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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Une étude de la flore bactérienne et virale infectant la plaie du pied diabétique par approche culturomique / A study of bacterial and viral flora in the diabetic foot ulcer with culturomic approach

Jneid, Joanne 05 July 2018 (has links)
Nous avons effectué une étude bibliographique intitulée “The diabetic foot microbiota: A review”. Cette revue a permis une réactualisation des données connues sur le microbiote du pied diabétique. Nous avons discuté le rôle des bactéries dans la pathogénèse de l’ulcère du pied diabétique et la différenciation entre l’infection et la colonisation bactérienne au niveau de la plaie ainsi que la superposition de l’approche moléculaire et la culture. Nous avons étudié le microbiote du pied diabétique infecté par culturomic. Il s’agit de varier les conditions de culture, puis identifier les colonies par MALDI-TOF ou par amplification et séquençage ARNr 16S. Cette technique s’est montrée efficace dans l’élargissement de l’éventail des bactéries identifiées. 53 espèces bactériennes différentes ont été identifiées à partir des échantillons de 43 patients. L’hétérogénéité et la richesse des plaies se sont montrées importantes. Staphylococcus aureus était l’espèce dominante. Nous nous sommes servis de tests statistiques pour évaluer l’influence que les facteurs cliniques chez les patients pourraient avoir sur la composition de cette flore et l’évolution de la plaie. On s’est orienté vers des souches spéciales « ExPEC » isolées des pieds diabétiques reconnues par leur virulence et impliquées dans des infections extra intestinales sévères. Nous avons disposé d’une collection de souches d’E Coli isolées des pieds diabétiques afin de mener une étude génétique. Nous sommes parvenus à amplifier les gènes de virulence, classer les souches par phylogroupes et les assembler dans des clones. En plus, nous avons réalisé un typage des souches ainsi qu’une exploitation des gènes de résistance. / We conducted a bibliographic study entitled "The Diabetic Foot Microbiota: a review". This review has offered an update of the data concerning the diabetic foot microbiota. We discussed the role of bacteria in the pathogenesis of diabetic foot ulcer, the differentiation between infection and bacterial colonization of the wound and the importance of superposing culture and molecular Tools.We studied the diabetic foot microbiota using the culturomics. It consists in varying the culture conditions and then to identify the colonies by MALDI-TOF or 16s rRNA amplification and sequencing. We decided to practice this technique on the diabetic foot microbiota because it has proven to be effective in broadening the range of identified bacteria. 53 different bacterial species were identified from the samples of 43 patients. The heterogeneity and richness of the wounds were elevated. Staphylococcus aureus was the dominant species. We used statistical tests to evaluate the influence that clinical factors in patients might have on the composition of this flora and the evolution of the wound. We targeted special strains « ExPEC »isolated from diabetic feet known to their virulance and involved in severe extra intestinal infections. We disposed of a collection of E Coli strains isolated from diabetic wounds to conduct a genetic study. We have managed to amplify the virulence genes, classify the strains by phylogroupes and assemble them in clones. In addition, we performed a strain typing as well as an exploitation of the resistance genes.
2

Diabetic skin microangiopathy : studies on pathogenesis and treatment /

Kalani, Majid, January 2003 (has links)
Diss. (sammanfattning) Stockholm : Karol. inst., 2003. / Härtill 4 uppsatser.
3

Low intensity laser therapy (LILT) and combined phototherapy/LILT : effects upon blood flow and wound healing in humans

Clements, B. Alyson January 1997 (has links)
No description available.
4

A systematic review of pharmacotherapy for diabetic foot infections

Carzoli, Joshua, Thompson, Cody January 2010 (has links)
Class of 2010 Abstract / OBJECTIVES:The main purpose of this study was to review recent and good quality studies of the antimicrobial therapy of for moderate to severe (“limb threatening”) DFI. The analysis of these studies was to conclude with one or two “standard” approach to the routine management of this clinical entity. METHODS: This literature review study consisted of an evaluation of clinical trials that compare two or more active systemic antimicrobial regimens for the treatment of moderate to severe (i.e., “limb-threatening”) diabetic foot infections in human patients. Literature sources were identified primarily from OVID MEDLINE, but also included additional tertiary sources. The primary criteria for the clinical studies were: prospective, controlled, randomized and investigator blinded. Studies had to be published after the year 2003, and be available in full-text in English. RESULTS: Ultimately, only four studies were found that met the criteria for consideration. Trials differed in numerous features. All four studies were sponsored by the manufacturer of one of the comparator drugs. Three of the four were non-inferiority design. Evidence is lacking that any of the suggested regimens are superior. CONCLUSIONS: Instead of meeting our original goal of concluding that one or two regimens could be the “standard” management of DFI, we were limited to commentary on the quality and applicability of the current literature on this clinical entity. Numerous suggestions for improvement in the clinical information provided by DFI studies were offered. We eagerly anticipate the publication of the updated IDSA guideline document on DFI.
5

A systematic review of Si-Miao-Yong-An decoction for the treatment of diabetic foot

Wu, Xiao Hao 13 June 2015 (has links)
Introduction: Diabetic foot (DF) is a common complication in patients with diabetes mellitus. Due to arterial abnormalities and diabetic neuropathy, as well as a tendency to delayed wound healing, infection or gangrene of the foot is relatively common. Early study indicated Si-Miao-Yong-An (SMYA) decoction is the most chosen Chinese herbal formulae in the treatment of DF. The aim of this study is to assess the quality of current evidence, and systematic review the effectiveness and safety of SMYA decoction for the treatment of DF. Method: (1) Search strategy: a special protocol was designed, and electronic databases and hand-search materials were used for screening eligible trials. (2) Inclusive criteria: randomized controlled trials (RCTs) to examine the efficacy and/or safety of SMYA decoction in DF treatments were valid. (3)Data analysis: the Jadad’s scale was used to assess the quality of eligible trials. Result: Total 23 RCTs met the inclusion criteria. Among those, 1341 patients are involved, 702 patients were treated by SYMA decoction. 22 trails using SMYA decoction combined WM claimed that they showed a statistically significant advantages over the treatments using WM alone in reducing DF symptoms. Only 1 RCT reported adverse events related to SMYA decoction, but less than WM treatment. Conclusion: All available evidence points to the fact that SMYA decoction may benefit to those diabetes patients with foot problem. However, due to the poor quality of included trials, more high-quality trials are required to substantiate or refute these early findings.
6

Diabetic bullae: A case series and a new model of surgical management

Shahi, N., Bradley, S., Vowden, Kath, Vowden, Peter 06 1900 (has links)
No / Bullosis diabeticorum is considered a rare skin manifestation of diabetes mellitus. Tense blisters appear rapidly, mostly on the feet, the cause of which is unclear, with multiple pathophysiologies hypothesised. This is a retrospective review of 4 diabetic patients who presented over six months with diabetic bullae; the condition may therefore not be as rare as commonly believed. All the patients had early surgical debridement followed by topical negative pressure wound dressings. A multidisciplinary team that included vascular surgeons, diabetologists, diabetic foot care team, wound care team, physiotherapists and occupational therapists managed the patients and none of them required amputations. We propose an alternative way of managing these patients with early surgical debridement followed by topical negative pressure wound dressing.
7

Diabetic foot ulcer or pressure ulcer? That is the question

Vowden, Peter, Vowden, Kath January 2016 (has links)
No / The establishment of a correct diagnosis links care to established guidelines and underpins all subsequent therapeutic activity. Problems can arise when definitions of disease overlap, as is the case with diabetic foot ulceration and pressure ulcers on the foot occurring in people with diabetes. In such cases, clinicians must ensure that patients receive a care bundle that recognises both the wound causation (pressure and shear) and the underlying pathology (diabetic neuropathy, potential foot architecture disruption and ischaemia). All patients with diabetes that have foot ulceration, irrespective of wound aetiology should, therefore, be seen by the multidisciplinary diabetic foot team. Care can then be optimised to include appropriate assessments, including assessment of peripheral perfusion, correct offloading, appropriate diabetic management, and general foot and skin care.
8

Nanomaterial and Biomaterial Approaches for Treating Chronic Wounds

Lazurko, Caitlin 25 June 2019 (has links)
Diabetic foot ulcers (DFUs) are a common and severe adverse event associated with diabetes, as 25% of diabetic patients will experience DFUs. The lack of effective DFU therapies results in 20% of diabetic patients requiring amputation. We first developed an algorithm to account for polydispersity when calculating nanoparticle concentration, which will reduce variability between batches and treatments. We also developed a novel 2-layer biomaterial, which combines anti-microbial properties of CLKRS peptide coated silver nanoparticles (CLKRS- AgNPs) with a pro-regenerative collagen matrix embedded with microscopic skin tissue columns (MSTC), to promote DFU wound healing. The collagen hydrogel formulation was optimized, and the physical properties, biocompatibility, and wound healing properties were assessed. Our results indicate that the CLKRS-AgNPs prevent bacterial growth and the collagen matrix provides a regenerative environment. Last, we developed and tested antimicrobial fabrics which can also be applied to chronic wounds, such as DFUs, to prevent and treat infections.
9

Methodological aspects of toe blood pressure measurements for evaluation of arterial insuffiency in patients with diabetes /

Påhlsson, Hans-Ivar, January 2007 (has links)
Diss. (sammanfattning) Stockholm : Karolinska institutet, 2007. / Härtill 5 uppsatser.
10

Cost-effectiveness of Intravenous Antibiotics in Moderate to Severe Diabetic Foot Infections and Efficacy as a Function of Resistance Rates in the Case of Methicillan-resistant Staphylococcus Aureus in Diabetic Foot Infections

Marchesano, Romina 22 November 2012 (has links)
Objectives: The objectives of the research were to determine which intravenous (IV) antibiotics were cost-effective in Diabetic Foot Infections (DFIs) and to assess the impact of MRSA prevalence on clinical outcome. Methods: A Cost-effectiveness analysis (CEA) was performed on IV antibiotics used to treat moderate to severe DFIs in hospitalized patients. MRSA prevalence was taken into account by calculating an ‘Adjusted cure rate’ and re-analysing the CEA. Results: In the original CEA, imipenem/cilastatin was the cost-effective agent. When MRSA prevalence was taken into account imipenem/cilastatin, moxifloxacin, cefoxitin and ertapenem were cost-effective antibiotics. Conclusion: MRSA prevalence adjustments changed the results of the CEA and included classes of IV antibiotics that are seen being using in practice, such as fluoroquinolones and cephalosporins. These methods could potentially have an impact on the evaluation of clinical cure rates and resistance when evaluating the literature.

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