结论脊髓损伤后持续性压迫使损伤脊髓血流量恢复减慢，病理损害加重。
Conclusion Continued compression aggravates pathologic injury through affecting the recovery of local spinal cord blood flow.
同时用氢清除法检测脊髓灰质血流量的改变。
Meanwhile, the blood flow in the gray matter of spinal cord was determined by measuring the hydrogen clearance.
结论当转流量达到腹主动脉近端原血流量的70%时主动脉转流能较好地防止腹主动脉阻断1小时所造成的脊髓损伤。
Conclusion the spinal cord injury caused by abdominal aorta occlusion for 1 hour could be well prevented when the flow of aortic bypass was up to 70% of the volume of abdominal aorta flow.
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