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McCormick Merritt posted an update 7 hours, 10 minutes ago
SARS-CoV-2, which causes coronavirus disease 2019 (COVID-19), is suspected to have been first contracted via animal-human interactions; it has further spread across the world by efficient human-to-human transmission. this website Recent reports of COVID-19 in companion animals (dogs and cats) and wild carnivores such as tigers have created a dilemma regarding its zoonotic transmission. Although in silico docking studies, sequence-based computational studies, and experimental studies have shown the possibility of SARS-CoV-2 infection and transmission in cats, ferrets, and other domestic/wild animals, the results are not conclusive of infection under natural conditions. Identifying the potential host range of SARS-CoV-2 will not only help prevent the possibility of human-to-animal and animal-to-human transmission but also assist in identifying efficient animal models that can mimic the clinical symptoms, transmission potential, and pathogenesis of the disease. Such an efficient animal model will accelerate the process of development and evaluation of vaccines, immunotherapeutics, and other remedies for SARS-CoV-2.This study evaluated the psychometric properties of Lao version of Drinking Refusal Self-Efficacy Questionnaire-Shortened Revised Adolescent (L-DRSEQ-SRA). A total of 406 Laotian adolescents from six lower secondary schools, were randomly selected for the evaluation of the following psychometric properties. The original factor model was confirmed via confirmatory factor analysis in Lao adolescents, the convergent and discriminant validity were found appropriate. The mean score of L-DRSEQ-SRA in the non-drinking group was significantly higher than in the drinking group. The L-DRSEQ-SRA showed acceptable internal consistency and test-retest reliability. The psychometric characteristics of the L-DRSEQ-SRA were established throughout this study.Tobacco advertising exposure increases tobacco use among youth. Data were from a largely racial and ethnic minority sample (60% non-Hispanic (NH) Black/African American) of youth (13-18 years) who were nonsmokers susceptible to future tobacco use (n = 686) or current cigarette smokers (n = 674). Regression models tested associations between tobacco advertisement exposure and smoking status, and determined demographic correlates. Nearly all youth recalled seeing a tobacco advertisement (98%), which was associated with smoking (OR = 1.12; 95% CI = 1.08-1.15). Racial minority youth had higher exposure to tobacco advertising. Policies restricting advertisements for all tobacco products are essential for prevention efforts and may help decrease tobacco-related health disparities.
The distinction between multiple primary lung cancers and intra-pulmonary metastases has been extensively investigated because of its important clinical and therapeutic implications.
Rapidly improving imaging technology and genomic analysis has led to a finer discrimination between multiple primary lung tumors and pulmonary metastases. However, over the past few decades, standardized criteria for the identification of multiple lung tumors have been lacking. Therefore, in 2017 a multidisciplinary international committee composed of the Union for International Cancer Control (UICC), American Joint Committee on Cancer (AJCC) and International Association for the Study of Lung Cancer (IASLC) addressed this problem when drawing up the 8th edition of TMN stage classification, that now represents a specific consensus on this topic. The most advanced diagnostic strategies associated with screening allow for the detection of early stage synchronous lung cancers.
Although diagnostic confirmation relies on pathologic and clinical examination, new molecular analyses help in the discrimination between primary and secondary tumors. The treatment of multiple primary lung tumors remains, whenever possible, a local treatment based on surgical resection, providing the absence of distant or local (lymph node) metastases.
Although diagnostic confirmation relies on pathologic and clinical examination, new molecular analyses help in the discrimination between primary and secondary tumors. The treatment of multiple primary lung tumors remains, whenever possible, a local treatment based on surgical resection, providing the absence of distant or local (lymph node) metastases.
The aim of the study was to look for the effectiveness of percutaneous balloon kyphoplasty in the management of vertebral compression osteoporotic and pathological fracture.
A retrospective analysis of 112 patients with 198 symptomatic wedge vertebral compression fractures who were treated by percutaneous balloon kyphoplasty was done. Visual Analogue pain (VAP) scale, Oswestry Disability index (ODI) and Short Form (SF-36) were used to look for the outcome.
Pre-operative median VAS score was (8.0, IQR 2.0) which decreased to (4.0, IQR 3.0) at 12 months. Pre-operative median ODI score was (66, IQR 22) which at 12 months follow up decreased to (28, IQR 31). Short-form 36 showed improvement in all quality of life sub-domains. The physical component summary (PCS) improved from 33.0 ± 5.0 to 37.4 ± 6.1. The Mental component summary (MCS) improved from 17.1 ± 8.6 to 23.5 ± 18.9. The results were statistically significant (
< 0.001).
Percutaneous balloon kyphoplasty alleviates pain and improves function, disability, and quality of life in osteoporotic and pathological fracture.
Percutaneous balloon kyphoplasty alleviates pain and improves function, disability, and quality of life in osteoporotic and pathological fracture.The random discharge of marine fish waste into the coast generates environmental pollution. However, a better valorization of these by-products leads to the extraction of sustainable biomolecules. Chitosan is a natural biopolymer that can be produced from various marine by-products, in particular the crustacean shells, crabs, and fish scales. The aim of this current study is the extraction of chitin and characterization of chitosan obtained after a deacetylation reaction from sardine scales (S. pilchardus) as a new marine source. The β form of chitin extracted undergoes deacetylation in 40% NaOH at 121°C for 20 min. The chemical structure of obtained chitosan was characterized based on Fourier transforms infrared spectroscopy (FTIR), X-ray powder diffraction (XRD), Scanning electron microscope (SEM), and Energy-dispersive X-ray spectroscopy (EDS). The physicochemical properties of obtained chitosan such as the ash, moisture, nitrogen, solubility, molecular weight, fat, and water-binding capacity were also determined.