Exploring Chinese College Students' HPV Awareness, Knowledge, Attitudes, and Intent of HPV Vaccination: a Qualitative Study.

Human papillomavirus (HPV) infection is the world's most prevalent sexually transmitted infection and causes cancers. In China, about 47,739 deaths occur annually from HPV-related cervical cancer, and this number continues to increase. HPV vaccines have shown promising results in preventing HPV-associated cancers; however, the vaccination rate in Chinese college students remains extremely low. This qualitative research explored Chinese college students' HPV-related awareness, knowledge, attitudes and beliefs, and their vaccination intention as well as the strategies promoting vaccination in China. We conducted four focus groups with 18 male and 20 female students; prompts were developed based on the health belief model (HBM). Discussions were audiotaped, transcribed, and translated from Chinese to English by three bilingual researchers. Content analysis of the data revealed eight themes addressing HBM. Participants demonstrated high awareness (71% had heard of HPV) with limited knowledge. They perceived very low risks of being infected but expressed high vaccination intention if the cost was covered by the government. Participants identified reasons that facilitate and prevent vaccination and proposed culturally and developmentally congruent strategies to promote vaccination in China. It is essential to address facilitators and barriers at individual, societal, political, and cultural levels to promote HPV vaccination in Chinese college students.

[Research on traumatic brain real-time monitoring by near-infrared technology].

In order to monitoring the development of traumatic brain edema in vivo, a specifically designed optical parameters of tissue testing system with a mini-invasion bifurcated optical fiber probe and a fiber spectrometer was used to monitor the reduced scattering coefficient (mu's) of t he rat traumatic brain while the counterpart parameter, i. e. brain water content (BWC), was also measured. Acute rat regional brain trauma was applied according to Feeney's apparatus. The changes of brain edema were monitored by near-infrared spectroscopy (NIRS) technology and by measuring the water content of the brain. Experiment result showed that distinct brain edema in injured areas was found at 6 hours later after trauma, which reached a summit of severity at 24-72 hours later after trauma, then gradually declined. After using the dehydrant, the brain edema situation became better, and then, the edema occurred again whilet he medicamentosus effect of dehydrant was gradually lost. It can be showed that mu's had similar change profile with BWC and the two parameters were well linearly relative to each other. mu's is a good indicator for monitoring traumatic brain edema and t he medicamentosus effect of dehydrant. As a result near-infrared spectroscopy is a new feasible method of monitoring the development of traumatic brain edema in vivo.