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Objective To explore the epidemiological analysis of complications in premature infants.Methods From January 2017 to March 2018,1800 premature babies in Ningbo Women and Children Hospital were selected in the study.The clinical data of pregnant women,premature infants and premature complications,and so on were investigated,and summarized epidemiology of premature infant complications.Results The probability of premature birth was 9.09％.The differences between different gestational age(x2 =2 481.34) and different body weight (x2 =3 088.21) were statistically significant (all P ＜ 0.05).Premature rupture of membranes occurred as the main one of the common factors lead to premature birth,the fetal distress was also more common factors,so in different gestational age,the difference was not statistically significant (P ＞ 0.05).However,compared with other factors,the difference of premature infants at different gestational weeks was statistically significant (P ＜ 0.05).Conclusion Epidemiological study of preterm infants,can promote their perinatal management level and quality,and then pointed to strengthen perinatal health education and health care,for the effective prevention and treatment of common diseases of perinatal,key management and monitoring work earnestly strengthen the high-risk pregnancy,attaches great importance to the establishment of collaborative relationship between made in pediatric claims intrauterine transhipment,making pregnant women can be produced in the hospital for treatment for premature babies,and reduce the mortality and morbidity rates of premature and low birth weight,can reduce the risk of intellectual disability,eventually making the birth population overall quality improved.
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Objective@#To explore the clinical value of serum N-methyl-aspartate receptor (NMDAR) antibody level, brainstem auditory evoked potential (BAEP) and magnetic resonance imaging (MRI) in the differential diagnosis of viral encephalitis and anti-NMDAR encephalitis.@*Methods@#The clinical data of 68 children patients with encephalitis were retrospectively analyzed. The patients diagnosed with viral encephalitis were included in V group (n=52), and the patients diagnosed with anti-NMDAR encephalitis were included in N group (n=16). The clinical characteristics, serum NMDAR antibody level, and BAEP and MRI findings were compared between the two groups.@*Results@#The age, disease duration, abnormal behavior rate, sleep disorder rate and epileptic seizure rate in V group were significantly lower than those in N group [(6.62±1.20)Y/O vs.(8.46±1.85)Y/O, (3.53±0.71)d vs.(4.49±0.82)d, 30.77%(16/52)vs. 75.00%(12/16), 21.15%(11/52)vs. 62.50%(10/16), 26.92%(14/52)vs. 56.25%(9/16), t=4.681, t=4.560, χ2=9.882, χ2=7.958, χ2=4.701], while the abnormal rate of video EEG was significantly higher than that in N group [51.92(27/52)vs. 81.25%(13/16), χ2=4.345] (all P<0.05). There were no significant differences in gender, rates of prodromic infection symptoms, cognitive impairment, fever, headache, convulsion and incidence rate of meningeal irritation sign (P>0.05). The serum NMDAR antibody level in V group was significantly lower than that in N group [(3.40±0.69) ng/ml vs.(13.95±2.78) ng/ml t=25.319)] (P<0.05). There were no significant differences in the BAEP apparent involvement range and central auditory neurological damage between the two groups (P>0.05), but the peripheral auditory nerve damage and total BAEP abnormality rate in V group were significantly lower than those in N group [3.85%(4/104)vs. 21.88%(7/32), 6.73%(7/104)vs. 28.12%(9/32), 30.77%(16/52)vs. 62.50%(10/16), χ2=10.699, χ2=10.790, χ2=5.216] (all P<0.05). There were no significant differences in MRI signal intensity, lesion involvement range and total abnormal rate between the two groups (all P>0.05).@*Conclusions@#There were significant differences in serum NMDAR antibody level and BAEP test results among children patients with viral encephalitis or anti-NMDAR encephalitis, and they are helpful for early differential diagnosis.