Thermosensitive determination of patency in lumboperitoneal shunts. Technical note |
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| Authors: | Y Ishiwata Y Chiba T Yamashita G Gondo K Ide T Kuwabara |
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| Affiliation: | Department of Neurosurgery, Kanagawa Prefectural Ashigarakami Hospital, Japan. |
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| Abstract: | Surface cooling and thermistor recording over shunt tubing was used in 23 studies of cerebrospinal fluid shunt patency in 19 patients with lumboperitoneal shunts and normal-pressure hydrocephalus. Shunt patency was shown by downward reflection of the recording trace similar to that obtained for ventriculoperitoneal shunts. Obstruction was demonstrated by a flat-line recording or an upward deflection. |
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