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1.
Chinese Journal of Contemporary Pediatrics ; (12): 1066-1071, 2023.
Artículo en Chino | WPRIM | ID: wpr-1009848

RESUMEN

With the increase in the survival rate of very preterm infants, the long-term neurodevelopmental outcomes of such infants have attracted more and more attention. Very preterm infants tend to develop movement disorders and psychological and behavioral problems, including cerebral palsy, developmental coordination disorders, autism spectrum disorders, attention deficit hyperactivity disorders, specific learning disorders, and intellectual developmental disorders. It is of vital importance to improve the long-term prognosis of very preterm infants, and early comprehensive intervention measures can minimize disability and achieve optimal parenting outcomes. This article provides a review of the research progress on the long-term neurodevelopmental outcomes in extremely preterm infants.


Asunto(s)
Lactante , Femenino , Recién Nacido , Humanos , Recien Nacido Extremadamente Prematuro , Trastorno del Espectro Autista , Discapacidad Intelectual , Recién Nacido de muy Bajo Peso , Trastorno por Déficit de Atención con Hiperactividad , Retardo del Crecimiento Fetal
2.
Chinese Journal of Contemporary Pediatrics ; (12): 778-785, 2022.
Artículo en Chino | WPRIM | ID: wpr-939662

RESUMEN

OBJECTIVES@#To investigate the risk factors for necrotizing enterocolitis (NEC) in very preterm infants and establish a nomogram model for predicting the risk of NEC.@*METHODS@#A total of 752 very preterm infants who were hospitalized from January 2015 to December 2021 were enrolled as subjects, among whom 654 were born in 2015-2020 (development set) and 98 were born in 2021 (validation set). According to the presence or absence of NEC, the development set was divided into two groups: NEC (n=77) and non-NEC (n=577). A multivariate logistic regression analysis was used to investigate the independent risk factors for NEC in very preterm infants. R software was used to plot the nomogram model. The nomogram model was then validated by the data of the validation set. The receiver operating characteristic (ROC) curve, the Hosmer-Lemeshow goodness-of-fit test, and the calibration curve were used to evaluate the performance of the nomogram model, and the clinical decision curve was used to assess the clinical practicability of the model.@*RESULTS@#The multivariate logistic regression analysis showed that neonatal asphyxia, sepsis, shock, hypoalbuminemia, severe anemia, and formula feeding were independent risk factors for NEC in very preterm infants (P<0.05). The ROC curve of the development set had an area under the curve (AUC) of 0.833 (95%CI: 0.715-0.952), and the ROC curve of the validation set had an AUC of 0.826 (95%CI: 0.797-0.862), suggesting that the nomogram model had a good discriminatory ability. The calibration curve analysis and the Hosmer-Lemeshow goodness-of-fit test showed good accuracy and consistency between the predicted value of the model and the actual value.@*CONCLUSIONS@#Neonatal asphyxia, sepsis, shock, hypoalbuminemia, severe anemia, and formula feeding are independent risk factors for NEC in very preterm infant. The nomogram model based on the multivariate logistic regression analysis provides a quantitative, simple, and intuitive tool for early assessment of the development of NEC in very preterm infants in clinical practice.


Asunto(s)
Niño , Femenino , Humanos , Lactante , Recién Nacido , Asfixia/complicaciones , Enterocolitis Necrotizante/etiología , Retardo del Crecimiento Fetal , Hipoalbuminemia , Enfermedades del Recién Nacido , Recien Nacido Prematuro , Enfermedades del Prematuro/etiología , Nomogramas , Sepsis/complicaciones
3.
Chinese Journal of Contemporary Pediatrics ; (12): 654-661, 2022.
Artículo en Chino | WPRIM | ID: wpr-939644

RESUMEN

OBJECTIVES@#To establish a nomogram model for predicting the risk of death of very preterm infants during hospitalization.@*METHODS@#A retrospective analysis was performed on the medical data of 1 714 very preterm infants who were admitted to the Department of Neonatology, the Third Affiliated Hospital of Zhengzhou University, from January 2015 to December 2019. These infants were randomly divided into a training cohort (1 179 infants) and a validation cohort (535 infants) at a ratio of 7∶3. The logistic regression analysis was used to screen out independent predictive factors and establish a nomogram model, and the feasibility of the nomogram model was assessed by the validation set. The area under the receiver operating characteristic curve (AUC), calibration curve, and decision curve analysis (DCA) were used to assess the discriminatory ability, accuracy, and clinical applicability of the model.@*RESULTS@#Among the 1 714 very preterm infants, 260 died and 1 454 survived during hospitalization. By the multivariate logistic regression analysis of the training set, 8 variables including gestational age <28 weeks, birth weight <1 000 g, severe asphyxia, severe intraventricular hemorrhage (IVH), grade III-IV respiratory distress syndrome (RDS), and sepsis, cesarean section, and use of prenatal glucocorticoids were selected and a nomogram model for predicting the risk of death during hospitalization was established. In the training cohort, the nomogram model had an AUC of 0.790 (95%CI: 0.751-0.828) in predicting the death of very preterm infants during hospitalization, while in the validation cohort, it had an AUC of 0.808 (95%CI: 0.754-0.861). The Hosmer-Lemeshow goodness-of-fit test showed a good fit (P>0.05). DCA results showed a high net benefit of clinical intervention in very preterm infants when the threshold probability was 10%-60% for the training cohort and 10%-70% for the validation cohort.@*CONCLUSIONS@#A nomogram model for predicting the risk of death during hospitalization has been established and validated in very preterm infants, which can help clinicians predict the probability of death during hospitalization in these infants.


Asunto(s)
Femenino , Humanos , Lactante , Recién Nacido , Embarazo , Cesárea , Retardo del Crecimiento Fetal , Hospitalización , Recien Nacido Prematuro , Enfermedades del Prematuro , Nomogramas , Estudios Retrospectivos
4.
Chinese Journal of Contemporary Pediatrics ; (12): 648-653, 2022.
Artículo en Chino | WPRIM | ID: wpr-939643

RESUMEN

OBJECTIVES@#To investigate whether evidence-based standardized nutrition protocol can facilitate the establishment of full enteral nutrition and its effect on short-term clinical outcomes in very preterm/very low birth weight infants.@*METHODS@#A retrospective analysis was performed on the medical data of 312 preterm infants with a gestational age of ≤32 weeks or a birth weight of <1 500 g. The standardized nutrition protocol for preterm infants was implemented in May 2020; 160 infants who were treated from May 1, 2019 to April 30, 2020 were enrolled as the control group, and 152 infants who were treated from June 1, 2020 to May 31, 2021 were enrolled as the test group. The two groups were compared in terms of the time to full enteral feeding, the time to the start of enteral feeding, duration of parenteral nutrition, the time to recovery to birth weight, the duration of central venous catheterization, and the incidence rates of common complications in preterm infants.@*RESULTS@#Compared with the control group, the test group had significantly shorter time to full enteral feeding, time to the start of enteral feeding, duration of parenteral nutrition, and duration of central venous catheterization and a significantly lower incidence rate of catheter-related bloodstream infection (P<0.05). There were no significant differences between the two groups in the mortality rate and the incidence rate of common complications in preterm infants including grade II-III necrotizing enterocolitis (P>0.05).@*CONCLUSIONS@#Implementation of the standardized nutrition protocol can facilitate the establishment of full enteral feeding, shorten the duration of parenteral nutrition, and reduce catheter-related bloodstream infection in very preterm/very low birth weight infants, without increasing the risk of necrotizing enterocolitis.


Asunto(s)
Humanos , Lactante , Recién Nacido , Peso al Nacer , Nutrición Enteral/métodos , Enterocolitis Necrotizante/prevención & control , Recien Nacido Extremadamente Prematuro , Recién Nacido de muy Bajo Peso , Estudios Retrospectivos , Sepsis/epidemiología
5.
Chinese Journal of Neonatology ; (6): 315-320, 2022.
Artículo en Chino | WPRIM | ID: wpr-955258

RESUMEN

Objective:To study the risk factors, cerebral hemodynamics and clinical outcomes of extremely and very preterm infants with severe intraventricular hemorrhage (IVH).Methods:From January 2019 to December 2019, premature infants with gestational age (GA) <32 w admitted to our hospital were assigned into severe IVH group and non-severe IVH group. Risk factors for severe IVH were analyzed. According to clinical outcomes, severe IVH group was further assigned into improvement subgroup and no-improvement subgroup. Cerebral hemodynamic parameters were compared between the two groups.Results:A total of 346 eligible neonates were enrolled in this study. The incidence of severe IVH was 11.0% (38 cases). The incidences of Grade Ⅲ and Ⅳ IVH were 8.7% (30/346) and 2.3% (8/346), respectively. Multivariate logistic regression analysis showed that CA < 28 w ( OR=4.365, 95% CI 1.055~18.054), 5 min Apgar score ≤7 ( OR=8.749, 95% CI 2.214~36.042), chorioamnionitis ( OR=3.245, 95% CI 1.127~9.344), PaCO 2 fluctuation within 1 h >25 mmHg ( OR=7.728, 95% CI 1.738~80.907) and vasoactive drugs usage ( OR=10.883, 95% CI 3.746~31.621) were the risk factors of severe IVH. 20 cases in severe IVH group were improved at discharge and 12 cases showed no improvement at discharge. Improvement subgroup showed quicker reduction of the middle cerebral artery flow resistance and faster recovery of the mean flow velocity than the no-improvement subgroup. Conclusions:GA <28 w, 5 min Apgar score ≤7, chorioamnionitis, PaCO 2 fluctuation within 1 h >25 mmHg and vasoactive drugs usage are risk factors of severe IVH in extremely and very preterm infants. Cerebral hemodynamic monitoring may provide initial assessment for the clinical outcomes for severe IVH.

6.
Chinese Journal of Contemporary Pediatrics ; (12): 132-140, 2022.
Artículo en Inglés | WPRIM | ID: wpr-928578

RESUMEN

OBJECTIVES@#To investigate the incidence of extrauterine growth retardation (EUGR) and its risk factors in very preterm infants (VPIs) during hospitalization in China.@*METHODS@#A prospective multicenter study was performed on the medical data of 2 514 VPIs who were hospitalized in the department of neonatology in 28 hospitals from 7 areas of China between September 2019 and December 2020. According to the presence or absence of EUGR based on the evaluation of body weight at the corrected gestational age of 36 weeks or at discharge, the VPIs were classified to two groups: EUGR group (n=1 189) and non-EUGR (n=1 325). The clinical features were compared between the two groups, and the incidence of EUGR and risk factors for EUGR were examined.@*RESULTS@#The incidence of EUGR was 47.30% (1 189/2 514) evaluated by weight. The multivariate logistic regression analysis showed that higher weight growth velocity after regaining birth weight and higher cumulative calorie intake during the first week of hospitalization were protective factors against EUGR (P<0.05), while small-for-gestational-age birth, prolonged time to the initiation of total enteral feeding, prolonged cumulative fasting time, lower breast milk intake before starting human milk fortifiers, prolonged time to the initiation of full fortified feeding, and moderate-to-severe bronchopulmonary dysplasia were risk factors for EUGR (P<0.05).@*CONCLUSIONS@#It is crucial to reduce the incidence of EUGR by achieving total enteral feeding as early as possible, strengthening breastfeeding, increasing calorie intake in the first week after birth, improving the velocity of weight gain, and preventing moderate-severe bronchopulmonary dysplasia in VPIs.


Asunto(s)
Femenino , Humanos , Lactante , Recién Nacido , Retardo del Crecimiento Fetal , Edad Gestacional , Hospitalización , Incidencia , Recien Nacido Prematuro , Recién Nacido de muy Bajo Peso , Estudios Prospectivos , Factores de Riesgo
7.
Neonatal Medicine ; : 173-176, 2015.
Artículo en Coreano | WPRIM | ID: wpr-145881

RESUMEN

Probiotics are living micro-organisms that beneficially affect the composition of the host intestinal microflora. In very preterm infants, probiotics reportedly help reduce necrotizing enterocolitis (NEC), invasive fugal colonization and sepsis, and enable the establishment of complete enteral feeding at an earlier stage. However, emerging evidence has indicated the risk of potential side effects of probiotic use, such as gut organism translocation, including probiotic organisms, in infants that are more premature. In the present report, we describe a case of Lactobacillus bacteremia in a very preterm infant with short bowel syndrome. Lactobacillus sepsis developed during the therapeutic use of this organism for diarrhea and diarrhea-related malabsorption. The organism isolated from the blood sample was found to be of the same strain as that administered, by using molecular techniques. The findings of the present case suggest that probiotics should be carefully used, particularly in very preterm infants with altered intestinal permeability such as short bowel syndrome.


Asunto(s)
Humanos , Lactante , Recién Nacido , Bacteriemia , Colon , Diarrea , Nutrición Enteral , Enterocolitis Necrotizante , Recien Nacido Prematuro , Lactobacillus , Permeabilidad , Probióticos , Sepsis , Síndrome del Intestino Corto
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