| The Effects of Several Anesthetics on Intraocular Pressure. |
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Kun Jung Lee, Woo Hyun Cho, Dong Ki Lee, Joo Yul Cho |
1Department of Anesthesiology, Seoul Red Cross Hospital, Seoul, Korea.
2Department of Ophihalmology, Seoul Red Cross Hospital, Seoul, Korea. |
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| Abstract |
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The effects of several anesthetios (thiopental, ketamine, Innoyar) and muscle relaxants (succinylcholine and vecuronium) on IOP, blood pressures and pulse rates were studied in 60 Patients ranging in are 12 to 56 years. IOP was measured with the Schiotz tonometer. In addition to tonometric determinations, the blood pressures and pulse rates were recorded. The patients were divided into 4 groups: Thiopental-succinylcholine-intubation(Group 1) ; Ketamine-succinrlcholine-intubation (Group 2) ; Innovar-succitrlcholine-intubation (Group 3) and Thiopental-vecuronium-intubation (Group 4) . The results were as follows : 1) In group 1 and 4, IOP changes following thiopental(5 mg/kg) administration showed highly significant decreases(p<0.01) after 1 minute compared with the control value. 2) In group 1 and 3, IOP changes after 1 minute following succinrlcholine administration showed mild increases and were not statistically significant(p>0.05) and in group 2, IOP changes after 5 minute following succinylcholine administration shewed highly significant increases (p<0.01) . 3) In group 3, IOP changes after 5 minutes following Innovar (1 ml/15 kg) administration showed highly significant decreases (p<0.01) compared with the control value. 4) IOP changes after 1 minute of endotracheal intubation showed highly significant inc- reases (p<0.01) in all groups compared with the control value. 7) In group 4, IOP changes following vecuronium administration instead of succinylcholine showed highly significant decreases, but could not prevent the increases in IOP following endotracheal intubation. 6) In all groups, blood pressures and pulse rates showed highly significant increases after endotracheal intubation. 7) After succinylcholine administration, blood pressures showed aignificant increases in group 1 and highly significant increases in group 2. 8) In group 2, blood pressures showed highly significant increases after ketamine administration. |
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