RESUMEN
Chronic kidney disease (CKD) has been increasing over the last years, with a rate between 0.49% to 0.87% new cases per year. Currently, the number of affected people is around 850 million worldwide. CKD is a slowly progressive disease that leads to irreversible loss of kidney function, end-stage kidney disease, and premature death. Therefore, CKD is considered a global health problem, and this sets the alarm for necessary efficient prediction, management, and disease prevention. At present, modern computer analysis, such as in silico medicine (ISM), denotes an emergent data science that offers interesting promise in the nephrology field. ISM offers reliable computer predictions to suggest optimal treatments in a case-specific manner. In addition, ISM offers the potential to gain a better understanding of the kidney physiology and/or pathophysiology of many complex diseases, together with a multiscale disease modeling. Similarly, -omics platforms (including genomics, transcriptomics, metabolomics, and proteomics), can generate biological data to obtain information on gene expression and regulation, protein turnover, and biological pathway connections in renal diseases. In this sense, the novel patient-centered approach in CKD research is built upon the combination of ISM analysis of human data, the use of in vitro models, and in vivo validation. Thus, one of the main objectives of CKD research is to manage the disease by the identification of new disease drivers, which could be prevented and monitored. This review explores the wide-ranging application of computational medicine and the application of -omics strategies in evaluating and managing kidney diseases.
RESUMEN
During pregnancy, women undergo several metabolic changes to guarantee an adequate supply of glucose to the foetus. These metabolic modifications develop what is known as physiological insulin resistance. When this process is altered, however, gestational diabetes mellitus (GDM) occurs. GDM is a multifactorial disease, and genetic and environmental factors play a crucial role in its aetiopathogenesis. GDM has been linked to both macroscopic and molecular alterations in placental tissues that affect placental physiology. This review summarizes the role of the placenta in the development of GDM from a molecular perspective, including hormonal and pro-inflammatory changes. Inflammation and hormonal imbalance, the characteristics dominating the GDM microenvironment, are responsible for placental changes in size and vascularity, leading to dysregulation in maternal and foetal circulations and to complications in the newborn. In conclusion, since the hormonal mechanisms operating in GDM have not been fully elucidated, more research should be done to improve the quality of life of patients with GDM and their future children.
RESUMEN
Periodontitis is a chronic inflammatory disease of the periodontium, or the supportive tissues around the tooth. This disease has been related to different risk factors, such as the presence of plaque and calculus, tobacco smoking, low socioeconomic status, and the immune state of the host. Importantly, the chronic inflammatory environment generated by periodontitis may lead to tooth loss and diverse systemic complications, such as cardiovascular disease, osteoarthritis and metabolic disease. Recent investigations have supported the role of obesity as a risk factor for periodontitis. Furthermore, studies have found obesity to compromise healing after periodontal therapy; however, the mechanisms underlying this association are not well understood. Proteins called 'adipokines' could be the factor linking obesity to periodontitis. Adipokines are bioactive molecules with hormonal properties and a structure similar to cytokines produced by the adipose tissue. Although adipokines have both pro-and anti-inflammatory effects, the shift towards pro-inflammatory actions occurs when the adipose tissue becomes pathological, as observe in the progression of conditions such as obesity or adiposopathy. This article reviews the role of adipokines in the pathophysiology and progression of periodontitis by focusing on their impact on inflammation and the molecular mechanisms through which adipokines contribute to the onset and development of periodontitis.
RESUMEN
The novel disease produced by SARS-CoV-2 mainly harms the respiratory tract, but it has shown the capacity to affect multiple organs. Epidemiologic evidence supports the relationship between Coronavirus Disease 2019 (COVID-19) and pancreatic and hepatic injury development, identified by alterations in these organ function markers. In this regard, it is important to ascertain how the current prevalence of non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH) might affect COVID-19 evolution and complications. Although it is not clear how SARS-CoV-2 affects both the pancreas and the liver, a multiplicity of potential pathophysiological mechanisms seem to be implicated; among them, a direct viral-induced injury to the organ involving liver and pancreas ACE2 expression. Additionally, immune system dysregulation, coagulopathies, and drugs used to treat the disease could be key for developing complications associated with the patient's clinical decline. This review aims to provide an overview of the available epidemiologic evidence regarding developing liver and pancreatic alterations in patients with COVID-19, as well as the possible role that NAFLD/NASH might play in the pathophysiological mechanisms underlying some of the complications associated with COVID-19. This review employed a comprehensive search on PubMed using relevant keywords and filters. From the initial 126 articles, those aligning with the research target were selected and evaluated for their methodologies, findings, and conclusions. It sheds light on the potential pathophysiological mechanisms underlying this relationship. As a result, it emphasises the importance of monitoring pancreatic and hepatic function in individuals affected by COVID-19.
RESUMEN
The close link between metabolic diseases, such as obesity and diabetes mellitus, and cardiorenal disease can be attributed not only to direct risk factors, such as hypertension, but also to the intricate interplay of various pathophysiological processes [...].
RESUMEN
Cancer is a process involving cell mutation, increased proliferation, invasion, and metastasis. Over the years, this condition has represented one of the most concerning health problems worldwide due to its significant morbidity and mortality. At present, the incidence of cancer continues to grow exponentially. Thus, it is imperative to open new avenues in cancer research to understand the molecular changes driving DNA transformation, cell-to-cell interaction derangements, and immune system surveillance decay. In this regard, evidence supports the relationship between chronic inflammation and cancer. In light of this, a group of bioactive lipids derived from polyunsaturated fatty acids (PUFAs) may have a position as novel anti-inflammatory molecules known as the specialized pro-resolving mediators (SPMs), a group of pro-resolutive inflammation agents that could improve the anti-tumor immunity. These molecules have the potential role of chemopreventive and therapeutic agents for various cancer types, and their effects have been documented in the scientific literature. Thus, this review objective centers around understanding the effect of SPMs on carcinogenesis and their potential therapeutic effect.
Asunto(s)
Carcinogénesis , Inflamación , Humanos , Comunicación Celular , Vigilancia Inmunológica , LípidosRESUMEN
OBJECTIVE: Only a few studies assessing the sleep effects of low doses of melatonin (aMT) have been performed in the past, most of them in adults, and only one in subjects with attention-deficit/hyperactivity disorder (ADHD). The aim of this study was to provide evidence of the changes induced by aMT doses as low as 1 mg in the sleep pattern of pediatric patients with ADHD under treatment with methylphenidate (MPH). METHODS: Children and adolescents (7-15 years) with ADHD who were receiving extended-release MPH were recruited. A seven-week sleep diary was collected prior to starting a four-week treatment with 1 mg of aMT (30 min before bedtime). Seven-day actigraphic assessments of sleep were performed before and after treatment. RESULTS: Twenty-seven patients (17 males, 62.96%) participated in the study, who had been receiving MPH for 1.57 (1.11) months. A significant increase in sleep duration (TST) was observed after one month of treatment (463 (49) min to 485 (41) min; p < 0.040), with nonsignificant improvements in sleep-onset latency (SOL), nocturnal awakenings, or sleep efficiency. Only minor adverse effects were reported. CONCLUSION: Low doses of melatonin (1 mg) are able to increase TST in children and adolescents with ADHD receiving treatment with psychostimulants, with an adequate tolerability profile. Further placebo-controlled trials adjusting the time of aMT administration to the individual circadian profile should explore the effects of low doses of this hormone to shorten SOL in this population of patients.
RESUMEN
BACKGROUND: Chronic kidney disease (CKD) is a common complication of a non-kidney solid organ transplant (NKSOT). Identifying predisposing factors is crucial for an early approach and correct referral to nephrology. METHODS: This is a single-center retrospective observational study of a cohort of CKD patients under follow-up in the Nephrology Department between 2010 to 2020. Statistical analysis was performed between all the risk factors and four dependent variables: end-stage renal disease (ESKD); increased serum creatinine ≥50%; renal replacement therapy (RRT); and death in the pre-transplant, peri-transplant, and post-transplant periods. RESULTS: 74 patients were studied (7 heart transplants, 34 liver transplants, and 33 lung transplants). Patients who were not followed-up by a nephrologist in the pre-transplant (p < 0.027) or peri-transplant (p < 0.046) periods and those who had the longest time until an outpatient clinic follow-up (HR 1.032) were associated with a higher risk of creatinine increase ≥50%. Receiving a lung transplant conferred a higher risk than a liver or heart transplant for developing a creatinine increase ≥50% and ESKD. Peri-transplant mechanical ventilation, peri-transplant and post-transplant anticalcineurin overdose, nephrotoxicity, and the number of hospital admissions were significantly associated with a creatinine increase ≥50% and developing ESKD. CONCLUSIONS: Early and close follow-up by a nephrologist was associated with a decrease in the worsening of renal function.
RESUMEN
BACKGROUND: Increasing evidence supports a neuroinflammatory basis in ADHD damaging glial function and thereby altering dopaminergic (DA) neurotransmission. Previous studies focusing on the S100B protein as a marker of glial function have shown contradictory results. We conducted a clinical trial to investigate differences in S100B levels between ADHD patients and controls, as well as observe gradual changes in S100B concentrations after a triple therapy (TT) containing methylphenidate (MPH), melatonin (aMT) and omega-3 fatty acids (ω-3 PUFAs). METHODS: 62 medication-naïve children with ADHD (ADHD-G) and 65 healthy controls (C-G) were recruited. Serum S100B was measured at baseline (T0) in ADHD-G/C-G, and three (T3) and six months (T6) after starting TT in the ADHD-G, together with attention scores. RESULTS: A significant increase in S100B was observed in the ADHD-G vs. C-G. In the ADHD-G, significantly higher S100B values were observed for comparisons between T0-T3 and between T0-T6, accompanied by a significant improvement in attention scores for the same timepoint comparisons. No significant differences were found for S100B between T3-T6. CONCLUSION: Our results agree with the hypothesis of glial damage in ADHD. Further studies on the link between DA and S100B are required to explain the transient increase in S100B following TT.
Asunto(s)
Trastorno por Déficit de Atención con Hiperactividad , Estimulantes del Sistema Nervioso Central , Ácidos Grasos Omega-3 , Melatonina , Metilfenidato , Niño , Humanos , Trastorno por Déficit de Atención con Hiperactividad/tratamiento farmacológico , Estimulantes del Sistema Nervioso Central/uso terapéutico , Ácidos Grasos Omega-3/uso terapéutico , Melatonina/uso terapéutico , Metilfenidato/uso terapéutico , Subunidad beta de la Proteína de Unión al Calcio S100 , Resultado del TratamientoRESUMEN
Omega-3 fatty acids (ω-3 FAs) are well-known for their actions on immune/inflammatory and neurological pathways, functions that are also under circadian clock regulation. The daily photoperiod represents the primary circadian synchronizer ('zeitgeber'), although diverse studies have pointed towards an influence of dietary FAs on the biological clock. A comprehensive literature review was conducted following predefined selection criteria with the aim of updating the evidence on the molecular mechanisms behind circadian rhythm regulation by ω-3 FAs. We collected preclinical and clinical studies, systematic reviews, and metanalyses focused on the effect of ω-3 FAs on circadian rhythms. Twenty animal (conducted on rodents and piglets) and human trials and one observational study providing evidence on the regulation of neurological, inflammatory/immune, metabolic, reproductive, cardiovascular, and biochemical processes by ω-3 FAs via clock genes were discussed. The evidence suggests that ω-3 FAs may serve as non-photic zeitgebers and prove therapeutically beneficial for circadian disruption-related pathologies. Future work should focus on the role of clock genes as a target for the therapeutic use of ω-3 FAs in inflammatory and neurological disorders, as well as on the bidirectional association between the molecular clock and ω-3 FAs.
Asunto(s)
Relojes Circadianos , Ácidos Grasos Omega-3 , Animales , Humanos , Porcinos , Ritmo Circadiano/fisiología , Fotoperiodo , Ácidos Grasos Omega-3/farmacología , Estudios Observacionales como AsuntoRESUMEN
Introduction: secondary hyperparathyroidism (SHP) is frequent in patients with chronic kidney disease (CKD), particularly in those in dialysis. To treat this complication, the current options available include phosphorus restriction, phosphate binders, the inhibition of parathyroid hormone (PTH) synthesis and secretion by the supplementation of vitamin D or VDR activators, or the use of calcimimetics. Beyond the control of PTH, the effects of the treatment of SHP on other biomarkers of risk may represent an additional benefit for this population. In this study, we explore the benefits of current SHP treatment options, mainly paricalcitol and/or etelcalcetide in the inflammatory state of hemodialysis (HD) patients. Results: the study finally included 142 maintenance HD patients (5 patients were excluded) followed for 6 months (dialysis vintage 26 ± 30 months, mean age 70 years old, 73% women, 81% Spanish white, 47% diabetic). In this case, 52 patients were on regular treatment with paricalcitol for SHP and 25 patients were eligible to initiate etelcalcetide. The baseline serum levels of Ca, P, PTH, Ferritin, albumin, C-reactive protein (CRP), and other variables were measured. We found serum PTH levels showed an improvement after the treatment with etelcalcetide again paricalcitol and no treatment (p < 0.04). Of note, serum levels of CRP were significantly lower in a small group of patients (n = 11) receiving paricalcitol + etelcalcetide compared to paricalcitol or etelcalcetide alone. The proportion of patients with CRP within target ranges (≤1.0 mg/dL) increased significantly after combined treatment (p < 0.001). Conclusions: etelcalcetide proved to safely reduce the PTH levels without significant adverse events and the possibility of a synergic anti-inflammatory effect with the simultaneous use of Paricalcitol in HD patients.
RESUMEN
The kynurenine pathway of tryptophan metabolism has been involved in ADHD We quantified basal levels and daily fluctuations of tryptophan and several kynurenine metabolites, as well as their changes after treatment with methylphenidate (MPH). A total of 179 children were recruited, grouped into ADHD (n = 130) and healthy controls (CG,n = 49). Blood samples were drawn at 20:00 and 09:00 h and only in the ADHD group after 4.63±2.3 months of treatment. Nocturnal urine was collected between both draws. Factorial analysis (Stata12.0) was performed with Groups, Time, Hour of Day and Depressive Symptoms (DS) as factors. MPH significantly increased plasma Kynurenic acid (2.4 ± 1.03/2.78±1.3 ng/mL; baseline/post-treatment, morning; z = 1.96,p<0.05) and Xanthurenic acid (2.39±0.95/2.88±1.19 ng/mL; baseline/post, morning; z = 2.7,p<0.007) levels, both with higher values in the evening. In DS+ patients, MPH caused a pronounced decrease in evening Anthranilic acid [3.08±5.02/ 1.82±1.46 ng/mL, z = 2.68,p = 0.0074] until matching values to other subgroups. In urine, MPH decreased the excretion of both Nicotinamide and Quinolinic acids, but only in the DS- subgroup. The kynurenine pathway may participate in the highly clinical favorable response to MPH. The observed changes could be considered as protective (i.e. increased plasma kynurenic acid vs. decreased quinolinic acid excretion) based on the knowledge of its physiological homeostatic functions.
Asunto(s)
Trastorno por Déficit de Atención con Hiperactividad , Estimulantes del Sistema Nervioso Central , Metilfenidato , Trastorno por Déficit de Atención con Hiperactividad/tratamiento farmacológico , Estimulantes del Sistema Nervioso Central/uso terapéutico , Niño , Humanos , Ácido Quinurénico , Quinurenina , Metilfenidato/uso terapéutico , TriptófanoRESUMEN
Studies suggest that the bidirectional relationship existent between the gut microbiome (GM) and the central nervous system (CNS), or so-called the microbiome-gut-brain axis (MGBA), is involved in diverse neuropsychiatric diseases in children and adults. In pediatric age, most studies have focused on patients with autism. However, evidence of the role played by the MGBA in attention deficit/hyperactivity disorder (ADHD), the most common neurodevelopmental disorder in childhood, is still scanty and heterogeneous. This review aims to provide the current evidence on the functioning of the MGBA in pediatric patients with ADHD and the specific role of omega-3 polyunsaturated fatty acids (ω-3 PUFAs) in this interaction, as well as the potential of the GM as a therapeutic target for ADHD. We will explore: (1) the diverse communication pathways between the GM and the CNS; (2) changes in the GM composition in children and adolescents with ADHD and association with ADHD pathophysiology; (3) influence of the GM on the ω-3 PUFA imbalance characteristically found in ADHD; (4) interaction between the GM and circadian rhythm regulation, as sleep disorders are frequently comorbid with ADHD; (5) finally, we will evaluate the most recent studies on the use of probiotics in pediatric patients with ADHD.
Asunto(s)
Trastorno por Déficit de Atención con Hiperactividad/microbiología , Trastorno por Déficit de Atención con Hiperactividad/terapia , Suplementos Dietéticos , Microbioma Gastrointestinal/fisiología , Probióticos/administración & dosificación , Adolescente , Adulto , Animales , Trastorno por Déficit de Atención con Hiperactividad/etiología , Encéfalo/fisiología , Niño , Ácidos Grasos Omega-3/fisiología , Femenino , Humanos , MasculinoRESUMEN
The assessment of the effect of photic stimulation is an integral component of an EEG exam and is especially important in patients referred for ascertained or suspected photosensitivity with or without a diagnosis of epilepsy. A positive test result relies on eliciting a specific abnormality defined as the "photoparoxysmal response". Reliability of this assessment is strongly influenced by technical and procedural variables, a critical one represented by the physical properties of the stimulators used. Established clinical norms are based on data acquired with the "gold-standard" Grass PS stimulators. These are no longer commercially available and have been replaced by stimulators using light emitting diode (LED) technology. To our knowledge no comparative study on their efficacy has been conducted. To address this gap, we recruited 39 patients aged 5-54 years, referred to two specialized centers with confirmed of suspected diagnosis of photosensitive epilepsy or generalized epilepsy with photosensitivity in a prospective randomized single-blind cross-over study to compare two commercially available LED-bases stimulation systems (FSA 10® and Lifeline® stimulators) against the Grass PS 33 xenon lamp device. Our findings indicate that the LED systems tested are equivalent to the Grass stimulator both in identifying the PPR in affected individuals.
Asunto(s)
Estimulación Luminosa , Trastornos por Fotosensibilidad/etiología , Poaceae , Xenón , Adolescente , Adulto , Niño , Preescolar , Epilepsia Generalizada/genética , Epilepsia Refleja/etiología , Femenino , Humanos , Masculino , Persona de Mediana Edad , Estimulación Luminosa/métodos , Trastornos por Fotosensibilidad/fisiopatología , Método Simple Ciego , Adulto JovenRESUMEN
Background: Indole tryptophan metabolites (ITMs), mainly produced at the gastrointestinal level, participate in bidirectional gut-brain communication and have been implicated in neuropsychiatric pathologies, including attention-deficit/hyperactivity disorder (ADHD). Method: A total of 179 children, 5-14 years of age, including a healthy control group (CG, n = 49), and 107 patients with ADHD participated in the study. The ADHD group was further subdivided into predominantly attention deficit (PAD) and predominantly hyperactive impulsive (PHI) subgroups. Blood samples were drawn at 20:00 and 09:00 hours, and urine was collected between blood draws, at baseline and after 4.63 ± 2.3 months of methylphenidate treatment in the ADHD group. Levels and daily fluctuations of ITM were measured by tandem mass spectrometer, and S100B (as a glial inflammatory marker) by enzyme-linked immunosorbent assay. Factorial analysis of variance (Stata 12.0) was performed with groups/subgroups, time (baseline/after treatment), hour of day (morning/evening), and presence of depressive symptoms (DS; no/yes) as factors. Results: Tryptamine and indoleacetic acid (IAA) showed no differences between the CG and ADHD groups. Tryptamine exhibited higher evening values (p < 0.0001) in both groups. No changes were associated with methylphenidate or DS. At baseline, in comparison with the rest of study sample, PHI with DS+ group showed among them much greater morning than evening IAA (p < 0.0001), with treatment causing a 50% decrease (p = 0.002). Concerning indolepropionic acid (IPA) MPH was associated with a morning IPA decrease and restored the daily profile observed in the CG. S100B protein showed greater morning than evening concentrations (p = 0.001) in both groups. Conclusion: Variations in ITM may reflect changes associated with the presence of DS, including improvement, among ADHD patients.
Asunto(s)
Trastorno por Déficit de Atención con Hiperactividad , Estimulantes del Sistema Nervioso Central , Depresión , Metilfenidato , Adolescente , Niño , Preescolar , Femenino , Humanos , Masculino , Trastorno por Déficit de Atención con Hiperactividad/tratamiento farmacológico , Trastorno por Déficit de Atención con Hiperactividad/psicología , Estudios de Casos y Controles , Estimulantes del Sistema Nervioso Central/administración & dosificación , Depresión/psicología , Conducta Impulsiva/efectos de los fármacos , Indoles/metabolismo , Metilfenidato/administración & dosificación , Subunidad beta de la Proteína de Unión al Calcio S100/metabolismo , Factores de Tiempo , Triptófano/metabolismoRESUMEN
BACKGROUND: Cognitive effects of omega-3 polyunsaturated fatty acids (ω-3 PUFAs) might make them helpful in attention deficit/hyperactivity disorder (ADHD). However, the results derived from supplementation studies in children depend on the respective combinations and the study period. We aimed to investigate the serum fatty acid profile, attention scores and the tolerability in a group of ADHD children after receiving methylphenidate (MPH) and ω-3 PUFAs for 1 month. METHODS: A combination of MPH (1 mg/kg/day) and eicosapentaenoic (EPA, 70 mg/day) + docosahexaenoic acids (DHA, 250 mg/day) was administered to 40 ADHD children (7-15 years). An analysis of serum fatty acids by gas chromatography and an assessment of attention by using the Magallanes Scale of Visual Attention (MSVA) were carried out before and after 1 month of treatment. RESULTS: Our data revealed significant decreases of several ω-6 PUFAs, like arachidonic acid (P<0.0259). EPA and DHA concentrations increased by 27% and 3% respectively, and the ω-6/ω-3 index slightly decreased. The quality of attention significantly increased (P<0.026) and an improvement of ADHD core symptoms was reported both by parents and by teachers. No severe side effects occurred. CONCLUSIONS: Results demonstrate that the combination of MPH and EPA+DHA at the tested doses has positive clinical effects and an adequate safety profile. Therefore, our study suggests that ω-3 PUFAs may represent a feasible and a safe adjuvant therapy in children with ADHD and might enhance the effects of MPH. Further long-term follow-up studies are required to confirm these initial findings.
Asunto(s)
Trastorno por Déficit de Atención con Hiperactividad/tratamiento farmacológico , Ácidos Docosahexaenoicos/administración & dosificación , Ácido Eicosapentaenoico/administración & dosificación , Ácidos Grasos/sangre , Metilfenidato/administración & dosificación , Adolescente , Trastorno por Déficit de Atención con Hiperactividad/sangre , Trastorno por Déficit de Atención con Hiperactividad/fisiopatología , Estimulantes del Sistema Nervioso Central/administración & dosificación , Estimulantes del Sistema Nervioso Central/efectos adversos , Niño , Cromatografía de Gases , Ácidos Docosahexaenoicos/efectos adversos , Quimioterapia Combinada , Ácido Eicosapentaenoico/efectos adversos , Femenino , Humanos , Masculino , Metilfenidato/efectos adversos , Resultado del TratamientoRESUMEN
BACKGROUND AND OBJECTIVES: Despite the numerous investigations carried out in relation to melatonin, there is a lack of knowledge about the specific melatonin secretion patterns in the diverse primary sleep disturbances. The objective of this study was to analyze the plasma melatonin concentrations in children with primary sleep disorders and the effects of melatonin therapy on their serum levels and their actigraphic sleep parameters. METHODS: Fourteen participants (nine girls; seven to 14 years old) diagnosed with diverse primary sleep disorders were recruited. Four different melatonin secretion patterns were identified: low plasma melatonin levels, absence of a circadian rhythm, advanced acrophase, and delayed acrophase. A placebo (one week) was administered followed by three months of melatonin therapy (3 mg/night). Urinary 6-sulfatoxymelatonin levels, 24-hour plasma melatonin concentrations, and a seven-day actigraphic record were collected after both treatments. RESULTS: After melatonin therapy, a significant increase (P < 0.001) of urinary 6-sulfatoxymelatonin excretion with a clear circadian variation was observed. Plasma melatonin concentrations were also significantly higher with a recovery in the circadian rhythm. Actual sleep time was significantly longer, with a substantial reduction in the sleep onset latency and night awakenings. No severe side effects were reported. CONCLUSIONS: The main clinical implication of this study is to demonstrate the efficacy of melatonin in three main circumstances: an insufficient hormone production, a disturbed circadian rhythm, and an advanced or delayed acrophase. As ongoing work, we are exploring the effect of different doses of melatonin on the regulation of its concentrations and of its secretion rhythm.
Asunto(s)
Ritmo Circadiano/efectos de los fármacos , Melatonina/sangre , Melatonina/farmacología , Evaluación de Resultado en la Atención de Salud , Trastornos del Sueño-Vigilia/sangre , Trastornos del Sueño-Vigilia/tratamiento farmacológico , Trastornos del Sueño-Vigilia/fisiopatología , Actigrafía , Adolescente , Niño , Femenino , Humanos , MasculinoRESUMEN
BACKGROUND: The use of palivizumab has been recommended to prevent syncytial respiratory virus (SRV) infection in vulnerable children. METHODS: We performed a retrospective study of hospital admissions for bronchiolitis from 2000 to 2012 in the context of a prevention study with palivizumab in at-risk newborns. RESULTS: A total of 952 children (59.5% males) were admitted due to bronchiolitis. Admissions occurred in younger children in the SRV+ cases compared to the SRV- cases (P<0.001). Additionally, 641 children were treated with Palivizumab at our service. Sixty of these children (9.8%) were admitted due to bronchiolitis and SRV was detected in 22 of them (3.4%). Fifty (7.8%) had underlying diseases, 6 (0.9%) presented with a history of perinatal infection and 20 (3.12%) had been part of a multiple birth. The treated children with some additional risk factor presented a greater risk of admission due to bronchiolitis (OR=1.99, P=0.045); however, this was not observed for admissions due to SRV (P=0.945). CONCLUSIONS: Children treated with Palivizumab showed a lower rate of SRV infection, despite having more risk factors associated with a higher risk of infection or complications.
Asunto(s)
Antivirales/administración & dosificación , Bronquiolitis/tratamiento farmacológico , Palivizumab/administración & dosificación , Infecciones por Virus Sincitial Respiratorio/prevención & control , Factores de Edad , Bronquiolitis/virología , Femenino , Hospitalización , Humanos , Lactante , Recién Nacido , Masculino , Infecciones por Virus Sincitial Respiratorio/epidemiología , Estudios Retrospectivos , Factores de RiesgoRESUMEN
The objective of this study was to analyze circadian patterns of urinary 6-sulphatoxymelatonin (aMT6s) excretion in children with primary sleep disorders in comparison with healthy controls. A total of 124 control children and 124 patients (aged 4-14 years) diagnosed with diverse primary sleep disorders were recruited. aMT6s concentrations were measured in diurnal and nocturnal urine, as well as in 24-hour urine. aMT6s levels were significantly higher and showed significantly more evident circadian variations in the control group ( P < .001). Four different melatonin (aMT) production and excretion patterns were distinguished in the group with sleep disorders: (1) standard aMT production pattern, (2) low aMT production pattern, (3) aMT production pattern with absence of circadian variation, and (4) aMT hyperproduction pattern. This study highlights the importance of analyzing specific alterations of aMT secretion in each sleep disorder and provides evidences to explain why not all children with sleep disturbances do respond to aMT treatment.
Asunto(s)
Melatonina/análogos & derivados , Trastornos del Sueño-Vigilia/orina , Actigrafía , Adolescente , Niño , Preescolar , Femenino , Humanos , Masculino , Melatonina/orina , Polisomnografía , Trastornos del Sueño-Vigilia/clasificaciónRESUMEN
INTRODUCCIÓN: La autoprescripción o medicación «por poderes» en el niño no es una decisión autónoma, libre y voluntaria del paciente, sino que se fundamenta en la interpretación subjetiva que hace de los síntomas la madre o una tercera persona responsable del menor. Analizar esta situación nos parece de vital importancia, a fin de conocer condicionantes, percepciones y realidades relacionadas con esta problemática. MÉTODOS: Nos planteamos analizar mediante un estudio observacional prospectivo condicionantes maternos y familiares relacionados con la autoprescripción y medicación «por poderes» en pediatría. Desarrollamos una encuesta validada para madres de usuarios de 0-14 años de un Servicio de Urgencias pediátricas hospitalario. RESULTADOS: En un periodo de tiempo aleatorio se selecciona a 1.714 madres, de las cuales 345 habían automedicado exclusivamente a sus hijos (grupo problema), las otras 1.369 (grupo control) no cumplían con el requisito anterior. La prevalencia total de medicación «por poderes» fue del 32,8%. Hay asociación significativa entre la automedicación y el nivel de estudios maternos, el número de hijos, el orden que ocupa entre los hermanos. Ni la edad materna, ni el nivel sociolaboral de la familia se relacionan con el problema. Los fármacos utilizados con más frecuencia incluyen antitérmicos y «anticatarrales», habitualmente como monoterapia. CONCLUSIONES: Nuestros resultados parecen indicar que el nivel educativo, y la experiencia adquirida por las madres con hijos previos, les genera la confianza suficiente para elegir los fármacos, que casi en el 85% de los casos proceden del «botiquín doméstico»
INTRODUCTION: Self-prescribing or medicating «by proxy» is not an autonomous, free and voluntary decision in the case of children. On the contrary, in this case it is based on the subjective interpretation of symptoms made by the mother or by a third person who is legally responsible for the minor. In our opinion, to analyse this situation is of great importance in order to know the determining factors, perceptions, and realities related to this problem. METHODS: Our proposal is to perform a prospective observational study for analysing maternal and familiar determinant factors related to self-prescribing and self-medicating 'by proxy' in paediatrics. A validated survey was developed to be applied to mothers of children aged 0 to 14 who are users of the Paediatric Emergency Department in a hospital. RESULTS: A total of 1,714 mothers were recruited in a random period of time. This sample included 345 mothers who exclusively self-medicated their children (case group), and 1,369 mothers (control group) who did not meet this requirement. The overall percentage of medicating 'by proxy' was 32.8%. There is a significant association between self-medicating and educational level of the mother, the number of children, and the birth order among siblings. Neither maternal age nor social-occupational level are related to this problem. Most frequently used drugs include antipyretics and «anticatharrals», usually administered as a monotherapy. CONCLUSIONS: Our results seem to indicate that the educational level and the parental experience acquired with previous children could generate the required confidence in parents to choose the medication by themselves. Almost 85% of these drugs come from the «home first-aid kit»