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注药参数的选择是ＬＳＡ成像链中的重要因素，注药参数包括：造影剂的用量及浓度、注射流率、注射压力和注射延迟等。正确合理地选择注药参数可以改善和提高ＬＳＡ图像质量，在兼顾检查者安全与射线防护的基础上，是获得一张优质ＬＳＡ像片的重要保证。 资料与方法 对１９９８
The choice of injection parameters is an important factor in LSA imaging chain, injection parameters include: the amount and concentration of contrast medium, injection rate, injection pressure and injection delay. Proper and reasonable injection parameters can improve and improve LSA image quality, taking into account the inspector’s safety and radiation protection, based on the quality assurance is to obtain a high-quality LSA images. Data and methods to 1998