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应用彩色多普勒检测窒息儿脑动脉血流变化，结果显示脑动脉阻力指数表现增高、降低和正常。提示窒息后脑动脉阻力指数正常，脑血供处于相对代偿阶段，增高或降低可能与多种因素致脑灌流减少有关，明显增高或降低，常预示临床病情凶险。
Color Doppler detection of asphyxia cerebral blood flow changes, the results showed that cerebral arterial resistance index increased, decreased and normal. Suggesting that asphyxia cerebral artery resistance index normal, cerebral blood supply in the relative compensation stage, increase or decrease may be related to a variety of factors decreased brain perfusion, significantly increased or decreased, often indicating the clinical condition dangerous.