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Regenerative Effect of Microsuture Nerve Repair and Fibrin Glue after Rat Sciatic Nerve Section
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±è¹üÅÂ/Bum Tae Kim
±è¿µ¼®/ÀåÀçÄ¥/½Å¿øÇÑ/ÃÖ¼ø°ü/º¯¹ÚÀå/Yong Suck Kim/Jae Chil Jang/Won Han Shin/Soon Kwan Choi/Bark Jang Byun
KMID : 0359819980270040430
Abstract
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To compare the regenerative effect of direct end-to-end suture, nerve graft and
sutureless fibrin glue repair in the rat sciatic model, forty rats were divided into 4
groups ; normal control group(NC-G, n=6), direct end-to-end suture group(DS-G, n=12),
nerve graft group(NG-G, n=10) and sutureless fibrin glue group(FG-G, n=12). One half
of each group except NC-G was sacrificed 4 weeks later and the other half was
sacrificed 14 weeks later. The repair site was assessed by nerve conduction studies and
quantitative morphymetry. Regeneration index(RI) was defined as a total number of
remyelinated axons in one quarter of 3¡¿5 inch sized microphotography. The comparison
among groups was analyzed statistically by Kruskal-Wallis 1-way ANOVA and
Mann-Whitney test.
Nerve conduction study done 14 weeks later revealed that latency was 1.7ms¡¾
0.18(DS-G), 2.4ms¡¾0.35(NG-G), 2.4ms¡¾0.17(FG-G) and amplitude was 20.1mV¡¾
2.89(DS-G), 12.0mV¡¾2.47(NG-G), 13.7mV¡¾2.95(FG-G). RI was 281¡¾37.5(DS-G), 227¡¾
14.4(NG-G) and 217¡¾22.2(FG-G). There was a statistical difference in the latency,
amplitude and RI between three groups(p<0.05), but there was no statistical difference in
the latency, amplitude and RI between FG-G and NG-G(p>0.05).
Regenerative effect of fibrin glue is not different from that of nerve graft, therefore
fibrin glue repair can facilitate inaccessible nerve repairs in skull base or spinal surgery.
Å°¿öµå
Direct end-to-end suture; Nerve graft; Fibrin glue; Nerve conductive study; Regeneration Index;
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