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1.
BMC Pediatr ; 22(1): 676, 2022 11 23.
Article in English | MEDLINE | ID: mdl-36418987

ABSTRACT

BACKGROUND: Intensive care is of great significance for very low birth weight infants (VLBWI). The Yangtze River Delta is the most ecomonically developed area in China. However, there are few data on the care practices and survival of VLBWI in this region. OBJECTIVES: To investigate the prevalence, care practices and motality of VLBWI in Yangtze River Delta in China. METHODS: A multi-center retrospective investigation study was conducted at five tertiary hospitals within the Yangtze River Delta in China from January to December 2017. Clinical data included the general characteristics of the infants and the mothers, clinical prognosis, care practices in NICUs was collected by trained research members. RESULTS: During the study period, 1059 VLBWIs were included. Infants with birth weight < 750 g, 750-1000 g, 1000-1250 g and 1250-1500 g accounted for 2.3, 14.9, 34.8 and 47.8%, respectively. Premature rupture of membranes (17.8%) was the main cause of premature delivery. The catheterization rates of umbilical vein catheterization (UVC) and peripherally inserted central catheter (PICC) were 25.0 and 64.4%, respectively. The duration of parenteral nutrition was 27.0 ± 19.5 d, the meantime of feeding tube indwelling was 36.2 ± 24.2 d. The corrected gestational age of the infants who reached full oral feeding was 35.8 ± 2.7 weeks. The breast feeding rate in the investigated infants was 61.9%. The mortality rate of preterm infants was 3.4%. The incidence of main complications BPD, PDA, ROP, NEC and sepsis were 24.9, 29.9, 21.7, 9.4 and 13.3% respectively. CONCLUSIONS: Maternal and infant care practices need to be improved in the very preterm births. This study provides a baseline for the improvement in the further study.


Subject(s)
Infant, Premature , Premature Birth , Infant , Female , Infant, Newborn , Humans , Retrospective Studies , Rivers , Gestational Age , Infant, Very Low Birth Weight
2.
Transl Pediatr ; 10(10): 2533-2543, 2021 Oct.
Article in English | MEDLINE | ID: mdl-34765477

ABSTRACT

BACKGROUND: To analyze the risk factors of bronchopulmonary dysplasia (BPD) of very low birth weight infants (VLBWIs), and to develop and verify a risk prediction model of BPD. METHODS: The data of 611 VLBWIs from the neonatal intensive care unit (NICU) of a tertiary grade A hospital in Suzhou from January 2017 to September 2019 were collected. The data was randomly divided into the modeling set (451 cases) and the validation set (160 cases). Binary logistic regression was used to analyze the data, and the model was examined by a receiver operating characteristic (ROC) curve. The grouped data was used to verify the sensitivity and specificity of the model. RESULTS: The study found that neonatal asphyxia, the positive rate of sputum culture, neonatal sepsis, neonatal respiratory distress syndrome (NRDS), blood transfusions (≥3), patent ductus arteriosus (PDA), the time of invasive mechanical ventilation, the duration of oxygen therapy, and the time of parenteral nutrition were the independent risk factors of BPD, while 1 min Apgar score was a protective factor. The model formula was Z=neonatal asphyxia * 1.229 + the positive rate of sputum culture * 1.265 + neonatal sepsis * 1.677 + NRDS * 1.848 + blood transfusions (≥3) * 1.455 + PDA * 1.835 - 1 min Apgar score * 0.25 + the time of invasive mechanical ventilation * 0.123 + the duration of oxygen therapy * 0.09 + the time of parenteral nutrition * 0.057 - 8.077. The area under the ROC curve of this model was 0.965 (95% CI: 0.946-0.983), with a sensitivity of 93.7% and a specificity of 91.3%. Verification of this prediction model showed a sensitivity of 92.9% and a specificity of 76%, demonstrating that the effects of this model were satisfactory. CONCLUSIONS: The risk prediction model had a good predictive effect for the risk of BPD in VLBWIs, and can provide a reference for preventive treatment and nursing intervention.

3.
Zhongguo Dang Dai Er Ke Za Zhi ; 23(6): 593-598, 2021 Jun.
Article in Chinese | MEDLINE | ID: mdl-34130781

ABSTRACT

OBJECTIVE: To evaluate the clinical features of preterm infants with a birth weight less than 1 500 g undergoing different intensities of resuscitation. METHODS: A retrospective analysis was performed for the preterm infants with a birth weight less than 1 500 g and a gestational age less than 32 weeks who were treated in the neonatal intensive care unit of 20 hospitals in Jiangsu, China from January 2018 to December 2019. According to the intensity of resuscitation in the delivery room, the infants were divided into three groups:non-tracheal intubation (n=1 184), tracheal intubation (n=166), and extensive cardiopulmonary resuscitation (ECPR; n=116). The three groups were compared in terms of general information and clinical outcomes. RESULTS: Compared with the non-tracheal intubation group, the tracheal intubation and ECPR groups had significantly lower rates of cesarean section and use of antenatal corticosteroid (P < 0.05). As the intensity of resuscitation increased, the Apgar scores at 1 minute and 5 minutes gradually decreased (P < 0.05), and the proportion of infants with Apgar scores of 0 to 3 at 1 minute and 5 minutes gradually increased (P < 0.05). Compared with the non-tracheal intubation group, the tracheal intubation and ECPR groups had significantly higher mortality rate and incidence rates of moderate-severe bronchopulmonary dysplasia and serious complications (P < 0.05). The incidence rates of grade Ⅲ-Ⅳ intracranial hemorrhage and retinopathy of prematurity (stage Ⅲ or above) in the tracheal intubation group were significantly higher than those in the non-tracheal intubation group (P < 0.05). CONCLUSIONS: For preterm infants with a birth weight less than 1 500 g, the higher intensity of resuscitation in the delivery room is related to lower rate of antenatal corticosteroid therapy, lower gestational age, and lower birth weight. The infants undergoing tracheal intubation or ECRP in the delivery room have an increased incidence rate of adverse clinical outcomes. This suggests that it is important to improve the quality of perinatal management and delivery room resuscitation to improve the prognosis of the infants.


Subject(s)
Cesarean Section , Infant, Premature , Birth Weight , China , Female , Gestational Age , Humans , Infant , Infant, Newborn , Pregnancy , Retrospective Studies
4.
BMC Pediatr ; 20(1): 522, 2020 11 16.
Article in English | MEDLINE | ID: mdl-33190629

ABSTRACT

BACKGROUND AND AIM: Human milk has potential protective effects against bronchopulmonary dysplasia (BPD). However, studies on the association between the dose of human milk and BPD in China are limited. This study aimed to evaluate the dose-dependent effects of human milk on BPD and other neonatal morbidities in very low birth weight (VLBW) infants. METHODS: This retrospective cohort study of preterm infants was conducted on preterm infants of gestational age ≤ 34 weeks and birth weight < 1500 g admitted to the multicenter clinical research database for breastfeeding quality improvement in Jiangsu province. The multivariate analysis was performed to compare the effect outcomes of daily graded doses [1-24 mL/(kg · day), 25-49 mL/(kg · day), and ≥ 50 mL/(kg · day) of body weight] of human milk on neonatal outcomes throughout the first 4 weeks of life versus a reference group receiving no human milk. The models were adjusted for potential confounding variables. RESULTS: Of 964 included infants, 279 (28.9%) received exclusive preterm formula, 128 (13.3%) received 1-24 ml/(kg · day), 139 (14.4%) received 25-49 ml/(kg · day), and 418 (43.4%) received ≥50 ml/(kg · day) human milk for the first 4 weeks of life. Compared with infants receiving exclusive formula, those receiving the highest volume of human milk daily [≥50 mL/(kg · day)] had lower incidences of BPD [27.5% in ≥50 mL/(kg · day) vs 40.1% in 0 mL/(kg · day) human milk, P = 0.001)], moderate and severe BPD [8.9% in ≥50 mL/(kg · day) vs 16.1% in 0 mL/(kg · day), P = 0.004], necrotizing enterocolitis [NEC; 3.8% in ≥50 mL/(kg · day) vs 10.8% in 0 mL/(kg · day), P = 0.001], late-onset sepsis [LOS; 9.3% in ≥50 mL/(kg · day) vs 19.7% in 0 mL/(kg · day), P <0.01], and extrauterine growth retardation [EUGR; 38.5% in ≥50 mL/(kg · day) vs 57.6% in 0 mL/(kg · day), P <0.01)]. The logistic regression indicated that those receiving ≥50 ml/kg · day human milk had lower odds of BPD [adjusted odds ratio (AOR) 0.453; 95% confidence interval (CI): 0.309, 0.666], moderate and severe BPD (AOR 0.430; 95% CI: 0.249, 0.742), NEC (AOR 0.314; 95% CI: 0.162, 0. 607), LOS (AOR 0.420; 95% CI: 0.263, 0.673), and EUGR (AOR 0.685; 95% CI: 0.479, 0.979). CONCLUSIONS: A daily threshold amount of ≥50 ml/(kg · day) human milk in the first 4 weeks of life was associated with lower incidence of BPD as well as NEC, LOS, and EUGR in VLBW infants. TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT03453502 . Registration date: March 5, 2018. This study was retrospectively registered.


Subject(s)
Bronchopulmonary Dysplasia , Birth Weight , Bronchopulmonary Dysplasia/epidemiology , Bronchopulmonary Dysplasia/prevention & control , China/epidemiology , Female , Gestational Age , Humans , Infant , Infant, Newborn , Infant, Premature , Infant, Very Low Birth Weight , Milk, Human , Retrospective Studies
5.
Zhongguo Dang Dai Er Ke Za Zhi ; 18(5): 431-4, 2016 May.
Article in Chinese | MEDLINE | ID: mdl-27165593

ABSTRACT

OBJECTIVE: To establish a neonatal pig model of hemolytic jaundice. METHODS: Twelve seven-day-old purebred Yorkshire pigs were randomly divided into an experimental group and a control group (n=6 each). Immunization of New Zealand white rabbits was used to prepare rabbit anti-porcine red blood cell antibodies, and rabbit anti-porcine red blood cell serum was separated. The neonatal pigs in the experimental group were given an intravenous injection of rabbit anti-porcine red blood cell serum (5 mL), and those in the control group were given an intravenous injection of normal saline (5 mL). Venous blood samples were collected every 6 hours for routine blood test and liver function evaluation. RESULTS: The experimental group had a significantly higher serum bilirubin level than the control group at 18 hours after the injection of rabbit anti-porcine red blood cell serum (64±30 µmol/L vs 20±4 µmol/L; P<0.05). In the experimental group, the serum bilirubin level reached the peak at 48 hours (275±31 µmol/L), and decreased significantly at 96 hours after the injection (95±17 µmol/L), but all significantly higher than that in the control group (P<0.05). At 18 hours after the injection, the experimental group had a significantly lower red blood cell (RBC) count than the control group [(4.58±0.32)×10(12)/L vs (5.09±0.44)×10(12)/L; P<0.05]; at 24 hours, the experimental group showed further reductions in RBC count and hemoglobin level and had significantly lower RBC count and hemoglobin level than the control group [RBC: (4.21±0.24)×10(12)/L vs (5.11±0.39)×10(12)/L, P<0.05; hemoglobin: 87±3 g vs 97±6 g, P<0.05]. The differences in RBC count and hemoglobin level between the two groups were largest at 36-48 hours. CONCLUSIONS: The neonatal pig model of hemolytic jaundice simulates the pathological process of human hemolytic jaundice well and provides good biological and material bases for further investigation of neonatal hemolysis.


Subject(s)
Disease Models, Animal , Jaundice/etiology , Animals , Animals, Newborn , Bilirubin/blood , Erythrocyte Count , Female , Hemoglobins/analysis , Male , Rabbits , Swine
6.
Zhongguo Dang Dai Er Ke Za Zhi ; 15(5): 353-5, 2013 May.
Article in Chinese | MEDLINE | ID: mdl-23676936

ABSTRACT

OBJECTIVE: To study the application of umbilical venous catheter (UVC) combined with peripherally inserted central catheter (PICC) in very low birth weight infants (VLBWIs). METHODS: A retrospective analysis was performed on the VLBWIs in the neonatal intensive care unit who received UVC combined with PICC (catheter group, n=63) or did not receive the catheter treatment (non-catheter group, n=38) to compare the differences in nosocomial infection, weight gain, and length of hospital stay between the two groups. RESULTS: The rate of nosocomial infection was 17% in the catheter group and 24% in the non-catheter group (P>0.05). Compared with the non-catheter group, the catheter group had a significantly higher weight gain (11.7±2.0 g/kg•d vs 10.6±2.3 g/kg•d; P<0.05) and a significantly shorter length of hospital stay (40±11 days vs 45±14 days; P<0.05). There was no significant difference in the incidence of complications between the two groups. CONCLUSIONS: Compared with those not receiving catheter treatment, the VLBWIs receiving UVC combined with PICC have a markedly higher weight gain and a markedly shorter length of hospital stay and show a declining trend in the rate of nosocomial infection.


Subject(s)
Catheterization, Peripheral , Central Venous Catheters , Infant, Very Low Birth Weight , Catheterization, Peripheral/adverse effects , Cross Infection/epidemiology , Humans , Infant, Newborn , Retrospective Studies , Umbilical Veins
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