通气/灌注（ventilation-perfusion，V/Q）肺扫描精确度的最广泛评估是肺栓塞诊断的前瞻性研究（Prospective Investigation of Pulmonary Embolism Diagnosis,PIOPED）【1】。在这项研究中V/Q扫描的精确性是由肺动脉造影做标准参考而决定的。 1. PIOPED Investigators. Value of the ventilation/perfusion scan in acute pulmonary embolism. Results of the prospective investigation of pulmonary embolism diagnosis (PIOPED). JAMA 1990; 263:2753. |
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