He found that dopamine increased renal blood flow but did not improe medullary PO2.This finding is most likely due to the inhibition of tubulo-glomerular feedback (TGF).

• 结果发现，多巴胺增加肾血流但并不增加髓质的PO2，这很可能是因为球管反馈（TGF）抑制的原因。