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Tai TY, Lin KJ, Chang HY, Wu YC, Huang CU, Lin XY, Tsai FC, Tsai CS, Chen YH, Wang FY, Chang SC. Early identification of delayed wound healing in complex diabetic foot ulcers treated with a dermal regeneration template: a novel clinical target and its risk factors. Int J Surg 2024; 110:943-955. [PMID: 38085826 PMCID: PMC10871583 DOI: 10.1097/js9.0000000000000898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 11/02/2023] [Indexed: 02/17/2024]
Abstract
BACKGROUND The dermal regeneration template (DRT), a tissue-engineered skin substitute composing a permanent dermal matrix and an upper temporary silicone layer that serves as the epidermis, has demonstrated efficacy in treating uncomplicated diabetic foot ulcers (DFUs). Our institution has obtained good outcomes with DRT in patients with more complicated DFUs. Because of its chronicity, the authors are working to identify a clinical target that anticipates delayed healing early in the treatment in addition to determining the risk factors linked to this endpoint to increase prevention. MATERIALS AND METHODS This retrospective single-center study analyzed patients with DFUs who underwent wound reconstruction using DRT between 2016 and 2021. The patients were categorized into poor or good graft-take groups based on their DRT status on the 21st day after the application. Their relationship with complete healing (CH) rate at day 180 was analyzed. Variables were collected for risk factors for poor graft take at day 21. Independent risk factors were identified after multivariable analysis. The causes of poor graft take were also reported. RESULTS This study examined 80 patients (38 and 42 patients in the poor and good graft-take groups, respectively). On day 180, the CH rate was 86.3% overall, but the poor graft-take group had a significantly lower CH rate (76.3 vs. 95.2%, P =0.021) than the good graft-take group. Our analysis identified four independent risk factors: transcutaneous oxygen pressure less than 30 mmHg (odds ratio, 154.14), off-loading device usage (0.03), diabetic neuropathy (6.51), and toe wound (0.20). The most frequent cause of poor graft take was infection (44.7%), followed by vascular compromise (21.1%) and hematoma (15.8%). CONCLUSION Our study introduces the novel concept of poor graft take at day 21 associated with delayed wound healing. Four independent risk factors were identified, which allows physicians to arrange interventions to mitigate their effects or select patients more precisely. DRT represents a viable alternative to address DFUs, even in complicated wounds. A subsequent split-thickness skin graft is not always necessary to achieve CH.
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Affiliation(s)
- Ting-Yu Tai
- Division of Cardiovascular Surgery, Heart Center, Cheng Hsin General Hospital
| | - Kuan-Jie Lin
- Division of Cardiovascular Surgery, Department of Surgery, Shuang-Ho Hospital
- Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University
| | - Hao-Yun Chang
- Department of Medical Education, Division of General Medicine, Far Eastern Memorial Hospital
| | - Yi-Chun Wu
- Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University
- Division of Plastic Surgery, Integrated Burn and Wound Care Center, Department of Surgery, Shuang-Ho Hospital
- Department of Biomedical Engineering, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Ching-Uen Huang
- Division of Plastic Surgery, Integrated Burn and Wound Care Center, Department of Surgery, Shuang-Ho Hospital
| | - Xin-Yi Lin
- Division of Plastic Surgery, Integrated Burn and Wound Care Center, Department of Surgery, Shuang-Ho Hospital
| | - Feng-Chou Tsai
- Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University
- Division of Plastic Surgery, Integrated Burn and Wound Care Center, Department of Surgery, Shuang-Ho Hospital
| | - Ching-Sung Tsai
- Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University
- Division of Plastic Surgery, Integrated Burn and Wound Care Center, Department of Surgery, Shuang-Ho Hospital
| | - Yu-Han Chen
- Division of Plastic Surgery, Integrated Burn and Wound Care Center, Department of Surgery, Shuang-Ho Hospital
| | | | - Shun-Cheng Chang
- Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University
- Division of Plastic Surgery, Integrated Burn and Wound Care Center, Department of Surgery, Shuang-Ho Hospital
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Darenskaya M, Kolesnikov S, Semenova N, Kolesnikova L. Diabetic Nephropathy: Significance of Determining Oxidative Stress and Opportunities for Antioxidant Therapies. Int J Mol Sci 2023; 24:12378. [PMID: 37569752 PMCID: PMC10419189 DOI: 10.3390/ijms241512378] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 07/31/2023] [Accepted: 08/01/2023] [Indexed: 08/13/2023] Open
Abstract
Diabetes mellitus (DM) belongs to the category of socially significant diseases with epidemic rates of increases in prevalence. Diabetic nephropathy (DN) is a specific kind of kidney damage that occurs in 40% of patients with DM and is considered a serious complication of DM. Most modern methods for treatments aimed at slowing down the progression of DN have side effects and do not produce unambiguous positive results in the long term. This fact has encouraged researchers to search for additional or alternative treatment methods. Hyperglycemia has a negative effect on renal structures due to a number of factors, including the activation of the polyol and hexosamine glucose metabolism pathways, the activation of the renin-angiotensin-aldosterone and sympathetic nervous systems, the accumulation of advanced glycation end products and increases in the insulin resistance and endothelial dysfunction of tissues. The above mechanisms cause the development of oxidative stress (OS) reactions and mitochondrial dysfunction, which in turn contribute to the development and progression of DN. Modern antioxidant therapies for DN involve various phytochemicals (food antioxidants, resveratrol, curcumin, alpha-lipoic acid preparations, etc.), which are widely used not only for the treatment of diabetes but also other systemic diseases. It has also been suggested that therapeutic approaches that target the source of reactive oxygen species in DN may have certain advantages in terms of nephroprotection from OS. This review describes the significance of studies on OS biomarkers in the pathogenesis of DN and analyzes various approaches to reducing the intensity of OS in the prevention and treatment of DN.
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Affiliation(s)
- Marina Darenskaya
- Department of Personalized and Preventive Medicine, Scientific Centre for Family Health and Human Reproduction Problems, 664003 Irkutsk, Russia; (S.K.); (N.S.); (L.K.)
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Lin Q, Li K, Chen Y, Xie J, Wu C, Cui C, Deng B. Oxidative Stress in Diabetic Peripheral Neuropathy: Pathway and Mechanism-Based Treatment. Mol Neurobiol 2023:10.1007/s12035-023-03342-7. [PMID: 37115404 DOI: 10.1007/s12035-023-03342-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 04/04/2023] [Indexed: 04/29/2023]
Abstract
Diabetic peripheral neuropathy (DPN) is a major complication of diabetes mellitus with a high incidence. Oxidative stress, which is a crucial pathophysiological pathway of DPN, has attracted much attention. The distortion in the redox balance due to the overproduction of reactive oxygen species (ROS) and the deregulation of antioxidant defense systems promotes oxidative damage in DPN. Therefore, we have focused on the role of oxidative stress in the pathogenesis of DPN and elucidated its interaction with other physiological pathways, such as the glycolytic pathway, polyol pathway, advanced glycosylation end products, protein kinase C pathway, inflammation, and non-coding RNAs. These interactions provide novel therapeutic options targeting oxidative stress for DPN. Furthermore, our review addresses the latest therapeutic strategies targeting oxidative stress for the rehabilitation of DPN. Antioxidant supplements and exercise have been proposed as fundamental therapeutic strategies for diabetic patients through ROS-mediated mechanisms. In addition, several novel drug delivery systems can improve the bioavailability of antioxidants and the efficacy of DPN.
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Affiliation(s)
- Qingxia Lin
- Department of Psychiatry, First Affiliated Hospital of Wenzhou Medical University, Wenzhou Medical University, Wenzhou, People's Republic of China
| | - Kezheng Li
- Department of Neurology, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, People's Republic of China
- First School of Clinical Medicine, Wenzhou Medical University, Wenzhou, People's Republic of China
| | - Yinuo Chen
- Department of Neurology, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, People's Republic of China
- First School of Clinical Medicine, Wenzhou Medical University, Wenzhou, People's Republic of China
| | - Jiali Xie
- Department of Neurology, Shanghai East Hospital, Tongji University, Shanghai, People's Republic of China
| | - Chunxue Wu
- Department of Neurology, Wencheng County People's Hospital, Wenzhou, People's Republic of China
| | - Can Cui
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Binbin Deng
- Department of Neurology, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, People's Republic of China.
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Abstract
Distal symmetric diabetic peripheral polyneuropathy (DPN) is the most common form of neuropathy in the world, affecting 30 to 50% of diabetic individuals and resulting in significant morbidity and socioeconomic costs. This review summarizes updates in the diagnosis and management of DPN. Recently updated clinical criteria facilitate bedside diagnosis, and a number of new technologies are being explored for diagnostic confirmation in specific settings and for use as surrogate measures in clinical trials. Evolving literature indicates that distinct but overlapping mechanisms underlie neuropathy in type 1 versus type 2 diabetes, and there is a growing focus on the role of metabolic factors in the development and progression of DPN. Exercise-based lifestyle interventions have shown therapeutic promise. A variety of potential disease-modifying and symptomatic therapies are in development. Innovations in clinical trial design include the incorporation of detailed pain phenotyping and biomarkers for central sensitization.
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Affiliation(s)
- Qihua Fan
- Department of Neurology, Division of Neuromuscular Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - A Gordon Smith
- Department of Neurology, Division of Neuromuscular Medicine, Virginia Commonwealth University, Richmond, VA, USA
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Lekhanya PK, Mokgalaboni K. Exploring the effectiveness of vitamin B 12 complex and alpha-lipoic acid as a treatment for diabetes mellitus/neuropathy: a protocol for systematic review and meta-analysis of randomised controlled trials. BMJ Open 2022; 12:e065630. [PMID: 36008079 PMCID: PMC9422795 DOI: 10.1136/bmjopen-2022-065630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 08/09/2022] [Indexed: 11/03/2022] Open
Abstract
INTRODUCTION Diabetic neuropathy (DN) is common in patients diagnosed with diabetes mellitus. This often causes peripheral nerve damage. For many years vitamin B12 and alpha-lipoic acid (ALA) have been regarded as components that can be used in reducing markers of inflammation and oxidative stress. In this study, we will explore the effectiveness of vitamin B12 and ALA as a possible treatment for diabetic mellitus/neuropathy, emphasising markers of inflammation, lipid profile, and glucose metabolism. METHODS AND ANALYSIS We will conduct a systematic review following the Preferred Reporting Items for Systematic Reviews and Meta-Analysis Protocol (PRISMA-P). The search strategies and information sources for the literature will be PubMed, Google Scholar, Web of Science and Science direct. The literature search will include studies published from inception until 30 June 2022. All included studies will be evaluated for quality and risk of bias according to the Cochrane guidelines. To investigate the stability of the results, we will conduct a sensitivity analysis of the outcomes. All data analysis will be performed using Review Manager V.5. 4. ETHICAL AND DISSEMINATION This systematic review and meta-analysis will not require ethical approval from an institution committee as it does not have direct participants. We will obtain all our data from previous studies. The findings will be disseminated through publications in peer-reviewed journals and presented at local and international seminars and conferences.
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Affiliation(s)
- Portia Keabetswe Lekhanya
- Life and Consumer Sciences, University of South Africa, College of Agriculture and Environmental Sciences, Florida, Gauteng, South Africa
| | - Kabelo Mokgalaboni
- Life and Consumer Sciences, University of South Africa, College of Agriculture and Environmental Sciences, Florida, Gauteng, South Africa
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Farah S, Yammine K. A systematic review on the efficacy of vitamin B supplementation on diabetic peripheral neuropathy. Nutr Rev 2022; 80:1340-1355. [PMID: 34990506 DOI: 10.1093/nutrit/nuab116] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
CONTEXT Diabetic peripheral neuropathy (DPN) is a common complication. OBJECTIVE To re-evaluate the role of vitamin B supplementation on reducing the signs and symptoms of DPN. DATA SOURCES Electronic databases such as PubMed, Cochrane Library, and Medline. DATA EXTRACTION An Excel spreadsheet was used to report the extracted relevant data. DATA ANALYSIS Fourteen randomized controlled trials were selected, comprising a pooled sample of 997 study subjects. The pooled odds ratio values were 3.1 (95%CI, 1.197-8.089) and 3.04 (95%CI, 1.556-5.937) for pain and dysesthesia outcomes, respectively. For the amplitude change in electromyography of the sensory sural nerve, the weighted difference from 2 studies was 0.37 (95%CI, 0.034-0.709) in favor of intervention. Peak latency changes were in favor of the intervention group. Two studies yielded a weighted difference of 0.571 (95%CI, 0.310-0.831) for the velocity outcome in favor of intervention. Unlike the fibular nerve, the electromyographic motor outcomes of the tibial nerve were in favor of vitamin B supplementation. CONCLUSION Vitamin B supplementation could improve many symptoms and signs of DPN.
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Affiliation(s)
- Stephanie Farah
- Postdoctoral Research Fellow, Lebanese American University Medical Center, Beirut, Lebanon
| | - Kaissar Yammine
- Department of Orthopedic Surgery, Lebanese American University Medical Center-Rizk Hospital; Diabetic Foot Clinic; and the Center for Evidence-Based Anatomy, Sport & Orthopedic Research, Lebanese American University, School of Medicine, Beirut, Lebanon
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Fan Q, Gordon Smith A. Recent updates in the treatment of diabetic polyneuropathy. Fac Rev 2022. [PMID: 36311537 DOI: 10.1270/r/11-30] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/13/2023] Open
Abstract
Distal symmetric diabetic peripheral polyneuropathy (DPN) is the most common form of neuropathy in the world, affecting 30 to 50% of diabetic individuals and resulting in significant morbidity and socioeconomic costs. This review summarizes updates in the diagnosis and management of DPN. Recently updated clinical criteria facilitate bedside diagnosis, and a number of new technologies are being explored for diagnostic confirmation in specific settings and for use as surrogate measures in clinical trials. Evolving literature indicates that distinct but overlapping mechanisms underlie neuropathy in type 1 versus type 2 diabetes, and there is a growing focus on the role of metabolic factors in the development and progression of DPN. Exercise-based lifestyle interventions have shown therapeutic promise. A variety of potential disease-modifying and symptomatic therapies are in development. Innovations in clinical trial design include the incorporation of detailed pain phenotyping and biomarkers for central sensitization.
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Affiliation(s)
- Qihua Fan
- Department of Neurology, Division of Neuromuscular Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - A Gordon Smith
- Department of Neurology, Division of Neuromuscular Medicine, Virginia Commonwealth University, Richmond, VA, USA
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