已有研究表明，替代性创伤的成因主要与救援者个人自身因素以及特定的环境因素有关；
Researches have shown that vicarious trauma mainly results from the personal factors of rescue individuals and the specific environmental factors.
结论：MRI和MRV是诊断和随访静脉窦血栓形成的有效手段，对脑静脉窦血栓的诊断优于CT，可替代创伤性的DSA检查。
Conclusions MRI and MRV are the effective imaging modalities in the diagnosis and follow-up of the cerebral venous sinus thrombosis, superior to ct, and can replace invasive DSA.
结论：MRI和MRV是诊断和随访静脉窦血栓形成的有效手段，对脑静脉窦血栓的诊断优于CT，可替代创伤性的DSA检查。
Conclusions MRI and MRV are the effective imaging modalities in the diagnosis and follow-up of the cerebral venous sinus thrombosis, superior to ct, and can replace invasive DSA.
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