‘四位一体’方案，让老烂腿愈合更快(上篇）

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18 10月 2019

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Author : 伤口世界

原创：胡海涛负压引流与创面修复

77岁的老烂腿，如果想在短时间内治愈，几乎是不可能的事情！

它涉及四个重要问题：

1.让水肿、感染的伤口变得清洁；

2.缺损皮肤修复；

3.下肢静脉曲张手术治疗；

4.小腿色素沉着、肿胀，需要压力治疗。

如何同时解决以上四个问题，才是它快速愈合的基础！

经过10年经验总结，制定个体化治疗方案：负压引流+植皮+微创处理曲张血管，预计时间2-3周，分阶段处理；

第一阶段：予小腿溃疡使用改良封闭式负压引流，待创面感染控制、肉芽红润后进入二阶段

第二阶段：给予下肢静脉曲张高位结扎+局部硬化剂注射+点状植皮术

然后负压引流：

再弹力绷带加压包扎治疗：

第三阶段：植皮成活后，患者出院前：

小腿颜色明显变浅，皮片成活并开始爬行，患者回当地，自己换药处理。

‘四位一体’治疗静脉曲张型老烂腿方案总结：

第一位：早期负压引流处理；
第二位：微创处理血管；
第三位：点状植皮+封闭式负压引流
第四位：压力治疗

一体：整体治疗，同时推进症状和病因处理，创伤小、时间短、费用低、疗效确切。

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伤口世界

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异体表皮干细胞对裸鼠全层皮肤缺损创面移植异体全厚皮成活的影响及其机制 2024-11-22 00:00

黄韶斌 1 胡志成 1 张逸 2 唐冰 1 王鹏 1 徐海琳 1 王志勇 1 董云先 1 程璞 1 荣燕超 1 吴军 3 朱家源 1

1 中山大学附属第一医院烧伤科，广州 510080；

2 南通大学附属医院烧伤整形外科 226001；3 深圳大学第一附属医院烧伤整形科 518037 通信作者：朱家源，Email：该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。
Novel Cosmetic Ingredient CS-AA Polyion Complex and Skin Moisturizing Effect 2024-11-20 00:00

Hyungjoon Jeon Yong Won Shin Jong Gu Won Nojin Park Sang-Wook Park Nam Seo Son Mi-Sun Kim

LG Household & Health Care (LG H&H), LG Science Park R&D Center, Seoul, Republic of Korea

Correspondence: Hyungjoon Jeon (该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。) Mi-Sun Kim (该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。)

Received: 29 January 2024

Revised: 21 June 2024

Accepted: 19 July 2024

Keywords: arginine | chondroitin sulfate | glutamine | skin hydration | TEWL | water-holding capacity

ABSTRACT

Purpose: The study explored the enhanced skin moisturizing capabilities and moisture retention effects achieved by forming a polyion complex using sulfated glycosaminoglycan (GAG), specifically chondroitin sulfate (CS), and amino acids (AA) such as glutamine (Q) and arginine (R). The overall hydration effect of this CS-AA complex was examined.

Methods: After analyzing the CS-AA polyion complex structure using spectroscopic methods, the ex vivo moisture retention ability was assessed under dry conditions using porcine skin samples. Additionally, the efficacy of the CS-AA polyion complex in reducing transepidermal water loss (TEWL) and improving skin hydration was evaluated on human subjects using a digital evaporimeter and a corneometer, respectively.

Results: Validating a systematic reduction in particle size, the following order was observed: CS > CS/AA simple mixture > CSAA complex based on dynamic light scattering (DLS) and transmission electron microscopy (TEM) analysis. Furthermore, observations revealed that the CS-AA complex exhibits negligible surface charge. Additionally, Fourier-transform infrared spectroscopy (FT-IR) analysis demonstrated a distinct peak shift in the complex, confirming the successful formation of the CS-AA complex. Subsequently, the water-holding effect through porcine skin was assessed, revealing a notable improvement in moisture retention (weight loss) for the CS-Q complex: 40.6% (1 h), 20.5% (2 h), and 18.7% (4 h) compared to glycerin. Similarly, the CS-R complex demonstrated enhancements of 50.2% (1 h), 37.5% (2 h), and 33% (4 h) compared to glycerin. Furthermore, TEWL improvement efficacy on human skin demonstrated approximately 25% improvement for both the CS-Q complex and CS-R complex, surpassing the modest 12.5% and 18% improvements witnessed with water and glycerin applications, respectively. Finally, employing a corneometer, hydration changes in the skin were monitored over 4 weeks. Although CS alone exhibited nominal alterations, the CS-Q complex and CS-R complex showed a significant increase in moisture levels after 4 weeks of application.

Conclusion: In this study, polyion complexes were successfully formed between CS, a sulfated GAG, and AA. Comparisons with glycerin, a well-known moisturizing agent, confirmed that the CS-AA complex exhibits superior moisturizing effects in various aspects. These findings suggest that the CS-AA complex is a more effective ingredient than CS or AA alone in terms of efficacy.
Comprehensive evaluation of the efficacy and safety of a new multi-component anti-aging topical eye cream 2024-11-19 00:00

Fan Yang1 Xinyuan Zhang2 Hua Wang1 Miao Guo1 Jinlong Zhang1 Xuejiao Feng3 Jiayi Yu3 Jiahui Yang3 Jinjin Zhu4 Yiyu Wang3

1 Research & Development Center, Mageline Biology Tech Co., Ltd, Wuhan, Hubei, China

2 Shanghai Skinshield Clinical Testing and Technological Research Ltd., Shanghai, China

3 Department of Dermatology, Air Force Medical Center, PLA, Beijing, China

4 Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, China

Correspondence

Jinjin Zhu, Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, 430022, China.

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Yiyu Wang, Department of Dermatology, Air Force Medical Center, PLA, Beijing, China.

Email: 该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。

Abstract

Background: The delicate periorbital region is susceptible to skin dehydration, wrinkles, and loss of elasticity. Thus, targeted and effective anti-aging interventions are necessary for the periorbital area.

Aim: To evaluate the efficacy and safety of a new anti-aging eye cream formulated with the active complex (Yeast/rice fermentation filtrate, N-acetylneuraminic acid, palmityl tripeptide-1, and palmitoyl tetrapeptide-7).

Methods: The cell viability and expressions of key extracellular matrix (ECM) components of the active complex were evaluated using a human skin fibroblast model. In the 12-week clinical trial, skin hydration, elasticity, facial photographs, and collagen density following eye cream application were assessed using Corneometer, Cutometer, VISIA, and ultrasound device, respectively. Dermatologists and participants evaluated clinical efficacy and safety at baseline, and after 4, 8, and 12 weeks.

Results: PCR and immunofluorescent analyses revealed that the active complex significantly stimulated fibroblast proliferation (p < 0.05) and markedly promote the synthesis of collagen and elastin. Clinical findings exhibited a substantial enhancement in skin hydration (28.12%), elasticity (18.81%), and collagen production (54.99%) following 12 weeks of eye cream application. Dermatological evaluations and participants’ assessments reported a significant improvement in skin moisture, roughness, elasticity, as well as fine lines and wrinkles by week 8.

Conclusion: The new anti-aging eye cream, enriched with the active complex, demonstrates comprehensive rejuvenating effects, effectively addressing aging concerns in the periorbital area, coupled with a high safety profile.

KEYWORDS anti-aging, collagen, elastin, extracellular matrix, eye cream, wrinkle

This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

© 2024 The Author(s). Skin Research and Technology published by John Wiley & Sons Ltd.

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