scholarly journals Risk Factors of Metabolic Bone Disease in Bronchopulmonary Dysplasia Premature Infants With Gestational Age Less Than 32 Weeks

2020 ◽  
Author(s):  
Wenwen Chen ◽  
Zhenghai Zhang ◽  
Shuzhen Dai ◽  
Xu Liping

Abstract BackgroundMetabolic bone disease (MBD) is a complication of multifactorial aetiology in preterm infants. Several risk factors have been identified in general. Bronchopulmonary Dysplasia (BPD) infants present an increased incidence of MBD, but it is unknown which factors contribute to this. The aim of this study was to determine the risk factors for developing MBD in BPD infants.MethodsA retrospective review of the medical records of BPD infants admitted to the Neonatal Intensive Care Unit (NICU) at Zhangzhou Hospital between Jun 2016 and May 2020. BPD infants with MBD were identified, two contemporaneous without MBD matched by gestational age and gender were randomly selected as control infants for each case of MBD. The association between putative risk factors and MBD was estimated with ORs and 95% CIs. A P-value threshold ≤0.2 was used in univariate analysis for inclusion into a multivariate (adjusted) model with a P-value of < 0.05 as statistically significant.ResultsA total of 156 BPD infants were enrolled with 52 cases of MBD and 104 controls. Fetal growth restriction (OR 5.60, 95% CI, 1.77–17.72), extremely low birth weight (OR 3.70, 95% CI, 1.35–10.10), feeding volume <80 mL/kg/day at the end of the 4th week after birth (OR 12.21, 95% CI, 3.89–38.33), cholestasis (OR 4.29, 95% CI, 1.65–11.15), and late onset sepsis (OR 3.79, 95% CI, 1.12–12.77) were found to be statistically significant risk factors for MBD in BPD infants.ConclusionIn gestational age homogeneous BPD infants, fetal growth restriction, extremely low birth weight, feeding volume<80 mL/kg/day at the end of the 4th week after birth and late onset sepsis are significant risk factors for MBD. These findings provide potential predictive factors for MBD in BPD infants but still warrant prospective validation.

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Wenwen Chen ◽  
Zhenhai Zhang ◽  
Shuzhen Dai ◽  
Liping Xu

Abstract Background Bronchopulmonary dysplasia (BPD) infants present an increased incidence of metabolic bone disease (MBD), but it is unknown which factors contribute to this. The aim of this study was to determine the risk factors for developing MBD in BPD infants. Methods A retrospective review of the medical records of BPD infants admitted to the Neonatal intensive care unit at Zhangzhou Hospital between Jun 2016 and May 2020 was performed. BPD infants with MBD were identified, two contemporaneous without MBD matched by gestational age and gender were randomly selected as controls for each case of MBD. The association between putative risk factors and MBD was estimated with ORs and 95% CIs. A P-value threshold ≤0.2 was used in univariate analysis for inclusion into a multivariate (adjusted) model with a P-value of < 0.05 as statistically significant. Results A total of 156 BPD infants were enrolled with 52 cases of MBD and 104 controls. Fetal growth restriction (OR 6.00, 95% CI, 1.81–19.84), extremely low birth weight (OR 3.10, 95% CI, 1.07–8.94), feeding volume < 80 mL/kg/d at the end of the 4th week after birth (OR 14.98, 95% CI, 4.04–55.58), cholestasis (OR 4.44, 95% CI, 1.59–12.40), late onset sepsis (OR 3.95, 95% CI, 1.12–13.98) and prolonged (> 2 weeks) diuretics application (OR 5.45, 95% CI, 1.25–23.84) were found to be statistically significant risk factors for MBD in BPD infants. Conclusion In BPD infants of homogeneous gestational age, fetal growth restriction, extremely low birth weight, feeding volume < 80 mL/kg/d at the end of the 4th week after birth, cholestasis and late onset sepsis are significant risk factors for MBD. These findings provide potential predictive factors for MBD in BPD infants and warrant prospective validation.


2021 ◽  
Vol 9 ◽  
Author(s):  
Salvatore Tagliaferri ◽  
Pasquale Cepparulo ◽  
Antonio Vinciguerra ◽  
Marta Campanile ◽  
Giuseppina Esposito ◽  
...  

Current tests available to diagnose fetal hypoxia in-utero lack sensitivity thus failing to identify many fetuses at risk. Emerging evidence suggests that microRNAs derived from the placenta circulate in the maternal blood during pregnancy and may be used as non-invasive biomarkers for pregnancy complications. With the intent to identify putative markers of fetal growth restriction (FGR) and new therapeutic druggable targets, we examined, in maternal blood samples, the expression of a group of microRNAs, known to be regulated by hypoxia. The expression of microRNAs was evaluated in maternal plasma samples collected from (1) women carrying a preterm FGR fetus (FGR group) or (2) women with an appropriately grown fetus matched at the same gestational age (Control group). To discriminate between early- and late-onset FGR, the study population was divided into two subgroups according to the gestational age at delivery. Four microRNAs were identified as possible candidates for the diagnosis of FGR: miR-16-5p, miR-103-3p, miR-107-3p, and miR-27b-3p. All four selected miRNAs, measured by RT-PCR, resulted upregulated in FGR blood samples before the 32nd week of gestation. By contrast, miRNA103-3p and miRNA107-3p, analyzed between the 32nd and 37th week of gestation, showed lower expression in the FGR group compared to aged matched controls. Our results showed that measurement of miRNAs in maternal blood may form the basis for a future diagnostic test to determine the degree of fetal hypoxia in FGR, thus allowing the start of appropriate therapeutic interventions to alleviate the burden of this disease.


Author(s):  
Y. Al-Jebawi ◽  
K. Karalic ◽  
P. Shekhawat ◽  
M.J. Mhanna

BACKGROUND: Late-onset sepsis is common in extremely low birth weight (ELBW) infants, and it leads to the use of antibiotics to cover resistant organisms, which can be nephrotoxic. Here we have investigated the role of vancomycin plus piperacillin-tazobactam on the rate of acute kidney injury (AKI). METHODS: In a retrospective case-control study, medical records of all ELBW infants who were admitted to our Neonatal Intensive Care Unit (NICU) with late onset sepsis who were prescribed vancomycin plus piperacillin-tazobactam were reviewed for demographics, clinical characteristics, use of potential nephrotoxic medications and outcomes. RESULTS: During the study period, 264 patients were admitted, of whom 28.4%(75/264) received vancomycin plus piperacillin-tazobactam and were matched with 64 controls. There were no differences in gestational age or birth weight between cases and controls [688±160 vs. 689±162 grams (p = 0.99), and 24.7±1.8 vs. 24.7±1.6 weeks (p = 0.99) respectively]. There was no difference in the rate of sepsis between cases and controls [76%(55/72) vs. 64%(41/64) respectively, p = 0.11]. Infants exposed to vancomycin plus piperacillin-tazobactam had a higher percentage of concomitant use of vasopressors and amphotericin. To adjust for confounders, a logistic regression analysis was conducted with AKI as the dependent variable. Use of vasopressors and vancomycin plus piperacillin-tazobactam were the only risk factors associated with AKI with an adjusted OR (95%CI) of 4.08 (1.90–8.74), p <  0.001; and 2.87 (1.26–6.53), p = 0.01 respectively. CONCLUSION: The use of vancomycin plus piperacillin-tazobactam in ELBW infants is associated with an increased risk for AKI.


Author(s):  
Heera Shenoy T. ◽  
Sonia X. James ◽  
Sheela Shenoy T.

Background: Fetal Growth Restriction (FGR) is the single largest contributing factor to perinatal morbidity in non-anomalous foetuses. Synonymous with Intrauterine Growth Restriction (IUGR), it is defined as an estimated fetal weight less than the10th percentile. Obstetric Doppler has helped in early detection and timely intervention in babies with FGR with significant improvements in perinatal outcomes.  Hence, authors evaluated the maternal risk factors and diagnosis-delivery intervals and perinatal outcomes in FGR using Doppler.Methods: This research conducted in a tertiary care hospital in South Kerala included 82 pregnant women who gave birth to neonates with birth weight less than the 10th percentile over a period of1 year (Jan 1, 2017-Dec 31, 2017). Socio-demographic, maternal risk, Diagnosis- delivery interval in FGR and neonatal morbidities were studied.Results: Mean GA at diagnosis in weeks was 34.29 and 35.19 respectively for abnormal and normal Doppler respectively (p value-0.032). The mean birthweight in Doppler abnormal FGR was 272.34 g lesser than in Doppler normal group (p value-0.001). Growth restricted low birth weight neonates had Doppler   pattern abnormalities (p value-0.0009). FGR <3rd percentile and AFI <5 had abnormal Doppler (OR:6.7). Abnormal biophysical profile (OR:14) and Non-Reactive NST (OR:3.5) correlated with abnormal Doppler. Growth restricted with normal Doppler had shorter NICU stays than with abnormalities (p value-0.003). Term FGR went home early than early preterm. (p value-0.001).Conclusions: Abnormal Doppler velocimetry is significantly associated with earlier FGR detection, shorter decision- delivery interval, reduction in the mean birthweight and longer NICU stay. Hence, Umbilical artery Doppler and Cerebroplacental index is an integral part of in-utero fetal surveillance to identify impending fetal hypoxia, appropriate management, optimising the timing of delivery and improve perinatal health in FGR.


2008 ◽  
Vol 27 (5) ◽  
pp. 351-354 ◽  
Author(s):  
Susan Givens Bell

LATE-ONSET SEPSIS AMONG very low birth weight (VLBW) and extremely low birth weight (ELBW) neonates is a troubling occurrence. The most recently published data from the National Nosocomial Infection Surveillance system documents 5.4 umbilical- and central line–related bloodstream infections (BSIs) per 1,000 catheter days in infants weighing between 1,001 and 1,500 g.1 For infants weighing 1,000 g or less, the rate is 9.1 infections per 1,000 catheter days. A variety of factors, including prematurity and related relative immunocompromise, altered skin integrity, and multiple invasive procedures, places VLBW and ELBW neonates at risk for infection. Tunneled central catheters or peripherally inserted central catheters (PICCs) clearly add to the risk of infection in these vulnerable patients. In a point prevalence survey of a network of 29 NICUs, researchers found that coagulase-negative Staphylococcus (CoNS) was the causative organism in nearly half (48.3 percent) of the documented bloodstream infections.2 Vancomycin prophylaxis is a potential strategy for the prevention of late-onset sepsis associated with CoNS. This column explores the efficacy and safety of this strategy.


2019 ◽  
Author(s):  
Haiqing Zheng ◽  
Yan Feng ◽  
Jiexin Zhang ◽  
Kuanrong Li ◽  
Huiying Liang ◽  
...  

Abstract Background Prediction models for early and late fetal growth restriction (FGR) have been established in many high-income countries. However, prediction models for late FGR in China are limited. This study aimed to develop a simple combined first- and second-trimester prediction model for screening late-onset FGR in South Chinese infants.Methods This retrospective study included 2258 women who had singleton pregnancies and received routine ultrasound scans. Late-onset FGR was defined as a birth weight < the 10th percentile plus abnormal Doppler indices and/or a birth weight below the 3rd percentile after 32 weeks, regardless of the Doppler status. Multivariate logistic regression was used to develop a prediction model.Results Ninety-three fetuses were identified as late-onset FGR. The significant predictors for late-onset FGR were maternal age, height, weight, and medical history; the second-trimester head circumference (HC)/abdominal circumference (AC) ratio; and the estimated fetal weight (EFW). This model achieved a detection rate (DR) of 52.6% for late-onset FGR at a 10% false positive rate (FPR) (area under the curve (AUC): 0.80, 95%CI 0.76-0.85).Conclusions A multivariate model combining first- and second-trimester default tests can detect 52.6% of cases of late-onset FGR. Further studies with more screening markers are needed to improve the detection rate.


2020 ◽  
Author(s):  
Haiqing Zheng ◽  
Yan Feng ◽  
Jiexin Zhang ◽  
Kuanrong Li ◽  
Huiying Liang ◽  
...  

Abstract Background: Prediction models for early and late fetal growth restriction (FGR) have been established in many high-income countries. However, prediction models for late FGR in China are limited. This study aimed to develop a simple combined first- and second-trimester prediction model for screening late-onset FGR in South Chinese infants. Methods: This retrospective study included 2258 women who had singleton pregnancies and received routine ultrasound scans as training dataset. A validation dataset including 565 pregnant women was used to evaluate the model in order to enable an unbiased estimation. Late-onset FGR was defined as a birth weight < the 10th percentile plus abnormal Doppler indices and/or a birth weight below the 3rd percentile after 32 weeks, regardless of the Doppler status. Multivariate logistic regression was used to develop a prediction model. The model included the a priori risk (maternal characteristics), the second-trimester head circumference (HC/AC) / abdomen circumference (HC) ratio and estimated fetal weight (EFW). Results: Ninety-three fetuses were identified as late-onset FGR. The significant predictors for late-onset FGR were maternal age, height, weight, and medical history; the second-trimester HC/ AC ratio; and the EFW. This model achieved a detection rate (DR) of 52.6% for late-onset FGR at a 10% false positive rate (FPR) (area under the curve (AUC): 0.80, 95%CI 0.76-0.85). The AUC of the validation dataset was 0.65 (95%CI 0.54-0.78). Conclusions: A multivariate model combining first- and second-trimester default tests can detect 52.6% of cases of late-onset FGR at a 10% FPR. Further studies with more screening markers are needed to improve the detection rate.


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