Notes

The Social-Identity Principle involving Information-Access Rules (SITIAR): Understanding the Psychology involving Revealing and Denying.
021).

Health literacy score of patients with urinary incontinence (UI) who refused surgery was lower than those who accepted surgery. Acceptance of surgery may be increased by providing more understandable and clear information, especially for women with lower HL levels.
Health literacy score of patients with urinary incontinence (UI) who refused surgery was lower than those who accepted surgery. Acceptance of surgery may be increased by providing more understandable and clear information, especially for women with lower HL levels.
Superior vena cava (SVC) syndrome includes the clinical sequalae of facial and bilateral upper extremity edema, dizziness, and occasional syncope. Historically, most cases have been associated with malignancy and treatment is palliative. However, cardiac device leads have been identified as important nonmalignant causes of this syndrome. There are little data on the effectiveness of venoplasty and lead extraction in the management of these patients.

The objective of this study was to report the findings associated with the use of balloon angioplasty and lead extraction in the management of 17 patients with lead induced SVC syndrome.

Data collected from January 2003 to July 2019 identified 17 cases of SVC syndrome at our tertiary center. Their outcomes were compared to a control group of patients without SVC syndrome. A P value of <.05 was considered statistically significant.

Of the 17 patients, 13 (76%) underwent transvenous lead extraction and venoplasty. Three patients (18%) were treated with venoplasty alone, and 1 patient (6%) underwent surgical SVC reconstruction. In 10 patients (59%), transvenous reimplantation was necessary. Symptom resolution was achieved in all 17 patients and confirmed at both 6 and 12 months' follow-up. There was no significant difference in the rate of complications associated with transvenous lead extraction for SVC syndrome vs control.

In patients with SVC syndrome, venoplasty and lead extraction are safe and effective for resolution of symptoms and maintaining SVC patency.
In patients with SVC syndrome, venoplasty and lead extraction are safe and effective for resolution of symptoms and maintaining SVC patency.Hydroxyapatite (HA) nanorods in the collagen matrix of bone have a macroscopically ordered structure that has many similarities to the ordered structure of anisotropic nano-units in inorganic liquid crystals (LCs). Inspired by these similarities, we conducted the first (to our best knowledge) synthesis of HA LCs in non-polar solvents (such as cyclohexane and toluene), thus expanding the range of applicable monomers and polymers. We synthesized HA nanorods by a simple, effective, and oleic-acid-assisted hydrothermal route. The hydrothermal temperature directly modulates the aspect ratio of the HA nanorods, and indirectly modulates their LC behavior. The LC phase transition has no size limitation. Thus, our approach may be used to develop high solid content, macroscopically assembled, large-scale polymer-based bio(mimetic)-materials.Current bioactive modifications of Ti-based materials for promoting osteogenesis often decrease corrosion fatigue strength (σcf) of the resultant implants, thereby shortening their service lifespan. To solve this issue and accelerate the osteogenesis process, in the present study, a TiO2 nanorods (TNR)-arrayed coating was hydrothermally grown on optimal surface mechanical attrition treated (SMATed) titanium (S-Ti). The microstructure, bond integrity, residual stress distribution, and corrosion fatigue of TNR-coated S-Ti (TNR/S-Ti) and the response of macrophages and bone marrow-derived mesenchymal stem cells (BMSCs) to TNR/S-Ti were investigated and compared with those of mechanically polished Ti (P-Ti), S-Ti, and TNR-coated P-Ti (TNR/P-Ti). S-Ti showed a nanograined layer and an underlying grain-deformed region with residual compressive stress, which was sustained even when it was hydrothermally coated with TNR. TNR on S-Ti showed nanotopography, composition, and bond strength almost identical to those of P-Ti. While TNR/P-Ti showed a considerable decrease in σcf compared to P-Ti, TNR/S-Ti exhibited an improved σcf which was even higher than that of P-Ti. Biologically, TNR/S-Ti enhanced adhesion, differentiation, and mineralization of BMSCs, and it also promoted adhesion and M1-to-M2 transition of macrophages as compared to S-Ti and P-Ti. With rapid phenotype switch of macrophages, the level of proinflammatory cytokines decreased, while anti-inflammatory cytokines were upregulated. In co-culture conditions, the migration, differentiation, and mineralization of BMSCs were enhanced by increased level of secretion factors of macrophages on TNR/S-Ti. The modified structure accelerated bone apposition in rabbit femur and is expected to induce a favorable immune microenvironment to facilitate osseointegration earlier; it can also simultaneously improve corrosion fatigue resistance of Ti-based implants and thereby enhance their service life.Selenium is an essential trace mineral element for humans. Although previous in vitro and animal studies have reported the vital role of selenium in bone, the results of the relationship between the selenium status and bone health were inconsistent in epidemiological studies. The risk of selenium deficiency is negligible for U.S. general population, however, the relationship between selenium status and bone health has never been surveyed in a nationally representative sample. In this study, we analyzed the data of 2983 adults (aged ≥40 years) in the National Health and Nutrition Examination Survey (NHANES) 2013-2014 to investigate the association among three markers of the selenium status (measured from whole blood, serum, and dietary intake), total spine and femur bone mineral density (BMD), and FRAX scores, and history of bone fractures. We found a one-unit increase in the ln-whole-blood selenium level was correlated with an increase in the total femur BMD of 0.064 g/cm2 (S.E. = 0.025; P = 0.022) in all participants and 0.086 g/cm2 (S.E. = 0.031; P = 0.013) in menopausal women. Additionally, a one-unit increase in the ln-selenium intake amount was associated with an increase in the total femur BMD of 0.014 g/cm2 (S.E. = 0.007; P = 0.043) in all participants. Vevorisertib We also found that the dietary and whole-blood selenium statuses were negatively associated with the FRAX score, while levels of all the three selenium biomarkers were negatively associated with a history of bone fractures. In conclusion, increased selenium status is correlated with an increased total femur BMD, decreased FRAX scores, and a reduced incidence of previous bone fractures in the U.S. representative survey of adults. Further study is warranted to clarify the causal inference.
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