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BACKGROUND Autologous fat transplantation has frequently been used by many surgeons for facial recontouring in esthetic patients, with good long-term results. However, this technique has not been used primarily in treating patients with hemifacial atrophy, and its efficacy and long-term outcome remain unknown. METHODS In a 7-year period, 31 patients with(More)
BACKGROUND An up-to-date, simple, but useful technique to evaluate the viability of fat grafts prior to transplant is lacking. The purpose of this study is to introduce the glucose transport test - a new method to evaluate the viability of fat grafts after they are subjected to different centrifugal forces in vitro. METHOD Fat grafts were harvested from(More)
Precise home location detection has been actively studied in the past few years. It is indispensable in the researching fields such as personalized marketing and disease propagation. Since the last few decades, the rapid growth of geotagged multimedia database from online social networks provides a valuable opportunity to predict people's home location from(More)
BACKGROUND The currently recommended strategies for short nose elongation were designed primarily for the Caucasian nasal framework. For Oriental patients, more elongation often is required because a hypoplastic septal cartilage requires more elongation, resulting in a higher risk of complications. This report proposes a modified technique for Oriental nose(More)
Semantic place labeling has been actively studied in the past few years due to its importance in understanding human mobility and lifestyle patterns. In the last decade, the rapid growth of geotagged multimedia data from online social networks provides a valuable opportunity to predict people's POI locations from temporal , spatial and visual cues. Among(More)
BACKGROUND It is important to protect fat viability during grafting. This study aimed to clarify whether physical or chemical factors damage fat viability. METHODS Fat was harvested under high and low tumescence pressure, using syringes and a liposuction machine; this fat was injected through different gauge needles and cultured with lidocaine or(More)
BACKGROUND Flap pre-fabrication is dependent on the eventual re-vascularisation of the implanted vascular carrier and the presence of a desirable, donor-skin site. However, insufficient neo-vascularisation and subsequent necrosis is an obstacle for this technique. A recent discovery demonstrated that endothelial progenitor cells (EPCs) augment post-natal(More)
OBJECTIVE To evaluate an improved treatment of an autologous fat injection for hemifacial atrophy to increase the survival rate of the fat graft and decrease complications including colliquation, necrosis, and absorption of the graft fat. METHODS From March 1999 to October 2004, 31 patients with hemifacial atrophy underwent an improved treatment by an(More)
OBJECTIVE To evaluate the effect of University of Wisconsin (UW) solution on composite facial flaps in dogs to offer a preservation time limit for clinical application. METHODS The experiment included 2 parts. In part 1, 32 half facial flaps were cold stored for 12, 24, 36, and 48 hours in UW solution (experimental group) or normal saline (control group).(More)