Publications by authors named "Chen Chih-Yu"

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  • Endurance exercise training (ExT) leads to significant changes in lipid composition across various tissues, highlighting the need for a deeper understanding of these alterations.
  • In a study involving Fischer-344 rats, it was found that both male and female rats show distinct lipid remodeling in tissues like the heart, liver, and skeletal muscle after different durations of ExT.
  • Exercise resulted in lower body fat and better cardiorespiratory fitness, with important changes in types of lipids (like phospholipids and ceramides) that could help explain how exercise benefits overall health.
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  • DACPR (dispatcher-assisted cardiopulmonary resuscitation) significantly boosts survival rates for patients experiencing out-of-hospital cardiac arrest, but its effectiveness can differ based on the location of the incident (home vs public place).
  • A study analyzing 1,160 OHCA cases in Taichung City found that public places had younger and predominantly male patients, but lower rates of chest compressions (41.1% vs 65.5% in homes) and a longer time to recognize the OHCA (108 seconds vs 79 seconds).
  • Public callers faced more physical barriers and were more likely to refuse guidance during emergencies compared to private home callers, who experienced higher OHCA recognition and more successful implementation
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  • The study investigates a new alarm system, the Hearing AED app, designed to expediently activate nearby automated external defibrillators (AEDs) during out-of-hospital cardiac arrests (OHCA).
  • The simulation involved participants divided into three groups: bystanders at the scene, responders alerted by the app within 300 meters, and AED alarm responders directed to AED locations.
  • Results showed that AED alarm responders were the fastest in retrieving AEDs, significantly shortening delivery time compared to the other groups.
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Proximal humerus fractures (PHFs) are among the most common upper-extremity fractures, with a rising incidence linked to the growing elderly population. Treatment options include non-surgical and surgical methods, but the best approach for geriatric PHFs remains debated. Patient selection for treatment must consider clinical and functional outcomes and the potential complications of surgery.

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  • A study examined the effectiveness of fluticasone furoate and vilanterol (FF/VIL) compared to budesonide/formoterol (BUD/FOR) in asthma patients classified as step 3 or 4 according to treatment guidelines.
  • After 12 months, those on FF/VIL reported greater improvements in asthma control test (ACT) scores than those on BUD/FOR, who showed no significant change in their fractional exhaled nitric oxide (FeNO) levels.
  • Despite variations in ACT and FeNO results, neither treatment group showed meaningful changes in pulmonary function, blood eosinophil count, or acute asthma exacerbation rates.
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Intramedullary screw fixation (IMS) and locking plate fixation (LPF) are currently recommended treatments for proximal fifth metatarsal fractures (PFMF). However, treating comminuted or small displaced avulsion PFMF with IMS poses challenges due to complications. A novel alternative fixation method, the locking compression plate for distal ulna hook plate fixation (LPF), has been introduced recently for distal ulna fractures and has shown improved clinical results.

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  • The study investigates how omega-3 fatty acids (n-3 FA) might positively influence leukocyte telomere length (LTL), a marker of aging, using special mice that naturally have higher n-3 FA levels.
  • Results showed that fat-1 transgenic mice had significantly longer LTL compared to wild-type mice at 10 months old, suggesting that higher n-3 FA levels are linked to slower telomere shortening.
  • The findings indicate potential benefits of omega-3 fatty acids in reducing telomere attrition, which may help in combating premature aging.
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Little is known about lipid changes that occur in the setting of metabolic-dysfunction-associated steatotic liver disease (MASLD) regression. We previously reported improvements in hepatic steatosis, de novo lipogenesis (DNL), and metabolomic profiles associated with oxidative stress, inflammation, and selected lipid metabolism in 40 adolescent boys (11-16 y) with hepatic steatosis ≥5% (98% meeting the definition of MASLD). Participants were randomized to a low-free-sugar diet (LFSD) (n = 20) or usual diet (n = 20) for 8 weeks.

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The biology of individual lipid species and their relevance in Alzheimer's disease (AD) remains incompletely understood. We utilized non-targeted mass spectrometry to examine brain lipids variations across 316 post-mortem brains from participants in the Religious Orders Study (ROS) or Rush Memory and Aging Project (MAP) cohorts classified as either control, asymptomatic AD (AAD), or symptomatic AD (SAD) and integrated the lipidomics data with untargeted proteomic characterization on the same individuals. Lipid enrichment analysis and analysis of variance identified significantly lower abundance of lysophosphatidylethanolamine (LPE) and lysophosphatidylcholine (LPC) species in SAD than controls or AAD.

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(1) Pathological humeral shaft fracture (PHSF) is a frequently observed clinical manifestation in the later stages of tumor metastasis. Surgical interventions are typically recommended to alleviate pain and restore functionality. Intramedullary nail fixation (INF) or plate fixation (PF) is currently recommended for the treatment of PHSF.

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Background: Early recognition of cardiac arrest and early initiation of bystander cardiopulmonary resuscitation can increase the survival of patients with out-of-hospital cardiac arrest (OHCA). We compared dispatcher-assisted cardiopulmonary resuscitation (DACPR) effectiveness before and after using different communication models in the dispatching center.

Method: We analyzed dispatch recordings of non-trauma origin OHCA cases received by the Taichung dispatch center between May 1 to September 30, 2021, and November 1, 2021, to March 31, 2022.

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  • Postoperative adhesion is a common complication after surgery, leading to the need for materials that can prevent it.
  • This study investigates how adding salts affects the properties of acetylated distarch phosphate potato starch powders, particularly focusing on water absorption and viscosity.
  • Results indicate that NaCl-modified starch powders significantly enhance water absorption and viscosity, showing promising potential as an anti-adhesive biomaterial to improve surgical outcomes and patient quality of life.
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Current Dietary Guidelines for Americans recommend replacing saturated fat (SFA) intake with polyunsaturated fatty acids (PUFAs) and monosaturated fatty acids (MUFAs) but do not specify the type of PUFAs, which consist of two functionally distinct classes: omega-6 (n-6) and omega-3 (n-3) PUFAs. Given that modern Western diets are already rich in n-6 PUFAs and the risk of chronic disease remains high today, we hypothesized that increased intake of n-3 PUFAs, rather than n-6 PUFAs, would be a beneficial intervention against obesity and related liver diseases caused by high-fat diets. To test this hypothesis, we fed C57BL/6J mice with a high-fat diet (HF) for 10 weeks to induce obesity, then divided the obese mice into three groups and continued feeding for another 10 weeks with one of the following three diets: HF, HF+n-6 (substituted half of SFA with n-6 PUFAs), and HF+n-3 (substituted half of SFA with n-3 PUFAs), followed by assessment of body weight, fat mass, insulin sensitivity, hepatic pathology, and lipogenesis.

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Carbapenem-resistant Acinetobacter baumannii (CRAB) infection is common worldwide. Despite carbapenem resistance, standard-dose carbapenems are still used in clinical practice. Hence in this study, we aimed to compare the efficacy and outcomes of a regimen containing standard-dose carbapenems with those of a regimen lacking carbapenems during the treatment of critically ill patients with CRAB nosocomial pneumonia in the intensive care unit (ICU).

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This review assessed the development of Taiwan's emergency medical services (EMS) and focused on the optimizing initiatives of the EMS systems, the current state of Taiwan's EMS system, EMS benchmarks in different regions of Taiwan, EMS response during the coronavirus disease 2019 (COVID-19) pandemic, and future design. In the past decade, there has been a noticeable increase in prehospital services, numerous optimizing initiatives to improve patient prognosis, and the medical oversight model. Taiwan's current EMS system, including the dispatch system, out-of-hospital cardiac arrest (OHCA) patient management, time-sensitive critical illness in prehospital settings, and disaster response, has undergone significant improvements.

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  • * Research involved housing wild-type mice with AD transgenic mice, revealing that this exposure led to significant changes in gut microbiota, cognitive impairment, and tau protein issues.
  • * The study suggests that AD-associated microbiota can be transmitted, affecting the cognitive health of non-AD individuals, and highlights the promise of probiotics like Lactobacillus and Bifidobacterium in reversing these effects.
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Spouses of Alzheimer's disease (AD) patients are at higher risk of developing AD dementia, but the reasons and underlying mechanism are unknown. One potential factor is gut microbiota dysbiosis, which has been associated with AD. However, it remains unclear whether the gut microbiota dysbiosis can be transmitted to non-AD individuals and contribute to the development of AD pathogenesis and cognitive impairment.

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Proksee (https://proksee.ca) provides users with a powerful, easy-to-use, and feature-rich system for assembling, annotating, analysing, and visualizing bacterial genomes. Proksee accepts Illumina sequence reads as compressed FASTQ files or pre-assembled contigs in raw, FASTA, or GenBank format.

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  • * It finds that the ferroptosis signature is more strongly associated with immune activation in HPV-negative HNSCC compared to HPV-positive cases, suggesting a significant difference based on HPV status.
  • * Additionally, the research indicates that inducing ferroptosis can enhance the effectiveness of anti-PD-L1 antibody treatment, highlighting the potential for using ferroptosis inducers to improve immune checkpoint inhibitors' efficacy in fighting tumors.
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  • Recent research indicates that maternal immunity and gut microbiota significantly influence obesity development in offspring, particularly through helminth infections in mice.
  • Female mice infected with Heligomosomoides polygyrus (Hp) had offspring that gained less weight on a high-fat diet compared to those from uninfected mothers, suggesting protective effects from the maternal infection.
  • The study highlights that the changes in gut microbiome composition and production of short-chain fatty acids (SCFAs) in Hp-infected mothers altered the metabolic outcomes in their offspring, emphasizing the importance of maternal health on obesity risk.
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Hospital-acquired pneumonia (HAP) and ventilator-associated pneumonia (VAP) caused by carbapenem-resistant Acinetobacter baumannii (CRAB) are both associated with significant morbidity and mortality in daily clinical practice, as well as in a critical care setting. It is unclear whether colistin susceptible-only Acinetobacter baumannii (CSO AB) is a unique phenotype separate from or a subset of CRAB-associated pneumonia. The aim of this study is to investigate the prevalence of CSO AB pneumonia and compare the presentation and outcome between CSO AB and CRAB-associated pneumonia in critically ill patients.

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  • Tigecycline is a type of antibiotic that can fight off certain hard-to-treat bacteria known as carbapenem-resistant Gram-negative bacteria (CR-GNB), often causing pneumonia in hospitalized patients.
  • A study looked at ICU patients with pneumonia from CR-GNB to see if adding tigecycline to their treatment would help them recover better.
  • Results showed that patients who got tigecycline had lower death rates and a better chance of getting better compared to those who didn't, especially after 28 days of treatment.
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This study evaluated the mid-term (12-month) biomechanical, biocompatibility, and biological performance of additive-manufactured bioabsorbable iron-based interference screws (ISs). Two bioabsorbable iron IS types-manufactured using pure iron powder (iron_IS) and using pure iron powder with 0.2 wt% tricalcium phosphate (TCP_IS)-were compared with conventional metallic IS (control) using in vitro biocompatibility and degradation analyses and an in vivo animal study.

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