Measurement of cerebrospinal fluid pressure of dogs by use of the fiber optic catheter
2008
Endo, K.(Endo Animal Hospital, Nasushiobara, Tochigi (Japan)) | Hara, Y. | Nezu, Y. | Tagawa, M.
Cerebrospinal fluid pressure (CSFP) in the cervix and lumbar spine was measured percutaneously using a fiberoptic pressure monitor in 28 healthy dogs without neurological abnormalities. The cervical CSFP (C-CSFP) ranged from 2.0 to 12.0 mmHg and its mean was 6.11 mmHg, while the lumber CSFP (L-CSFP) ranged from 2.0 mmHg to 12.0 mmHg and its mean was 5.93 mmHg. The ranges of C-CSFP and L-CSFP were similar. The mean arterial blood pressure (BP) increased from 127.5+-14.1 mmHg to 203.9+-33.3 mmHg immediately after epinephrine administration, then returned to 122.7+-25 mmHg at 30 min after epinephrine administration. The mean C-CSFP was 8.4+-3.4 before epinephrine administration, 10.0+-5.1 and 9.4+-4.8 mmHg at 0 and 30 min after epinephrine administration, respectively. However, the mean L-CSFP was 4.4+-2.8 before epinephrine administration, 4.6+-5.7 and 5.6+-5.0 mmHg at 0 and 30 min after epinephrine administration, respectively. There was no correlation among C-CSFP, L-CSFP, and arterial BP. This study demonstrated that the percutaneous fiberoptic catheter method allows stable and continuous monitoring of CSFP in the spinal canal in dogs.
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