The effect of whole body position on lumbar cerebrospinal fluid opening pressureReport as inadecuate




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Cerebrospinal Fluid Research

, 5:11

First Online: 02 July 2008Received: 24 February 2008Accepted: 02 July 2008

Abstract

We compared cerebrospinal fluid CSF opening pressure measurements in the lumbar subarachnoid space between the flexed position F-OP and relaxed position R-OP in recumbent patients. We devised an equation for using F-OP to determine the existence of raised intracranial pressure ICP. Patients n = 83 underwent lumbar puncture while in the flexed lateral decubitus position and then were moved to the relaxed position. F-OP and R-OP were measured with a water manometer. R-OP > 180 mmH2O plus relevant clinical signs were taken as indicators of raised intracranial pressure. Mean pressures for F-OP and R-OP were 178.54 and 160.52 mmH2O respectively, p <0.001. When F-OP > 180, raised ICP could be significantly over diagnosed. The authors recommend an equation R-OPcalculated, mmH2O = 0.885 × F-OPmeasured, mmH2O or using 200 mmH2O as the threshold for increased ICP with flexed posture.

Electronic supplementary materialThe online version of this article doi:10.1186-1743-8454-5-11 contains supplementary material, which is available to authorized users.

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Author: Pasiri Sithinamsuwan - Nakorn Sithinamsuwan - Sirakarn Tejavanija - Chesda Udommongkol - Samart Nidhinandana

Source: https://link.springer.com/







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