Impact of health science popularization videos on user perceived value and continuous usage intention: based on the C-A-C and ECM model framework.

Objective: To enhance individuals' sustained intention to use health science popularization videos, this study investigated the path relationships and influencing mechanisms of health science popularization video factors on users' perceived value, expectancy confirmation, enjoyment, satisfaction, trust, and continuous usage intention based on the cognitive-affective-conative and expectation-confirmation model theoretical framework. Methods: This study adopted a cross-sectional design and collected data using self-administered questionnaires. The hypotheses were analyzed using the smart partial least squares (Smart-PLS) structural equation modeling method with a dataset containing 503 valid responses. Subsequently, comprehensive data analysis was conducted. Results: Blogger and video quality factors present in health science popularization videos substantially influenced users' perceived value (p < 0.001). Furthermore, users' expectancy confirmation exerted a positive influence on both users' perceived value (p < 0.001) and satisfaction (p < 0.01). Perceived value, in turn, positively impacted satisfaction (p < 0.001) and pleasure (p < 0.001). User satisfaction (p < 0.001) and pleasure (p < 0.001) directly enhanced trust, which, in turn, significantly and directly impacted continuous usage intention (p < 0.001). Discussion: This study offers both theoretical and practical insights into enhancing the quality of health science popularization videos. From a theoretical perspective, it expands upon the cognitive-affective-conative and expectation-confirmation model theoretical frameworks, enriches the theoretical model, and offers theoretical references for future research in this domain. From a practical perspective, enhancing the overall quality of health science popularization content significantly influences users' perceived value, emotional engagement, and continued usage intention to engage with the content.

The impact of perceived value and affection on Chinese residents' continuous use intention of mobile health science information: An empirical study.

Introduction: Disseminating health science information via the internet has become an essential means for improving Chinese residents' health literacy, which has received constant attention from the Chinese government. Therefore, it is important to explore Chinese residents' perceived value and emotional response to mobile health science information for determining Chinese residents' satisfaction and use intention. Methods: This study applied the cognition-affect-conation model to evaluate the perceived value, arousal, pleasure, trust, satisfaction, and continuous use intention. A mobile device was used to obtain health science information from 236 Chinese residents via an online survey and the data were analyzed using partial least squares (PLS)-structural equation modeling. Results: The results showed that Chinese residents' perceived value of health science information obtained using the mobile device directly affect the degree of arousal (ß = 0.412, P < 0.001), pleasure (ß = 0.215, P < 0.01), and trust (ß = 0.339, P < 0.001). The degree of arousal (ß = 0.121, P < 0.01), pleasure (ß = 0.188, P < 0.01), and trust (ß = 0.619, P < 0.001) directly affected Chinese residents' satisfaction, which further affected their continuous use intention (ß = 0.513, P < 0.001). Similarly, trust directly affected Chinese residents' continuous use intention (ß = 0.323, P < 0.001). The degree of arousal directly affected their degree of pleasure (ß = 0.304, P < 0.001), and pleasure also imposed a direct effect on trust (ß = 0.293, P < 0.001). Discussion: The result of this study provided an academic and practical reference to improve mobile health science popularization information. Affective changes have imposed an important effect on Chinese residents' continuous use intention. High-quality, diversified and frequent use of health science information can significantly increase residents' continuous use intention, improving their health literacy as a consequence.

Safety and efficacy of CO2 dot matrix laser combined with platelet-rich plasma on depressed scar after acne vulgaris and influencing factors of its repair effect: A retrospective analysis.

BACKGROUND: Acne vulgaris (AV) is the most pervasive inflammatory disease of hair follicle and sebaceous gland in the dermatology department, and depressed scar (DS) is the most common and serious sequela of AV. AIMS: To explore the clinical value of CO2 dot matrix laser combined with platelet-rich plasma (PRP)-treated AV. METHODS: Total 81 patients with DS at the rear of AV from December 2018 to October 2019 were selected, randomly divided into observation group (OG, n = 39) and control group (CG, n = 42). Patients in the OG group were treated with CO2 dot matrix laser combined with PRP, and those in the CG group were treated with CO2 dot matrix laser. To observe clinical outcomes in both groups. RESULTS: According to experimental analysis, compared with the CG group, CO2 dot matrix laser combined with PRP can more strongly improve the clinical efficacy on patients, shorten the scar scabbing time and decrustation time, more effectively contributed to their scar repair, comfort, skin condition, psychological state and satisfaction, and reduced their pain. The subsequent follow-up results also showed that patients in the OG group experienced better quality of life. Moreover, according to the logistic regression analysis, the course of disease, scar degree, and staying up late were independent risk factors for the repair effect, and the repair method of CO2 dot matrix laser combined with PRP was an independent protection factor. CONCLUSION: To sum up, CO2 dot matrix laser combined with PRP can strongly enhance the scar repair effect, psychological state, and life quality of patients with DS after AV, so it is worth popularizing in clinical practice.

Clinical Efficacy and Safety of Pulsed Dye Laser Combined with Pingyangmycin on Hyperplastic Scar after Acne.

Background: Acne is the most common chronic inflammatory disease of hair follicles and sebaceous glands in dermatology. Hyperplastic scar (HS), a very common sequelae of acne, is also the most common scar type in clinical practice. Objective: This research analyzed the clinical effectiveness and safety of pulsed dye laser (PDL) combined with pingyangmycin (PI) in the treatment of post-acne HS. Methods: One hundred and nine patients with post-acne HS admitted in June 2020 were selected and divided into a research group (n = 52) and a control group (n = 57) according to the difference in treatment methods. The efficacy, incidence of adverse reactions, skin repair, treatment comfort, and satisfaction were compared between groups. Results: The total effective rate was higher in the research group compared with the control group. No statistical difference was observed between groups in the incidence of adverse reactions. The research group showed better scar repair, skin improvement, and granulation tissue maturity than the control group. And compared with the control group, the growth factor of the research group was lower, while the treatment comfort and satisfaction, psychological state, and prognosis quality of life were higher. The two groups showed no notable difference in the recurrence rate. Conclusions: PDL combined with PI can effectively improve the clinical efficacy, scar repair effect, overall skin status, and treatment experience of patients and boost the psychological state and prognostic quality of life of patients, which has great clinical application prospect for the treatment of HS.

Exploring youth consumer behavior in the context of mobile short video advertising using an extended stimulus-organization-response model.

Under the hit of the epidemic, an increasing number of young people exchange and purchase goods by watching and resorting to mobile short video advertisements. Therefore, it is of great significance to explore the influence mechanism of mobile short video advertising on the consumption behavior of young people. This study develops a theoretical framework including fashion, socialization, entertainment, personalization, brand, psychological needs, satisfaction, and consumption behavior using a stimulus-organism-response (SOR) theory. The data from 332 young people using mobile short video advertising revealed that psychological needs exerted significant impacts on satisfaction, mediating the advertisements, and consumer satisfaction. The attributes of advertising, including fashion, socialization, entertainment, personalization, and branding, significantly promote young people's psychological needs and satisfaction. In addition, satisfaction affects consumer behavior, and in the same manner, fashion and brand attribute directly impact consumer satisfaction.

The Efficacy and Safety of Topical Tranexamic Acid for Spinal Surgery.

BACKGROUND: Spinal surgeries are often accompanied by significant blood loss both intraoperatively and postoperatively. Excessive blood loss caused by surgery may lead to several unsatisfactory medical consequences. Tranexamic acid (TXA) is a kind of antifibrinolytic agent that has been widely used in spinal surgery. Currently, it is widely accepted that intravenous TXA (ivTXA) can clearly reduce blood loss in spinal fusion surgeries. Compared with ivTXA, topical TXA (tTXA) seems to be much easier to administer, and this advantage provides a maximum concentration of TXA at the haemorrhagic site with little to no TXA entering the circulation. OBJECTIVE: To evaluate the effect of tTXA on blood loss during and after spinal surgery via a comprehensive metaanalysis of the published data in randomized controlled trials (RCTs) and other comparative cohort studies. METHODS: A comprehensive search of PubMed, EMBASE, the Web of Science and the Cochrane Central Register of Controlled Trials was performed for RCTs and other comparative cohort studies on the effect of tTXA on blood loss during and after spinal surgery. The outcomes were total blood loss, hidden blood loss, intraoperative blood loss, total postoperative drainage volume, drainage tube duration postoperatively, drainage volume and drainage of blood content at postoperative day (POD) 1 and POD2, length of hospital stay, number of patients who received a blood transfusion, serum HB level at POD1, operative timespan, side effects and complications. The final search was performed in October, 2020. We followed the PRISMA guideline, and the registration number is INPLASY202160028. RESULTS: In total, 6 studies with 481 patients were included. tTXA treatment, compared with the control conditions, can significantly reduce the total blood loss, hidden blood loss, total postoperative drainage volume, and number of patients receiving blood transfusions; reduce the drainage volume and drainage of blood content at POD1; shorten the drainage tube duration postoperatively and length of hospital stay; and enhance the serum HB level at POD1 for spinal surgery. tTXA treatment did not significantly influence the intraoperative blood loss, drainage volume or drainage of blood content at POD2 or the operative duration. CONCLUSION: Compared with control conditions, tTXA has high efficacy in reducing blood loss and drainage volume, enables quick rehabilitation, and has a relatively high level of safety in spinal surgery.