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1.
J Environ Manage ; 360: 121126, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38761629

RESUMO

Soil salinization is a significant global issue that leads to land degradation and loss of ecological function. In coastal areas, salinization hampers vegetation growth, and forestation efforts can accelerate the recovery of ecological functions and enhance resilience to extreme climates. However, the salinity tolerance of tree species varies due to complex biological factors, and results between lab/greenhouse and field studies are often inconsistent. Moreover, in salinized areas affected by extreme climatic and human impacts, afforestation with indigenous species may face adaptability challenges. Therefore, it is crucial to select appropriate cross-species salinity tolerance indicators that have been validated in the field to enhance the success of afforestation and reforestation efforts. This study focuses on five native coastal tree species in Taiwan, conducting afforestation experiments on salt-affected soils mixed with construction and demolition waste. It integrates short-term controlled experiments with potted seedlings and long-term field observations to establish growth performance and physiological and biochemical parameters indicative of salinity tolerance. Results showed that Heritiera littoralis Dryand. exhibited the highest salinity tolerance, accumulating significant leaf proline under increased salinity. Conversely, Melia azedarach Linn. had the lowest tolerance, evidenced by complete defoliation and reduced biomass under salt stress. Generally, the field growth performance of these species aligns with the results of short-term pot experiments. Leaf malondialdehyde content from pot experiments proved to be a reliable cross-species salinity tolerance indicator, correlating negatively with field relative height growth and survival rates. Additionally, parameters related to the photosynthetic system or water status, measured using portable devices, also moderately indicated field survival, aiding in identifying potential salt-tolerant tree species. This study underscores the pivotal role of species selection in afforestation success, demonstrating that small-scale, short-term salinity control experiments coupled with appropriate assessment tools can effectively identify species suitable for highly saline and degraded environments. This approach not only increases the success of afforestation but also conserves resources needed for field replanting and maintenance, supporting sustainable development goals.


Assuntos
Solo , Solo/química , Salinidade , Taiwan , Árvores , Tolerância ao Sal , Conservação dos Recursos Naturais
2.
J Formos Med Assoc ; 122(11): 1150-1157, 2023 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-37225632

RESUMO

BACKGROUND/PURPOSE: Neonatal jaundice might result brain insults. Both autistic spectrum disorder (ASD) and attention deficit hyperactivity disorder (ADHD) are developmental disorders, which might result from early brain injury at neonatal period. We aimed to explore the association between neonatal jaundice treated with phototherapy and the ASD or ADHD. METHODS: This retrospective nationwide population cohort study was based on a nationally representative database of Taiwan, and neonates born from 2004 to 2010 were enrolled. All eligible infants were divided into 4 groups, without jaundice, jaundice with no treatment, jaundice with simple phototherapy only and jaundice with intensive phototherapy or blood exchange transfusion (BET). Each infant was follow-up until the date of incident primary outcomes, death, or 7-year-old, whichever occurred first. Primary outcomes were ASD, ADHD. Using cox proportional hazard model to analyze their associations. RESULTS: In total, 118,222 infants with neonatal jaundice were enrolled, including diagnosed only (7260), simple phototherapy (82,990), intensive phototherapy or BET (27,972 infants). The cumulative incidences of ASD in each group was 0.57%, 0.81%, 0.77%, and 0.83%, respectively. The cumulative incidences of ADHD in each group was 2.83%, 4.04%, 3.52% and 3.48%, respectively. Jaundice groups were significantly associated with ASD, ADHD, or either one, even after all other extraneous maternal and neonatal variables were adjusted. After stratification, the associations were still existed in subgroup with birth weights ≥2500 grams and in male subgroup. CONCLUSION: Neonatal jaundice correlated with the ASD and ADHD. The associations were significant in infants of both sexes and with birth weights larger than 2500 grams.


Assuntos
Transtorno do Deficit de Atenção com Hiperatividade , Transtorno do Espectro Autista , Icterícia Neonatal , Icterícia , Lactente , Recém-Nascido , Feminino , Humanos , Masculino , Criança , Transtorno do Espectro Autista/complicações , Transtorno do Espectro Autista/epidemiologia , Transtorno do Espectro Autista/terapia , Estudos de Coortes , Icterícia Neonatal/epidemiologia , Icterícia Neonatal/terapia , Icterícia Neonatal/complicações , Estudos Retrospectivos , Transtorno do Deficit de Atenção com Hiperatividade/complicações , Transtorno do Deficit de Atenção com Hiperatividade/epidemiologia , Peso ao Nascer , Fatores de Risco , Icterícia/complicações
3.
Int J Mol Sci ; 23(18)2022 Sep 13.
Artigo em Inglês | MEDLINE | ID: mdl-36142574

RESUMO

Background: We developed a hybrid platform using a negative combined with a positive selection strategy to capture circulating tumor cells (CTCs) and detect epidermal growth factor receptor (EGFR) mutations in patients with metastatic lung adenocarcinoma. Methods: Blood samples were collected from patients with pathology-proven treatment-naïve stage IV lung adenocarcinoma. Genomic DNA was extracted from CTCs collected for EGFR mutational tests. The second set of CTC-EGFR mutational tests were performed after three months of anti-cancer therapy. Results: A total of 80 samples collected from 28 patients enrolled between July 2016 and August 2018. Seventeen patients had EGFR mutations, including Exon 19 deletion (n = 11), L858R (n = 5), and de-novo T790 and L858R (n = 1). Concordance between tissue and CTCs before treatment was 88.2% in EGFR- mutant patients and 90.9% in non-mutant patients. The accuracy, sensitivity, specificity, positive predictive value, and negative predictive value of EGFR mutation tests for CTCs were 89.3%, 88.2%, 90.9%, 93.8%, and 83.3%, respectively. Conclusions: CTCs captured by a hybrid platform using a negative and positive selection strategy may serve as a suitable and reliable source of lung cancer tumor DNA for detecting EGFR mutations, including T790M.


Assuntos
Adenocarcinoma de Pulmão , Receptores ErbB/genética , Neoplasias Pulmonares , Células Neoplásicas Circulantes , Adenocarcinoma de Pulmão/genética , Humanos , Neoplasias Pulmonares/patologia , Mutação , Células Neoplásicas Circulantes/patologia , Inibidores de Proteínas Quinases
4.
J Pediatr ; 227: 128-134.e2, 2020 12.
Artigo em Inglês | MEDLINE | ID: mdl-32553865

RESUMO

OBJECTIVE: To determine whether commencement of antibiotics within 3 postnatal days in preterm, very low birth weight (VLBW; ≤1500 g) infants is associated with the development of necrotizing enterocolitis (NEC). STUDY DESIGN: Preplanned statistical analyses were done to study the association between early antibiotic treatment and later NEC development, using the NEOMUNE-NeoNutriNet cohort of VLBW infants from 13 neonatal intensive care units (NICUs) in 5 continents (n = 2831). NEC incidence was compared between infants who received early antibiotics and those who did not, with statistical adjustments for NICU, gestational age, birth weight, sex, delivery mode, antenatal steroid use, Apgar score, and type and initiation of enteral nutrition. RESULTS: The incidence of NEC was 9.0% in the group of infants who did not receive early antibiotics (n = 269), compared with 3.9% in those who did receive early antibiotics (n = 2562). The incidence remained lower in the early antibiotic group after stepwise statistical adjustments for NICU (OR, 0.57; 95% CI, 0.35-0.94, P < .05) and other potential confounders (OR, 0.25; 95% CI, 0.12-0.47; P < .0001). CONCLUSIONS: In this large international cohort of preterm VLBW infants, a small proportion of infants did not receive antibiotics just after birth, and these infants had a higher incidence of NEC. It is important to better understand the role of such variables as time, type, and duration of antibiotic treatment on NEC incidence, immune development, gut colonization, and antibiotic resistance in the NICU.


Assuntos
Antibacterianos/administração & dosagem , Enterocolite Necrosante/epidemiologia , Estudos de Casos e Controles , Estudos de Coortes , Bases de Dados Factuais , Enterocolite Necrosante/prevenção & controle , Feminino , Humanos , Incidência , Recém-Nascido , Doenças do Recém-Nascido/epidemiologia , Doenças do Recém-Nascido/prevenção & controle , Recém-Nascido Prematuro , Recém-Nascido de muito Baixo Peso , Unidades de Terapia Intensiva Neonatal/estatística & dados numéricos , Masculino
5.
J Cell Mol Med ; 23(11): 7664-7672, 2019 11.
Artigo em Inglês | MEDLINE | ID: mdl-31490024

RESUMO

MicroRNA (miRNA) critically controls gene expression in many biological processes, including lung growth and pulmonary surfactant biosynthesis. The present study was conducted to investigate whether miR-20a-5p had such regulatory functions on alveolar type II (AT-II) cells. To accomplish this, miR-20a-5p-overexpressed and miR-20a-5p-inhibited adenoviral vectors were constructed and transfected into cultured AT-II cells that were isolated from rat foetal lungs of 19 days' gestation. Transfection efficiency was confirmed by observing the fluorescence of green fluorescent protein (GFP) carried by the viral vector, whereas miR-20a-5p levels were verified by real-time PCR. The CCK-8 assay was used to compare the proliferation ability of AT-II cells that had over- or underexpressed miR-20a-5p. The expression of surfactant-associated proteins (SPs) and phosphatase and tensin homolog (PTEN) was measured by real-time PCR and Western blotting. In AT-II cells, transfection resulted in over- or under-regulation of miR-20a-5p. While overexpression of miR-20a-5p promoted pulmonary surfactant gene expression, its underexpression inhibited it. Consistent with its role in negatively regulating the pulmonary surfactant gene, an opposite pattern was observed for miR-20a-5p regulation of PTEN. As a result, when miR-20a-5p was rendered overexpressed, PTEN was down-regulated. By contrast, when miR-20a-5p was underexpressed, PTEN was up-regulated. Neither overexpression nor underexpression of miR-20a-5p altered the cell proliferation. miR-20a-5p plays no role in proliferation of foetal AT-II cells but is a critical regulator of surfactant gene expression. The latter appears to be achieved through a regulatory process that implicates expression of PTEN.


Assuntos
Células Epiteliais Alveolares/metabolismo , Regulação da Expressão Gênica , MicroRNAs/metabolismo , Proteínas Associadas a Surfactantes Pulmonares/genética , Células Epiteliais Alveolares/citologia , Animais , Sequência de Bases , Proliferação de Células/genética , Análise por Conglomerados , Regulação para Baixo/genética , Humanos , Recém-Nascido , MicroRNAs/genética , PTEN Fosfo-Hidrolase/metabolismo , Proteínas Associadas a Surfactantes Pulmonares/metabolismo , Ratos Sprague-Dawley , Regulação para Cima/genética
6.
Environ Toxicol ; 33(3): 269-279, 2018 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-29165873

RESUMO

Andrographolide is a potent anti-inflammatory agent found in Andrographis paniculata. Endothelin 1 (ET-1) is an endothelium-derived vasoconstrictor with pro-inflammatory properties secreted in response to hypoxia. Mitogen-activated protein kinase phosphatase 5 (MKP-5) is a dual-specificity phosphatase that dephosphorylates threonine and tyrosine residues of MAPKs. We showed previously that hypoxia-induced HIF-1α expression and ET-1 secretion are dependent on p38 MAPK in EA.hy926 cells. Here, we investigate what role MKP-5 plays in andrographolide's inhibition of hypoxia-induced expression of HIF-1α and ET-1. Hypoxic conditions were created using the hypoxia-mimetic agent CoCl2 . Andrographolide enhanced HO-1 and MKP-5 expression and cellular cGMP content in addition to inhibiting hypoxia-induced ROS generation. Concomitantly, the HO-1 byproduct CO and the cGMP analogue 8-bromoguanosine 3',5'-cyclic monophosphate (8-Br-cGMP) increased MKP-5 expression, and pretreatment with CO and 8-Br-cGMP inhibited hypoxia-induced HIF-1α and ET-1 expression. Transfection of HO-1 siRNA or pretreatment with the HO-1 inhibitor ZnPP-9 or 1H-[1,2,4]oxadiazolo[4,3-a]quinoxalin-1-one, a specific inhibitor of soluble guanylate cyclase, reduced andrographolide-induced MKP-5 expression. Moreover, silencing MKP-5 or treatment with the phosphatase inhibitor vanadate abrogated andrographolide's suppressing hypoxia-induced p38 MAPK activation and HIF-1α expression. The inhibition of hypoxia-induced HIF-1α and ET-1 expression by andrographolide is likely associated with HO-1/CO/cGMP/MKP-5 pathways, which is involved in inhibiting hypoxia-induced p38 MAPK activation.


Assuntos
Anti-Inflamatórios/farmacologia , Monóxido de Carbono/metabolismo , GMP Cíclico/metabolismo , Diterpenos/farmacologia , Fosfatases de Especificidade Dupla/metabolismo , Endotelina-1/metabolismo , Heme Oxigenase-1/metabolismo , Subunidade alfa do Fator 1 Induzível por Hipóxia/metabolismo , Fosfatases da Proteína Quinase Ativada por Mitógeno/metabolismo , Hipóxia Celular , Linhagem Celular , GMP Cíclico/análogos & derivados , GMP Cíclico/farmacologia , Humanos , Tionucleotídeos/farmacologia , Proteínas Quinases p38 Ativadas por Mitógeno/metabolismo
7.
Paediatr Respir Rev ; 22: 83-88, 2017 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-27843119

RESUMO

Bronchopulmonary dysplasia (BPD) is a frequent complication occurring in extremely preterm infants. Despite recent advances in newborn medicine, the incidence of BPD does not appear to have changed markedly, and specific treatments and prevention strategies are still lacking. Nutrition plays an important role in normal lung development and maturation. Malnutrition may delay somatic growth and new alveoli development, thus aggravating pulmonary injury involved in the pathogenesis of BPD. However, few nutrients have been investigated for their potential to mitigate the pathogenesis of BPD. In this article, we reviewed the recent progress in research on potential nutrients useful for the prevention or treatment of BPD, including glutamine, cysteine and N-acetylcysteine, L-arginine and L-citrulline, long chain polyunsaturated fatty acids (LCPUFAs), inositol, selenium, and some antioxidant vitamins including vitamin A. Current evidence shows that vitamin A and LCPUFA can prevent BPD, and that L-citrulline might provide a new method to treat chronic pulmonary hypertension associated with BPD in premature infants. The effects of other nutrients on BPD prevention need to be further studied.


Assuntos
Antioxidantes/uso terapêutico , Displasia Broncopulmonar/prevenção & controle , Hipertensão Pulmonar/tratamento farmacológico , Complexo Vitamínico B/uso terapêutico , Acetilcisteína/uso terapêutico , Arginina/uso terapêutico , Displasia Broncopulmonar/complicações , Displasia Broncopulmonar/tratamento farmacológico , Citrulina/uso terapêutico , Cisteína/uso terapêutico , Ácidos Graxos Insaturados/uso terapêutico , Glutamina/uso terapêutico , Humanos , Hipertensão Pulmonar/etiologia , Lactente , Recém-Nascido , Recém-Nascido Prematuro , Inositol/uso terapêutico , Selênio/uso terapêutico , Vitamina A/uso terapêutico
9.
Environ Toxicol ; 32(3): 918-930, 2017 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-27297870

RESUMO

Andrographolide, the main bioactive component of the medicinal plant Andrographis paniculata, has been shown to possess potent anti-inflammatory activity. Endothelin 1 (ET-1), a potent vasoconstrictor peptide produced by vascular endothelial cells, displays proinflammatory property. Hypoxia-inducible factor 1α (HIF-1α), the regulatory member of the transcription factor heterodimer HIF-1α/ß, is one of the most important molecules that responds to hypoxia. Changes in cellular HIF-1α protein level are the result of altered gene transcription and protein stability, with the latter being dependent on prolyl hydroxylases (PHDs). In this study, inhibition of pro-inflammatory ET-1 expression and changes of HIF-1α gene transcription and protein stability under hypoxia by andrographolide in EA.hy926 endothelial-like cells were investigated. Hypoxic conditions were created using the hypoxia-mimetic agent CoCl2. We found that hypoxia stimulated the production of reactive oxygen species (ROS), the expression of HIF-1α mRNA and protein, and the expression and secretion of ET-1. These effects, however, were attenuated by co-exposure to andrographolide, bilirubin, and RuCO. Silencing Nrf2 and heme oxygenase 1 (HO-1) reversed the inhibitory effects of andrographolide on hypxoia-induced HIF-1α mRNA and protein expression. Moreover, andrographolide increased the expression of prolyl hydroxylases (PHD) 2/3, which hydroxylate HIF-1α and promotes HIF-1α proteasome degradation, with an increase in HIF-1α hydroxylation was noted under hypoxia. Inhibition of p38 MAPK abrogated the hypoxia-induced increases in HIF-1α mRNA and protein expression as well as ET-1 mRNA expression and secretion. Taken together, these results suggest that andrographolide suppresses hypoxia-induced pro-inflammatory ET-1 expression by activating Nrf2/HO-1, inhibiting p38 MAPK signaling, and promoting PHD2/3 expression. © 2016 Wiley Periodicals, Inc. Environ Toxicol 32: 918-930, 2017.


Assuntos
Diterpenos/farmacologia , Endotelina-1/metabolismo , Heme Oxigenase-1/metabolismo , Subunidade alfa do Fator 1 Induzível por Hipóxia/metabolismo , Fator 2 Relacionado a NF-E2/metabolismo , Prolil Hidroxilases/metabolismo , Hipóxia Celular , Linhagem Celular , Sobrevivência Celular/efeitos dos fármacos , Cobalto/toxicidade , Células Endoteliais/citologia , Células Endoteliais/metabolismo , Endotelina-1/genética , Heme Oxigenase-1/antagonistas & inibidores , Heme Oxigenase-1/genética , Humanos , Hidroxilação , Fator 2 Relacionado a NF-E2/antagonistas & inibidores , Fator 2 Relacionado a NF-E2/genética , Prolil Hidroxilases/genética , Interferência de RNA , RNA Mensageiro/metabolismo , RNA Interferente Pequeno/metabolismo , Espécies Reativas de Oxigênio/metabolismo , Transdução de Sinais/efeitos dos fármacos , Proteínas Quinases p38 Ativadas por Mitógeno/metabolismo
10.
Risk Anal ; 36(10): 1855-1870, 2016 10.
Artigo em Inglês | MEDLINE | ID: mdl-26857871

RESUMO

In statistical applications, logistic regression is a popular method for analyzing binary data accompanied by explanatory variables. But when one of the two outcomes is rare, the estimation of model parameters has been shown to be severely biased and hence estimating the probability of rare events occurring based on a logistic regression model would be inaccurate. In this article, we focus on estimating the probability of rare events occurring based on logistic regression models. Instead of selecting a best model, we propose a local model averaging procedure based on a data perturbation technique applied to different information criteria to obtain different probability estimates of rare events occurring. Then an approximately unbiased estimator of Kullback-Leibler loss is used to choose the best one among them. We design complete simulations to show the effectiveness of our approach. For illustration, a necrotizing enterocolitis (NEC) data set is analyzed.

11.
Emerg Infect Dis ; 20(11): 1921-4, 2014 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-25340315

RESUMO

We report 2 cases of neonatal Legionella infection associated with aspiration of contaminated water used in hospitals to make infant formula. The molecular profiles of Legionella strains isolated from samples from the infants and from water dispensers were indistinguishable. Our report highlights the need to consider nosocomial legionellosis among neonates who have respiratory symptoms.


Assuntos
Infecção Hospitalar , Fórmulas Infantis , Legionella/isolamento & purificação , Legionelose/diagnóstico , Legionelose/microbiologia , Microbiologia da Água , Humanos , Recém-Nascido , Legionella/classificação , Legionella/genética , Legionelose/epidemiologia , Masculino , Vigilância da População , Taiwan/epidemiologia
12.
J Pediatr Gastroenterol Nutr ; 58(1): 7-11, 2014 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-24378520

RESUMO

Recent reports show that the incidence of and deaths caused by necrotizing enterocolitis (NEC) in preterm very-low-birth-weight (PVLBW) infants are on the rise. Unfortunately, NEC often rapidly progresses from early signs of intestinal inflammation to extensive necrosis within a matter of hours, making treatment and secondary prevention extremely difficult to achieve. Primary prevention should thus be the priority. Recent studies provide information that enhances our understanding of the pathophysiology and provides more practical options for the prevention of NEC. The most accepted hypothesis at present is that enteral feeding (providing substrate) in the presence of abnormal intestinal colonization by pathogens provokes an inappropriately heightened inflammatory response in immature intestinal epithelial cells of PVLBW infants. Seventy-four relevant articles were reviewed. Our focus was on the present understanding of the pathophysiology of NEC in the context of developing optimal strategies to prevent NEC in PVLBW infants. Strategies such as antenatal glucocorticoids, postnatal breast milk feeding, and cautious approach to enteral feeding failed to eliminate NEC in PVLBW infants because these strategies did not address the complexity of the pathogenesis. Probiotics seem to be the most significant advance in NEC prevention at present because of the significant range of beneficial effects at various levels of gut function and defense mechanism and the present evidence based on 19 randomized controlled trials.


Assuntos
Nutrição Enteral , Enterocolite Necrosante/prevenção & controle , Recém-Nascido Prematuro , Recém-Nascido de muito Baixo Peso , Mucosa Intestinal/patologia , Intestinos/microbiologia , Probióticos/uso terapêutico , Animais , Enterocolite Necrosante/microbiologia , Enterocolite Necrosante/patologia , Humanos , Recém-Nascido , Mucosa Intestinal/microbiologia , Intestinos/patologia
13.
J Formos Med Assoc ; 113(8): 490-7, 2014 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-23701837

RESUMO

Necrotizing enterocolitis (NEC) is still one of the most catastrophic intestinal emergencies in preterm very low-birth weight infants. Primary prevention of NEC should be the priority, since NEC frequently progresses from nonspecific signs, to extensive necrosis within a matter of hours with medical or surgical treatment, making successful treatment and secondary prevention difficult to achieve. Currently available strategies for primary prevention of NEC include antenatal glucocorticosteroids, breast milk feeding, cautious feeding strategy, fluid restriction and probiotics. Nonetheless, based on current research evidence, mixed flora probiotics, and/or breast milk feeding, would appear to be the most effective feasible methods in the prevention of NEC at present.


Assuntos
Enterocolite Necrosante/prevenção & controle , Enterocolite Necrosante/fisiopatologia , Recém-Nascido de muito Baixo Peso , Animais , Aleitamento Materno , Modelos Animais de Doenças , Disbiose , Glucocorticoides/uso terapêutico , Humanos , Lactente , Recém-Nascido , Recém-Nascido Prematuro , Probióticos , Reação Transfusional
14.
Pediatr Neonatol ; 2024 May 21.
Artigo em Inglês | MEDLINE | ID: mdl-38811322

RESUMO

BACKGROUND: We conducted a nationwide population-based case-control study to analyse potential predisposing factors for hearing loss (HL) that present during the fetal, perinatal, and postnatal periods in prematurely born children. METHODS: This study enrolled 21,576 children born at < 37 weeks of gestation; 3,596 with HL and 17,980 with normal hearing born between 2002 and 2015, matched for sex, age at diagnosis, and enrollment time. Data were abstracted from the concatenation of three nationwide databases for overall risk factors till the diagnosis of HL. RESULTS: Maternal HL, maternal diabetes, particularly type 1 diabetes mellitus, and at or before 32 weeks of gestation were the major obstetric risk factors for HL. Prematurely born children who were born via cesarean section and received a combination of antenatal steroids and magnesium sulfate exhibited a significantly reduced risk of developing HL. Ear malformation was a critical predictor for HL. The major postnatal risk factors included seizure and ototoxic drugs use. Premature infants diagnosed with more than 1 diagnosis of bronchopulmonary dysplasia, necrotizing enterocolitis, and intracerebral hemorrhage were at an increased risk of developing HL. Congenital CMV infection and recurrent acute otitis were also independent postnatal factors for HL in prematurely born children. CONCLUSION: To reduce the incidence of childhood HL in prematurely born children, aggressive management of premature birth-related consequences and treatable causes and longitudinal audiological follow-up with early detection and adequate intervention are crucial.

15.
Pediatr Neonatol ; 2024 Mar 24.
Artigo em Inglês | MEDLINE | ID: mdl-38531715

RESUMO

BACKGROUND: Children of mothers with chronic-hypertension in pregnancy have high rates of preterm-birth (<37 weeks of gestation) and small-for-gestational-age (SGA), both of which are risk factors of cerebral palsy (CP). This study investigated the cumulative risks of CP in children exposed to maternal chronic-hypertension vs. other types of hypertensive-disorders-of-pregnancy (HDP), and whether preterm-birth and SGA potentiate the antenatal impact of chronic-hypertension to increase CP hazards. METHODS: This population-based cohort study enrolled 1,417,373 mother-child pairs with singleton live births between 2004 and 2011 from the Taiwan Maternal and Child Health Database. A total of 19,457 pairs with HDP were identified and propensity-score-matched with 97,285 normotensive controls. Children were followed up for CP outcome until age 6-13 years. HDP were classified into chronic-hypertension, gestational-hypertension, preeclampsia, and preeclampsia-with-chronic-hypertension. Using the normotensive group as the reference, the associations between chronic-hypertension and CP hazard were assessed with adjusted hazard ratios (HR) and 95% confidence intervals (CI) in Cox proportional hazards regression models, and the effects of preterm-birth and SGA on the associations were examined. RESULTS: The HDP group had higher rates of CP (0.8%) than the normotensive group (0.5%), particularly the subgroup of preeclampsia-with-chronic-hypertension (1.0%), followed by preeclampsia (0.9%), chronic-hypertension (0.7%) and gestational-hypertension (0.6%). Preterm-birth, but not SGA, exerted moderating effects to increase CP risks in children exposed to maternal chronic-hypertension. Before adjustments, chronic-hypertension alone had no substantial contribution to CP hazard (HR 1.35, 95% CI 1.00-1.83), while preeclampsia alone (1.64, 1.28-2.11) or with superimposed-chronic-hypertension (1.83, 1.16-2.89) had significant effects. After including preterm-birth in the multivariable model, the CP hazard for chronic-hypertension alone rather than other types of HDP was raised and became significant (1.56, 1.15-2.12), and the significance remained after stepwise adjustments in the final model (1.74, 1.16-2.60). CONCLUSIONS: Preterm-birth might potentiate CP hazards in children of mothers with chronic-hypertension in pregnancy.

16.
Neonatology ; : 1-10, 2024 May 24.
Artigo em Inglês | MEDLINE | ID: mdl-38797163

RESUMO

INTRODUCTION: Meconium aspiration syndrome (MAS) may cause severe pulmonary and neurologic injuries in affected infants after birth, leading to long-term adverse pulmonary or neurodevelopmental outcomes. METHODS: This retrospective population-based cohort study enrolled 1,554,069 mother-child pairs between 2004 and 2014. A total of 8,049 infants were in the MAS-affected group, whereas 1,546,020 were in the healthy control group. Children were followed up for at least 3 years. According to respiratory support, MAS was classified as mild, moderate, and severe. With the healthy control group as the reference, the associations between MAS severity and adverse pulmonary outcomes (hospital admission, intensive care unit (ICU) admission, length of hospital stay, or invasive ventilator support during admission related to pulmonary problem) or adverse neurodevelopmental outcomes (cerebral palsy, needs for rehabilitation, visual impairment, or hearing impairment) were accessed. RESULTS: MAS-affected infants had a higher risk of hospital and ICU admission and longer length of hospital stay, regardless of severity. Infants with severe MAS had a higher risk of invasive ventilator support during re-admission (odds ratio: 17.50, 95% confidence interval [CI]: 7.70-39.75, p < 0.001). Moderate (hazard ratio [HR]: 1.66, 95% CI: 1.30-2.13, p < 0.001) and severe (HR: 4.94, 95% CI: 4.94-7.11, p < 0.001) MAS groups had a higher risk of adverse neurodevelopmental outcome, and the statistical significance remained remarkable in severe MAS group after adjusting for covariates (adjusted HR: 2.28, 95% CI: 1.54-3.38, p < 0.001) Conclusions: Adverse pulmonary or neurodevelopmental outcomes could occur in MAS-affected infants at birth. Close monitoring and follow-up of MAS-affected infants are warranted.

17.
J Pediatr Gastroenterol Nutr ; 57(1): 23-8, 2013 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-23535766

RESUMO

OBJECTIVE: The aim of the present study was to investigate the most effective probiotic combinations to prevent death and necrotizing enterocolitis (NEC) in a premature rat model. METHODS: One hundred fifty-eight premature Sprague-Dawley premature rats were enrolled. Probiotic strains Bifidobacterium bifidum, B longum, Lactobacillus acidophilus, L plantarum, and B breve were fed as a single strain or mixture with 2 or 3 strains for a total of 9 study groups; control groups received no exogenous probiotic supplement. Fecal samples were collected for 72 hours to detect probiotic strains and pathologic strains by real-time polymerase chain reaction. Colony counts of probiotic strains Escherichia coli and Klebsiella were compared between groups before and after 36 hours of the study period. The incidence of death and NEC were compared via Fisher exact test between groups. RESULTS: The results demonstrated that L plantarum alone (P = 0.0026) and B bifidum with B longum together (P = 0.0017) were more effective in reducing NEC as compared with the control group. All of the study groups except B breve and B bifidum with B breve definitely prevented death compared with controls. B bifidum and B longum together had significantly lower mortality than the control group (P < 0.0001). Colony counts of E coli and Klebsiella in stool samples were significantly decreased in the B bifidum, B longum, and L plantarum group compared with the other study and control groups after 36 hours. CONCLUSIONS: Administration of a mixture of probiotic strains with B bifidum and B longum was most effective in preventing death and NEC in this animal model, and these observations provide an evidence-based strategy for designing further neonatal clinical trials.


Assuntos
Modelos Animais de Doenças , Enterocolite Necrosante/prevenção & controle , Nascimento Prematuro/fisiopatologia , Probióticos/uso terapêutico , Animais , Animais Recém-Nascidos , Bifidobacterium/classificação , Bifidobacterium/crescimento & desenvolvimento , Bifidobacterium/isolamento & purificação , Contagem de Colônia Microbiana , Enterocolite Necrosante/etiologia , Enterocolite Necrosante/microbiologia , Enterocolite Necrosante/patologia , Escherichia coli/classificação , Escherichia coli/crescimento & desenvolvimento , Escherichia coli/isolamento & purificação , Fezes/microbiologia , Feminino , Mucosa Intestinal/microbiologia , Mucosa Intestinal/patologia , Klebsiella/classificação , Klebsiella/crescimento & desenvolvimento , Klebsiella/isolamento & purificação , Lactobacillus/classificação , Lactobacillus/crescimento & desenvolvimento , Lactobacillus/isolamento & purificação , Masculino , Interações Microbianas , Tipagem Molecular , Gravidez , Ratos , Ratos Sprague-Dawley
18.
Neonatology ; 120(5): 607-614, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37321203

RESUMO

INTRODUCTION: Studies on risk factors for childhood hearing loss (HL) are usually based on questionnaires or small sample sizes. We conducted a nationwide population-based case-control study to comprehensively analyze the maternal, perinatal, and postnatal risk factors for HL in full-term children. METHODS: We retrieved data from three nationwide databases related to maternal characteristics, perinatal comorbidities, and postnatal characteristics and adverse events. We used 1:5 propensity score matching to include 12,873 full-term children with HL and 64,365 age-, sex-, and enrolled year-matched controls. Conditional logistic regression was used to evaluate the risk factors for HL. RESULTS: Among the various maternal factors, maternal HL (adjusted odds ratio [aOR]: 8.09, 95% confidence interval [95% CI]: 7.16-9.16) and type 1 diabetes (aOR: 3.79, 95% CI: 1.98-7.24) had the highest odds of childhood hearing impairment. The major perinatal risk factors for childhood hearing impairment included ear malformations (aOR: 58.78, 95% CI: 37.5-92.0) and chromosomal anomalies (aOR: 6.70, 95% CI: 5.25-8.55), and the major postnatal risk factors included meningitis (aOR: 2.08, 95% CI: 1.18-3.67) and seizure (aOR: 3.71, 95% CI: 2.88-4.77). Other factors included acute otitis media, postnatal ototoxic drug use, and congenital infections. CONCLUSIONS: Many risk factors for childhood HL identified in our study are preventable, such as congenital infection, meningitis, ototoxic drug use, and some maternal comorbidities. Accordingly, more effort is required to prevent and control the severity of maternal comorbidities during pregnancy, initiate genetic diagnostic evaluation for high-risk children, and aggressive screening for neonatal infections.


Assuntos
Doenças Fetais , Perda Auditiva , Doenças do Recém-Nascido , Gravidez , Recém-Nascido , Feminino , Humanos , Criança , Estudos de Casos e Controles , Parto , Fatores de Risco , Perda Auditiva/epidemiologia , Perda Auditiva/etiologia
19.
Bot Stud ; 64(1): 26, 2023 Sep 22.
Artigo em Inglês | MEDLINE | ID: mdl-37736799

RESUMO

BACKGROUND: The climbing strategies of lianas and herbaceous vines influence climber competition abilities and survival. The aim of this study was to investigate the climbing strategies of each plant species and observe their organs of origin. RESULTS: The results showed that all Taiwan climbers were approximately 555 species, accounting for 11% of the native flora. Among the 555 climbers, the twining stem type was the most common, with a total of 255 species (46%), the remaining climbing methods accounted for 300 species. Approximately twenty one climbing methods, including nine combination types, were exhibited, of which the most common type was the twining stem, followed by simple scrambling and twining tendrils. Most species of Fabaceae and Apocynaceae were twining stems in dextrorse, excluding Wisteriopsis reticulata and Alyxia taiwanensis, which were in sinistrorse. The prehensile branch of Fissistigma genus, Ventilago genus, and Dalbergia benthamii, originated from second-order or modified stems. In the simple scrambling type, some climbers were covered spines and prickles to attach the host, and the others were clinging to the supports or creeping on the ground without speculation. The hooks or grapnels of the genus Uncaria are derived from the branches, and a pair of curved hooks or a spine of Artabotrys hexapetalus are originated from the inflorescence to tightly attach to a host. The Piper genus use adhesive roots to climb their hosts. Among the genus Trichosanthes, only Trichosanthes homophylla exhibits a combination of twining modified shoots and adhesive roots. Gentianales includes four families with seven climbing mechanisms, while Fabales includes only Fabaceae, which presents six climbing methods. CONCLUSIONS: The twining tendrils had nine organs of origin in Taiwan climber, that these opinions of originated organs might be available to the studies of convergent evolution. The data presented herein provide crucial basic information of the climber habits types and origin structures, which are available for terms standardization to improve field investigation. The terminologies would aid in the establishment of climber habits as commonly taxon-specific and the combination of two climber habits could be a characteristic of taxonomic value.

20.
Early Hum Dev ; 185: 105856, 2023 10.
Artigo em Inglês | MEDLINE | ID: mdl-37688888

RESUMO

BACKGROUND: Children of mothers with hypertensive-disorders-of-pregnancy (HDP) have high rates of preterm-birth (<37 weeks' gestation) and small-for-gestational-age (SGA), both of which are risk factors of intellectual disability (ID). AIMS: To test the multiple-hit hypothesis that preterm-birth and SGA in the neonatal period might potentiate the antenatal impact of HDP to increase childhood ID hazards, and HDP might not have independent effects. METHODS: This population-based cohort study enrolled 1,417,373 mother-child pairs between 2004 and 2011. A total of 19,457 pairs with HDP were identified and propensity-score-matched with 97,285 normotensive controls. Children were followed up for ID outcome until 6-13 years of age. HDP were classified into chronic-hypertension, gestational-hypertension, preeclampsia, and preeclampsia-with-chronic-hypertension. Using the normotensive group as the reference, the associations between HDP subgroups and ID hazards were assessed with adjusted hazard ratios (aHR) and 95 % confidence intervals (CI), and the effects of preterm-birth and SGA on the associations were examined. RESULTS: The HDP group had higher cumulative rates of ID (1.6 %) than the normotensive group (0.9 %), particularly the subgroup of preeclampsia-with-chronic-hypertension (2.4 %), followed by preeclampsia (1.7 %), chronic-hypertension (1.5 %) and gestational hypertension (1.0 %). Preterm-birth and SGA exerted aggravating effects on ID hazards in children exposed to any HDP. After adjustments, maternal chronic-hypertension (aHR 1.59, 95 % CI 1.28-1.97), preeclampsia (1.52, 1.26-1.83), and preeclampsia-with-chronic-hypertension (1.86, 1.38-2.51) independently contributed to ID outcome. CONCLUSIONS: Maternal HDP other than gestational hypertension increased offspring's ID hazards independently from the potentiating hits of preterm-birth and SGA, implicating long-lasting influence of in-utero HDP exposure on children's cognitive development.


Assuntos
Hipertensão Induzida pela Gravidez , Deficiência Intelectual , Pré-Eclâmpsia , Nascimento Prematuro , Criança , Recém-Nascido , Gravidez , Feminino , Humanos , Hipertensão Induzida pela Gravidez/epidemiologia , Nascimento Prematuro/epidemiologia , Estudos de Coortes , Idade Gestacional , Deficiência Intelectual/epidemiologia
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