Investigation of braided stents in curved vessels in terms of "Dogbone" deformation.

"Dogbone" deformation that the diameters of two ends are larger than the middle diameter of the stent under the effect of the balloon expanding, is one of the important standards to evaluate the mechanical properties of vascular stents. It is a huge challenge to simulate and evaluate the "Dogbone" behaviors of braided stents in the curved vessels. In this study, the key work was to investigate the "Dogbone" deformations of braided stents in the curved vessels by designing main parameters including strut diameter, braiding angle, and the circumferential number of unit cell.

[Outcomes in randomized controlled trials of acupuncture for vascular cognitive impairment during recent five years].

The existing problems in the outcomes of randomized controlled trials (RCTs) of acupuncture for vascular cognitive impairment (VCI) during recent five years are analyzed and suggestions are proposed. The RCTs of acupuncture for VCI were selected in PubMed, EMbase, Cochrane Library, Clinical Trials, CNKI database, Wanfang database, VIP database, SinoMed database and Chinese Clinical Trial Registry (ChiCTR) from January 1, 2015 to September 14, 2020. The outcomes were extracted and analyzed.

[Overview of systematic reviews of acupuncture for vascular cognitive impairment].

Objective: To overview the methodological quality, report quality and evidence quality of the systematic review (SR) of acupuncture for vascular cognitive impairment ( VCI ).

Methods: The SRs regarding acupuncture for VCI were searched in PubMed, Cochrane Library, EMbase, CNKI, SinoMed, Wanfang and VIP databases. The retrieval period was from the establishment of the database to September 24, 2020.

in the Treatment for Patients with VCI: A Systematic Review and Meta-Analysis.

Background: extract (EGb) is widely used to treat impairments in memory, cognition, activities of daily living, inflammation, edema, stroke, Alzheimer's dementia, and aging.

Aim: We aimed to evaluate the safety and efficacy of EGb in treating vascular cognitive impairment (VCI).

Methods: The systematic review was performed using the latest guidelines.

Design and Mechanical Properties Verification of Gradient Voronoi Scaffold for Bone Tissue Engineering.

In order to obtain scaffold that can meet the therapeutic effect, researchers have carried out research on irregular porous structures. However, there are deficiencies in the design method of accurately controlling the apparent elastic modulus of the structure at present. Natural bone has a gradient porous structure.

Dynamic evaluation and spatiotemporal evolution of China's industrial water use efficiency considering undesirable output.

Water is a strategic and basic resource for industrial development. The efficient use of water resources is of great significance for the sustainable development of the economy and society. Dynamic SBM model could overcome the shortcomings of static models and reflect inter-temporal efficiency levels.