Effects of anesthetics on resistive index of the medial long posterior ciliary artery and ophthalmic artery using color doppler imaging
2005
Choi, H.J. (Chungnam National University, Daejeon, Republic of Korea) | Yoon, J.H. (Seoul National University, Seoul, Republic of Korea) | Yeon, S.C. (Gyeongsang National University, Jinju, Republic of Korea) | Lee, Y.W. (Chungnam National University, Daejeon, Republic of Korea) | Lee, H.J. (Seoul National University, Seoul, Republic of Korea) | Lee, H.C. (Seoul National University, Seoul, Republic of Korea), E-mail: Ihc@nongae.gsnu.ac.kr
Color Doppler imaging (CDI) was carried out to evaluate the anesthetics effect on ophthalmic circulation using CDI-derived resistive index (RI) values. CDI was preformed on 24 dogs, and RI values were calculated for the medial long posterior ciliary artery (mLPCA) and ophthalmic artery (OA) before and after administration of anesthetics. After administration of benoxinate or acepromazine, a significant change of the mLPCA RI was not found. But, a significant decrease of the RI following ketamine (p less than 0.001) or xylazine (p less than 0.01) administration could be observed as compared with the self-control. Mean RI value of OA also showed this same trend.
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