目的探讨经颅彩色双功超声（TCCS）及超声造影（CEUS）对颅内动脉狭窄诊断的价值，并与DSA结果对照评价其可靠性。
Objective To evaluate the diagnostic value and reliability of transcranial color-duplex sonography (TCCS) and contrast-enhanced ultrasound (CEUS) on cerebral arterial stenosis by comparing with DSA.
干涉：血管痉挛通过血管造影和经颅多普勒超声证实，针对血容量过多、高血压和血液稀释等症状进行治疗。
INTERVENTION: Vasospasm was confirmed by angiography and transcranial Doppler sonography, and symptoms responded to hypervolemia, hypertension, and hemodilution therapy.
干涉：血管痉挛通过血管造影和经颅多普勒超声证实，针对血容量过多、高血压和血液稀释等症状进行治疗。
INTERVENTION: Vasospasm was confirmed by angiography and transcranial Doppler sonography, and symptoms responded to hypervolemia, hypertension, and hemodilution therapy.
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