王洪财

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28 8月 2019

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Author : 伤口世界

擅长断肢（指、趾、鼻、耳、阴茎）再植和再造手术、各种组织修复和皮瓣移植、严重复杂性创伤伴多发骨折、血管神经损伤的急救与早期处理和二期功能重建、先天性畸形及烧伤瘢痕挛缩畸形矫正、美容整形等

曾任河北省秦皇岛市手足显微外科中心主任、市手外科学会常委、骨科学会委员和市医疗事故鉴定专家组成员。发表论文10余篇，获河北省秦皇岛市优秀成果二等奖、科技进步二等奖及科技成果奖多项。

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Effectiveness of Hypochlorous Acid to Reduce the Biofilms on Titanium Alloy Surfaces in Vitro 2026-10-13 00:00

Chun-Ju Chen ¹, Chun-Cheng Chen ^2,3,^* and Shinn-Jyh Ding ^1,2,3,*

¹Institute of Oral Science, Chung Shan Medical University, Taichung City 402, Taiwan; 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。

²School of Dentistry, Chung Shan Medical University, Taichung City 402, Taiwan

³Department of Dentistry, Chung Shan Medical University Hospital, Taichung City 402, Taiwan

^*Correspondence: 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。 (C.-C.C.); 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。 (S.-J.D.);

Tel.: +886-6-2471-8668 (ext. 55255) (C.-C.C.); +886-6-2471-8668 (ext. 55529) (S.-J.D.)

Academic Editor: Ihtesham ur Rehman

Received: 13 April 2016; Accepted: 15 July 2016; Published: 19 July 2016

Abstract: Chemotherapeutic agents have been used as an adjunct to mechanical debridement for peri-implantitis treatment. The present in vitro study evaluated and compared the effectiveness of hypochlorous acid (HOCl), sodium hypochlorite (NaOCl), and chlorhexidine (CHX) at eliminating Gram-negative (E. coli and P. gingivalis) and Gram-positive (E. faecalis and S. sanguinis) bacteria. The effect of irrigating volume and exposure time on the antimicrobial efficacy of HOCl was evaluated, and a durability analysis was completed. Live/dead staining, morphology observation, alamarBlue assay, and lipopolysaccharide (LPS) detection were examined on grit-blasted and biofilm-contaminated titanium alloy discs after treatment with the three chemotherapeutic agents. The results indicated that HOCl exhibited better antibacterial efficacy with increasing irrigating volumes. HOCl achieved greater antibacterial efficacy as treatment time was increased. A decrease in antimicrobial effectiveness was observed when HOCl was unsealed and left in contact with the air. All the irrigants showed antibacterial activity and killed the majority of bacteria on the titanium alloy surfaces of biofilm-contaminated implants. Moreover, HOCl significantly lowered the LPS concentration of P. gingivalis when compared with NaOCl and CHX. Thus, a HOCl antiseptic may be effective for cleaning biofilm-contaminated implant surfaces.

Keywords: dental implant; hypochlorite acid; antiseptics; antimicrobial activity
Topical hypochlorite ameliorates NF-κB–mediated skin diseases in mice 2026-10-12 00:00

Thomas H. Leung,^1,2 Lillian F. Zhang,¹ Jing Wang,¹ Shoucheng Ning,³Susan J. Knox,³ and Seung K. Kim^1,4,5

¹Department of Developmental Biology, 2Department of Dermatology, 3Department of Radiation Oncology, 4Howard Hughes Medical Institute, and 5Department of Medicine, Oncology Division, Stanford University School of Medicine, Stanford, California, USA.

Nuclear factor-κB (NF-κB) regulates cellular responses to inflammation and aging, and alterations in NF-κB signaling underlie the pathogenesis of multiple human diseases. Effective clinical therapeutics targeting this pathway remain unavailable. In primary human keratinocytes, we found that hypochlorite (HOCl) reversibly inhibited the expression of CCL2 and SOD2, two NF-κB–dependent genes. In cultured cells, HOCl inhibited the activity of inhibitor of NF-κB kinase (IKK), a key regulator of NF-κB activation, by oxidizing cysteine residues Cys114 and Cys115. In NF-κB reporter mice, topical HOCl reduced LPS-induced NF-κB signaling in skin. We further evaluated topical HOCl use in two mouse models of NF-κB–driven epidermal disease. For mice with acute radiation dermatitis, topical HOCl inhibited the expression of NF-κB–dependent genes, decreased disease severity, and prevented skin ulceration. In aged mice, topical HOCl attenuated age-dependent production of p16INK4a and expression of the DNA repair gene Rad50. Additionally, skin of aged HOCl-treated mice acquired enhanced epidermal thickness and proliferation, comparable to skin in juvenile animals. These data suggest that topical HOCl reduces NF-κB–mediated epidermal pathology in radiation dermatitis and skin aging through IKK modulation and motivate the exploration of HOCl use for clinical aims.
Biofilm in Diabetic Foot Ulcers: A Systematic Narrative Review 2026-10-10 00:00

George Theodorakopoulos^1,2,3,4,5,6 | David G. Armstrong^7,8,9

¹Wound and Foot Specialist, Athens, Greece | ²Technological Educational Institute of Patras, Patras, Greece | ³Queen Margaret University, Edinburgh, UK | ⁴University of West Attica, Aigaleo, Greece |⁵University of Thessaly, Larisa, Greece | ⁶National and Kapodistrian University of Athens, Athens, Greece | ⁷Southwestern Academic Limb Salvage Alliance (SALSA), Los Angeles, California, USA | ⁸Center to Stream Healthcare in Place (C2SHiP), Alexandria, Virginia, USA | ⁹Keck School of Medicine, University of Southern California, Los Angeles, California, USA

Correspondence: George Theodorakopoulos (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: 27 June 2025 | Revised: 29 October 2025 | Accepted: 6 November 2025

ABSTRACT

Biofilms are a key driver of chronicity and treatment failure in diabetic foot ulcers (DFUs), yet clinical evidence quantifying their impact and management remains fragmented. This systematic narrative review synthesised recent evidence (2015–2025) on the prevalence, diagnostics, and management of biofilm in DFUs. A Systematic Review of the Literature (SRL) was conducted following PRISMA 2020 guidelines across PubMed/MEDLINE, Scopus, Cochrane Library and ScienceDirect. Eligible studies included adults with DFUs reporting biofilm/bioburden metrics or interventions aimed at biofilm disruption. Risk of bias was assessed using RoB 2 for randomised trials and ROBINS-I for non-randomised studies. Data were narratively synthesised by evidence tier (Tier 1=clinical; Tier 2=preclinical/mechanistic). Of 600 records screened, 25 studies met inclusion criteria (Tier 1 n=9; Tier 2 n=5; reviews n=11). Over half of bacterial isolates in DFUs were biofilm producers, with multidrug resistance exceeding 90% in several cohorts. Fungi were detected in 31% of ulcers by qPCR but only 9% by culture. Tier 1 clinical evidence supports standard care components—debridement, antiseptics, and negative-pressure wound therapy—for improved healing, though direct anti-biofilm outcomes remain limited. Emerging strategies (enzymatic agents, peptides, cold plasma, smart dressings) show promise in vitro but lack clinical translation. Evidence for direct antibiofilm efficacy in DFUs remains scarce. Current data justify maintaining guideline-based care while prioritising trials that integrate validated biofilm endpoints, standardised microbiological methods, and antifungal components. Distinguishing established from experimental approaches is essential to advancing safe, evidence-based biofilm management in DFUs.

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主任医师、教授、博导，南方医科大学第三附属医院（广东省骨科医院）院长

王洪财

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主任医师、教授、博导，南方医科大学第三附属医院（广东省骨科医院）院长

王洪财

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