 
         
         
        
    Abstract: Objective To investigate the efficacy of poly (L-lactic acid) application in the rejuvenation of hands, and to analyze the safety of its application. Methods two subjects with aging problems of the hands were given subcutaneous injections of poly-L-lactic acid for hand filling improvement treatment, a detailed protocol of improving treatment was developed and treated, the status of hand improvement in subjects was followed up after treatment, and standardized hand photographs were taken as a contrast basis. Results after 2 month of young onset hand repair surgery on the two propositi, the veins and prominence of the bones of the hand improved significantly in the two propositi, the darker skin complexion state improved, and the collagen content of the hand improved, with gradual fullness of the fingers in subject 1. Three months after the young onset repair surgery, the skin quality of the hand improved significantly more finely in subject 2, and the darker skin complexion problem had largely disappeared, with the bones remaining intact in the two propositi, The venous prominence problems had largely disappeared, the collagen content of the hands had improved significantly, the finger morphology of patient 1 and the problems of dark finger joints had all improved significantly, and none of the 2 subjects had related complications, and the 2 subjects had high satisfaction with the young treatment of polylactic acid hand. Conclusions the use of poly-L-lactic acid in revision treatment of hand rejuvenation has shown remarkable results and a good safety profile. Keywords: Poly-L-Lactic Acid; Younger Age of Hands; Dermal Filling; Safety Preface; Löviselle




 
                大阴唇是女性外阴具有重要生理作用的门户结构,具有保持阴道口湿润、维持阴道自洁、防止外来污染的作用[1]。部分女性存在一定程度的先天大阴唇发育不良,外形萎缩褶皱的情况,影响生活质量。
 
                
 
                在既往研究中,乳酸常被认为是糖酵解代谢废物,尤其被认为是肌肉疲劳的罪魁祸首。然而,越来越多的研究表明,乳酸不只在临床医学上,在运动领域中也承担着重要角色。本文就乳酸的产生、堆积、清除、乳酸阈值和训练方法以及乳酸的其他功能等相关积极作用进行阐述,以期助力临床医生或运动医学从业者深入了解当代乳酸的生理价值。