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Tan M, Urbanek T, Rabe E, Gianesini S, Parsi K, Davies AH. Compression therapy in the management of varicose veins. Phlebology 2024; 39:276-279. [PMID: 38101949 PMCID: PMC10993631 DOI: 10.1177/02683555231222679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2023]
Affiliation(s)
- Matthew Tan
- Section of Vascular Surgery, Department of Surgery and Cancer, Imperial College London, London, UK
| | | | - Eberhard Rabe
- Department of Dermatology, University of Bonn, Bonn, Germany
| | - Sergio Gianesini
- Department of Translational Medicine, University of Ferrara, Ferrara, Italy
| | - Kurosh Parsi
- Department of Dermatology, St Vincent’s Hospital, Sydney, Australia
| | - Alun H Davies
- Section of Vascular Surgery, Department of Surgery and Cancer, Imperial College London, London, UK
| | - on behalf of UIP
- Section of Vascular Surgery, Department of Surgery and Cancer, Imperial College London, London, UK
- Medical University of Silesia, Katowice, Poland
- Department of Dermatology, University of Bonn, Bonn, Germany
- Department of Translational Medicine, University of Ferrara, Ferrara, Italy
- Department of Dermatology, St Vincent’s Hospital, Sydney, Australia
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2
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Nahm WJ, de Imus G, Mathe CA, Saap L, Joseph S, Chen S, Falanga V. A case of markedly impaired wound repair with angiostatic pazopanib in a patient who had Mohs surgery for a basal cell carcinoma. SAGE Open Med Case Rep 2023; 11:2050313X231200967. [PMID: 37736143 PMCID: PMC10510339 DOI: 10.1177/2050313x231200967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 08/21/2023] [Indexed: 09/23/2023] Open
Abstract
This case report highlights the adverse effects of pazopanib, a vascular endothelial growth factor receptor inhibitor, on wound healing after Mohs surgery. A 79-year-old male with metastatic renal cell carcinoma of the lung, on 600 mg daily pazopanib, underwent Mohs surgery for a nodular basal cell carcinoma on his right leg. Despite multiple wound care strategies, his wound deteriorated over 4 months. Discontinuing pazopanib resulted in rapid wound closure within 2 months. However, metastatic lung nodules grew, prompting treatment with immune checkpoint inhibitors, nivolumab, and ipilimumab, which were discontinued due to complications. Near-complete wound healing was observed prior to reintroducing pazopanib (6 months after initial discontinuation), which again led to wound deterioration. Pazopanib negatively impacts wound repair by inhibiting cell proliferation and angiogenesis. Depending on the malignancy or tumor, cessation of pazopanib, or switching to a course of immune checkpoint inhibitors may be warranted perioperatively.
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Affiliation(s)
| | - Gail de Imus
- Dermatology and Skin Surgery, Providence Medical Group, Mukilteo, WA, USA
| | - Christopher A Mathe
- California University of Science and Medicine School of Medicine, Colton, CA, USA
| | | | | | - Stanley Chen
- Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Vincent Falanga
- Department of Dermatology, Dartmouth-Mary Hitchcock Medical Center, Lebanon, NH, USA
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3
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A C, R C, N B, G DI. Compression therapy, autonomic nervous system, and heart rate variability: A narrative review and our preliminary personal experience. Phlebology 2022; 37:739-753. [DOI: 10.1177/02683555221135321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Aims To highlight the relationship among compression therapy (CT), the autonomic nervous system (ANS) (parasympathetic and sympathetic system), and the heart rate variability (HRV) analysis. Background Beyond the typical analgesic and anti-inflammatory effects of CT in patients affected by venous and/or lymphatic diseases, some literature about CT influence on wellbeing has been published as well. More specifically, CT influence on the ANS has been elucidated mostly through HRV application, providing useful quali-quantitative data for scientific and clinical purposes. Material and Methods A literature search was performed through several web-based search engines to investigate the available evidence concerning the possible influence of CT on the ANS and on psychoneuroendocrineimmunology. Moreover, we examined literature data regarding HRV use in the assessment of CT. Lastly, a preliminary cross-over study was performed on 10 patients affected by phlebolymphedema of the lower limbs, undergoing CT with 18–21 mmHg stockings for 10 h and investigated by means of HRV. Results A CT-based increase of the anti-inflammatory activity of the parasympathetic (vagal) system has been elucidated in most scientific literature. Similarly, CT application has generally resulted in an improvement of HRV, which indicates a beneficial influence on the ANS. In our preliminary experience with compression stockings and HRV, two parasympathetic-based parameters improved by 22.8% and 68.0% after 10 h, whereas they decreased in the same subjects without stockings by 2.7% and 8.2%, during normal breathing. The remaining HRV parameters did not show relevant variations, especially during diaphragmatic breathing. Conclusions From literature data and based on our very preliminary experience, it is possible to deduce that CT exerts different effects on the psychobiological parameters of the individual, overall improving HRV and parasympathetic activity. Incorporating both HRV/ANS assessment in phlebolymphology and the beneficial neural action of CT in health care may represent viable options in the future biomedical science.
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Affiliation(s)
- Cavezzi A
- Eurocenter Venalinfa, San Benedetto Del Tronto (AP), Italy
| | - Colucci R
- Eurocenter Venalinfa, San Benedetto Del Tronto (AP), Italy
| | - Barsotti N
- CMO-Centro di Medicina Osteopatica, Firenze, Italy
| | - Di Ionna G
- Strategic Nutrition Center, Bologna, Italy
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4
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Goswami AG, Basu S, Huda F, Pant J, Ghosh Kar A, Banerjee T, Shukla VK. An appraisal of vascular endothelial growth factor (VEGF): the dynamic molecule of wound healing and its current clinical applications. Growth Factors 2022; 40:73-88. [PMID: 35584274 DOI: 10.1080/08977194.2022.2074843] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Angiogenesis is a critical step of wound healing, and its failure leads to chronic wounds. The idea of restoring blood flow to the damaged tissues by promoting neo-angiogenesis is lucrative and has been researched extensively. Vascular endothelial growth factor (VEGF), a key dynamic molecule of angiogenesis has been investigated for its functions. In this review, we aim to appraise its biology, the comprehensive role of this dynamic molecule in the wound healing process, and how this knowledge has been translated in clinical application in various types of wounds. Although, most laboratory research on the use of VEGF is promising, its clinical applications have not met great expectations. We discuss various lacunae that might exist in making its clinical application unsuccessful for commercial use, and provide insight to the foundation for future research.
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Affiliation(s)
- Aakansha Giri Goswami
- Department of General surgery, All India Institute of Medical Sciences, Rishikesh, India
| | - Somprakas Basu
- Department of General surgery, All India Institute of Medical Sciences, Rishikesh, India
| | - Farhanul Huda
- Department of General surgery, All India Institute of Medical Sciences, Rishikesh, India
| | - Jayanti Pant
- Department of Physiology, All India Institute of Medical Sciences, Rishikesh, India
| | - Amrita Ghosh Kar
- Department of Pathology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
| | - Tuhina Banerjee
- Department of Microbiology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
| | - Vijay Kumar Shukla
- Department of General Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
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5
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Cytokines and Venous Leg Ulcer Healing-A Systematic Review. Int J Mol Sci 2022; 23:ijms23126526. [PMID: 35742965 PMCID: PMC9224200 DOI: 10.3390/ijms23126526] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 06/08/2022] [Accepted: 06/08/2022] [Indexed: 01/01/2023] Open
Abstract
Venous leg ulcers (VLUs) are the most common type of leg ulcers with a significant socioeconomic burden due to slow healing. Cytokines may be involved in the pathogenesis of VLUs. In this systematic review, our objective was to investigate the association between cytokine levels, including growth factors, with the healing of VLUs. PubMed, Embase, Web of Science and Cochrane Library were searched from their inception to August 2021. We retrieved 28 articles investigating 38 different cytokines in 790 patients. Cytokines were most commonly investigated in wound fluid and less frequently in biopsies and serum. The studies were judged as having a moderate to high risk of bias, and the results were often inconsistent and sometimes conflicting. A meta-analysis was not performed due to clinical and methodological heterogeneities. We found weak evidence for elevated IL-1α, IL-6, IL-8, TNF-α and VEGF levels in non-healing VLUs, an elevation that declined with healing. TGF-β1 levels tended to increase with VLU healing. Other cytokines warranting further investigations include EGF, FGF-2, GM-CSF, IL-1β, IL-1Ra and PDGF-AA/PDGF-BB. We conclude that non-healing VLUs may be associated with an elevation of a palette of pro-inflammatory cytokines, possibly reflecting activated innate immunity in these wounds. There is a paucity of reliable longitudinal studies monitoring the dynamic changes in cytokine levels during wound healing.
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Chaitidis N, Kokkinidis DG, Papadopoulou Z, Kyriazopoulou M, Schizas D, Bakoyiannis C. Treatment of chronic venous disorder: A comprehensive review. Dermatol Ther 2021; 35:e15238. [PMID: 34859549 DOI: 10.1111/dth.15238] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 11/15/2021] [Accepted: 11/28/2021] [Indexed: 12/16/2022]
Abstract
Chronic venous disorder (CVD) is highly prevalent vascular disorder affecting up to 45% of the general population, with clinical manifestations ranging from teleangiectasias to venous leg ulcers (VLUs). We examined the currently available data in order to provide an updated, comprehensive review on treatment options of CVD. We searched MEDLINE, Cochrane, Scopus, EMBASE, ClinicalTrials, and OpenGrey databases for relevant articles in English published until November 2020. Compression treatment is the mainstay of conservative treatment. Pharmacological treatment can provide significant symptomatic relief and hence it should be considered as part of conservative treatment. Transcutaneous Lacer treatment (TCL) is a safe and effective alternative option to sclerotherapy for treatment of C1 stage. High ligation and stripping (HL/S), ultrasound-guided foam sclerotherapy (UGFS), endovenous thermal ablation (EVTA) systems and non thermal non tumescent ablation (NTNT) systems are safe and efficacious first-line options for treatment of saphenous insufficiency. Interventional treatment of co-existing incompetent perforator veins (IPVs) is not supported by contemporary evidence. Regarding deep venous insufficiency (DVI), treatment of symptomatic femoroiliocaval occlusive venous disease refractory to conservative treatment with percutaneous transluminal venoplasty stenting has produced encouraging results.
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Affiliation(s)
| | - Damianos G Kokkinidis
- Section of Cardiovascular Medicine, Yale New Haven Hospital, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Zoi Papadopoulou
- 3rd Department of Pediatrics, Ippokrateio General Hospital Of Thessaloniki, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Maria Kyriazopoulou
- Department of Dermatology and Venereology, 401 General Military Hospital of Athens, Athens, Greece
| | - Dimitrios Schizas
- 1st Department of Surgery, Laikon General Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Christos Bakoyiannis
- 1st Department of Surgery, Laikon General Hospital, National and Kapodistrian University of Athens, Athens, Greece
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Kinoshita T, Nishimura Y, Umemoto Y, Koike Y, Kouda K, Ogawa T, Suenaga T, Tajima F. Case Report: Rehabilitation for Lower Extremity Pain Due to Venous Stasis in a Patient With Multisystem Inflammatory Syndrome in Children. Front Pediatr 2021; 9:810811. [PMID: 35071144 PMCID: PMC8770978 DOI: 10.3389/fped.2021.810811] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Accepted: 12/15/2021] [Indexed: 12/20/2022] Open
Abstract
Recently, it was reported that children recovering from coronavirus disease (COVID-19) developed multisystem inflammatory syndrome in children (MIS-C), which causes severe inflammation in multiple organs of the body. Because MIS-C is a new disease, the pathophysiology and prognosis are unknown. Owing to a lack of studies on this subject, we herein provide information on rehabilitation for children with MIS-C. A 12-year-old male patient presented with systemic inflammatory symptoms after approximately 2 months since recovery from COVID-19. He was treated with cyclosporine and steroid pulse therapy after admission to our hospital. His general condition improved significantly within approximately 1 week. Thereafter, his lower legs turned dark purple and he experienced intense pain whenever the lower limbs hung below the heart, such as in the sitting position. The patient was referred to the rehabilitation department, as he had difficulties during standing and walking. Because the symptoms improved with elevation of the lower extremities, we considered that the pain was related to venous stasis. The pain reduced when an elastic bandage was applied for the prevention of venous stasis; therefore, exercise therapy was implemented while the patient wore the elastic bandage. The patient's lower extremity symptoms improved in 10 days. He was discharged after 16 days and could independently perform activities of daily living (ADL). The mechanism underlying the patient's pain could not be determined; however, rehabilitation was effective when combined with compression therapy using an elastic bandage.
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Affiliation(s)
- Tokio Kinoshita
- Department of Rehabilitation Medicine, Wakayama Medical University, Wakayama, Japan.,Division of Rehabilitation, Wakayama Medical University Hospital, Wakayama, Japan
| | - Yukihide Nishimura
- Department of Rehabilitation Medicine, Iwate Medical University, Shiwa-gun, Japan
| | - Yasunori Umemoto
- Department of Rehabilitation Medicine, Wakayama Medical University, Wakayama, Japan
| | - Yumi Koike
- Department of Rehabilitation Medicine, Wakayama Medical University, Wakayama, Japan.,Division of Rehabilitation, Wakayama Medical University Hospital, Wakayama, Japan
| | - Ken Kouda
- Department of Rehabilitation Medicine, Wakayama Medical University, Wakayama, Japan
| | - Takahiro Ogawa
- Chuzan Hospital Clinical Education and Research Center, Okinawa, Japan
| | - Tomohiro Suenaga
- Department of Pediatrics, Wakayama Medical University, Wakayama, Japan
| | - Fumihiro Tajima
- Department of Rehabilitation Medicine, Wakayama Medical University, Wakayama, Japan
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Raffetto JD, Ligi D, Maniscalco R, Khalil RA, Mannello F. Why Venous Leg Ulcers Have Difficulty Healing: Overview on Pathophysiology, Clinical Consequences, and Treatment. J Clin Med 2020; 10:jcm10010029. [PMID: 33374372 PMCID: PMC7795034 DOI: 10.3390/jcm10010029] [Citation(s) in RCA: 91] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 12/14/2020] [Accepted: 12/21/2020] [Indexed: 12/13/2022] Open
Abstract
Venous leg ulcers (VLUs) are one of the most common ulcers of the lower extremity. VLU affects many individuals worldwide, could pose a significant socioeconomic burden to the healthcare system, and has major psychological and physical impacts on the affected individual. VLU often occurs in association with post-thrombotic syndrome, advanced chronic venous disease, varicose veins, and venous hypertension. Several demographic, genetic, and environmental factors could trigger chronic venous disease with venous dilation, incompetent valves, venous reflux, and venous hypertension. Endothelial cell injury and changes in the glycocalyx, venous shear-stress, and adhesion molecules could be initiating events in VLU. Increased endothelial cell permeability and leukocyte infiltration, and increases in inflammatory cytokines, matrix metalloproteinases (MMPs), reactive oxygen and nitrogen species, iron deposition, and tissue metabolites also contribute to the pathogenesis of VLU. Treatment of VLU includes compression therapy and endovenous ablation to occlude the axial reflux. Other interventional approaches such as subfascial endoscopic perforator surgery and iliac venous stent have shown mixed results. With good wound care and compression therapy, VLU usually heals within 6 months. VLU healing involves orchestrated processes including hemostasis, inflammation, proliferation, and remodeling and the contribution of different cells including leukocytes, platelets, fibroblasts, vascular smooth muscle cells, endothelial cells, and keratinocytes as well as the release of various biomolecules including transforming growth factor-β, cytokines, chemokines, MMPs, tissue inhibitors of MMPs (TIMPs), elastase, urokinase plasminogen activator, fibrin, collagen, and albumin. Alterations in any of these physiological wound closure processes could delay VLU healing. Also, these histological and soluble biomarkers can be used for VLU diagnosis and assessment of its progression, responsiveness to healing, and prognosis. If not treated adequately, VLU could progress to non-healed or granulating VLU, causing physical immobility, reduced quality of life, cellulitis, severe infections, osteomyelitis, and neoplastic transformation. Recalcitrant VLU shows prolonged healing time with advanced age, obesity, nutritional deficiencies, colder temperature, preexisting venous disease, deep venous thrombosis, and larger wound area. VLU also has a high, 50-70% recurrence rate, likely due to noncompliance with compression therapy, failure of surgical procedures, incorrect ulcer diagnosis, progression of venous disease, and poorly understood pathophysiology. Understanding the molecular pathways underlying VLU has led to new lines of therapy with significant promise including biologics such as bilayer living skin construct, fibroblast derivatives, and extracellular matrices and non-biologic products such as poly-N-acetyl glucosamine, human placental membranes amnion/chorion allografts, ACT1 peptide inhibitor of connexin 43, sulodexide, growth factors, silver dressings, MMP inhibitors, and modulators of reactive oxygen and nitrogen species, the immune response and tissue metabolites. Preventive measures including compression therapy and venotonics could also reduce the risk of progression to chronic venous insufficiency and VLU in susceptible individuals.
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Affiliation(s)
- Joseph D. Raffetto
- Vascular Surgery Research Laboratories, Division of Vascular and Endovascular Surgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA;
- Correspondence: (J.D.R.); (F.M.)
| | - Daniela Ligi
- Department of Biomolecular Sciences, Section of Biochemistry and Biotechnology, Unit of Clinical Biochemistry, University Carlo Bo of Urbino, 61029 Urbino, Italy; (D.L.); (R.M.)
| | - Rosanna Maniscalco
- Department of Biomolecular Sciences, Section of Biochemistry and Biotechnology, Unit of Clinical Biochemistry, University Carlo Bo of Urbino, 61029 Urbino, Italy; (D.L.); (R.M.)
| | - Raouf A. Khalil
- Vascular Surgery Research Laboratories, Division of Vascular and Endovascular Surgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA;
| | - Ferdinando Mannello
- Department of Biomolecular Sciences, Section of Biochemistry and Biotechnology, Unit of Clinical Biochemistry, University Carlo Bo of Urbino, 61029 Urbino, Italy; (D.L.); (R.M.)
- Correspondence: (J.D.R.); (F.M.)
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9
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Galanaud J, Genty‐Vermorel C, Rolland C, Comte A, Ouvry P, Bertaina I, Verrière F, Bosson J. Compression stockings to prevent postthrombotic syndrome: Literature overview and presentation of the CELEST trial. Res Pract Thromb Haemost 2020; 4:1239-1250. [PMID: 33313464 PMCID: PMC7695566 DOI: 10.1002/rth2.12445] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 08/31/2020] [Accepted: 09/14/2020] [Indexed: 12/22/2022] Open
Abstract
Postthrombotic syndrome (PTS) is a burdensome and costly complication of deep vein thrombosis (DVT) that develops in 20%-40% of patients within 2 years after proximal DVT. In the absence of effective curative treatment, management of PTS relies on its prevention after DVT. The effectiveness of elastic compression stockings (ECS) to prevent PTS is uncertain. We present an overview of published studies assessing the efficacy of ECS to prevent PTS and present the protocol for the CELEST clinical trial. While previous open-label randomized trials have reported a 50% risk reduction in PTS in patients treated with >30 mm Hg ankle pressure ECS, a large double-blind trial reported no effect of ECS. We discuss the main potential limitations of these trials, including a placebo effect and suboptimal compliance to ECS. We present the protocol of the CELEST double-blind randomized trial comparing 2 years of high strength (ankle pressure 35 mm Hg) versus lower strength (ankle pressure 25 mm Hg) ECS in the prevention of PTS after a first acute symptomatic, unilateral, proximal DVT. The use of lower-strength ECS than that used in previous studies should favor compliance. CELEST may provide important evidence about the efficacy of ECS in the prevention of PTS after DVT. The results will be interpreted in the light of results from recent clinical trials assessing ECS for PTS prevention that reported that the duration of ECS use should be tailored to the individual, if ECS are efficacious in the prevention of PTS.
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Affiliation(s)
- Jean‐Philippe Galanaud
- Department of Vascular MedicineMontpellier University HospitalMontpellierFrance
- Department of MedicineSunnybrook Health Sciences Centre and University of TorontoTorontoONCanada
| | - Céline Genty‐Vermorel
- Department of Public HealthUniversity Grenoble AlpesCNRSGrenoble‐Alpes University HospitalTIMC‐IMAGF38000GrenobleFrance
| | - Carole Rolland
- Department of Public HealthUniversity Grenoble AlpesCNRSGrenoble‐Alpes University HospitalTIMC‐IMAGF38000GrenobleFrance
| | - Alexa Comte
- Department of Public HealthUniversity Grenoble AlpesCNRSGrenoble‐Alpes University HospitalTIMC‐IMAGF38000GrenobleFrance
| | - Pierre Ouvry
- Vascular Medicine PhysicianSt Aubin sur ScieFrance
| | | | | | - Jean‐Luc Bosson
- Department of Public HealthUniversity Grenoble AlpesCNRSGrenoble‐Alpes University HospitalTIMC‐IMAGF38000GrenobleFrance
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10
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Hadian Y, Fregoso D, Nguyen C, Bagood MD, Dahle SE, Gareau MG, Isseroff RR. Microbiome-skin-brain axis: A novel paradigm for cutaneous wounds. Wound Repair Regen 2020; 28:282-292. [PMID: 32034844 DOI: 10.1111/wrr.12800] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 01/21/2020] [Accepted: 01/24/2020] [Indexed: 12/12/2022]
Abstract
Chronic wounds cause a significant burden on society financially, medically, and psychologically. Unfortunately, patients with nonhealing wounds often suffer from comorbidities that further compound their disability. Given the high rate of depressive symptoms experienced by patients with chronic wounds, further studies are needed to investigate the potentially linked pathophysiological changes in wounds and depression in order to improve patient care. The English literature on wound healing, inflammatory and microbial changes in chronic wounds and depression, and antiinflammatory and probiotic therapy was reviewed on PubMed. Chronic wound conditions and depression were demonstrated to share common pathologic features of dysregulated inflammation and altered microbiome, indicating a possible relationship. Furthermore, alternative treatment strategies such as immune-targeted and probiotic therapy showed promising potential by addressing both pathophysiological pathways. However, many existing studies are limited to a small study population, a cross-sectional design that does not establish temporality, or a wide range of confounding variables in the context of a highly complex and multifactorial disease process. Therefore, additional preclinical studies in suitable wound models, as well as larger clinical cohort studies and trials are necessary to elucidate the relationship between wound microbiome, healing, and depression, and ultimately guide the most effective therapeutic and management plan for chronic wound patients.
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Affiliation(s)
- Yasmin Hadian
- Department of Dermatology, School of Medicine, University of California, Davis, California.,Dermatology Section, VA Northern California Health Care System, Mather, California
| | - Daniel Fregoso
- Department of Dermatology, School of Medicine, University of California, Davis, California
| | - Chuong Nguyen
- Department of Dermatology, School of Medicine, University of California, Davis, California
| | - Michelle D Bagood
- Department of Dermatology, School of Medicine, University of California, Davis, California
| | - Sara E Dahle
- Department of Dermatology, School of Medicine, University of California, Davis, California.,Podiatry Section, VA Northern California Health Care System, Mather, California
| | - Melanie G Gareau
- Department of Anatomy, Physiology and Cell Biology, School of Veterinary Medicine, University of California Davis, Davis, California
| | - Roslyn Rivkah Isseroff
- Department of Dermatology, School of Medicine, University of California, Davis, California.,Dermatology Section, VA Northern California Health Care System, Mather, California
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11
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Tauber Z, Cizkova K, Janikova M, Jurcikova J, Vitkova K, Pavliska L, Porubova L, Krauze A, Fernandez C, Jaluvka F, Spackova I, Lochman I, Prochazka M, Johnstone BH, Prochazka V. Serum C-peptide level correlates with the course of muscle tissue healing in the rabbit model of critical limb ischemia. Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub 2019; 163:132-140. [DOI: 10.5507/bp.2018.048] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2018] [Accepted: 08/17/2018] [Indexed: 01/08/2023] Open
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12
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Mosti G, Mancini S, Bruni S, Serantoni S, Gazzabin L, Bucalossi M, Polignano R, Mariani F, Luca B, Partsch H. Adjustable compression wrap devices are cheaper and more effective than inelastic bandages for venous leg ulcer healing. A Multicentric Italian Randomized Clinical Experience. Phlebology 2019; 35:124-133. [PMID: 31234752 DOI: 10.1177/0268355519858439] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Introduction Compression therapy by inelastic bandages is highly effective in achieving venous leg ulcer healing. Inelastic bandages may be expensive as they need to be changed and discarded at every dressing change. In addition, correct application is difficult in the clinical practice, even by expert healthcare personnel. The aim of our work was to assess whether adjustable compression wraps are more cost effective and more effective than inelastic bandage to achieve venous leg ulcer healing. Methods Sixty-six venous leg ulcer patients were randomized to be treated by adjustable compression wrap (CircAid® JuxtaCure®) ( n = 33) and inelastic bandage (Coban 2 Layer®) ( n = 33). Study duration was 12 weeks. During weekly visits, the ulcers were cleansed and dressed with the same products, and the only variable was the compression device. Ulcer size, ulcer pain, patient’s perception of compression systems, and compression pressure were assessed during the visits, and the material cost was evaluated at the 12th week. Results Adjustable compression wraps were significantly cheaper than bandages (p < 0.0001) and were also more effective (not significantly) in achieving ulcer healing. To heal one ulcer patient, €228 had to be spent when applying an adjustable compression wrap and €381 if inelastic bandages were used. About 26/33 (78.8%) patients in the adjustable compression wrap group were healed after 12 weeks versus 23/33 (69.7%) in the inelastic bandage group (n.s.). Ulcer pain was reduced by both compression devices. Patient perception of compression pressure was similar with both compression devices. Compression pressure was similar at application but better maintained by adjustable compression wrap over time. Conclusions Adjustable compression wraps are significantly cheaper and more effective (not significantly) in achieving venous leg ulcer healing. Self-applicable, adjustable compression wraps are therefore a powerful, cost-effective alternative to inelastic bandages in treating venous leg ulcer.
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Affiliation(s)
- Giovanni Mosti
- Angiology Department, MD Barbantini Clinic, Lucca, Italy
| | - Stefano Mancini
- Heart and Vascular Surgery Department, University of Siena, Siena, Italy
| | - Sergio Bruni
- Outpatient Department for Hard-to-Heal skin ulcers, San Giuseppe Hospital, Empoli, Italy
| | - Simone Serantoni
- Vascular Ulcers and Diabetic Foot Surgery Unit, Villa Fiorita Clinic, Prato, Italy
| | - Luca Gazzabin
- Vascular Ulcers and Diabetic Foot Surgery Unit, Villa Fiorita Clinic, Prato, Italy
| | | | | | | | - Bastiani Luca
- Institute of Clinical Physiology, Italian National Research Council e CNR, Pisa, Italy
| | - Hugo Partsch
- Emeritus, Medical University of Vienna, Vienna, Austria
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13
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Menchisheva Y, Mirzakulova U, Yui R. Use of platelet-rich plasma to facilitate wound healing. Int Wound J 2018; 16:343-353. [PMID: 30440099 DOI: 10.1111/iwj.13034] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 10/17/2018] [Accepted: 10/21/2018] [Indexed: 12/20/2022] Open
Abstract
Platelet-rich plasma (PRP) is widely used nowadays in different fields of medicine, affecting physiological processes including tissue regeneration. The use of PRP in maxillofacial surgical interventions and its efficiency in the improvement of postoperative wound healing were analysed. Patients undergoing plastic and reconstructive surgeries in the maxillofacial region were recruited: 50 patients were enrolled into a control group (received no PPRP injection) and 50 patients were enrolled into a treatment group, where PRP was applied during the surgical procedure. Evaluation of treatment outcomes was carried out by determination of IL-1β, TNFα, and IL-6 cytokines levels in the wound-drain fluid. The stages of wound healing were assessed by cytological analyses and ultrasound within a month period. The use of the PRP has substantially positive effects, contributing to the improvement of the healing process. In the treatment group, fibroblasts, macrophages, and collagen fibres appeared and their quantities increased earlier than when compared with control group patients. The concentration of IL-1β and TNFα in wound fluid on day 1 and day 5 after operation was higher for the treatment group as opposed to the control group, which was linked to the influence of PRP on inflammatory and granulation phases of the healing process. An ultrasound examination showed less oedema and infiltration in the tissues around the wound of the treatment group.
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Affiliation(s)
- Yuliya Menchisheva
- Department of Surgical Dentistry, S.D. Asfendiyarov Kazakh National Medical University, Almaty, Kazakhstan
| | - Ulmeken Mirzakulova
- Department of Surgical Dentistry, S.D. Asfendiyarov Kazakh National Medical University, Almaty, Kazakhstan
| | - Rudolf Yui
- Department of Hystology, S.D. Asfendiyarov Kazakh National Medical University, Almaty, Kazakhstan
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Franks PJ, Barker J, Collier M, Gethin G, Haesler E, Jawien A, Laeuchli S, Mosti G, Probst S, Weller C. Management of Patients With Venous Leg Ulcers: Challenges and Current Best Practice. J Wound Care 2018; 25 Suppl 6:S1-S67. [PMID: 27292202 DOI: 10.12968/jowc.2016.25.sup6.s1] [Citation(s) in RCA: 157] [Impact Index Per Article: 26.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Introduction It is well documented that the prevalence of venous leg ulcers (VLUs) is increasing, coinciding with an ageing population. Accurate global prevalence of VLUs is difficult to estimate due to the range of methodologies used in studies and accuracy of reporting. (1) Venous ulceration is the most common type of leg ulceration and a significant clinical problem, affecting approximately 1% of the population and 3% of people over 80 years of age (2) in westernised countries. Moreover, the global prevalence of VLUs is predicted to escalate dramatically, as people are living longer, often with multiple comorbidities. Recent figures on the prevalence of VLUs are based on a small number of studies, conducted in Western countries, and the evidence is weak. However, it is estimated that 93% of VLUs will heal in 12 months, and 7% remain unhealed after five years. (3) Furthermore, the recurrence rate within 3 months after wound closure is as high as 70%. (4) (-6) Thus, cost-effective adjunct evidence-based treatment strategies and services are needed to help prevent these ulcers, facilitate healing when they occur and prevent recurrence. The impact of a VLU represents social, personal, financial and psychological costs on the individual and further economic drain on the health-care system. This brings the challenge of providing a standardised leg ulcer service which delivers evidence-based treatment for the patient and their ulcer. It is recognised there are variations in practice and barriers preventing the implementation of best practice. There are patients not receiving appropriate and timely treatment in the initial development of VLUs, effective management of their VLU and preventing recurrence once the VLU has healed. Health-care professionals (HCPs) and organisations must have confidence in the development process of clinical practice guidelines and have ownership of these guidelines to ensure those of the highest quality guide their practice. These systematic judgments can assist in policy development, and decision making, improve communication, reduce errors and improve patient outcomes. There is an abundance of studies and guidelines that are available and regularly updated, however, there is still variation in the quality of the services offered to patients with a VLU. There are also variations in the evidence and some recommendations contradict each other, which can cause confusion and be a barrier to implementation. (7) The difference in health-care organisational structures, management support and the responsibility of VLU management can vary in different countries, often causing confusion and a barrier to seeking treatment. These factors further complicate the guideline implementation process, which is generally known to be a challenge with many diseases. (8).
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Affiliation(s)
- Peter J Franks
- Centre for Research & Implementation of Clinical Practice, 128 Hill House, 210 Upper Richmond Road, London SW15 6NP, United Kingdom
| | | | - Mark Collier
- United Lincolnshire Hospitals NHS Trust (ULHT), c/o Pilgrim Hospital, Sibsey Road, Boston, Lincolnshire, PE21 9QS, United Kingdom
| | | | - Emily Haesler
- Wound Management and Healing Node, Curtin University, Perth, Australia & Academic Unit of General Practice, Australian National University, Canberra, Australia (Visiting Fellow)
| | - Arkadiusz Jawien
- Department of Vascular Surgery and Angiology, Collegium Medicum, University of Nicolaus Copernicus, Bydgoszcz, Poland
| | - Severin Laeuchli
- University Hospital Zürich, Department of Dermatology, Gloriastrasse 31, CH-8091 Zürich, Switzerland
| | | | - Sebastian Probst
- School of Health, University of Applied Sciences Western Switzerland, HES-SO Genève, Avenue de Champel 47, CH-1206 Geneva, Switzerland
| | - Carolina Weller
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, 99 Commercial Road, Melbourne VIC 3004, Australia
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Cieslik-Bielecka A, Skowroński R, Jędrusik-Pawłowska M, Pierchała M. The application of L-PRP in AIDS patients with crural chronic ulcers: A pilot study. Adv Med Sci 2018; 63:140-146. [PMID: 29120855 DOI: 10.1016/j.advms.2017.10.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 09/04/2017] [Accepted: 10/17/2017] [Indexed: 01/18/2023]
Abstract
PURPOSE Nonhealing wounds or skin ulcerations are the result of insufficient repair and destruction of a local healing potential. Opportunistic infections which cause a lot of ulcer complications influence the worsening general condition of patients with AIDS, ultimately leading to death. The chronicity of the condition and poor results of conventional therapy have prompted the search for new methods of treatment. MATERIALS AND METHODS We have examined venous or arteriovenous insufficiency-related extensive crural ulcers in AIDS patients. Crural ulcer healing processes were evaluated with clinical observations and histopathological, immunohistochemical and molecular examinations of tissue samples harvested from the wound edges before and on day 10 after L-PRP cover dressing. RESULTS Clinical observations showed positive effects of L-PRP in all patients. However, complete wound closure was noted in 60% of cases. Statistical analysis of histological examination showed increased epidermal processes between samples, but the difference was nonsignificant. However, immunohistochemical investigations showed an increased healing process with strong statistical significance. The mean VEGF level before L-PRP usage was 114.3 vessels/mm2 and on day 10 118.9 (p=0.001523). The mean FLK level was 103.2 and 109.9 respectively (p=0.008241). The biggest differences were observed for CD34, with values of 68.2 on day 0 and 100.8 on day 10 (p=0.006982). Molecular analysis generally showed decreased gene expression and confirmed vascular formation and reepithelialization processes. CONCLUSIONS In our opinion, L-PRP may be used to eradicate microorganisms from wounds, to induce neovascularization, and in unhealed cases prepare the base and edge of the ulcer for skin grafting and tissue expansion procedures.
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Abstract
Deep vein thrombosis (DVT) is a prevalent disease. About 20 to 30% of patients with DVT will develop postthrombotic syndrome (PTS) within months after the initial diagnosis of DVT. There is no gold standard for diagnosis of PTS, but clinical signs include pitting edema, hyperpigmentation, phlebectatic crown, venous eczema, and varicose veins. Several scoring systems have been developed for diagnostic evaluation. Conservative treatment includes compression therapy, medications, lifestyle modification, and exercise. Compression therapy, the mainstay and most proven noninvasive therapy for patients with PTS, can be prescribed as compression stockings, bandaging, adjustable compression wrap devices, and intermittent pneumatic compression. Medications may be used to both prevent and treat PTS and include anticoagulation, anti-inflammatories, vasoactive drugs, antibiotics, and diuretics. Exercise, weight loss, smoking cessation, and leg elevation are also recommended. Areas of further research include the duration, compliance, and strength of compression stockings in the prevention of PTS after DVT; the use of intermittent compression devices; the optimal medical anticoagulant regimen after endovascular therapy; and the role of newer anticoagulants as anti-inflammatory agents.
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Affiliation(s)
- Federico Silva Palacios
- Department of Vascular Medicine, Cardiovascular Section, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Suman Wasan Rathbun
- Department of Vascular Medicine, Cardiovascular Section, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
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17
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Abstract
For centuries, compression therapy has been utilized to treat venous disease. To date it remains the mainstay of therapy, particularly in more severe forms such as venous ulceration. In addition to mechanisms of benefit, we discuss the evidence behind compression therapy, particularly hosiery, in various forms of venous disease of the lower extremities. We review compression data for stand-alone therapy, post-intervention, as DVT prevention, post-thrombotic syndrome and venous ulcer disease. We also review the data comparing compression modalities as well as the use of compression in mixed arteriovenous disease.
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Affiliation(s)
- Robert R Attaran
- 1 Cardiovascular Medicine, Yale University, New Haven, Connecticut, USA
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18
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The Prevalence of Ovarian Varices in Patients with Endometriosis. Ann Vasc Surg 2016; 34:135-43. [DOI: 10.1016/j.avsg.2015.12.027] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Revised: 12/08/2015] [Accepted: 12/10/2015] [Indexed: 11/18/2022]
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19
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Barallobre-Barreiro J, Oklu R, Lynch M, Fava M, Baig F, Yin X, Barwari T, Potier DN, Albadawi H, Jahangiri M, Porter KE, Watkins MT, Misra S, Stoughton J, Mayr M. Extracellular matrix remodelling in response to venous hypertension: proteomics of human varicose veins. Cardiovasc Res 2016; 110:419-30. [PMID: 27068509 PMCID: PMC4872879 DOI: 10.1093/cvr/cvw075] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2015] [Accepted: 03/26/2016] [Indexed: 01/08/2023] Open
Abstract
AIMS Extracellular matrix remodelling has been implicated in a number of vascular conditions, including venous hypertension and varicose veins. However, to date, no systematic analysis of matrix remodelling in human veins has been performed. METHODS AND RESULTS To understand the consequences of venous hypertension, normal and varicose veins were evaluated using proteomics approaches targeting the extracellular matrix. Varicose saphenous veins removed during phlebectomy and normal saphenous veins obtained during coronary artery bypass surgery were collected for proteomics analysis. Extracellular matrix proteins were enriched from venous tissues. The proteomics analysis revealed the presence of >150 extracellular matrix proteins, of which 48 had not been previously detected in venous tissue. Extracellular matrix remodelling in varicose veins was characterized by a loss of aggrecan and several small leucine-rich proteoglycans and a compensatory increase in collagen I and laminins. Gene expression analysis of the same tissues suggested that the remodelling process associated with venous hypertension predominantly occurs at the protein rather than the transcript level. The loss of aggrecan in varicose veins was paralleled by a reduced expression of aggrecanases. Chymase and tryptase β1 were among the up-regulated proteases. The effect of these serine proteases on the venous extracellular matrix was further explored by incubating normal saphenous veins with recombinant enzymes. Proteomics analysis revealed extensive extracellular matrix degradation after digestion with tryptase β1. In comparison, chymase was less potent and degraded predominantly basement membrane-associated proteins. CONCLUSION The present proteomics study provides unprecedented insights into the expression and degradation of structural and regulatory components of the vascular extracellular matrix in varicosis.
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Affiliation(s)
| | - Rahmi Oklu
- Division of Vascular and Interventional Radiology, Mayo Clinic, Scottsdale, AZ, USA
| | - Marc Lynch
- King's British Heart Foundation Centre, King's College London, 125 Coldharbour Lane, London SE5 9NU, UK
| | - Marika Fava
- King's British Heart Foundation Centre, King's College London, 125 Coldharbour Lane, London SE5 9NU, UK St George's Hospital, NHS Trust, London, UK
| | - Ferheen Baig
- King's British Heart Foundation Centre, King's College London, 125 Coldharbour Lane, London SE5 9NU, UK
| | - Xiaoke Yin
- King's British Heart Foundation Centre, King's College London, 125 Coldharbour Lane, London SE5 9NU, UK
| | - Temo Barwari
- King's British Heart Foundation Centre, King's College London, 125 Coldharbour Lane, London SE5 9NU, UK
| | - David N Potier
- King's British Heart Foundation Centre, King's College London, 125 Coldharbour Lane, London SE5 9NU, UK
| | - Hassan Albadawi
- Division of Vascular Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | | | - Karen E Porter
- Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK
| | - Michael T Watkins
- Division of Vascular Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Sanjay Misra
- Division of Vascular and Interventional Radiology, Mayo Clinic, Rochester, MN, USA
| | - Julianne Stoughton
- Division of Vascular Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Manuel Mayr
- King's British Heart Foundation Centre, King's College London, 125 Coldharbour Lane, London SE5 9NU, UK
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Qian LW, Fourcaudot AB, Yamane K, You T, Chan RK, Leung KP. Exacerbated and prolonged inflammation impairs wound healing and increases scarring. Wound Repair Regen 2016; 24:26-34. [DOI: 10.1111/wrr.12381] [Citation(s) in RCA: 92] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Accepted: 11/10/2015] [Indexed: 12/16/2022]
Affiliation(s)
- Li-Wu Qian
- The US Army Institute of Surgical Research/Dental and Trauma Research Detachment, Joint Base Fort Sam Houston; Texas
| | - Andrea B. Fourcaudot
- The US Army Institute of Surgical Research/Dental and Trauma Research Detachment, Joint Base Fort Sam Houston; Texas
| | - Kazuyoshi Yamane
- The US Army Institute of Surgical Research/Dental and Trauma Research Detachment, Joint Base Fort Sam Houston; Texas
| | - Tao You
- The US Army Institute of Surgical Research/Dental and Trauma Research Detachment, Joint Base Fort Sam Houston; Texas
| | - Rodney K. Chan
- The US Army Institute of Surgical Research/Dental and Trauma Research Detachment, Joint Base Fort Sam Houston; Texas
| | - Kai P. Leung
- The US Army Institute of Surgical Research/Dental and Trauma Research Detachment, Joint Base Fort Sam Houston; Texas
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21
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Abstract
Venous disease is the most common cause of chronic leg ulceration and represents an advanced clinical manifestation of venous insufficiency. Due to their frequency and chronicity, venous ulcers have a high socioeconomic impact, with treatment costs accounting for 1% of the health care budget in Western countries. The evaluation of patients with venous ulcers should include a thorough medical history for prior deep venous thrombosis, assessment for an hypercoagulable state, and a physical examination. Use of the CEAP (clinical, etiology, anatomy, pathophysiology) Classification System and the revised Venous Clinical Severity Scoring System is strongly recommended to characterize disease severity and assess response to treatment. This venous condition requires lifestyle modification, with affected individuals performing daily intervals of leg elevation to control edema; use of elastic compression garments; and moderate physical activity, such as walking wearing below-knee elastic stockings. Meticulous skin care, treatment of dermatitis, and prompt treatment of cellulitis are important aspects of medical management. The pharmacology of chronic venous insufficiency and venous ulcers include essentially two medications: pentoxifylline and phlebotropic agents. The micronized purified flavonoid fraction is an effective adjunct to compression therapy in patients with large, chronic ulceration.
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Affiliation(s)
- Luigi Pascarella
- Division of Vascular Surgery, University of Iowa Hospitals and Clinics, Iowa City, IA.
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22
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McInnes SJP, Turner CT, Al-Bataineh SA, Airaghi Leccardi MJI, Irani Y, Williams KA, Cowin AJ, Voelcker NH. Surface engineering of porous silicon to optimise therapeutic antibody loading and release. J Mater Chem B 2015; 3:4123-4133. [DOI: 10.1039/c5tb00397k] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Infliximab antibodies released from porous silicon microparticles can sequester the proinflammatory cytokine, tumor necrosis factor-α (TNF-α), which is elevated in uveitis and non-healing chronic wounds.
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Affiliation(s)
- Steven J. P. McInnes
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology
- Mawson Institute
- University of South Australia
- Adelaide
- Australia
| | - Chris T. Turner
- Mawson Institute
- University of South Australia
- Adelaide
- Australia
| | | | - Marta J. I. Airaghi Leccardi
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology
- Mawson Institute
- University of South Australia
- Adelaide
- Australia
| | - Yazad Irani
- Department of Ophthalmology
- Flinders University
- Bedford Park
- Australia
| | | | | | - Nicolas H. Voelcker
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology
- Mawson Institute
- University of South Australia
- Adelaide
- Australia
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23
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Petreaca ML, Do D, Dhall S, McLelland D, Serafino A, Lyubovitsky J, Schiller N, Martins-Green MM. Deletion of a tumor necrosis superfamily gene in mice leads to impaired healing that mimics chronic wounds in humans. Wound Repair Regen 2012; 20:353-66. [PMID: 22564230 DOI: 10.1111/j.1524-475x.2012.00785.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Proper healing of cutaneous wounds progresses through a series of overlapping phases. Nonhealing wounds are defective in one or more of these processes and represent a major clinical problem. A critical issue in developing treatments for chronic wounds is the paucity of animal models to study the mechanisms underlying the defects in healing. Here we show that deletion of tumor necrosis factor superfamily member 14 (TNFSF14/LIGHT) leads to impaired wounds in mice that have the characteristics of nonchronic and chronic ulcers. These wounds show: (1) excessive production of cytokines, in particular three chemokines (KC/CXCL8, MCP-1/CCL2, IP-10/CXCL10), that may be key to the abnormal initiation and resolution of inflammation; (2) defective basement membranes, explaining blood vessel leakage and disruption of dermal/epidermal interactions; and (3) granulation tissue that contains high levels of Coll III, whereas Coll I is virtually absent and does not form fibrils. We also see major differences between nonchronic and chronic wounds, with the latter populated by bacterial films and producing eotaxin, a chemokine that attracts leukocytes that combat multicellular organisms (which biofilms can be considered to be). This new mouse model captures many defects observed in impaired and chronic human wounds and provides a vehicle to address their underlying cell and molecular mechanisms.
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Affiliation(s)
- Melissa L Petreaca
- Department of Cell Biology and Neuroscience, University of California-Riverside, 900 University Ave., Riverside, CA 92521, USA
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24
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Meissner MH, Gloviczki P, Comerota AJ, Dalsing MC, Eklof BG, Gillespie DL, Lohr JM, McLafferty RB, Murad MH, Padberg F, Pappas P, Raffetto JD, Wakefield TW. Early thrombus removal strategies for acute deep venous thrombosis: Clinical Practice Guidelines of the Society for Vascular Surgery and the American Venous Forum. J Vasc Surg 2012; 55:1449-62. [DOI: 10.1016/j.jvs.2011.12.081] [Citation(s) in RCA: 285] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2011] [Revised: 12/08/2011] [Accepted: 12/27/2011] [Indexed: 11/26/2022]
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Aspectos diagnósticos y terapéuticos de las úlceras de las piernas. ACTAS DERMO-SIFILIOGRAFICAS 2011; 102:780-90. [DOI: 10.1016/j.ad.2011.05.005] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2011] [Revised: 05/02/2011] [Accepted: 05/11/2011] [Indexed: 01/15/2023] Open
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27
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Liu YC, Margolis DJ, Isseroff RR. Does inflammation have a role in the pathogenesis of venous ulcers? A critical review of the evidence. J Invest Dermatol 2011; 131:818-27. [PMID: 21307876 DOI: 10.1038/jid.2010.428] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Chronic venous disease, a disorder involving venous return from the legs, is a growing epidemic in the developed world. Numerous studies have been conducted in the past two decades in an attempt to elucidate its underlying pathophysiology. Many theories have been proposed to address the profound inflammatory dysregulation, with the majority focusing on fibrin trap, inflammatory trap, cytokines, growth factors, and matrix metalloproteinases. Although many of these theories have obtained great momentum, much of the data are contradictory. Moreover, many treatments built on these theories have claimed overwhelming success despite insufficient evidence. At the same time, there are few reviews that critically analyze and evaluate these data. Therefore, in this paper, we will provide summaries of the background data and evolution of these theories and examine their supporting evidence.
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Affiliation(s)
- Yen Chen Liu
- Department of Dermatology, University of California, Davis, California 95616, USA
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28
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Weinstein DA, Kirsner RS. Refractory ulcers: the role of tumor necrosis factor-alpha. J Am Acad Dermatol 2010; 63:146-54. [PMID: 20542177 DOI: 10.1016/j.jaad.2009.08.004] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2009] [Revised: 07/30/2009] [Accepted: 08/03/2009] [Indexed: 12/22/2022]
Affiliation(s)
- David A Weinstein
- College of Medicine, University of Florida, Gainesville, Florida, USA
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29
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Tumor necrosis factor-alfa in nonhealing venous leg ulcers. J Am Acad Dermatol 2009; 60:951-5. [PMID: 19344978 DOI: 10.1016/j.jaad.2008.09.012] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2008] [Revised: 09/03/2008] [Accepted: 09/08/2008] [Indexed: 11/20/2022]
Abstract
BACKGROUND Venous leg ulcers are responsible for more than half of all lower extremity ulcerations, affecting more than one million Americans annually. Studies have demonstrated alterations in levels of proinflammatory cytokines in patients with chronic wounds, including tumor necrosis factor-alfa (TNFalpha), which may be implicated in wound chronicity. OBJECTIVE To test the hypothesis that recalcitrant venous leg ulcers have increased local tissue TNFalpha as compared to normal skin. METHODS Five patients with nonhealing healing chronic venous leg ulcers were recruited. Two 4-mm punch biopsy specimens were obtained: one from the wound margin and one from noninvolved, non-sun exposed normal skin on the flexor aspect of the forearm. Tissue samples were processed using fixed with formalin stained by immunohistochemistry for TNFalpha. Qualitative and quantitative comparisons were made for the presence of TNFalpha receptor in all tissue samples, specifically comparing the presence of TNFalpha in nonhealing venous leg ulcer samples versus normal skin. RESULTS The overall staining score for nonhealing venous leg ulcers was significantly higher compared to respective normal skin samples (P = .01). In addition, immunostaining for TNFalpha was significantly less in the two nonhealing venous leg ulcers that were present for the shortest duration compared to the other ulcers of longer duration (P = .048). LIMITATIONS The small sample size may mitigate the clinical implications of findings. CONCLUSIONS Increased levels of TNFalpha in nonhealing venous leg ulcers, especially those of longer duration, implies that excessive inflammation may be causal in wound chronicity and suggests potential therapeutic alternatives.
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Gohel MS, Windhaber RA, Tarlton JF, Whyman MR, Poskitt KR. The relationship between cytokine concentrations and wound healing in chronic venous ulceration. J Vasc Surg 2008; 48:1272-7. [DOI: 10.1016/j.jvs.2008.06.042] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2008] [Revised: 06/04/2008] [Accepted: 06/10/2008] [Indexed: 10/21/2022]
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New aspect of anti-inflammatory action of lipo-prostaglandinE1 in the management of collagen diseases-related skin ulcer. Rheumatol Int 2008; 28:1127-35. [PMID: 18461292 DOI: 10.1007/s00296-008-0589-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2008] [Accepted: 04/14/2008] [Indexed: 10/22/2022]
Abstract
It is considered that the mechanism in intractable cutaneous ulcer is deeply associated with prolongation at the inflammatory phase. Having evaluated the effects of Lipo-prostaglandin E1 (Lipo-PGE1) with indicators such as the reduction ratio of the ulcer area and the values of the inflammatory markers after dividing them into two groups of collagen diseases and non-collagen diseases and giving them Lipo-PGE1, we managed to obtain the result that Lipo-PGE1 administration could influence various inflammatory markers such as C-reactive protein (CRP), IL-6, and VEGF in addition to reduction of the ulcer region. It also suggested that Lipo-PGE1 has the effect of maintaining an appropriate balance of induction of inflammation and angiogenesis. Additionally, it revealed that Lipo-PGE1 controls the production of cytokines, which are associated with the growth of collagen diseases. From these results, it can be expected that Lipo-PGE1 will act favorably on intractable collagen diseases.
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32
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Yasim A, Kilinc M, Aral M, Oksuz H, Kabalci M, Eroglu E, Imrek S. Serum concentration of procoagulant, endothelial and oxidative stress markers in early primary varicose veins. Phlebology 2008; 23:15-20. [PMID: 18361265 DOI: 10.1258/phleb.2007.007014] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
OBJECTIVE Endothelial disorders of the veins are considered to play a role in the pathogenesis of primary varicose veins and oxidative stress is implicated in these disorders. With this aim, we investigated vascular endothelial marker levels and the effect of endothelial damage on coagulation parameters and vasodilator substances to determine metabolic markers of oxidative stress in patients with varicose veins and vascular endothelial damage caused by oxidative stress. METHODS We investigated the levels of malondialdehyde (MDA), protein C, protein S, fibrinogen, von Willebrand factor (vWf), tissue plasminogen activator (tPA), vascular endothelial growth factor (VEGF), interleukin-6 (IL-6), interleukin-12 (IL-12) and nitric oxide (NO) in the blood taken from the brachial vein of 25 patients with primary varicose veins (study group) and compared the results with 25 healthy volunteers (control group). We also investigated the urinary levels of prostaglandin I2 (PGI2) in the study group and compared the results with the control group. RESULTS There was no statistically significant difference between the study group and the control group with respect to the plasma levels of MDA, protein C, fibrinogen, tPA, IL-6, NO and urinary levels of PGI2. But plasma levels of protein S, vWf, VEGF and IL-12 were found to be statistically significantly higher in the study group than in the control group. CONCLUSIONS Although the systemically measured levels of protein S, vWf, VEGF and IL-12 were found to be higher in patients of primary varicose veins, levels of protein C, fibrinogen, homocysteine and PGI2 were not found to be statistically significant. No systemic increased oxidative stress seems to be related to the early stages of chronic venous insufficiency. Further studies are warranted for understanding the role of molecules such as NO, oxidative stress parameters and cytokines.
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Affiliation(s)
- A Yasim
- Department of Cardiovascular Surgery, Kahramanmaras Sutcu Imam University, Turkey.
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Meissner MH, Eklof B, Smith PC, Dalsing MC, DePalma RG, Gloviczki P, Moneta G, Neglén P, O’ Donnell T, Partsch H, Raju S. Secondary chronic venous disorders. J Vasc Surg 2007; 46 Suppl S:68S-83S. [DOI: 10.1016/j.jvs.2007.08.048] [Citation(s) in RCA: 110] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2006] [Revised: 08/15/2007] [Accepted: 08/19/2007] [Indexed: 11/16/2022]
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Meissner MH, Eklof B, Gloviczki P, Lohr JM, Lurie F, Kistner R, Moneta G, Wakefield TW. Mapping the future: Organizational, clinical, and research priorities in venous disease. J Vasc Surg 2007; 46 Suppl S:84S-93S. [DOI: 10.1016/j.jvs.2007.08.049] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2006] [Revised: 08/15/2007] [Accepted: 08/17/2007] [Indexed: 11/27/2022]
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Fonder MA, Mamelak AJ, Kazin RA, Cohen BA. Port-wine-stain-associated dermatitis: implications for cutaneous vascular laser therapy. Pediatr Dermatol 2007; 24:376-9. [PMID: 17845159 DOI: 10.1111/j.1525-1470.2007.00453.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Port-wine stains are congenital vascular malformations affecting 0.3% to 0.5% of infants. Dermatitis occurring exclusively or most severely within port-wine stains has been described in the literature. Traditionally, topical corticosteroid therapy has been used for the treatment of dermatitis, while pulseddye laser treatment is considered a safe and effective means of lightening the appearance of congenital port-wine stains. To describe the development of port-wine stain-associated dermatitis as well as a rational treatment approach to these patients, we studied three children with facial, limb, or truncal port-wine stains who developed dermatitis within the congenital vascular malformation either prior to or during treatment with pulseddye laser. Laser therapy of dermatitis-affected areas was subsequently deferred pending resolution of the dermatitis with topical corticosteroid or topical calcineurin inhibitor treatment. While pulseddye laser therapy is an effective means of lightening port-wine stains and achieving lasting resolution of any associated dermatitis, this therapy to dermatitis-affected areas should be postponed until the inflammation resolves to minimize the risk of laser-associated adverse effects.
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Affiliation(s)
- Margaret A Fonder
- Department of Dermatology, Johns Hopkins University, Baltimore, Maryland 21287, USA
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Cowin AJ, Hatzirodos N, Rigden J, Fitridge R, Belford DA. Etanercept decreases tumor necrosis factor-α activity in chronic wound fluid. Wound Repair Regen 2006; 14:421-6. [PMID: 16939569 DOI: 10.1111/j.1743-6109.2006.00141.x] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
High levels of tumor necrosis factor-alpha (TNF-alpha), a pro-inflammatory cytokine, are present in the wound fluid of chronic nonhealing wounds. This leads to increased inflammation, cytokine expression, and ultimately results in impaired wound healing and tissue destruction. Etanercept is a recombinant fusion protein that consists of the soluble TNF receptor (p75) linked to the Fc portion of human IgG1. It is an effective inhibitor of TNF-alpha and has been shown to provide rapid and sustained improvement in rheumatoid arthritis by acting as a soluble receptor binding TNF-alpha and preventing its proinflammatory activities. Therefore, the aim of this study was to determine whether Etanercept could inhibit TNF-alpha activity in chronic wound fluid. Wound fluid was collected from the venous leg ulcers of 16 different patients. The effect of Etanercept on TNF-alpha activity was evaluated using both a TNF-alpha bioassay and an enzyme-linked immunoassay. Etanercept was found to reduce the cytotoxic effect of chronic wound fluid on L929 fibroblasts by approximately 30% and neutralized TNF-alpha binding in the enzyme-linked immunoassay by up to 80%. Direct application of Etanercept to chronic wounds may therefore reduce the inflammatory activity of TNF-alpha, which could reduce the chronicity of venous leg ulcers and thus aid in the healing of these wounds.
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Affiliation(s)
- Allison J Cowin
- Child Health Research Institute, Women's and Children's Hospital, North Adelaide, SA, Australia.
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Nomura S, Yoshimura K, Akiyama N, Mikamo A, Furutani A, Aoki H, Matsuzaki M, Hamano K. HMG-CoA reductase inhibitors reduce matrix metalloproteinase-9 activity in human varicose veins. Eur Surg Res 2006; 37:370-8. [PMID: 16465063 DOI: 10.1159/000090339] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2005] [Accepted: 10/21/2005] [Indexed: 11/19/2022]
Abstract
Matrix metalloproteinases (MMPs) have been implicated in tissue degradation in varicose veins. The aim of this study was to investigate the effects of 3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitors (statins) on the activity of MMPs in varicose veins. MMP-9 was present at significantly higher levels in varicose veins than in controls and was localized mainly in smooth muscle cells at the tunica media, where marked degradation of the extracellular matrix was observed. Both simvastatin and pravastatin strikingly suppressed MMP-9 activity in ex vivo culture of varicose veins. Simvastatin suppressed MMP-9 at both the mRNA and protein levels as well as at the urokinase-type plasminogen activator protein level, resulting in the dramatic suppression of MMP-9 activity induced by tumor necrosis factor-alpha. Therefore, statins suppress MMP-9 activity by multiple mechanisms in varicose veins, suggesting they may have clinical potential for the treatment of this disease.
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Affiliation(s)
- S Nomura
- Department of Medical Bioregulation, Yamaguchi University School of Medicine, Ube, Japan
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Abstract
Recent histological and immunocytochemical analyses of venous leg ulcers suggest that lesions observed in the different stages of chronic venous insufficiency (CVI) may be related to an inflammatory process. This inflammatory process leads to fibrosclerotic remodeling of the skin and then to ulceration. The vascular network of the most superficial layers of the skin appears to be the target of the inflammatory reaction. Hemodynamic forces such as venous hypertension, circulatory stasis, and modified conditions of shear stress appear to play an important role in an inflammatory reaction accompanied by leukocyte activation which clinically leads to CVI: venous dermatitis and venous ulceration. The leukocyte activation is accompanied by the expression of integrins and by synthesis and release of many inflammatory molecules, including proteolytic enzymes, leukotrienes, prostaglandin, bradykinin, free oxygen radicals, cytokines, and possibly other classes of inflammatory mediators. The inflammatory reaction perpetuates itself, leading to liposclerotic skin and subcutaneous tissue remodeling. In light of the mechanisms of venous ulcer formation cited above, therapy in the future might be directed against leukocyte activation in order to diminish the magnitude of the inflammatory response. With this in mind, the attention of many investigators has been drawn to two different drugs with an anti-inflammatory effect: pentoxifylline and flavonoids.
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Affiliation(s)
- Luigi Pascarella
- Department of Bioengineering, Whitaker Institute of Biomedical Engineering, Jacobs School of Engineering, University of California San Diego, La Jolla, CA, USA
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Duque MI, Yosipovitch G, Chan YH, Smith R, Levy P. Itch, pain, and burning sensation are common symptoms in mild to moderate chronic venous insufficiency with an impact on quality of life. J Am Acad Dermatol 2005; 53:504-8. [PMID: 16112363 DOI: 10.1016/j.jaad.2005.04.079] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2005] [Revised: 04/15/2005] [Accepted: 04/21/2005] [Indexed: 01/12/2023]
Abstract
To our knowledge there are no studies evaluating the prevalence and characteristics of itch, pain, and burning sensation among patients with mild to moderate chronic venous insufficiency or assessing the impact of these symptoms on quality of life. In this report 100 patients met the inclusion criteria. Patients who suffered from itch were also assessed with the use of a validated questionnaire and a modified Skindex-16 questionnaire. We found that the prevalence of itch was 66%. Concomitant itch and burning sensation as well as itch and pain were noted in 47% and 44% of the patients, respectively. No correlation was noted between the severity of these symptoms and the degree of venous insufficiency. Itch had a negative impact on quality of life. A limitation of this study is that the participants, who were primarily hospital employees, are more likely to develop these symptoms. Therefore this study does not reflect the true prevalence of these symptoms in the general population. This study found that itch, pain, and burning sensation are common symptoms of mild to moderate chronic venous insufficiency with a significant impact on quality of life.
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Affiliation(s)
- Maria I Duque
- Department of Dermatology, Wake Forest University Health Sciences, Winston-Salem, North Carolina 27157, USA
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