Mannitol

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