Keystone design perforator island flap for reconstruction of vermillion defects: A case series and literature review.

Background: Many repair techniques have been recommended to treat lower lip defects. Although effective in many instances, some techniques are accompanied by complications, such as flap necrosis, dysesthesia of the lip, lip flattening, shortening, and loss of the vermillion roll. This study aimed to report the use of keystone design perforator island flap (KDPIF) in small to medium defects to achieve an effective and functional reconstruction of vermillion defects after Mohs surgery for lip cancer.

Effects of repetitive transcranial magnetic stimulation combined with cognitive training on cognitive function in patients with Alzheimer's disease: a systematic review and meta-analysis.

Purpose: To evaluate the effect of repetitive transcranial magnetic stimulation (rTMS) paired with cognitive training on cognitive function in Alzheimer's Disease (AD) patients.

Methods: PubMed, The Cochrane Library, Embase, CINAHL Complete (EBSCO), China National Knowledge Infrastructure (CNKI) and WanFang Database were searched. The risk of bias was appraised through the Cochrane collaboration tool.

Psychosocial Characteristics, Perceived Neighborhood Environment, and Physical Activity Among Chinese Adolescents.

This study examined the independent associations between psychosocial factors, perceived neighborhood characteristics, and physical activity (PA) in Chinese adolescents. A cross-sectional study using a convenience sample was conducted in fall 2019 at a high school in Wuhan, China. Sociodemographic data, body weight, height, psychosocial factors, perceptions of neighborhood environment, and PA were collected using questionnaires.