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. 2006 Feb;27(2):354-5.

Recording CSF pressure with a transducer-tipped wire in an animal model of Chiari I

A Turk  1 , B J Iskandar, V Haughton, D Consigny
Affiliations

Recording CSF pressure with a transducer-tipped wire in an animal model of Chiari I

A Turk et al. AJNR Am J Neuroradiol. 2006 Feb.

Abstract

In dogs, a wire with a pressure-sensitive transducer was inserted percutaneously into the subarachnoid space and manipulated under fluoroscopic monitoring in the posterior fossa or upper cervical spinal canal. Pressure recordings from the wire showed fluctuations in pressure corresponding to the cardiac cycle. When a balloon was distended in the foramen magnum, maximum and minimum pressures increased. Continuous monitoring of CSF pressure remote from the site of cannulation was feasible with a wire-based pressure transducer.

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Figures

Fig 1.
Fig 1.
Placement of the balloon catheter and Radi wire in the subarachnoid space in one dog.
Fig 2.
Fig 2.
CSF systolic, diastolic, mean, and pulse pressures in the CSF in dog 2 before and after inflation of the balloon catheter in the subarachnoid space.
See this image and copyright information in PMC

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