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17건 · 최신순-
Septorhinoplasty Using Septal L-Strut Extension Graft: A Long-Term Multidimensional Analysis.
[BACKGROUND] Nasal dorsal augmentation using an alloplastic implant and tip projection using a septal cartilage are generally used in Asian rhinoplasty. Excessive submucosal resection weakens septal support, causing problems due to a heavy …
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Functional evaluation of Septal L-strut extension graft in East Asians.
[BACKGROUND] The septal L-strut extension graft (SLEG) consists of anterior extended spreader graft and caudal septal extension graft. SLEG is used to increase the anterocaudal projection from a low-profile nose by creating the de-novo sept…
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Deep vein thrombosis in donor or recipient veins encountered during lower extremity reconstruction with a free anterolateral thigh perforator flap: How do we deal with it?
[BACKGROUND] The free anterolateral thigh perforator (ALTP) flap has been successfully adopted to reconstruct traumatic soft tissue defects in the lower extremities. However, the occurrence of deep vein thrombosis (DVT) in donor or recipien…
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Outcome of multi-staged induced membrane technique based on post-debridement cultures for the management of critical-sized bone defect following fracture-related infection.
The authors' institution utilizes multi-staged induced membrane technique protocol based on post-debridement culture in treating patients with critical-sized bone defect in lower extremity due to infected nonunion or post-traumatic osteomye…
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Prevention of Breast Implant Displacement Using the Acellular Dermal Matrix Garter Belt.
[BACKGROUND] Since the issue of breast implant-associated anaplastic large cell lymphoma, smooth breast implants tend to be the more preferred option in implant-based breast reconstructions, compared to its use previously. The most unfavora…
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Long-Term Resorption Rate of Autogenous Onlay Graft in East Asian Rhinoplasty: A Retrospective Study.
[BACKGROUND] Autologous material remains the preferred graft material for use in rhinoplasty. However, resorption rates of autografts remain controversial. In addition, long-term follow-up studies on autografts are rare. Thus, the objective…
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Folded Cymba Concha: Is It Large and Stable Enough for Caudal Septal Extension Graft in Asian Rhinoplasty?
[BACKGROUND] Septal extension grafting (SEG) is used for nasal tip projection and positioning. Often, insufficient quadrangular cartilage is available for grafting in Asians, and in most secondary cases the septum is already harvested. We u…
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Assessment of Long-term Outcomes of Soft-Tissue Augmentation by Injecting Fibroblasts Suspended in Hyaluronic Acid Filler.
[IMPORTANCE] In previous studies, this group has reported that cultured human fibroblasts suspended in hyaluronic acid (HA) filler might have potential use as a long-lasting injectable soft-tissue filler. However, the data were insufficient…
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Septorhinoplasty for Destructed Septal L-Strut in Patients with Previously Applied Porous High-Density Polyethylene Implants (Medpor).
[BACKGROUND] Porous high-density polyethylene implants (Medpor) have been extensively used for septal extension grafts in Asian rhinoplasty. However, studies on the long-term complications associated with Medpor have not been reported. Ther…
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Paranasal Augmentation Using Multi-Folded Expanded Polytetrafluorethylene (ePTFE) in the East Asian Nose.
[BACKGROUND] Paranasal augmentation has commonly been performed utilizing alloplastic materials such as silicone or porous polyethylene. However, there are problems such as bone absorption, implant migration, and infection risk attributable…
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Clinical Analysis of Nasal Bone Fracture in Patients Who Have Previously Undergone Dorsal Augmentation Using Silicone Implants: A Pilot Study.
[BACKGROUND] There are no studies about the treatment of nasal bone fractures in patients with dorsal augmentations using silicone implants. We aimed to describe the characteristics of nasal bone fracture in patients who underwent rhinoplas…
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Facile strategy involving low-temperature chemical cross-linking to enhance the physical and biological properties of hyaluronic acid hydrogel.
Here, we present a novel strategy to fabricate hyaluronic acid (HA) hydrogels with excellent physical and biological properties. The cross-linking of HA hydrogel by butanediol diglycidyle ether (BDDE) was characterized under different react…
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Endoscopic botulinum toxin injection for treatment of pharyngeal dysphagia in patients with cricopharyngeal dysfunction.
[BACKGROUND] Dysphagia associated with neurologic disorders is a problem worldwide. However, few studies have assessed the efficacy of endoscopic botulinum toxin injections into the cricopharyngeal muscle using a pharyngoscope. [METHODS] F…
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Long-lasting and bioactive hyaluronic acid-hydroxyapatite composite hydrogels for injectable dermal fillers: Physical properties and in vivo durability.
Hyaluronic acid (HAc)-hydroxyapatite (HAp) composite hydrogels were developed to improve the biostability and bioactivity of HAc for dermal filler applications. Two kinds of HAc-HAp composite fillers were generated: HAcmicroHAp and HAc-nano…
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Optimal Viscosity and Particle Shape of Hyaluronic Acid Filler as a Scaffold for Human Fibroblasts.
The authors previously reported that cultured human fibroblasts suspended in a hyaluronic acid filler can produce human dermal matrices with extended in vivo stability in animal and clinical studies. The present study was undertaken to dete…
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Comparison of the Matrix Synthesizing Abilities of Human Adipose-Derived Stromal Vascular Fraction Cells and Fibroblasts.
For facial soft tissue augmentation or wound coverage using tissue-engineering technology, cultured fibroblasts have been most commonly used as key cells and their properties have been extensively studied. Clinical strategies based on human…
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What tissue is formed after graft of adipose-derived stromal vascular fraction cells?
Cultured human fibroblasts have been used for soft-tissue augmentation in the face. However, if cultured cells are to be used clinically, the approval of the Food and Drug Administration and time-consuming culturing procedures are required.…