ABSTRACT
BACKGROUND AND OBJECTIVES: Nutritional screening has been recommended for hospitalized patients. The goal of this study was to compare the screening value of Nutritional Risk Screening 2002 (NRS-2002), Malnutrition Universal Screening Tool (MUST), and Malnutrition Screening Tool (MST) in inpatients with laryngeal cancer, and to identify which is the most accurate. METHODS AND STUDY DESIGN: An observational cross-sectional study of 197 laryngeal cancer patients admitted for surgery was conducted using continuous sampling. NRS-2002, MUST, and MST were used to screen the nutritional risk of patients after admission and before discharge. Diagnostic information and the length-of-hospital stay (LOS) data were extracted from the hospital HIS system. RESULTS: The detection rates of NRS-2002, MUST, and MST in admission or discharge patients were 14.7%/27.9%, 22.3%/26.9%, and 4.6%/11.2%, respectively. Using NRS-2002 as the reference, high sensitivity (82.8%) and a Kappa coefficient (k=0.584) were achieved using MUST in admission patients, while MST presented the lowest sensitivity (17.3%) and Kappa coefficient (k=0.208). MST maintained low sensitivity (25.5%) and Kappa coefficient (k=0.243) in discharge patients. NRS-2002 ≥3 was an independent risk factor for longer LOS in patients with laryngeal cancer (odds ratio (OR)=5.59, 95% confidence interval (CI)=1.86-16.81, p=0.002). The MUST and MST scores did not predict long LOS. CONCLUSIONS: Compared with NRS-2002, MUST is superior to MST in sensitivity, specificity, and Kappa coefficient. NRS-2002 better identified patients at risk for longer LOS, but a consistent conclusion was not reached with MUST and MST. Further validation in larger samples is needed.
Subject(s)
Inpatients , Laryngeal Neoplasms/surgery , Length of Stay , Malnutrition/prevention & control , Nutrition Assessment , Cross-Sectional Studies , Female , Humans , Male , Middle Aged , Postoperative Complications/prevention & control , Sensitivity and SpecificityABSTRACT
Fe-doped NaBiO3 nanoscaled compounds were prepared by hydrothermal method and evaluated as a highly efficient photo-Fenton-like catalyst under visible light irradiation. The Fe-doped NaBiO3 compound had a specific surface area of 41.42 m2â g-1, which is considerably larger than that of NaBiO3 nanoparticles (28.81â m2â g-1). The compound exhibited an excellent visible light-Fenton-like catalysis activity, which is influenced by the iron content of the compound and the pH value of the solution. Under the optimal conditions, the Fe-doped NaBiO3 compound led to fast degradation of Nonylphenol with an apparent rate constant of 5.71 × 10-2 min-1, which was 8.23-fold of that achieved by using NaBiO3. The significantly enhanced visible light-Fenton-like catalytic property of the Fe-doped NaBiO3 was attributed to the large surface area and the high adsorption capacity of the compound, and the Fenton catalytic ability of iron in the compound.
Subject(s)
Hydrogen Peroxide , Light , Catalysis , PhenolsABSTRACT
Two Cd(ii) metal-organic frameworks were synthesized from the NH-functionalized dicarboxylate ligand 9H-carbazole-2,7-dicarboxylic acid (2,7-H2CDC). Compound , [Cd4(CDC)4(DMF)4]·4DMF·4H2O, displays 2D square grid networks based on novel tetranuclear [Cd4(COO)8] secondary building units (SBUs) and pairwise CDC(2-) linkers. Compound , (H3O)2[Cd3(2,7-CDC)4]·3DMF·4H2O, is also based on 4-connected SBUs and pairwise CDC linkers, but the unusual trinuclear [Cd3(COO)8] SBUs lead to 2-fold interpenetrated 3D diamond-type frameworks with guest accessible voids. Both compounds display strong blue fluorescence in the solid state, and compound shows high catalytic activity for Knoevenagel condensation.