The prognostic value of easily accessible hematologic biomarkers, such as the neutrophil-to-HDL ratio, as well as the monocyte-to-HDL, lymphocyte-to-HDL, and platelet-to-HDL ratios, remains underexplored in patients with established ischemic heart disease (IHD). Community-dwelling adults aged ≥ 20 with established IHD from the National Health and Nutrition Examination Survey (NHANES) 1999-2018 were eligible. Mortality was tracked through linkage to the National Death Index (NDI) until the end of 2019.
View Article and Find Full Text PDFObjective: Gestational diabetes mellitus (GDM) is a disorder that can occur during the second trimester of pregnancy. Our main objective was to perform a retrospective propensity-score matched analysis of a general population and to examine commonly occurring adverse maternal and infant outcomes in Taiwanese primiparous women with GDM.
Materials And Methods: We conducted a nationwide population-based, retrospective propensity-score matched cohort study using the claims data from the Taiwan's National Health Insurance program between 2000 and 2015.
Chronic constipation is a prevalent problem that significantly impacts older adults' well-being. This study aimed to explore how older adults describe constipation symptoms and impacts and understand the perceived taboo surrounding discussions on related issues. Twenty older adults with constipation were interviewed using a semi-structured format in Taiwan.
View Article and Find Full Text PDFBackground: The initial severity of acute ischemic stroke (AIS) is a crucial predictor of the disease outcome. In this study, blood and urine biomarkers from patients with AIS were measured to estimate stroke severity and predict long-term stroke outcomes.
Methods: The medical records of patients with AIS between October 2016 and May 2020 were retrospectively analyzed.
The stereoselectivity of glycosidic bond formation continues to pose a noteworthy hurdle in synthesizing carbohydrates, primarily due to the simultaneous occurrence of S1 and S2 processes during the glycosylation reaction. Here, we applied an in-depth analysis of the glycosylation mechanism by using low-temperature nuclear magnetic resonance and statistical approaches. A pathway driven by counterion exchanges and reaction byproducts was first discovered to outline the stereocontributions of intermediates.
View Article and Find Full Text PDFBackground: Heart failure (HF) continues to be the major cause of hospitalizations. Despite numerous significant therapeutic progress, the mortality rate of HF is still high. This longitudianl cohort study aimed to investigate the associations between hematologic inflammatory indices neutrophil percentage-to-albumin ratio (NPAR), neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), and all-cause mortality in community-dwelling adults with HF.
View Article and Find Full Text PDFThe purpose of the present study was to examine the potential of a machine learning model with integrated clinical and CT-based radiomics features in predicting pathologic complete response (pCR) to neoadjuvant systemic therapy (NST) in breast cancer. Contrast-enhanced CT was performed in 329 patients with breast tumors (n = 331) before NST. Pyradiomics was used for feature extraction, and 107 features of seven classes were extracted.
View Article and Find Full Text PDFBackground: Catheter-related bloodstream infection (CRBSI) due to dialysis is the major factor causing morbidity and mortality factor for patients undergoing hemodialysis and is associated with additional costs for these patients. This study investigated the effect of a novel care program in terms of reducing CRBSIs for hemodialysis patients with nontunneled (temporary) catheters inserted in their femoral veins.
Methods: This study included dialysis patients (inpatients and outpatients) from July 2018 to September 2019, covering two periods, pre-intervention (baseline period) and intervention with a novel care program (novel care period).
Omental lymphangioma is a rare pathology presented in the abdomen, and it can mimic several clinical conditions. Owing to its variable signs and symptoms, making a correct diagnosis by clinicians may be difficult. Surgical excision is the gold standard treatment.
View Article and Find Full Text PDFThe glycosylation reaction, which is key for the studies on glycoscience, is challenging due to its complexity and intrinsic side reactions. Thioglycoside is one of the most widely used glycosyl donors in the synthesis of complex oligosaccharides. However, one of the challenges is its side reactions, which lower its yield and limits its efficiency, thereby requiring considerable effort in the optimization process.
View Article and Find Full Text PDFMethods for direct dehydrative glycosylations of carbohydrate hemiacetals catalyzed by diphenylammonium triflate under microwave irradiation are described. Both armed and disarmed glycosyl-C1-hemiacetal donors were efficiently glycosylated in moderate to excellent yields without the need for any drying agents and stoichiometric additives. This method has been successfully applied to a solid-phase glycosylation.
View Article and Find Full Text PDFStereocontrolled chemical glycosylation remains a major challenge despite vast efforts reported over many decades and so far still mainly relies on trial and error. Now it is shown that the relative reactivity value (RRV) of thioglycosides is an indicator for revealing stereoselectivities according to four types of acceptors. Mechanistic studies show that the reaction is dominated by two distinct intermediates: glycosyl triflates and glycosyl halides from N-halosuccinimide (NXS)/TfOH.
View Article and Find Full Text PDFBackground: Kawasaki disease (KD) is an acute systemic vasculitis that occurs in children and may lead to cardiovascular morbidity and mortality. Progressive coronary dilatation for at least 2 months is associated with worse late coronary outcomes in patients with KD having medium or giant aneurysms. However, the risk factors and occurrence of progressive coronary dilatation in patients with KD but without medium or giant aneurysms have been insufficiently explored.
View Article and Find Full Text PDFOrg Biomol Chem
August 2014
The desymmetrisation and regioselective protection of trehalose are major challenges in the chemical synthesis of biologically essential trehalose glycolipids. We reviewed the literature on desymmetrising trehalose to synthesise trehalose glycolipids and highlighted an efficient regioselective 6-O-phosphorylation method that can be applied to synthesise asymmetric trehalose glycolipids.
View Article and Find Full Text PDFIn the Candida antarctica lipase B-catalyzed hydrolysis of (R,S)-azolides derived from (R,S)-N-protected proline in water-saturated methyl tert-butyl ether (MTBE), high enzyme activity with excellent enantioselectivity (V (S) V (R) (-1) > 100) for (R,S)-N-Cbz-proline 1,2,4-triazolide (1) and (R,S)-N-Cbz-proline 4-bromopyrazolide (2) was exploited in comparison with their corresponding methyl ester analog (3). Changing of the substrate structure, water content, solvent, and temperature was found to have profound influences on the lipase performance. On the basis of enzyme activity and enantioselectivity and solvent boiling point, the best reaction condition of using 1 as the substrate in water-saturated MTBE at 45 °C was selected and further employed for the successful resolution of (R,S)-N-Cbz-pipecolic 1,2,4-triazolide (5) and (R,S)-N-Boc-nipecotic 1,2,4-triazolide (9).
View Article and Find Full Text PDFPhagocyte, the first inflammatory response of the immune system, is an important component of the wound healing process. For children with low immunity who suffer from phagocyte deficiency, even a small wound will result in a rapid response to systemic infection, poor wound healing, and hospitalization for treatment. Such treatments often bring enormous pressure to bear on the child, with serious impacts on his or her psychological well-being as well as on that of the family.
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