Objective:To study the variation and clinical meaning of perfusion index(PI) in recovery of term infants with asphyxiation and shock. Methods:65 cases of term asphyxiating newborn in our hospital from October,2016 to December,2017 were selected,and according to the neonatal shock score, the patients were divided into the shock group(n=24 cases) and the non-shock group(n=41 cases), and all patients were treated with 2 h, 24 h and 48 h, and their PI values were measured.50 cases of normal full-term newborns in the same period were selected as the control group,the PI values were measured at birth, postnatal 2 h, 24 h and 48 h.Then,the PI values of each group were analyzed and compared, and their prognosis was recorded. Results:The PI value of the shock group was lower than that of the non-shock group at birth(P<0.05) and was lower than that of the control group(P<0.05). The PI value of the non-shock group was lower than that of the control group at birth(P<0.05).With the increase of the severity of the disease, the PI values of neonatal shock were decreased significantly.With the recovery of asphyxia and shock treatment and the other comprehensive treatment,the PI values of 2 h and 24 h were improved,but compared with the control group there was still statistical difference(P<0.05).To 48 h after birth,compared with the control group there were no statistical differences in the two groups' PI values(P>0.05). Conclusion:The PI value decreases significantly when the newborn is asphyxiated,and the decrease of the PI value is more obvious when there is shock.The repeated difficulty in correcting clinical factors such as PI suggests that we should pay attention to the presence of shock factors.
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