摘要
为了检测激光多普勒预测皮瓣成活的价值,用体重22～26kg雌性白猪12只,在其下腹部作以旋髂浅动脉为蒂的岛状皮瓣,面积15cm×8cm,在皮瓣掀起前、动脉阻断前、阻断9小时后、重新开放后的不同时间点分别用激光多普勒仪检测皮瓣的血运。同时用测定皮瓣温度及静脉注射荧光素法作对照,以活检作为皮瓣成活的金标准。结果肉眼观察的准确率为76％,荧光素为94％,激光多普勒为91.3％。激光多普勒检测准确率高于肉眼,是可供推广的较好方法。
Twelve female pigs were used for the experiment. An island flap (8cm×15cm) pedicled with the superficial circumflex iliac vessels was elevated on the flank of the pig. The blood flow of the flap was measured with laser doppler scanning at different times,i, e. before and after flap elevation;be- fore clipping the feeding artery of the flap and 9 hours after clipping the artery;5 minutes, 20 minutes,40 minutes, 1 hour and 40 hours after reperfusion. The flap viability was also examined with naked eye and fluorography. Biopsy examinations were used as gold standard of flap viability. The results showed that predicting accuracy of flap viability by naked eye was 76%;fluorography was 94% and laser doppler scanning was 91.3%. No significant difference was found between the results from fluorography and laser doppler scanning while there was significant difference between naked eye and laser doppler scan- ning. The authors discussed the clinical applications of predicting skin flap viability.
