4,633 results match your criteria: "Department of Clinical Epidemiology and Biostatistics[Affiliation]"

Vitamin D deficiency in non-scarring and scarring alopecias: a systematic review and meta-analysis.

Front Nutr

October 2024

Division of Dermatology, Department of Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.

Article Synopsis
  • The study explores the connection between vitamin D deficiency (VDD) and various alopecia disorders, finding that patients with alopecia are more likely to struggle with lower vitamin D levels compared to those without the condition.
  • Results show that a significant percentage of patients with different types of alopecia (like alopecia areata and female pattern hair loss) have VDD, indicating a strong correlation, especially with higher odds ratios.
  • While the majority of alopecia patients exhibit VDD, the severity of this deficiency varies across different alopecia types, showcasing a particular significance for cases like alopecia areata and female pattern hair loss.
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Article Synopsis
  • Cardiovascular disease, particularly ST elevation myocardial infarction (STEMI), remains a leading cause of death globally, with different outcomes observed in young adults compared to older patients.
  • A study analyzed data from 5,479 STEMI patients to identify factors and short-term outcomes, revealing young patients (under 40) were predominantly male, had higher smoking rates, and greater instances of obesity and family history of coronary artery disease (CAD).
  • Despite experiencing higher rates of procedural failure and complications, the in-hospital death rate for young patients was lower compared to older counterparts, indicating different mortality trends among age groups.
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Objective: The 0bjective is to compare treatment effects between undiluted autologous platelet-rich plasma (APRP) and autologous serum (AS) in patients with moderate-to-severe dry eye disease (DED).

Methods And Analysis: A single-centre, randomised, double-masked, non-inferiority clinical trial was conducted. 96 adult DED patients with an Ocular Surface Disease Index (OSDI) Score of ≥23 and/or Oxford staining grade of ≥2 were randomised to receive either 100% APRP (n=48) or 100% AS (n=48) for 4 weeks.

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Impact of postpartum physical activity on cardiometabolic health, breastfeeding, injury and infant growth and development: a systematic review and meta-analysis.

Br J Sports Med

October 2024

Program for Pregnancy and Postpartum Health, Physical Activity and Diabetes Laboratory, Faculty of Kinesiology, Sport, and Recreation, Women and Children's Health Research Institute, Alberta Diabetes Institute, University of Alberta, Edmonton, Alberta, Canada

Objective: To examine the relationship between postpartum physical activity and maternal postnatal cardiometabolic health, breastfeeding, injury, and infant growth and development.

Design: Systematic review with random-effects meta-analysis and meta-regression.

Data Sources: Eight online databases were searched up until 12 January 2024.

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Article Synopsis
  • Palliative care for seriously ill people in Latin America is getting better, but there's not enough training for informal caregivers like family and friends.
  • A recent review found only three small programs that aimed to educate these caregivers, mostly focusing on emotional support and nursing skills.
  • It's important to help caregivers understand their patients better and deal with their feelings, as well as to connect them with additional support, since they play a crucial role in caring for those who are dying.
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  • A retrospective study analyzed data from patients diagnosed with carpal tunnel syndrome (CTS) and trigger finger in South Korea from 2009 to 2019, addressing limitations of previous research.
  • The study found that the annual incidence rates of both conditions decreased significantly, with CTS incidence at 360.26 per 100,000 person-years and trigger finger at 63.09 per 100,000 person-years.
  • There was an increase in corticosteroid injections for both conditions but a decrease in surgeries for CTS, suggesting changes in treatment approaches over the decade.
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Background: Migraine is a debilitating neurological disorder that presents significant management challenges, resulting in underdiagnosis and inappropriate treatments, leaving patients at risk of medication overuse (MO). MO contributes to disease progression and the development of medication overuse headache (MOH). Predicting which migraine patients are at risk of MO/MOH is crucial for effective management.

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Article Synopsis
  • End-stage kidney disease (ESKD) requires kidney replacement therapies (KRTs) like kidney transplantation (KT), hemodialysis (HD), and peritoneal dialysis (PD) for survival, but access to these treatments is often limited due to high costs.
  • A systematic review analyzed economic evaluations and comparisons of KRTs across thirteen studies, revealing that KT was generally the most cost-effective option, while HD was the least effective and most expensive compared to PD.
  • The review emphasizes that enhancing access to both KT and PD could significantly improve treatment options for ESKD patients, especially in high-income countries.
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Predicting outcomes of unruptured intracranial artery dissection with clear symptoms onset using clinical and radiological features.

Sci Rep

October 2024

Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, 86 Olympicro-43-gil, Songpa-gu, Seoul, 05505, Republic of Korea.

We investigated the clinical and radiologic predictors of unruptured symptomatic intracranial artery dissection (IAD) outcomes. Unruptured symptomatic IAD patients who underwent vessel wall magnetic resonance imaging (VW-MRI) and time-of-flight magnetic resonance angiography (TOF-MRA) within 1 month after symptom onset, followed for over 12 months were included. Baseline features predicting the clinical outcome of recurrent symptoms and radiologic outcomes of aneurysmal dilatation and occlusion were analyzed using logistic regression analysis.

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Article Synopsis
  • The study aimed to establish normal reference ranges for the fetal right ventricular modified myocardial performance index (RV Mod-MPI) using an automated system to measure heart function in normal and congenital diaphragmatic hernia (CDH) fetuses.
  • It found that the automated measurements showed significantly better reproducibility compared to manual methods, with a high intraclass correlation coefficient (ICC).
  • Additionally, the study revealed that RV Mod-MPI values increased with gestational age, but there was no significant difference between fetuses with CDH and normal fetuses.
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Background: Although direct measurement of LDL cholesterol (LDL-C) in blood is possible, there are several formulas for its estimation. The performance and concordance of these formulas have not been evaluated in Colombia.

Objective: To determine the concordance between LDL-C directly measured using the enzymatic technique and existing methods to calculate it.

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Introduction: Weight-loss strategies through meal replacements are effective and sustainable options. However, few studies have assessed their effects on weight loss including body composition through protein-supplemented meal replacements targeting the Asian population, including Koreans. This study aimed to assess the effectiveness and safety of a protein-supplemented very-low-calorie diet (PSVLCD) for weight reduction and changes in body composition in individuals with obesity over a 12-month long-term period.

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Background: Heart failure (HF) in type 2 diabetes (T2D) patients poses a significant clinical and financial burden. While sodium-glucose cotransporter-2 inhibitors (SGLT2i) have shown cardiovascular benefits in trials, they are not included in Thailand's National List of Essential Medicines (NLEM), and their value-for-money remains unassessed.

Objective: This study aims to evaluate the cost-utility of adding SGLT2i to the standard treatment for T2D-HF patients in Thailand.

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Aim: To compare weight and glucometabolic outcomes of semaglutide and metabolic and bariatric surgery (MBS) for patients with type 2 diabetes and obesity.

Materials And Methods: Patients treated with either semaglutide for a duration of ≥2 years or MBS in Sweden were identified within the Scandinavian Obesity Surgery Registry and the National Diabetes Registry and matched in a 1:1-2 ratio using a propensity score matching with a generalized linear model, including age, sex, glycated haemoglobin before treatment, duration of type 2 diabetes, use of insulin, presence of comorbidities and history of cancer, with good matching results but with a remaining imbalance for glomerular filtration rate and body mass index, which were then adjusted for in the following analyses. Main outcomes were weight loss and glycaemic control.

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Background: In total hip arthroplasty (THA), the positioning of components holds critical importance for factors such as joint stability, polyethylene liner wear, and range of motion. This meta-analysis aimed to compare the effects of intraoperative fluoroscopy (IF) versus no use of IF on component positioning and the restoration of patient anatomy during THA.

Methods: We conducted our systematic review following the recommendations outlined in the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guideline.

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Association of Resilience-Related Life Experiences on Variability on Age of Onset in Dominantly Inherited Alzheimer Disease.

Neurology

October 2024

From the Department of Nuclear Medicine (H.J.S., Jai-Hyuen Lee), Dankook University College of Medicine, Cheonan, Chung Nam; Department of Nuclear Medicine (J.S.K.), Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea; Department of Neurology (R.J.B., J.J.L.-G., J.C.M., A.D.), Washington University School of Medicine, St. Louis, MO; Department of Clinical Epidemiology and Biostatistics (S.K.), Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea; Department of Neurology (G.S.D.), Mayo Clinic College of Medicine and Science, Jacksonville, FL; Department of Neurology (J.P.C.), Massachusetts General Hospital, Harvard Medical School, Boston; Department of Neurology (S.B.B.), University of Pittsburgh School of Medicine, PA; Neuroscience Research Australia (P.R.S.); School of Medical Sciences (P.R.S.), University of New South Wales, Sydney, Australia; Department of Cellular Neurology (M.J.), Hertie Institute for Clinical Brain Research, University of Tübingen; German Center for Neurodegenerative Diseases (M.J.), Tübingen; Department of Neurology (J.L.), Ludwig-Maximilians-Universität München; German Center for Neurodegenerative Diseases (J.L.), Munich; Munich Cluster for Systems Neurology (SyNergy) (J.L.), Germany; Department of Neurology (Jae-Hong Lee), University of Ulsan College of Medicine, Asan Medical Center, Seoul, South Korea; Department of Pathology and Immunology (R.J.P.), Knight Alzheimer's Disease Research Center (R.J.P., J.H.), and Department of Neurology (R.J.P., J.H.), Washington University in St. Louis; Department of Psychiatry (C.C.), Washington University School of Medicine; Department of Psychological and Brain Sciences (J.H.), Washington University, St. Louis, MO; and Department of Neurology (S.P.S.), The Warren Alpert Medical School of Brown University, Butler Hospital, Providence, RI.

Article Synopsis
  • The study examines the link between protective lifestyle factors and the age at symptom onset of autosomal dominant Alzheimer disease (ADAD), which is largely influenced by genetics, focusing on how resilience-related experiences may impact this relationship.
  • The researchers analyzed data from the Dominantly Inherited Alzheimer Network, assessing both clinical and lifestyle factors in two groups: one looking at general resilience among people showing cognitive stability despite high pathology and another focusing on specific genetic timelines for ADAD.
  • Findings from 320 participants indicate variations in age at onset among carriers based on lifestyle and resilience factors, revealing potential avenues for understanding how these influences might delay the onset of symptoms in genetically predisposed individuals.
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Validation and efficacy of the Varix Trainer model as a Training device for esophagogastroduodenoscopy.

Endosc Int Open

September 2024

Division of Gastroenterology and Hepatology, Department of Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.

The Varix Trainer model 1 (VTM1) was created for trainees to safely practice basic endoscope manipulation skills. The VTM1 was tested to see if it could distinguish levels of endoscope manipulation skills (construct validity) and whether training with it could improve these skills faster (content validity). We enrolled 23 novice endoscopists, 18 second-year trainees, and 13 expert endoscopists.

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The impact of folic acid/VB12 deficiency on essential hypertension in children and adolescents: from a nested case-control and a cohort study.

J Hum Hypertens

December 2024

Department of Clinical Epidemiology and Biostatistics, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatric Metabolism and Inflammatory Diseases, Key Laboratory of Children's Important Organ Development and Diseases of Chongqing Municipal Health Commission, Chongqing, 400016, China.

To explore the relationship between serum folic acid (FA) or Vitamin B12 (VB12) and elevated BP in children and adolescents. Both a nested case control and a cohort study were designed to explore the relationship between serum folic acid (FA) or Vitamin B12 (VB12) and elevated blood pressure (BP). All the included participants were from primary school.

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Introduction: The Fragility Index (FI) and the FI family are statistical tools that measure the robustness of randomized controlled trials (RCT) by examining how many patients would need a different outcome to change the statistical significance of the main results of a trial. These tools have recently gained popularity in assessing the robustness or fragility of clinical trials in many clinical areas and analyzing the strength of the trial outcomes underpinning guideline recommendations. However, it has not been applied to perioperative care Clinical Practice Guidelines (CPG).

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Objectives: The study aimed to evaluate the correlation between self-reported pubertal developmental scale (PDS) and physically assessed Tanner staging by an experienced pediatrician among girls.

Methods: In a school population-based study in Zhongshan, China, we recruited 1,722 girls in grades 1-3 by a multistage stratified cluster random sampling method. Participants completed self-reported PDS questionnaire prior to physical examination.

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The use of prior knowledge in the machine learning framework has been considered a potential tool to handle the curse of dimensionality in genetic and genomics data. Although random forest (RF) represents a flexible non-parametric approach with several advantages, it can provide poor accuracy in high-dimensional settings, mainly in scenarios with small sample sizes. We propose a knowledge-slanted RF that integrates biological networks as prior knowledge into the model to improve its performance and explainability, exemplifying its use for selecting and identifying relevant genes.

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Article Synopsis
  • Immune checkpoint inhibitors (ICIs) can cause immune-related adverse events like hypophysitis, which affects patients' health and quality of life; this study aimed to understand its clinical features better.
  • Analyzed data from 21 adult patients at Asan Medical Center revealed that the rates of various hormonal deficiencies were high among those with immune-related hypophysitis, while the overall incidence was found to be low but significant.
  • The study offers insights into the timeline and hormonal changes related to irH, potentially helping to predict and manage this condition in patients receiving ICIs.
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Genetic Variance in Heparan Sulfation Is Associated With Salt Sensitivity.

Hypertension

October 2024

Department of Internal Medicine, Section of Nephrology (J.J.O., M.A.R., G.N.S., R.H.G.O.E., L.V.).

Background: High heritability of salt sensitivity suggests an essential role for genetics in the relationship between sodium intake and blood pressure (BP). The role of glycosaminoglycan genes, which are crucial for salinity tolerance, remains to be elucidated.

Methods: Interactions between 54 126 variants in 130 glycosaminoglycan genes and daily sodium excretion on BP were explored in 20 420 EPIC-Norfolk (European Prospective Investigation Into Cancer in Norfolk) subjects.

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Prognostic implication of extra-pancreatic organ invasion in resectable pancreas ductal adenocarcinoma in the pancreas tail.

Eur J Radiol

December 2024

Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea.

Objectives: To assess the prognostic significance of extra-pancreatic organ invasion in patients with resectable pancreatic ductal adenocarcinoma (PDAC) in the pancreas tail.

Materials & Methods: This retrospective study included patients with resectable PDAC in the pancreas tail who received upfront surgery between 2014 and 2020 at a tertiary institution. Preoperative pancreas protocol computed tomography (CT) scans evaluated tumor size, peripancreatic tumor infiltration, suspicious metastatic lymph nodes, and extra-pancreatic organ invasion.

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Haptic experience to significantly motivate anatomy learning in medical students.

BMC Med Educ

August 2024

Department of Morphological Sciences, School of Medicine, Pontificia Universidad Javeriana, Bogotá, Colombia.

Background: Currently, multiple tools exist to teach and learn anatomy, but finding an adequate activity is challenging. However, it can be achieved through haptic experiences, where motivation is the means of a significant learning process. This study aimed to evaluate a haptic experience to determine if a tactile and painting with color marker interactive experience, established a better learning process in comparison to the traditional 2D workshop on printed paper with photographs.

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