fiberoptic catheter
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2011 ◽  
Vol 63 (6) ◽  
pp. 1315-1322 ◽  
Author(s):  
N. Nunes ◽  
A.V. Leite ◽  
D.P. Paula ◽  
C.T.D. Nishimori ◽  
A.P. Souza ◽  
...  

The effects of subarachnoid administration of iohexol on intracranial hemodynamic in dogs anesthetized with propofol or sevoflurane were evaluated. Thirty adult animals (10.9±2.9kg) were distributed into two groups: PG, where propofol was used for induction (10±0.5mg/kg), followed by a continuous rate infusion at 0.55±0.15mg/kg/hour, and SG, where sevoflurane was administered for induction (2.5 MAC) and for anesthetic maintenance (1.5 MAC). A fiberoptic catheter was implanted on the right superficial cerebral cortex to monitor intracranial pressure (ICP). After 30 minutes, cerebrospinal fluid (CSF) was collected at the cisterna magna and iohexol was injected. The measurements were performed before CSF collection (TA), after the iohexol injection (T0), and at 10-minute intervals (T10 to T60). Intracranial pressure decreased at T0 in SG. Cerebral perfusion pressure at T0 was higher than at TA, T50 and T60 in PG, but in SG, the mean value at T0 was higher than the ones from T20 to T60. Mean arterial pressure at T0 was higher than at TA in PG, while in SG, the values from T20 to T60 were lower than at T0. The heart rate at T60 was lower than at T0 in PG. Cardiac output at TA was lower than at T60 in SG. The cerebrospinal fluid collection and administration of iohexol promoted decrease in intracranial pressure in sevolflurane-anesthetized dogs and increase in cerebral perfusion pressure in propofol-anesthetized dogs.


Critical Care ◽  
2009 ◽  
Vol 13 (Suppl 1) ◽  
pp. P234
Author(s):  
D Chiumello ◽  
V Berto ◽  
C Mietto ◽  
M Botticelli ◽  
M Chierichetti ◽  
...  

2004 ◽  
Vol 19 (1) ◽  
pp. 15-20 ◽  
Author(s):  
C. J. de Lima ◽  
S. Sathaiah ◽  
M. T. T. Pacheco ◽  
R. A. Zângaro ◽  
R. Manoharan
Keyword(s):  

2001 ◽  
Vol 49 (3) ◽  
pp. 162-166 ◽  
Author(s):  
D. Baykut ◽  
M. M. Gebhard ◽  
H. Bölükoglu ◽  
K. Kadipasaoglu ◽  
S. Hennes ◽  
...  

Neurosurgery ◽  
1999 ◽  
Vol 44 (6) ◽  
pp. 1280-1285 ◽  
Author(s):  
Linda Howard ◽  
Shankar P. Gopinath ◽  
Masahiko Uzura ◽  
Alex Valadka ◽  
Claudia S. Robertson

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