| Clinical Evaluation of Effect of IV Lidocane and Devided dose of Pancuronium on IOP. |
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Seon Jae Kim, Kang Chang Lee, Tai Yo Kim, Jae Seung Yoon |
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Department of Anesthesiology, Won-Kwang University Medical School, Korea. |
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| Abstract |
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Many techniques have been tried to avoid the adverse effect of succinylcholine administe-red for endotracheal intubation especially wish the complication of increased IOP, hyperk-alemia, aspirationl pneumonia and post operative muscle pain, One of these is that the prior administration of a small, subparalyzing dose(15 ug/kg) of non-depolarizing muscle relaxant would shorten the onset time of an intubating dose(80 ug/kg) of muscle relaxant. Intra-venous lidocaine has bean effective in attenuating the reflex intra-ocular response to laryngoscopy Therefore, we determined the effectiveness of this drug regimen with and without intra venous lidocaine to attenuate the IOP, blood pressure and heart rate response to laryngos-copy and endotracheal intubation. Forty patients were divided intro two groups. Group l (n=20) administered saline 5 ml. Group ll(n=70) administered 2% preservative free lidocaine(1.5 mg/kg) as pretreatment drug. The results are as follows : 1) There was no statistically significant difference of intubation condition between one and another group. Among the forer patients, Grade 1,2,3,4 are 8(20%), 19(47.5%), 13(32.5%),0, in orders. 2) In the Saline Group, IOP, BP, HR increased significantly after laryngoscopy compared wiith control value. (p<0.001, P<0.05/p<0,001, p<0.005) and maintained above control values to 4~5 minutes later. 3) In the Lidocaine Group, IOP, BP, HR increased slightly after laryngoscopy compared with control value, but thege changes were not statistically significant, and decreased below control values in 2 min, 2min, 3 min after laryngoscopy each to each. From the above results, it is suggested that combined method of pretreatment of 2% lidofaine(1.5 mg/tg) and divided dose of pancuronium is valuable in general anesthesia of ophthalmic patient who need to attenuate the IOP. |
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