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1、书书书 !“ #$%0 (?/ABC (DEF、 GH) IJ#$: 123, Email:Hengyan mail. jl. cn KL;MNOPQ;RSTUVW TX8YZ !“# $% MijkQ;RSTUYVWT X8lmnoPpAB。qrstuvw;M、 Nx;RSTUVWyzYu|!?。 %RSTUY?P?AB: ?#Q;Y?;M?。?;M、 ?;M?; MS?q?;M?ijk;RSTUVWTX8lm。( Q;TU、 ?* ?TU、 ?TU?SdTU?q?XV, ;M?, tTUYVW?X m?, Ww?, “;Mdef?S, 7VWlmg?fi fl 。) ; MdefYO?Z;
2、RSTUVWTX8YO?。_ab?P?NOno ?Y?。(*6;0”,2005, 41: 449-453) 【*+,】 ?, ab, _; ;fM; ?TU; ;TU; VTX8? A study of hemodynamic changes in the arteries of rabbits eye caused by acute high intraocular pressure LI Heng-yan*,LENG Ying,ZHANG Tie-shan,HU Ying, LI Wei. *Center Hospital of Jilin City,Jilin 132000,China
3、Corresponding author:LI Heng-yan,Email:HengyanI mail. Jl. Kn 【Abstract】 Objective Using the color Doppler flow imaging(CDFI)to measure and to study the hemodynamic changes of rabbits retrobulbar artery caused by changes of intraocular pressure(IOP) . To provide information for screening of drugs tha
4、t improves the blood circulation and decrease the IOP. Methods This is a self-contrast research performed at the left eye:high IOP was induced,then the hemodynamic changes of rabbits retrobulbar artery at different IOP stages were observed. Results Rabbits ophthalmic artery(OA) ,ciliary artery(CA) ,
5、short posterior ciliary artery(SPCA) ,central retinal artery (CRA)are low resistant artery. When the IOP raised rapidly,the velocity of blood flow became slower and resistance force index became higher. The hemodynamic changes could not return to normal even after the IOP decreased to the normal lev
6、el. Conclusion A short-term high IOP can influence the hemodynamic pattern of retro-bulbar arteries.Color Doppler flow imaging is a valuable method for monitoring these changes.(Chin J Ophthalmol ,2005, 41: 449-453) 【Key words】 Ultrasonography,doppler,color; Intraocular pressure; Ciliary arteries; O
7、phthalmic artery; Hemodynamic phenomena KL?;?KL;M ?, ;YV?M = ;TUM - ;fM 1, ;MY?;?Mw?, ;RYV? , ?Y?V?, n?X ?。I?yz?“;M? ?, ?“RSYVWTX8Nx 2。?7 AB?PL、 ?KL?;?RSVW Y?, PKL、 KL;MO?P;RSTUZ Y、 ;TU?Y#, ?PKLw; M?SY;VWTX?AB?, q?$? ?Tz?。 -./%$, %M ; 01 Simens 23 SONOLINE Omnia ?/ 944*6;0” 2005 4 5 ?5 41 65 5 e Chi
8、n J Ophthalmol,May 2005,Vol 41,No. 5 c, 7 13 MHz 789:。 ?、 ?;Q;RSTUY,-?: Q;RSVA ?;Bh, CDoE?;gh, qFE;R SDo。 G、 ?Q;Mgh;Mijk;RST UVWTX8lm?H 1. ?;M: IJq12. 9975 17. 0025 mm Hg (1mm Hg =0. 133 kPa) 。 2. ?;Mijk;RSTUVWTX8l m?: KL%?fi fl Y。 SPSS 11. 5 jno, ?N 3 ?gh;M ijkY;RSTUVWTX8lm!? ?“p?Y#8。 ( ?、 OA Y?9IJ
9、 (u 1 3) 1. OA Y(?uY (two dimensional imaging , TDI) 、 _abVW,fi (color follow imaging, CFI) n?abuY (pulse doppler imaging, PDI) 。 2. gh;Mijk OA YVWTX8lm: fl ? 1。 (、 CRA Y?9IJ (u 4, 5) 1. CRA Y TDI、 CFI PDI。 2. gh;Mijk CRA YVWTX8lm: fl ? 2。 ?、 CA Y?9IJ (u 6 9) 1. CA SPCA Y TDI、 CFI PDI。 2. gh;Mijk CA
10、 YVWTX8lm: fl ? 3。 G、 SPCA Y?9IJ gh;Mijk SPCA YVWTX8lmfl ? 4。 0) ?;M;0rst?fl !, ?fi ?Y$?;M?, 、 ?;”。rstP?tj?、 j? ;、 L?;YRSTUVWTX8NO? ?HY? 3, 5, q;M?RSTU VW?Xm?, W?。? Y;M?+LM?:, “?hWT, hAMDM“?:、 ?U?YV V?X , ?DeVW, ?V? ?、 Vg? , ?。 qt?“?N?;MLY?X?*? “)# 6, ?;rstg?“?P;MY? , ?“?P?M;VYVWTX8 7-9, ?PKL?;M?KL?
11、;M (;M ?N 4 h ?f, ”) PRSTUYVWZ? ?Y?J, ?;1ffl ?, q? ?。 ?)?Q;RSTUVWTX8Y 5?L: MD、 PS、 TAMx、 PI、 RI, I?5?L? 054*6;0” 2005 4 5 ?5 41 65 5 e Chin J Ophthalmol,May 2005,Vol 41,No. 5 1 1 ?;Mkijk OA Y CFI PDI ? 1 2 ?;Mkijk OA Y CFI PDI ? 1 3 ?;MS OA Y CFI PDI ? 1 4 ?;Mijk CRA Y CFI ? 1 5 ?;MijkY CRA Y CFI PD
12、I ? 1 6 ?;Mijk CA ? SPCA Y CFI ? 1 7 ?;Mijk SPCA Y PDI ? 1 8 ?;Mijk CA Y PDI ? 1 9 ?;Mijk SPCA Y PDI ? 2 1 gh;Mijk OA YVWTX8lm (-x s) ;MMD (s/ m)PS (s/ m) TAMX(s/ m)PIRI ?;M0. 174 0. 0200. 321 0. 0350. 238 0. 0280. 619 0. 0690. 456 0. 032 ?;M0. 095 0. 0330. 211 0. 0560. 141 0. 0420. 843 0. 1600. 564
13、 0. 052 ?;Mkw?S0. 131 0. 0310. 259 0. 0520. 184 0. 0380. 702 0. 1060. 489 0. 048 F ? 27. 08417. 52224. 57112. 90721. 416 P ? ?= A , P?V、 ?;? , J;M? ?RSTU、 ?Y?X, ? ?V?VgZ, ?X? 12。?;MPRSTUYZ 7?“), ?c?N?Y# 。 ?M;SY;Mkw;, ?T UYlmN 3 ?;Mfi fl 8 ( g?Ylm?) 。“Bp, lmN;Mk w?S?;MBp, ?8 (P 0. 05) 。8 (P ?P? V?WXY
14、?Y?Y;Z。 (1) ?AB YQ;Mq50 mm Hg, ?MX?;RSTU YVTX8O?, ?P?=ghY;M? ?!?h?YVTX8O???V TX8O?Y;M?BPYr??N?HY ;M_f, I?;VY?“R SYVW.GH?JYaqbH, cdrst PghY;MeghY?, ?g?Pr sY?fK?yg, ?“? h$deno?。 (2) h?;Mfi fl Ngh ?Q?ghVWO?O?i7? ghY?Qw;MS?VWY?JB h??PrstY?HY。 (3) N!?;MKLNOS#j)klNxVW Yyz, NxVWYyz#?J??Prs ?#, ?mn?IAB。 345
15、6 1Riva CE,Sinclair SH,Grunwald JE.Autoregulation of retinal circulation in response to decrease of perfusion pressure.Invest Ophthalmol Vis Sci, 1981, 21: 34-38. 2ZHAO J, WANGS.Retrobulbarhemodynamicchangesafter trabeculectomyinprimaryopen-angleglaucoma.RecAdv Ophthalmol, 2001, 21: 167-169. 3nop,qr
16、. LtjL?;VWTX8Y?. *1 ?;0”, 2001, 14: 674-677. 4st*,uqv. KL?;M?“?Ywxy?wI ?zSY?|. *6;0”, 1996, 32: 372-375. 5 %fl ,?. ?;VWTX8O?B?AB. *1?;0”, 1999, 17: 23-25. 6Yin J,Wu L,Wu R,et al. A study of ocular hemodynamicsin primaryopenangleglaucomawithmyopia.ChinJOptom Ophthalmol, 1999, 2: 35-38. 7 ?,?fl . w?S
17、?HP;M?*?T UVWYZ. *1?;0”, 1999, 17: 365-368. 8?,n?. _ab?“?;P?;? ?VYZ. *1rs,8Zfi ”, 2002, 21: 57-58. 9?,?. w?S ?HP?;M? *?TUVWY#. *1?;0”, 2000, 18: 307-308. 10Taylor GA,Short BL,Walker LK,et al. Intracranial blood flow: Quantification with Duplex Doppler and color Doppler flow US. Radiology, 1990, 176:
18、 231-236. 11Sossi N.Effect of elevated intraocular pressure on blood flow, occurrenceincatstudiedwithiodoantipyrineI125.Arch Ophthalmol, 1983, 101: 98-104. 12Alm A,Bill A. Effects of changes in intraocular and arterial blood pressures,andin arterial PO2and PCO2on the oxygen tension in the vitreous b
19、ody of the cat . Acta Physiol Scand, 1972, 84: 261-267. (?e: 2005-01-27) (?: ?) J 789:;?9:;ABCDEFG HIJ0KLMNOPQRPSTUVWXYZ t?I789:5?,-? 2005 4 7 ?t?Nt? “?1?x?O?;0? A?,8?8” 。8e?1“。“?)f?:(1) !?Y? nfi ;(2) ?xY?; (3) ?OYfl c、 ?nfi ;(4) ;0*,IR? ; (5) ?、 F?、 ?Lf?”?nfi ;(6) ;0Wo8AB、 ;00A?!?;(7) TX?、 ?”?、 ;fp、 B?、 ?”。?8“!?, X?“ ?, 8?f?。A?e?1f;0?WYnoX, x?no?!?W。8 A?I?S, ?1?,8?8., ?1?7;0,?l。 A?8Y?/I? 2005 4 5 ?!。?$?、 LF、 4?、 ?、 ?#%0” 2005 4 5 ?5 41 65 5 e Chin J Ophthalmol,May 2005,Vol 41,No. 5
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