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Objective:To study the neurodevelopmental status of very/extremely low birth weight preterm infants with gestational age less than 32 weeks at the corrected age of 1 year.Methods:Preterm infants admitted to the Neonatology Department after birth at Guangzhou Women and Children′s Medical Center from January 2015 to December 2018 and followed up regularly to the high-risk infants clinic for at least 1 year after discharge were selected as the research subjects.According to the birth weight(BW), preterm infants were divided into very/extremely low birth weight group(BW<1 500 g), low birth weight group(1 500 g<BW<2 500 g)and normal birth weight group(2 500 g≤BW<4 000 g). The neurodevelopment of preterm infants with different BW at the corrected age of 1 year were compared and the influence of perinatal risk factors on neurodevelopment of very/extremely low birth weight preterm infants were analyzed.Results:A total of 270 preterm infants were included in the study, including 95 in the very/extremely low birth weight group, 124 in the low birth weight group, and 51 in the normal birth weight group.At the corrected age of 1 year, adaptability, gross motor, fine motor, language, individual sociability and development quotient(DQ) in the very/extremely low birth weight group were lower than those in the other two groups( P<0.05). The incidence of neurodevelopmental abnormality(DQ<85)in very/extremely low birth weight preterm infants was 42.1%(40/95) at the corrected age of 1 year.The incidence of intracranial hemorrhage in neurodevelopmental abnormality group(85.0%, 34/40) was higher than that in the control group(29.1%, 16/55)( P<0.05). Conclusion:Very/extremely low birth weight preterm infants are at high risk of neurodevelopmental abnormality at the age of 1 year, and intracranial hemorrhage may be a related potential risk factor.Perinatal follow-up care and early intervention should be emphasized to strengthen neurodevelopmental monitoring.
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Objective To investigate the correlation of early incubator temperature fluctuation on intraventricular hemorrhage (IVH) in very/ extremely-low birth weight infants (E/VLBW). Methods From July 2015 to September 2016, 270 patients of hospitalized E/VLBW were included in this study. Temperature changes including incubator temperature and abdominal temperature within 72 hours after admission and routine clinical data were collected,the E/VLBW were divided into IVH group and non-IVH group, as well as the occurrence and grading of IVH. Chi-square test, t test and nonparametric test and logistic regression analysis were used to explore the effect of early incubator temperature fluctuations in E/VLBW on IVH. Results Of the 270 V/ELBW studied, the incidence of IVH was 24.4%(66/270), severe IVH(gradeⅢandⅣ) was 5.2%(14/270). Univariate analysis showed that in addition to common IVH risk factors such as gestational age, body weight, 1/5 min Apgar score, sex, delivery, hyperglycemia, prenatal steroid and mechanical ventilation, fluctuations of body temperature and incubator temperature were relevant for IVH in E/VLBW (P＜0.05). Logistic regression analysis of the above relevant risk factors showed fluctuations of temperature ( OR=1.10)was also an independent risk factor for IVH in E/VLBW( P＜0.05), in addition to sex( OR=0.42), 1 min Apgar score ( OR=0.71), and hyperglycemia ( OR= 3.67). Conclusion Fluctuation of incubator temperature is an independent risk factor for IVH in V/ELBWI. During centralized nursing and nursing operations, the operating time should be shortened as much as possible to reduce the number of fluctuations of incubators and body temperature to reduce the incidence of IVH and improve the quality of life.
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Objective@#To investigate the correlation of early incubator temperature fluctuation on intraventricular hemorrhage (IVH) in very/extremely-low birth weight infants (E/VLBW).@*Methods@#From July 2015 to September 2016, 270 patients of hospitalized E/VLBW were included in this study. Temperature changes including incubator temperature and abdominal temperature within 72 hours after admission and routine clinical data were collected,the E/VLBW were divided into IVH group and non-IVH group, as well as the occurrence and grading of IVH. Chi-square test, t test and nonparametric test and logistic regression analysis were used to explore the effect of early incubator temperature fluctuations in E/VLBW on IVH.@*Results@#Of the 270 V/ELBW studied, the incidence of IVH was 24.4% (66/270) , severe IVH(grade Ⅲ and Ⅳ) was 5.2% (14/270) . Univariate analysis showed that in addition to common IVH risk factors such as gestational age, body weight, 1/5 min Apgar score, sex, delivery, hyperglycemia, prenatal steroid and mechanical ventilation, fluctuations of body temperature and incubator temperature were relevant for IVH in E/VLBW (P<0.05) . Logistic regression analysis of the above relevant risk factors showed fluctuations of temperature (OR=1.10) was also an independent risk factor for IVH in E/VLBW(P<0.05) , in addition to sex(OR=0.42) , 1 min Apgar score (OR=0.71) , and hyperglycemia (OR=3.67) .@*Conclusion@#Fluctuation of incubator temperature is an independent risk factor for IVH in V/ELBWI. During centralized nursing and nursing operations, the operating time should be shortened as much as possible to reduce the number of fluctuations of incubators and body temperature to reduce the incidence of IVH and improve the quality of life.
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The early of nutritional support (parenteral and enteral) in the very/extremely low birth weight infants improve the survival rate and avoid extrauterine growth restriction.The practice of early nutritional strategy,appropriate enteral feeding and the individualized care and assessment program can result in catch-up growth and avoid growth and development deficits.