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Recent research has demonstrated the commonality of several biological markers between Kawasaki disease (KD) and juvenile idiopathic arthritis (JIA), including interleukin-1β and -6. Therefore, in this cohort study, we assessed whether KD increases the risk of JIA. This study enrolled 7009 patients with and 56 072 individuals without KD in the period 2010-2018 from Taiwan's National Health Insurance Research Database. On the basis of sex, age, and comorbidities, we executed propensity score matching at the ratio 1:8. The adjusted hazard ratio (aHR) for JIA was determined through multiple Cox regression. Stratified analysis and sensitivity tests were also employed. When adjusting for age, sex, and comorbidities, the JIA risk was noted to be 2.02-fold greater in children with KD than it was in those without (aHR: 2.02, 95% confidence interval: 1.12-3.67, p = 0.0205). The sensitivity test and subgroup analysis obtained consistent findings in the different sex and comorbidity subgroups. Children's risk of JIA is higher if they have KD. Pediatricians should consider the possibility of JIA in this population. More investigations are necessary to identify the pathological mechanisms that link JIA and KD.

Respiratory syncytial virus (RSV) is a significant cause of lower respiratory tract infections in adults, particularly the elderly, and can lead to severe outcomes, including respiratory failure. Current treatment options for RSV in immunocompetent adults are limited to supportive care. This case series aims to describe the clinical course and outcomes of two immunocompetent adults with severe RSV infection treated with Palivizumab, a monoclonal antibody against RSV. We report two cases: a 92-year-old female with a history of hypertension and a previous meningioma resection, and a 42-year-old female with no significant past medical history. Both presented with severe respiratory symptoms, were diagnosed with RSV infection via PCR, and received a single dose of intramuscular Palivizumab (approximately 12-13 mg/kg) after initial clinical deterioration despite supportive care and empiric antibiotic therapy. Following Palivizumab administration, both patients exhibited clinical improvement, including resolution of fever and improvement in oxygenation and radiographic findings. Both patients were discharged in stable condition without the need for supplemental oxygen. These cases suggest that Palivizumab may be a potential therapeutic option for severe RSV infection in immunocompetent adults. Further research, including randomized controlled trials, is needed to confirm these preliminary findings and establish optimal dosing and treatment protocols.

Sepsis remains an important cause of death worldwide, and vigorous immune responses during sepsis could be beneficial for bacterial clearance but at the price of collateral damage to self tissues. Mesenchymal stem cells (MSCs) have been found to modulate the immune system and attenuate sepsis. In the present study, MSCs derived from bone marrow and umbilical cord were used and compared. With a cecal ligation and puncture (CLP) model, the mechanisms of MSC-mediated immunoregulation during sepsis were studied by determining the changes of circulating inflammation-associated cytokine profiles and peripheral blood mononuclear cells 18 hours after CLP-induced sepsis. In vitro, bone marrow-derived MSCs (BMMSCs) and umbilical cord-derived MSCs (UCMSCs) showed a similar morphology and surface marker expression. UCMSCs had stronger potential for osteogenesis but lower for adipogenesis than BMMSCs. Compared with rats receiving PBS only after CLP, the percentage of circulating CD3+CD4+CD25+ regulatory T (Treg) cells and the ratio of Treg cells/T cells were elevated significantly in rats receiving MSCs. Further experiment regarding Treg cell function demonstrated that the immunosuppressive capacity of Treg cells from rats with CLP-induced sepsis was decreased, but could be restored by administration of MSCs. Compared with rats receiving PBS only after CLP, serum levels of interleukin-6 and tumor necrosis factor-α were significantly lower in rats receiving MSCs after CLP. There were no differences between BMMSCs and UCMSCs. In summary, this work provides the first in vivo evidence that administering BMMSCs or UCMSCs to rats with CLP-induced sepsis could increase circulating CD3+CD4+CD25+ Treg cells and Treg cells/T cells ratio, enhance Treg cell suppressive function, and decrease serum levels of interleukin-6 and tumor necrosis factor-α, suggesting the immunomodulatory association of Treg cells and MSCs during sepsis.

Infective endocarditis is a potentially fatal condition, and identifying the pathogen is crucial to optimizing antibiotic treatment. While a blood culture takes time and may yield negative results, it remains the gold standard for diagnosis, blood culture-negative endocarditis, which accounts for up to 20% of infective endocarditis cases, poses a clinical challenge with increasing mortality. To better understand the etiology of blood culture-negative infective endocarditis, we reviewed non-culture-based strategies and compared the results. Serology tests work best in limited pathogens, such as and infections. Most of the pathogens identified by broad-range PCR tests are , and . adding specific real-time PCR assays to the systematic PCR testing of patients with blood culture-negative endocarditis will increase the efficiency of diagnosis. Recently, metagenomic next-generation sequencing has also shown promising results.

A challenge in accurately identifying and classifying left ventricular hypertrophy (LVH) is distinguishing it from hypertrophic cardiomyopathy (HCM) and Fabry disease. The reliance on imaging techniques often requires the expertise of multiple specialists, including cardiologists, radiologists, and geneticists. This variability in the interpretation and classification of LVH leads to inconsistent diagnoses. LVH, HCM, and Fabry cardiomyopathy can be differentiated using T1 mapping on cardiac magnetic resonance imaging (MRI). However, differentiation between HCM and Fabry cardiomyopathy using echocardiography or MRI cine images is challenging for cardiologists. Our proposed system named the MRI short-axis view left ventricular hypertrophy classifier (MSLVHC) is a high-accuracy standardized imaging classification model developed using AI and trained on MRI short-axis (SAX) view cine images to distinguish between HCM and Fabry disease. The model achieved impressive performance, with an F1-score of 0.846, an accuracy of 0.909, and an AUC of 0.914 when tested on the Taipei Veterans General Hospital (TVGH) dataset. Additionally, a single-blinding study and external testing using data from the Taichung Veterans General Hospital (TCVGH) demonstrated the reliability and effectiveness of the model, achieving an F1-score of 0.727, an accuracy of 0.806, and an AUC of 0.918, demonstrating the model’s reliability and usefulness. This AI model holds promise as a valuable tool for assisting specialists in diagnosing LVH diseases.

This study explores the possible association between the risk of ischemic stroke and conjugated equine estrogen (CEE) use in women who are over 55 years old and have diabetes. Data from the National Health Insurance system of Taiwan were used to identify 428 women over 55 years old with diabetes who used CEE (0.625 mg daily) from 2003 to 2009. For comparison, 21026 women with diabetes who were from the same cohort and did not use estrogen were used as a control group, excluding patients with previous ischemic stroke at the baseline. The propensity score method was used to identify a 1:3 ratio for the matched cohort (n = 1284). Covariates used for propensity score-matching included age and comorbidities. Cox's proportional hazard model was applied to estimate the relationship between CEE use and ischemic stroke. The overall incidence of ischemic stroke was significantly lower in patients using CEE than in the control group (0.9% compared with 3.0%, p = 0.016). Further analyses using Cox's proportional hazard model revealed that after adjusting for age, comorbidities, socioeconomic status, urbanization, and other medications associated with ischemic stroke, a lower risk was present in patients with CEE use (hazard ratio: 0.34; 95% confidence interval: 0.12-0.97). Time of menopause could not be identified because of the nature of the database. CEE might decrease the risk of ischemic stroke in women with diabetes aged over 55 years, according to this population-based study.

Aim Continuous real-time echocardiographic monitoring is essential for guidance during ASD closure. However, transthoracic echocardiography (TTE) can only be implemented intermittently during fluoroscopy. We evaluate a novel approach to provide real-time imaging during the entire procedure. Finding We developed a custom-made TTE monitoring apparatus using artificial hand (AH-TTE) that enables real-time TTE images during atrial septal defect (ASD) closure. Thirty-two patients underwent successful device implantation using AH-TTE monitoring without complications. The median duration for real-time AH-TTE monitoring was 22 min and the median fluoroscopy time was 7.2 min. One case of pericardial effusion and one of transient bradycardia event due to air embolism was detected. All patients had uneventful recoveries. Conclusions Our simple and novel monitoring technique with AH-TTE provides TEE-like monitoring and may be a new alternative method for ASD closure. It gives real-time stable TTE images and minimizes radiation exposure for the interventional team during fluoroscopy.

Different immunoglobulin manufacturing processes may influence its effectiveness for Kawasaki disease. However, nationwide studies with longitudinal follow-up are still lacking. The aim of this study was to evaluate the comparative effectiveness of immunoglobulin preparations from a nationwide perspective. This is a nationwide retrospective cohort study with a new user design. Data came from the National Health Insurance Research Database of Taiwan. From 1997 to 2008, children under 2 years old who received immunoglobulin therapy for the first time under the main diagnosis of Kawasaki disease were enrolled. The manufacturing processes were divided into β-propiolactonation, acidification and those containing IgA. The endpoints were immunoglobulin non-responsiveness, acute aneurysm, prolonged use of anti-platelets or anti-coagulants, and recurrence. In total, 3830 children were enrolled. β-propiolactonation had a relative risk of 1.45 (95% CI 1.08~1.94) of immunoglobulin non-responsiveness, however, the relative risks for acidification and containing IgA were non-significant. For acute aneurysms, acidification had a relative risk of 1.49 (95% CI 1.17~1.90), however the relative risks for β-propiolactonation and containing IgA were non-significant. For prolonged use of anti-platelets or anti-coagulants, β-propiolactonation had a relative risk of 1.44 (95% CI 1.18~1.76), and acidification protected against them both with a relative risk of 0.82 (95% CI 0.69~0.97), whereas the relative risk for containing IgA was non-significant. For recurrence, all three factors were non-significant. The effectiveness of immunoglobulin may differ among different manufacturing processes. β-propiolactonation had a higher risk of treatment failure and prolonged use of anti-platelets or anti-coagulants. Acidification may increase the risk of acute coronary aneurysms.

Objective Data regarding the association between hypoglycemia and attention deficit hyperactivity disorder (ADHD) in children and adolescents with type 1 diabetes mellitus (T1DM) are limited. This study investigated whether hypoglycemia was associated with the risk of ADHD in young people with T1DM. Methods Children and adolescents with a diagnosis of T1DM were identified from the Longitudinal National Health Insurance Database in Taiwan from 1998 to 2011. Among them who were newly diagnosed with hypoglycemia during 2000 to 2007 were selected for the hypoglycemia cohort. The hypoglycemia diagnosis date was defined as the index date. Those who were diagnosed with ADHD before the index date were excluded. The main outcome was the development of ADHD. In total, 726 participants with hypoglycemia and 2852 participants without hypoglycemia were included in this study. Results The overall incidence density of ADHD was markedly increased among cohort with hypoglycemia compared with cohort without hypoglycemia (4.74 vs 1.65 per 1000 person‐years), with an adjusted hazard ratio (aHR) of 2.73 (95% confidence interval [CI] = 1.50‐4.98). Cohort with hypoglycemia who had experienced a hypoglycemic coma had a significantly higher risk of ADHD (aHR = 6.54, 95% CI = 1.89‐22.7) compared with cohort without hypoglycemia. Conclusions Hypoglycemia, especially hypoglycemic coma, is significantly associated with a subsequent risk of ADHD in young people with T1DM.

Croup is the leading infectious disease resulting in pediatric upper airway obstruction. Our purpose is to analyze diverse features of neck radiographs could be seen as an objective tool to predict outcomes in patients with croup. One hundred and ninety-two patients were prospectively recruited in pediatric emergency department with diagnosis of croup. The initial Westley score (WS), presence of steeple sign, extent of narrowing, and narrowing ratio on soft tissue neck radiographs were determined before and after treatments. The extent of frontal narrowing, extent of lateral narrowing, frontal ratio (FR), and lateral ratio (LR) were investigated to predict clinical outcomes in patients with croup. The extent of frontal/lateral narrowing and LR had significant correlation with outpatient status. Almost 71% of patients with FR values below 0.23 stayed in the hospital longer, whereas nearly 98% of patients with FR vales above 0.65 could be discharged. About 85% of patients with LR below 0.45 hospitalized longer. The LR and FR were significantly correlated with the severity and admission rate in croup. The LR > 0.6 and FR > 0.65 may indicate low risk in patients with croup, whereas the FR < 0.23 or LR < 0.45 may indicate the need of stay in hospital for further treatment and monitor.