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1.
Ital J Pediatr ; 50(1): 71, 2024 Apr 16.
Artigo em Inglês | MEDLINE | ID: mdl-38627855

RESUMO

BACKGROUND: Congenital cytomegalovirus (cCMV) infection, resulting from non-primary maternal infection or reactivation during pregnancy, can cause serious fetal abnormalities, complications in the immediate neonatal period, and severe sequelae later in childhood. Maternal non-primary cytomegalovirus infection in pregnancy is transmitted to the fetus in 0.5-2% of cases (1). CASE PRESENTATION: An African full term male newbornwas delivered by emergency caesarean section. Due to signs of asphyxia at birth and clinical moderate encephalopathy, he underwent therapeutic hypothermia. Continuous full video-electroencephalography monitoring showed no seizures during the first 72 h, however, soon after rewarming, he presented refractory status epilepticus due to an intracranial hemorrhage, related to severe thrombocytopenia. The patient also presented signs of sepsis (hypotension and signs of reduced perfusions). An echocardiography revealed severe cardiac failure with an ejection fraction of 33% and signs suggestive of cardiomyopathy. Research for CMV DNA Polymerase Chain Reaction (PCR) on urine, blood, cerebrospinal fluid, and nasopharyngeal secretions was positive.The mother had positive CMV IgG with negative IgM shortly before pregnancy. Serology for CMV was therefore not repeated during pregnancy, but CMV DNA performed on the Guthrie bloodspot taken at birth yielded a positive result, confirming the intrauterine transmission and congenital origin of the infection. The baby was discharged in good general condition and follow up showed a normal neurodevelopmental outcome at 9 months. CONCLUSION: Although uncommon, congenital cytomegalovirus infection should be included in the differential diagnosis of intraventricular hemorrhage and cardiomyopathy. Furthermore, this case highlights the possible severity of congenital cytomegalovirus infection, even in cases of previous maternal immunity.


Assuntos
Cardiomiopatias , Infecções por Citomegalovirus , Complicações Infecciosas na Gravidez , Recém-Nascido , Gravidez , Masculino , Humanos , Feminino , Citomegalovirus , Complicações Infecciosas na Gravidez/diagnóstico , Hemorragia Cerebral Intraventricular , Cesárea , Infecções por Citomegalovirus/complicações , Infecções por Citomegalovirus/diagnóstico , Infecções por Citomegalovirus/tratamento farmacológico , DNA Viral/análise , Mães
2.
Cytokine ; 177: 156565, 2024 05.
Artigo em Inglês | MEDLINE | ID: mdl-38442443

RESUMO

BACKGROUND: Perinatal hypoxia triggers the release of cytokines and chemokines by neurons, astrocytes and microglia. In response to hypoxia-ischemia resting/ramified microglia proliferate and undergo activation, producing proinflammatory molecules. The brain damage extension seems to be related to both the severity of hypoxia and the balance between pro and anti-inflammatory response and can be explored with neuroimaging. AIMS: The aim of this preliminary study was to explore possible relationships between plasma levels of inflammatory cytokines/chemokines and the severe brain damage detectable by Magnetic Resonance Imaging (MRI), performed during the hospitalization. METHODS: In 10 full terms neonates with hypoxic ischemic encephalopathy (HIE) undergoing therapeutic hypothermia (TH), divided into cases and controls, according to MRI results, we measured and compared the plasma levels of CCL2/MCP-1, CXCL8, GFAP, IFN y, IL-10, IL-18, IL-6, CCL3, ENOLASE2, GM-CSF, IL-1b, IL-12p70, IL-33, TNFα, collected at four different time points during TH (24, 25-48, 49-72 h of life, and 7-10 days from birth). Five of enrolled babies had pathological brain MRI (cases) and 5 had a normal MRI examination (controls). Cytokines were measured by Magnetic Luminex Assay. MRI images were classified according to Barkovich's score. RESULTS: Mean levels of all cytokines and molecules at time T1 were not significantly different in the two groups. Comparing samples paired by day of collection, the greatest differences between cases and controls were found at times T2 and T3, during TH. At T4, levels tended to get closer again (except for IL-6, IL10 and IL18). Infants with worse MRI showed higher plasmatic GFAP levels than those with normal MRI, while their IL-18 was lower. The mean levels of CCL3MIP1alpha, GMCSF, IL1BETA overlapped throughout the observation period in both groups. CONCLUSION: In a small number of infants with worse brain MRI, we found higher levels of GFAP and of IL-10 at T4 and a trend toward low IL-18 levels than in infants with normal MRI, considered early biomarker of brain damage and a predictor of adverse outcome, respectively. The greatest, although not significant, difference between the levels of molecules was found in cases and controls at time points T2 and T3, during TH.


Assuntos
Lesões Encefálicas , Hipóxia-Isquemia Encefálica , Recém-Nascido , Lactente , Feminino , Gravidez , Humanos , Hipóxia-Isquemia Encefálica/diagnóstico por imagem , Citocinas/metabolismo , Interleucina-10/metabolismo , Interleucina-18/metabolismo , Proteína Glial Fibrilar Ácida/metabolismo , Interleucina-6/metabolismo , Encéfalo/metabolismo , Imageamento por Ressonância Magnética/métodos , Quimiocinas/metabolismo , Neuroimagem
3.
Eur J Pediatr ; 182(12): 5607-5613, 2023 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-37816981

RESUMO

A "bundle" is defined as a combination of evidence-based interventions that, if followed collectively and reliably, improve patient outcomes. The aim of this quasi-experimental study, conducted in a level-III NICU in Belgium, was to assess the impact of central line dressing and maintenance bundle implementation on the rate of catheter-related mechanical complications. We performed a quality improvement (QI) project. Prior to bundle implementation, neonatal PICC lines were secured by Steri-Strip® and occlusive dressing. We implemented a new PICC bundle consisting of the use of glue, sutureless device (Griplock®), and a transparent dressing to secure the catheter to the skin. We compared the rate of infections, mechanical complications, and dislocations before and after bundle implementation (periods 1 and 2, respectively). The use of glue resulted in a significantly decreased rate of central line-associated bloodstream infection (CLABSI) (p < 0.001), dislocations, and mechanical complications (p < 0.0001). During period 2, there was a significant increase for the average number of days the catheter stayed in place (p < 0.05). We did not observe catheter breakage or patient skin irritations attributable to the use of glue (not even in ELBW infants). CONCLUSION: The implementation of the new bundle to secure neonatal PICCs in our NICU was associated with a significant reduction in CLABSI and dislodgment rates, without glue-related complications. Active surveillance of CVC placement procedure, positioning, and management, as well as analysis of related complications is crucial for improving patient safety. Continuous implementation of up-to-date central line bundles based on best practice recommendations is a key for quality improvement in NICUs. WHAT IS KNOWN: • Stable vascular access is crucial in the NICU. Neonatal PICC securement issues can have serious consequences and are associated with device failure. WHAT IS NEW: • Catheter securement with tissue adhesive is safe and effective in reducing failure and complication rates in the neonatal population.


Assuntos
Infecções Relacionadas a Cateter , Cateterismo Venoso Central , Cateteres Venosos Centrais , Recém-Nascido , Lactente , Humanos , Cateterismo Venoso Central/métodos , Infecções Relacionadas a Cateter/etiologia , Infecções Relacionadas a Cateter/prevenção & controle , Infecções Relacionadas a Cateter/epidemiologia , Cianoacrilatos/efeitos adversos , Unidades de Terapia Intensiva Neonatal
4.
Ital J Pediatr ; 49(1): 117, 2023 Sep 11.
Artigo em Inglês | MEDLINE | ID: mdl-37697419

RESUMO

BACKGROUND: Ophthalmia neonatorum is an acute conjunctivitis that occurs in newborns within the first month of life. The most serious infections are due to Chlamydia trachomatis and Neisseria gonorrhoeae, that may cause permanent damages. The use of ophthalmic prophylaxis varies widely around the world, according to the different health and socio-economic contexts. To date in Italy there is no a clear legislation regarding ophthalmia neonatorum prophylaxis at birth. METHODS: We invited all birth centers in Italy to carry out a retrospective survey relating the last three years. We collected data regarding demographics of neonates, drugs used for ophthalmic prophylaxis and results of the screening of pregnant women for Chlamydia trachomatis and Neisseria gonorrhoeae vaginal infections. RESULTS: Among 419 birth centers, 302 (72,1%) responded to the survey. Overall 1041384 neonates, 82,3% of those born in the three years considered, received ophthalmic prophylaxis. Only 4,585 (0,4%) of them received one of the drugs recommended by the WHO. The Centers that participated to the survey reported 12 episodes of Chlamydial conjunctivitis and no Gonococcal infection in the three years. Only 38% of the Centers performed vaginal swabs to pregnant women: 2,6% screened only for Neisseria, 9,6% only for Chlamydia and 25,8% for both germs. CONCLUSIONS: The data obtained from the survey showed a low incidence of neonatal conjunctivitis due to either Neisseria gonorrhoeae or Chlamydia trachomatis in Italy. Due to the lack of legislation regulating the prophylaxis of ophthalmia neonatorum in newborns, the Italian Society of Neonatology, the Italian Society of Obstetrics and Gynecology and the Italian Society of Perinatal Medicine have recently issued new recommendations on this topic.


Assuntos
Conjuntivite , Gonorreia , Oftalmia Neonatal , Recém-Nascido , Gravidez , Feminino , Humanos , Oftalmia Neonatal/epidemiologia , Oftalmia Neonatal/prevenção & controle , Antibioticoprofilaxia , Estudos Retrospectivos , Gonorreia/diagnóstico , Gonorreia/epidemiologia , Gonorreia/prevenção & controle , Itália/epidemiologia
5.
Pharmaceuticals (Basel) ; 16(3)2023 Mar 22.
Artigo em Inglês | MEDLINE | ID: mdl-36986569

RESUMO

Background: Neonates may require higher doses of micafungin than adults to reach the therapeutic effect for increased plasma clearance. Only poor and inconclusive data are available still now to support this hypothesis, especially with regard to central nervous system micafungin concentrations. To assess the pharmacokinetics of increased doses (8 to 15 mg/kg/day) of micafungin in preterm and term neonates with invasive candidiasis and to complete previously presented results, we analyzed the pharmacokinetic data on a total of 53 newborns treated with micafungin, whereby 3 of them had Candida meningitis and hydrocephalus. Methods: Fifty-three neonates with systemic candidiasis, three of them with meningitis, were treated for at least 14 days with intravenous micafungin (Mycamine®) at a dosage ranging from 8 to 15 mg/kg/day. Plasma and cerebrospinal fluid (CSF) concentrations of micafungin were measured before the drug administration and at 1, 2, and 8 h after the end of the infusion using high-performance liquid chromatography (HPLC). Systemic exposure was assessed according to AUC0-24, plasma clearance (CL), and half-life measured in 52/53 patients, divided by chronological age. Results and conclusions: The mean micafungin clearance is higher in neonates than in older infants (0.036 L/h/kg before 28 days of life versus 0.028 L/h/kg after 120 days). The drug half-life is shorter in neonates than in older patients (13.5 h before 28 days of life versus 14.4 h after 120 days). With doses ranging between 8 and 15 mg/kg/day, micafungin crosses the blood-brain barrier reaching therapeutic levels in CSF.

6.
Eur J Pediatr ; 182(3): 1105-1113, 2023 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-36575308

RESUMO

The purpose of this study is to evaluate the feasibility of intact cord resuscitation (ICR) in very preterm infants using a custom-equipped mobile resuscitation trolley (LifeStart®). We collected maternal and neonatal data of all inborn infants < 32 weeks eligible for ICR per our protocol over 9 months from ICR implementation. We compared rates of ICR between the beginning and the end of the study period. We reviewed maternal and neonatal adverse events related to the procedure and direct outcomes. In order to assess potential quality improvements related to the procedure, we collected the same data in the infants born in the 9-month period preceding ICR implementation. Out of 44 infants born < 32 weeks during the period, 27 were eligible for ICR. Failure to initiate ICR occurred in 9/27, exclusively in the first 5.5 months of the study. In one infant, ICR was interrupted prior to 2 min due to placental abruption. No ICR procedure had to be interrupted due to insufficient cord length. Among the 18 infants who completed ICR, cord clamping timing increased significantly over the study period, from 3.0 [2.5-3.5] to 4.2 min [3.1-8.3] (p = 0.02). No significant maternal blood loss or wound complications were noted. No infant deaths were attributable to failure or direct consequence of ICR, and no infant experienced hypoxic respiratory failure (intubation, FiO2 ≥ 0.4), asphyxia (pH < 7.2), or blood pressure instability (< 2 SD) following stabilization. Hemoglobin level after cord clamping was higher in the ICR cohort than in the pre-implementation group. Seven out of 18 infants exposed to ICR had a temperature < 36.5 °C on admission.   Conclusion: ICR is feasible in very preterm infants. Temperature management requires special attention. Multidisciplinary simulation training before implementation and systematic post-implementation quality improvement meetings may significantly increase ICR program success. What is Known: • Because infants born < 32 weeks often require cardiorespiratory resuscitation at birth, they are not offered delayed cord clamping in the majority of neonatal intensive care units. • Recently, fully equipped mobile trolleys have been developed in order to allow bedside resuscitation with an intact cord. What is New: • Variable timing of cord clamping based on the infant's transition and respiratory stability, i.e., "physiology-based cord clamping," is safely achievable in very preterm infants. • Intact cord resuscitation requires specific equipment, operational protocols, and a high level of preparation from both obstetrical and neonatal teams, with a learning curve that can be streamlined by multidisciplinary simulation training.


Assuntos
Doenças do Prematuro , Recém-Nascido Prematuro , Recém-Nascido , Humanos , Gravidez , Feminino , Estudos de Viabilidade , Cordão Umbilical , Placenta , Ressuscitação/métodos , Constrição
9.
Children (Basel) ; 9(5)2022 Apr 26.
Artigo em Inglês | MEDLINE | ID: mdl-35626791

RESUMO

(1) Background: Newborns admitted to Neonatal Intensive Care Units (NICUs) often require the placement of central vascular catheters (CVC), which are a major risk factor for hospital infection. Numerous strategies exist to prevent central line-associated blood stream infections (CLABSIs) and catheter-related bloodstream infections (CRBSIs), with only a few offering options to save the catheter when it is impossible to replace. CRBSIs continue to be a major problem for neonates in NICUs. Most CRBSIs are resistant to systemic antibiotics due to the presence of intraluminal bacterial biofilm. Therefore, catheter removal is frequently necessary when a CRBSI occurs. The so-called Antibiotic Lock Therapy (ALT) is an antimicrobial therapeutic strategy which seems to be promising in neonates when catheter removal is difficult due to critical conditions. To date, evidence about the use of ALT in the neonatal period is still fragmentary, since only poor and heterogeneous data exist. (2) Methods: We report our successful experience with ALT in seriously ill neonates with CRBSI for whom the replacement of the catheter could have been life threatening. (3) Results: ALT repetitively performed for at least 12 h was effective in 11 out of 13 infants (84.6%). It was not effective in two infants in whom ALT was performed for only 6 h. Moreover, we present new data about the stability testing of meropenem for its use during ALT in neonates. (4) Conclusions: When CRBSI occurs-bearing in mind that the optimal management is catheter removal if antibiotic therapy is not effective within 48 h-ALT seems to be a valid alternative therapy when removal is impractical due to critical conditions.

10.
Front Pediatr ; 10: 843643, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35402350

RESUMO

Background: Central venous catheters (CVCs) represent one of the main risk factors for venous thrombotic events (VTEs) in children. Methods: We studied the Italian Registry of Pediatric Thrombosis (RITI) with regard to systemic radiologically confirmed CVC-related VTEs (CVC-VTEs) occurred during 6.5 years in children aged 29 days to 18 years. Results: A total of 78 CVC-VTEs were included, which occurred in 76 patients (40/76, 53% males). CVC-VTEs comprised 67 non-cardiac VTEs (86%) and 11 intracardiac thrombotic events (ICTEs) (14%); the median age at onset was 19 and 17 months, respectively. The most frequent reason for CVC insertion was supportive therapy. The catheters were placed percutaneously in 85% of cases (56/66) and surgically in the remaining 15% (10/66). Peripherally inserted central catheters (PICCs) were used in 47% (31/66) cases, partially implanted catheters in 42% (28/66), non-implantable catheters in 7% (5/66), and totally implanted catheters (Port) in 2% (1/66). CVC-VTEs were symptomatic in 77% of cases (60/78), while in the remaining 23%, they were incidentally detected on the imaging performed for the underlying condition. The median time between CVC insertion and the onset of symptoms was 10 days in non-cardiac VTEs and 39 days in ICTEs. Doppler ultrasound was the diagnostic technique most frequently used. The venous compartment most frequently affected was the veins of the lower extremities (52%, 43/73). Anti-thrombotic treatment was administered in 96% of CVC-VTEs (75/78). About 2.6% (2/76) of patients experienced a second thrombotic event. At discharge, post-thrombotic syndrome was reported in 13.5% (5/37) events with available data, CVC replacement in 10.8% (4/47), and ischemic necrosis with toe finger amputation in 2.7% (1/37). Three patients died due to an underlying condition; no CVC-VTE-related deaths were reported. Conclusions: We have carried out a registry-based study on CVC-VTEs in the children in Italy, providing the data that may help improve the detection and management of this CVC-related complication.

11.
Acta Cardiol ; 77(7): 597-601, 2022 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-34420486

RESUMO

BACKGROUND: Neonatal sepsis is a major cause of morbidity and mortality in preterm infants. Chorioamnionitis is an important risk factor for the development of sepsis, therefore neonates born to mothers developing signs of amnionitis need to be treated with antibiotics immediately after birth. Ureaplasma spp can be a causative agent of vaginal or intra amniotic infection needing antibiotic treatment. Macrolides are frequently used to treat maternal intrauterine infection, but antibiotic treatment of the neonate should be consciously chosen with consideration of potential side effects. Indeed, macrolides are great purveyors of heart rhythm disorders. CASE PRESENTATION: We describe the case of a 29 weeks preterm infant born to a mother with Ureaplasma spp infection. The baby was treated with erythromycin immediately after birth. During the second day of life, the baby presented some episodes of tachyarrhythmia with premature ventricular beats (PVBs) that were followed by a non-sustained ventricular tachycardia as high as 270 bpm leading to a cardiac arrest. After resuscitation, tachycardia resolved but the rhythm was characterised by numerous PVBs and an electrocardiogram (ECG) diagnosed a Long QT Syndrome (LQTS). Erythromycin was discontinued, and the rhythm normalised a few days after withdrawal. CONCLUSIONS: Erythromycin should be administered in neonates only if no other choice is available, as although generally well tolerated, its administration can be associated with QTc interval prolongation. When no other option is available, paediatricians should be aware to perform cardiac monitoring or at least serial ECGs before and during erythromycin administration.


Assuntos
Síndrome do QT Longo , Torsades de Pointes , Infecções por Ureaplasma , Gravidez , Feminino , Recém-Nascido , Humanos , Recém-Nascido Prematuro , Eritromicina/efeitos adversos , Síndrome do QT Longo/induzido quimicamente , Síndrome do QT Longo/diagnóstico , Infecções por Ureaplasma/tratamento farmacológico , Antibacterianos/efeitos adversos , Taquicardia
12.
Pediatr Res ; 91(4): 804-815, 2022 03.
Artigo em Inglês | MEDLINE | ID: mdl-33674739

RESUMO

Pulmonary hypertension has emerged as a life-threatening disease in preterm infants suffering from bronchopulmonary dysplasia (BPD). Its development is closely linked to respiratory disease, as vasculogenesis and alveologenesis are closely interconnected. Once clinically significant, BPD-associated pulmonary hypertension (BPD-PH) can be challenging to manage, due to poor reversibility and multiple comorbidities frequently associated. The pulmonary vascular disease process underlying BPD-PH is the result of multiple innate and acquired factors, and emerging evidence suggests that it progressively develops since birth and, in certain instances, may begin as early as fetal life. Therefore, early recognition and intervention are of great importance in order to improve long-term outcomes. Based on the most recent knowledge of BPD-PH pathophysiology, we review state-of-the-art screening and diagnostic imaging techniques currently available, their utility for clinicians, and their applicability and limitations in this specific population. We also discuss some biochemical markers studied in humans as a possible complement to imaging for the detection of pulmonary vascular disease at its early stages and the monitoring of its progression. In the second part, we review pharmacological agents currently available for BPD-PH treatment or under preclinical investigation, and discuss their applicability, as well as possible approaches for early-stage interventions in fetuses and neonates. IMPACT: BPD-associated PH is a complex disease involving genetic and epigenetic factors, as well as environmental exposures starting from fetal life. The value of combining multiple imaging and biochemical biomarkers is emerging, but requires larger, multicenter studies for validation and diffusion. Since "single-bullet" approaches have proven elusive so far, combined pharmacological regimen and cell-based therapies may represent important avenues for research leading to future cure and prevention.


Assuntos
Displasia Broncopulmonar , Hipertensão Pulmonar , Doenças Vasculares , Displasia Broncopulmonar/complicações , Displasia Broncopulmonar/diagnóstico , Displasia Broncopulmonar/terapia , Diagnóstico Precoce , Humanos , Hipertensão Pulmonar/complicações , Hipertensão Pulmonar/diagnóstico , Hipertensão Pulmonar/terapia , Lactente , Recém-Nascido , Recém-Nascido Prematuro , Doenças Vasculares/diagnóstico , Doenças Vasculares/terapia
13.
World J Hepatol ; 13(11): 1802-1815, 2021 Nov 27.
Artigo em Inglês | MEDLINE | ID: mdl-34904047

RESUMO

BACKGROUND: The use of umbilical venous catheters (UVCs) in the perinatal period may be associated with severe complications, including the occurrence of portal vein thrombosis (PVT). AIM: To assess the incidence of UVC-related PVT in infants with postnatal age up to three months. METHODS: A systematic and comprehensive database searching (PubMed, Cochrane Library, Scopus, Web of Science) was performed for studies from 1980 to 2020 (the search was last updated on November 28, 2020). We included in the final analyses all peer-reviewed prospective cohort studies, retrospective cohort studies and case-control studies. The reference lists of included articles were hand-searched to identify additional studies of interest. Studies were considered eligible when they included infants with postnatal age up to three months with UVC-associated PVT. Incidence estimates were pooled by using random effects meta-analyses. The quality of included studies was assessed using the Newcastle-Ottawa scale. The systematic review was performed according to the Preferred Reporting Items for Systematic reviews and Meta-Analysis (PRISMA) guidelines. RESULTS: Overall, 16 studies were considered eligible and included in the final analyses. The data confirmed the relevant risk of UVC-related thrombosis. The mean pooled incidence of such condition was 12%, although it varied across studies (0%-49%). In 15/16 studies (94%), diagnosis of thrombosis was made accidentally during routine screening controls, whilst in 1/16 study (6%) targeted imaging assessments were carried out in neonates with clinical concerns for a thrombus. Tip position was investigated by abdominal ultrasound (US) alone in 1/16 (6%) studies, by a combination of radiography and abdominal US in 14/16 (88%) studies and by a combination of radiography, abdominal US and echocardiography in 1/16 (6%) studies. CONCLUSION: To the best of our knowledge, this is the first systematic review specifically investigating the incidence of UVC-related PVT. The use of UVCs requires a high index of suspicion, because its use is significantly associated with PVT. Well-designed prospective studies are required to assess the optimal approach to prevent UVC-related thrombosis of the portal system.

14.
Pathogens ; 10(7)2021 Jul 13.
Artigo em Inglês | MEDLINE | ID: mdl-34358040

RESUMO

Candida parapsilosis infections are increasingly reported in preterm neonates, but the optimal treatment remains uncertain. We report the clinical history of an extremely preterm neonate, who developed a devastating skin necrosis due to terlipressin administration, with subsequent superinfection by Candida parapsilosis. The infant underwent multiple curettages and skin grafts to resolve skin lesions and was treated with systemic micafungin administration at a high dose (8 mg/kg/day), with resolution of the fungal infection.

15.
Front Pediatr ; 9: 674585, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34249811

RESUMO

Perinatal asphyxia and the possible sequelae of hypoxic-ischemic encephalopathy (HIE), are associated with high morbidity and mortality rates. The use of therapeutic hypothermia (TH) commencing within the first 6 h of life-currently the only treatment validated for the management of HIE-has been proven to reduce the mortality rate and disability seen at follow up at 18 months. Although there have been attempts to identify neurobiomarkers assessing the severity levels in HIE; none have been validated in clinical use to date, and the lack thereof limits the optimal treatment for these vulnerable infants. Metabolomics is a promising field of the "omics technologies" that may: identify neurobiomarkers, help improve diagnosis, identify patients prone to developing HIE, and potentially improve targeted neuroprotection interventions. This review focuses on the current evidence of metabolomics, a novel tool which may prove to be a useful in the diagnosis, management and treatment options for this multifactorial complex disease. Some of the most promising metabolites analyzed are the group of acylcarnitines: Hydroxybutyrylcarnitine (Malonylcarnitine) [C3-DC (C4-OH)], Tetradecanoylcarnitine [C14], L-Palmitoylcarnitine [C16], Hexadecenoylcarnitine [C16:1], Stearoylcarnitine [C18], and Oleoylcarnitine [C18:1]. A metabolomic "fingerprint" or "index," made up of 4 metabolites (succinate × glycerol/(ß-hydroxybutyrate × O-phosphocholine)), seems promising in identifying neonates at risk of developing severe HIE.

16.
Biochim Biophys Acta Mol Basis Dis ; 1867(10): 166198, 2021 10 01.
Artigo em Inglês | MEDLINE | ID: mdl-34118406

RESUMO

Some maternal infections, contracted before or during pregnancy, can be transmitted to the fetus, during gestation (congenital infection), during labor and childbirth (perinatal infection) and through breastfeeding (postnatal infection). The agents responsible for these infections can be viruses, bacteria, protozoa, fungi. Among the viruses most frequently responsible for congenital infections are Cytomegalovirus (CMV), Herpes simplex 1-2, Herpes virus 6, Varicella zoster. Moreover Hepatitis B and C virus, HIV, Parvovirus B19 and non-polio Enteroviruses when contracted during pregnancy may involve the fetus or newborn at birth. Recently, new viruses have emerged, SARS-Cov-2 and Zika virus, of which we do not yet fully know the characteristics and pathogenic power when contracted during pregnancy. Viral infections in pregnancy can damage the fetus (spontaneous abortion, fetal death, intrauterine growth retardation) or the newborn (congenital anomalies, organ diseases with sequelae of different severity). Some risk factors specifically influence the incidence of transmission to the fetus: the timing of the infection in pregnancy, the order of the infection, primary or reinfection or chronic, the duration of membrane rupture, type of delivery, socio-economic conditions and breastfeeding. Frequently infected neonates, symptomatic at birth, have worse outcomes than asymptomatic. Many asymptomatic babies develop long term neurosensory outcomes. The way in which the virus interacts with the maternal immune system, the maternal-fetal interface and the placenta explain these results and also the differences that are observed from time to time in the fetal­neonatal outcomes of maternal infections. The maternal immune system undergoes functional adaptation during pregnancy, once thought as physiological immunosuppression. This adaptation, crucial for generating a balance between maternal immunity and fetus, is necessary to promote and support the pregnancy itself and the growth of the fetus. When this adaptation is upset by the viral infection, the balance is broken, and the infection can spread and lead to the adverse outcomes previously described. In this review we will describe the main viral harmful infections in pregnancy and the potential mechanisms of the damages on the fetus and newborn.


Assuntos
Anormalidades Congênitas/etiologia , Transmissão Vertical de Doenças Infecciosas , Complicações Infecciosas na Gravidez , Viroses/complicações , Animais , COVID-19/complicações , COVID-19/diagnóstico , COVID-19/prevenção & controle , COVID-19/transmissão , Anormalidades Congênitas/diagnóstico , Anormalidades Congênitas/prevenção & controle , Citomegalovirus/isolamento & purificação , Infecções por Citomegalovirus/complicações , Infecções por Citomegalovirus/diagnóstico , Infecções por Citomegalovirus/prevenção & controle , Infecções por Citomegalovirus/transmissão , Feminino , Humanos , Gravidez , Complicações Infecciosas na Gravidez/diagnóstico , Complicações Infecciosas na Gravidez/prevenção & controle , Resultado da Gravidez , SARS-CoV-2/isolamento & purificação , Viroses/diagnóstico , Viroses/prevenção & controle , Viroses/transmissão , Zika virus/isolamento & purificação , Infecção por Zika virus/complicações , Infecção por Zika virus/diagnóstico , Infecção por Zika virus/prevenção & controle , Infecção por Zika virus/transmissão
18.
J Vasc Access ; 22(6): 955-968, 2021 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-33570016

RESUMO

PURPOSE: To explore the clinical evidence available on mindful organizing (MO) that will improve teamwork for positioning and managing central venous catheters in patients admitted to neonatal intensive care and other pediatric intensive care units to decrease central-line-associated and catheter-related bloodstream infections (CLABSI and CRBSI). METHODS: We searched several databases (PubMed, Embase, CINAHL, CENTRAL, SCOPUS, and Web of Science) up to June 2018. We included studies investigating the effectiveness of MO teamwork in reducing CLABSI and CRBSI. The systematic review followed the PRISMA guidelines. We used validated appraisal checklists to assess quality. RESULTS: Seven studies were included: only one was a non-randomized case-controlled trial (CCT). All the others had a pre-post intervention design, one a time-series design and one an interrupted time-series design. The methodological heterogeneity precluded a meta-analysis. Despite the low certainty of evidence with the Grading of Recommendations Assessment, Development and Evaluation (GRADE) system, three studies including thousands of participants provided numerical data for calculating risk ratios (RR) and 95% confidence intervals (CI) comparing MO with no intervention for decreasing the CLABSI rate in neonatal and pediatric ICUs. The one CCT disclosed no significant difference in the CLABSI rate decrease between groups (RR = 0.96; 95%CI 0.47-1.97). Nor did the pre- and post-intervention interrupted time-series design disclose a significant decrease (RR = 0.80; 95%CI 0.36 1.77). In the study using a before-after study design, the GRADE system found that the CLABSI rate decrease differed significantly in favor of post-intervention (RR = 0.13; 95%CI 0.03 0.57; p = 0.007). CONCLUSIONS: Despite the decreased CLABSI rate, the available evidence is low in quality. To reduce the unduly high CLABSI rates in neonatal and pediatric intensive care settings, custom-designed clinical trials should further define the clinical efficacy of MO to include it in care bundles as a new international standard.


Assuntos
Infecções Relacionadas a Cateter , Cateterismo Venoso Central , Cateteres Venosos Centrais , Infecções Relacionadas a Cateter/diagnóstico , Infecções Relacionadas a Cateter/prevenção & controle , Cateterismo Venoso Central/efeitos adversos , Cateteres Venosos Centrais/efeitos adversos , Criança , Atenção à Saúde , Humanos , Recém-Nascido , Unidades de Terapia Intensiva , Unidades de Terapia Intensiva Neonatal , Unidades de Terapia Intensiva Pediátrica , Terapia Intensiva Neonatal
19.
Artigo em Inglês | MEDLINE | ID: mdl-33558294

RESUMO

Limited data are available on the most appropriate dosing, efficacy, and safety of micafungin in neonates and young infants with invasive candidiasis (IC). This study evaluated plasma levels, efficacy, and safety of micafungin at a dose of 8 mg/kg daily for a mean of 13.3 days (±5.2 days) in 35 neonates and young infants with IC. Micafungin plasma concentrations were 5.70 mg/liter preadministration and 17.23, 15.59, and 10.27 mg/liter after 1, 2, and 8 h, respectively. The resolution of the infection was achieved in 86.7% of patients treated for ≥14 days. In 20.0% of patients, we observed a transient hypertransaminasemia. Micafungin at a dose of 8 mg/kg daily is effective and well tolerated in neonates and young infants with IC. (This study has been registered at ClinicalTrials.gov under identifier NCT03421002 and in the EU Clinical Trials Register under number 2014-003087-20.).


Assuntos
Candidíase Invasiva , Equinocandinas , Antifúngicos/uso terapêutico , Candidíase Invasiva/tratamento farmacológico , Humanos , Lactente , Recém-Nascido , Lipopeptídeos , Micafungina
20.
Eur J Pediatr ; 180(5): 1335-1345, 2021 May.
Artigo em Inglês | MEDLINE | ID: mdl-33245400

RESUMO

Heart rate variability (HRV) is currently considered the most valuable non-invasive test to investigate the autonomic nervous system function, based on the fact that fast fluctuations might specifically reflect changes of sympathetic and vagal activity. An association between abnormal values of HRV and brain impairment has been reported in the perinatal period, although data are still fragmentary. Considering such association, HRV has been suggested as a possible marker of brain damage also in case of hypoxic-ischemic encephalopathy following perinatal asphyxia. The aim of the present manuscript was to review systematically the current knowledge about the use of HRV as marker of cerebral injury in neonates suffering from hypoxic-ischemic encephalopathy. Findings reported in this paper were based on qualitative analysis of the reviewed data. Conclusion: A growing body of research supports the use of HRV as non-invasive, bedside tool for the monitoring of hypoxic-ischemic encephalopathy. The currently available data about the role of HRV as prognostic tool in case of hypoxic ischemic encephalopathy are promising but require further validation by future studies. What is Known: • Heart rate variability (HRV) is a non-invasive monitoring technique to assess the autonomic nervous system activity. • A correlation between abnormal HRV and cerebral injury has been reported in the perinatal period, and HRV has been suggested as possible marker of brain damage in case of hypoxic-ischemic encephalopathy. What is New: • HRV might provide precocious information about the entity of brain injury in asphyxiated neonates and be of help to design early, specific, and personalized treatments according to severity. • Further investigations are required to confirm these preliminary data.


Assuntos
Asfixia Neonatal , Lesões Encefálicas , Hipóxia-Isquemia Encefálica , Asfixia Neonatal/complicações , Encéfalo , Feminino , Frequência Cardíaca , Humanos , Hipóxia-Isquemia Encefálica/complicações , Hipóxia-Isquemia Encefálica/diagnóstico , Recém-Nascido , Gravidez
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