Conectar
A novel advanced synthetic bioactive glass matrix was studied in patients with non-healing diabetic foot ulcers (DFUs). Bioactive glasses can be constructed to be biocompatible, with water-soluble materials in multiple geometries including fibre scaffolds that mimic the 3D architecture of a fibrin clot. In this trial, chronic, Wagner Grade 1 DFUs were randomised to receive borate-based bioactive glass Fibre Matrix (BBGFM) plus standard of care (SOC) therapy for 12 weeks or SOC alone. The primary study endpoint was the proportion of subjects that obtained complete wound closure at 12 weeks. Secondary endpoints included time to achieve complete wound closure at 12 weeks. In the modified intent-to-treat (mITT) analysis, 48% (32/67) treated with BBGFM plus SOC healed at 12 weeks compared to 24% (16/66) with SOC alone (p = 0.007). In the per protocol (PP) population, 73% (32/44) of subjects treated with BBGFM plus SOC healed versus 42% (16/38) in the SOC group (p = 0.007). Based on the success of this trial, BBGFM demonstrates faster healing of DFUs compared to SOC and should be considered in the treatment armamentarium for Wagner Grade 1 DFUs. Future trials should investigate the use of BBGFM for healing deeper chronic DFUs, other wound aetiologies, or complex surgical wounds.
Limited evidence exists regarding the effectiveness of learning approaches in supporting interprofessional wound care education transnationally. The aim of this pilot study was to explore the feasibility and preliminary impact of an international, online interprofessional masterclass in supporting baccalaureate health students' learning about wound care. Data were collected using multiple methods including quantitative survey, qualitative focus groups, and interviews with baccalaureate nursing, pharmacy, dietetics, podiatry and paramedicine students from two universities based in Australia and Northern Ireland. A retrospective pre-test design was used. A survey retrospectively assessed students' self-reported confidence and understanding before and after the masterclass, while qualitative methods explored students' experiences of interprofessional learning and wound care. Self-reported improvements in students' understanding of wound assessment and management, as well as heightened awareness of interprofessional contributions to patient care indicated the potential value of this interprofessional and international collaboration in supporting wound care education. Qualitative analysis identified four themes: recognising a wound is a person's wound; comparing international healthcare practices; fostering learner engagement; interprofessional recognition, acknowledgment, and understanding of each profession's roles, contributions and expertise. This pilot study has highlighted key issues to be addressed in future research examining the impact of a collaborative online international initiative on baccalaureate students' interprofessional learning about wound care.
Wound care remains a high-priority area for improvement in the Canadian health care system. Older adults aged 65 and older are disproportionately affected by chronic and non-healing wounds and often experience multiple co-morbid conditions, challenges which can be further complicated by living in rural and northern areas. A workshop-based multi-methods study was conducted to describe rural and northern perspectives on opportunities and feasibility to implement innovative wound care technologies. Each workshop included pre- and post- workshop surveys, a live demonstration of Swift Skin and Wound, a Q&A session, and facilitated discussion exploring the technology's feasibility, usability, and accessibility in northern and rural care contexts. Participants who volunteered for the study included care staff and healthcare executives (N = 11), described their perspectives on implementing AI-driven digital wound care management solutions with a focus on integration into health care settings. Three themes were identified including: confidence and optimism in improving wound care management, recognition of the superiority of AI-driven digital wound care solutions over current practices, and the importance of adaptable change processes for successful adoption. While generalizability may be limited, findings suggest that adopting AI-driven wound care tools could improve wound assessment accuracy and streamline care for aging populations in rural and northern areas.
Animal bites, primarily from dogs and cats, pose a significant threat, especially to children. Wound infections are common complications caused by bacterial flora in the animal's mouth, making surgical debridement and delayed primary closure the standard treatment. However, recent studies reported no increased infection rates with primary closure compared to delayed closure after adequate debridement, particularly for facial wounds. Primary closure offers better cosmetic and functional outcomes. This study presents a case series to guide decision-making on primary suturing versus leaving wounds exposed. Thirty patients with animal bites underwent surgery, including 23 dog bites and seven cat bites. Eight patients with deep facial lacerations from dog bites received immediate debridement and primary closure with epidermal and subcutaneous sutures. None developed infections, and the cosmetic results were excellent. In contrast, all seven cat bite wounds and nine infected dog bite wounds involved high-risk factors, such as puncture wounds, hand injuries or diabetes. For high-risk wounds, early debridement and leaving the wound open after initial treatment proved effective. Primary repair of facial dog bite injuries, even complex ones, is safe and yields good aesthetic outcomes. For high-risk wounds, leaving them open after debridement is recommended to minimise infection risks.
The opioid crisis has been exacerbated by xylazine, a veterinary sedative increasingly present in illicit drugs. Xylazine causes severe skin wounds that increase the risk of morbidity. Current wound classification systems fail to address the unique features of this injury, creating a need for a tailored assessment and treatment approach. We developed the HEAL-X classification system to standardise evaluation and treatment of xylazine-associated wounds. The system grades wounds using five criteria: History, Extent, Appearance, Location, and Xylazine-specific features. Grades range from 0 (normal skin) to 5 (underlying structure involvement). HEAL-X integrates principles from existing classifications while focusing on xylazine-specific pathology. This novel system was developed by an inter-disciplinary panel and requires empirical validation through clinical application and further research. HEAL-X provides a framework for grading xylazine-associated wounds, guiding treatment from lower-grade wounds to severe cases. This system aligns with the unique characteristics of xylazine wounds, offering a more tailored approach than any existing models individually. HEAL-X addresses a critical gap in managing xylazine-associated wounds. It offers a standardised tool to evaluate wound severity, guide treatment, and improve patient outcomes. As xylazine use rises and further research refines prognostic indicators and treatment outcomes, HEAL-X provides a framework on which to build.
Faecal contamination of sacral pressure ulcers occurs frequently, so, theoretically, faecal diversion using colostomies is a useful procedure. We retrospectively analysed the data of adult patients for whom colostomies were created to enhance wound healing and compared patients with sacral pressure ulcers who received colostomies and those who did not during the same period. Patients' characteristics analysed included age, gender, comorbidities, WBC count, serum CRP level and microbial profile (before creating colostomy). Additionally, we examined whether the wound was closed, the recurrence rate after wound closure, and mortality outcomes. Regression analysis indicated that colostomy creation was associated with fewer species of gut microbiota cultured and lower rates of wound dehiscence after closure; no association was found between colostomy and mortality. Colostomies help promote wound healing of sacral pressure ulcers after closure by eradicating wound infection, and do not increase patients' mortality rates.
Chronic and non-healing wounds are a global health issue with limited effective treatments. Wound care costs continue to rise, highlighting the need for new therapies. Medicinal plants, particularly African species, show promise for enhancing wound healing. This review analysed 93 studies and identified 37 relevant to wound healing, covering 39 plant species. Ten species were identified for their rich phytochemical content, specifically flavonoids, terpenoids, and alkaloids (plant-derived compounds). These compounds act synergistically, enhancing the wound healing process at each stage. Flavonoids reduce inflammation and support tissue turnover, while terpenoids enhance collagen production and wound closure. Alkaloids offer antimicrobial benefits and support wound contraction. Notable plants include Ageratum conyzoides and Aspilia africana (Asteraceae family); promoting haemostasis by lowering plasma fibrinogen and enhancing platelet-derived growth factors; Withania somnifera (Solanaceae); and Entada africana (Fabaceae), effectively regulating inflammation. In the proliferative phase, Ocimum gratissimum (Lamiaceae), Calendula officinalis (Asteraceae), and Centella asiatica (Apiaceae) although C. officinalis is native to Southern Europe, and C. asiatica an Asian-native; they are widely used in African traditional medicine and included here for their relevance in African wound healing practices; Justicia flava (Acanthaceae), Alternanthera sessilis (Amaranthaceae), and Acalypha indica (Euphorbiaceae); play key roles in enhancing collagen production, angiogenesis, and re-epithelialisation. This comprehensive analysis highlights the role of African medicinal plants in wound healing and their potential to improve wound care therapy.
Pyoderma gangrenosum (PG) is a neutrophilic dermatosis associated with significant morbidity and mortality, with no consensus treatment to date. To review all clinical trials of treatments for PG to synthesise clinical evidence regarding the efficacy and safety of different treatments. After PROSPERO (CRD42023459180) registration, we systematically searched five databases (clinicaltrials.gov, CENTRAL, Embase, PubMed and Scopus) up until 18th May 2024 for PG treatments. Of 10 579 identified articles, 5853 deduplicated abstracts were screened. Twenty studies met the screening criteria after a full text review of 60 articles. We assessed the risk of bias using ROBIN-I for non-randomised and ROB-2 for randomised trials. Two reviewers independently performed article screening and quality assessments. Two reviewers independently extracted and recorded data on study characteristics, participants' demographics, disease characteristics, treatment regimens, and outcomes for the selected studies. A single-arm meta-analysis of available RCTs and non-randomised studies was conducted to analyse the outcomes of different systemic immunomodulators. The primary outcome was the complete healing of PG. Secondary outcomes included rates of recurrence, treatment failure, adverse events and time to complete healing. A total of twenty (20) interventional studies were included in the data synthesis: nine (9) prospective open-label studies, six (6) prospective cohort studies, three (3) open-label clinical trials, and two (2) randomised controlled trials evaluating multiple biological, systemic, and topical interventions. On random effects meta-analysis of systemic therapies including adalimumab, canakinumab, infliximab, chlorambucil, cyclosporine, cyclophosphamide and prednisolone, the pooled proportion of complete healing across 11 studies was 0.59 (95% confidence interval [CI]: 0.41–0.74; Χ 2 = 26.66, p < 0.01; I 2 = 66%); the pooled proportion of PG recurrence across 6 studies was 0.30 (95% CI: 0.20–0.41; Χ 2 = 1.14, p = 0.95; I 2 = 0%); the pooled proportion of serious adverse effects from 4 studies was 0.10 (95% CI: 0.05–0.19; Χ 2 = 5.01, p = 0.17; I 2 = 40%); and the pooled proportion of PG treatment failure across seven studies was 0.36 (95% CI: 0.24–0.49; Χ 2 = 12.78, p = 0.03; I 2 = 61%). The proportion of complete wound healing varies significantly across treatments and recurrence is common even in a limited follow-up period. Heterogeneity of study methods and low numbers hamper disease research. There remains a significant unmet need for better outcome measures than just complete healing as well as better treatment options to improve patient outcomes.
The treatment of a chronic diabetic foot osteomyelitis (DFO) is challenging and often necessitates a surgical intervention. When the soft tissues are preserved from infection, an internal pedal amputation (IPA) defined as the excision of the totality of at least one bone could yield excellent results in terms of infection control and limb preservation. The diabetic sausage toe is an under-researched form of DFO. Therefore, the aim of this preliminary study is to report the outcomes of IPA for the treatment of chronic diabetic sausage toes. This is a case-series of six patients presenting as chronic diabetic DFO of the toes in the form of sausage toe. Five patients presented with an open ulcer and one with a healed wound. All patients were treated with IPA. Infection healing, x-rays and MRI findings, microbiology and pathology results, postoperative complications and patient satisfaction were recorded. Four out of the six cases (66.7%) presented clear radiological signs of chronic OM. All cases showed signs of OM on MRI. A bacterial micro-organism was found in 5 out of the 6 cases (83.3%) and all specimens showed signs of chronic inflammation on pathology. No infection recurrence was noted at the last follow-up. All postoperative wounds healed within 6 weeks. All patients were extremely satisfied with the surgical result. For chronic diabetic toe osteomyelitis in the form of a sausage toe, the toe-preserving technique of internal pedal amputation has the potential to control the infection while conserving an aesthetic and functional toe.
IV.
Electrical burns are among the most severe burn injuries, often leading to deep tissue damage, systemic complications, and prolonged hospitalisation. In Lebanon, limited national data on electrical burn injuries limits the understanding of their epidemiology and management. This study aims to assess the prevalence and characteristics of electrical burns in patients admitted to the specialised burn care unit in Geitaoui Hospital in Lebanon. A retrospective observational study was conducted by reviewing the medical records of patients admitted from 1st January 2011 to 31st December 2024. Data on demographics, burn characteristics, hospitalisation outcomes, infections, surgical interventions, and laboratory findings were extracted and analysed using SPSS version 26. Thirty patients were included, with a male predominance (96.7%) and the mean age was 29.6 years. Third-degree burns were observed in 70.0% of cases, and 66.7% of patients had burns affecting 10%–30% of their total body surface area. High-voltage injuries accounted for 50.0% of cases. Upper extremities were the most commonly affected site (93.3%). The mean hospital stay was 25.69 days, and the mortality rate was 10.0%. Infection was documented in 43.3% of cases. The most frequently isolated pathogens were Acinetobacter (20.0%) and Pseudomonas aeruginosa (16.7%). Surgical intervention was required in 63.3% of patients, most frequently skin grafting (36.7%). This study contributes national data on electrical burns and emphasises the importance of preventive and multidisciplinary care strategies.
Cutaneous anthrax is a zoonotic bacterial infection that mostly involves the head, neck, and upper extremities. Periorbital involvement of cutaneous anthrax is a rare presentation that can lead to severe irreversible complications. Herein, we describe a 2.5-year-old girl with periorbital anthrax cellulitis. She presented with a severe swelling on the right side of her face and an ulceronecrotic lesion above the right eyebrow. After receiving an appropriate antibiotic regimen, her condition improved and she was discharged without any intraocular complications.
Carbapenem-resistant Pseudomonas aeruginosa exacerbates the healing of chronic leg ulcer among patients. Further, production and dissemination of the carbapenemase genes are associated with P. aeruginosa high-risk sequence types. Hence, understanding the population structure of these organisms is essential for healthcare personnel to establish effective leg ulcers care management, prevention interventions and control strategies particularly in regions with poor diagnosis. A cross-sectional study included inpatients and outpatients with chronic leg ulcers was conducted from August 2022 to April 2023 in 2 hospitals in Kilimanjaro region. Antimicrobial susceptibility testing was done by using the disc diffusion method. Further, whole genome sequencing was performed to study the genotypic characteristics of the isolates. Ten of 92 participants were positive for genus Pseudomonas isolates upon culture during the study period. Ambler class D carbapenemase genes were carried in all 8 isolates, and class B (blaVIM−2$$ {\mathrm{bla}}_{\mathrm{VIM}-2} $$, blaDIM−1$$ {\mathrm{bla}}_{\mathrm{DIM}-1} $$) in 2 isolates. The tree topology showed that all 8 P. aeruginosa isolates that carried any of the Ambler carbapenemase genes were in one clade with the reference strain PAO1. This study sheds light on different carbapenemase gene types (VIM-2, DIM-1, and OXA-types) harboured in the denominated global high-risk and endemic sequence types in 2 tertiary hospitals in northern Tanzania, alarming the possibility of a prolonged healing process and a high risk of treatment failure among patients because of the increased spread of antimicrobial resistance. Further, the findings underscore the need for antimicrobial surveillance to guide healthcare personnel in managing chronic leg ulcers for better patient outcomes and the implementation of antimicrobial stewardship programs.
We aimed to systematically review and quantify risk factors for first-ever diabetes-related foot ulcer (DFU). Four English and three Chinese electronic databases were searched for cohort and case–control studies reporting risk factors for first-ever DFU. Two researchers independently screened titles, abstracts and full text, extracted data and assessed the quality of included studies. Meta-analyses were performed for risk factors reported in at least two studies, using unadjusted odds ratios and standardised mean differences for dichotomous and continuous variables. Of 6736 potential studies screened, 23 were included in the meta-analysis and 24 in the systematic review. Twenty-eight significant risk factors for first-ever DFU were identified, including older age, obesity, male gender, unmarried status, alcohol consumption, current smoking, insufficient physical activity, longer diabetes duration, increased HbA1c, fasting plasma glucose, creatinine and triglyceride, decreased eGFR and high-density lipoprotein, high vibration perception threshold, albuminuria, low ankle-brachial pressure index ratio, cardiovascular, cerebrovascular and peripheral artery disease, retinopathy, nephropathy, neuropathy, myocardial infarction, foot deformity, skin dryness, insulin treatment and anti-hypertensive treatment. This study provides the first comprehensive synthesis of risk factors for first-ever DFU. Identifying high-risk individuals based on these factors can enhance early intervention strategies, reducing the burden of DFU in diabetes management.
This study aimed to compare the 3-year recurrence rates of diabetic foot ulcers (DFU) and the rate of endovascular reintervention for chronic limb-threatening ischaemia (CLTI) to recurrence rates of advanced-stage cancers. We systematically collected original data reporting 3-year DFU recurrence from studies published through 2024 and calculated a pooled mean. These findings were compared to recurrence rates for advanced breast, prostate, colorectal, and lung cancers using contemporary sources from the National Cancer Institute and American Cancer Society. CLTI reintervention data were drawn from the BEST-CLI trial. The pooled 3-year DFU recurrence rate was 58%, while the CLTI reintervention rate was 50%—comparable to cancer recurrence rates: breast (25%–40%), prostate (30%–40%), colorectal (30%–50%), and lung (60%–80%). Despite these comparable risks, DFU and CLTI remain underrecognized in terms of their recurrent burden on individuals, families, and health systems. The data presented here underscore the need to reframe healed DFU and post-intervention CLTI not as an endpoint but as a remission—a state requiring structured surveillance and proactive management, much like in oncology. Developing interdisciplinary survivorship care plans for individuals with DFU and CLTI, modelled on those used in cancer care, may improve communication, enhance secondary prevention, and foster more ulcer-free, hospital-free, and activity-rich days.
The classification of wound care products as form-stable dressings remains challenging due to the lack of objective and quantitative, material-science-based criteria. This study introduces a rheological testing framework to determine form stability of wound dressing materials. Using dynamic, oscillatory shear rheology, we evaluated the viscoelastic properties and responses of two tube-dispensed model dressings and compared them to those of honey, a high-viscosity liquid used in wound ointments. Measurements of the material storage modulus, loss modulus and phase angle demonstrated that both model dressings exhibit predominantly solid-like responses, confirming their classification as form-stable wound dressings despite being applied from a tube. The notably low phase angles of these dressings indicate structural integrity, which is essential for the mechanical protection of wounds; honey exhibited a liquid response and a high phase angle, without structural integrity. The reported laboratory method and findings support the implementation of rheological classification as a standardised, objective and quantitative approach for wound care product categorisation, independent of the packaging or application mode. Importantly, this study establishes a foundation for a material-science-driven classification framework, with implications for informed clinical decision-making and reimbursement policies.
Chronic wounds may develop when there is a delay or disturbance in one of the stages of the healing process, presenting challenging financial, clinical, and quality-of-life costs. Therefore, continuous efforts have been made to develop dressings that optimise wound healing. In recent years, nanotechnology has revolutionised wound care, enabling the development of innovative materials with high efficiency that positively impact the healing process. Nanoparticles have been extensively used in wound dressings because of their specific properties, such as a high surface area-to-volume ratio, increased surface reactivity, and improved biocompatibility, representing a unique tissue repair tool. This review article addresses advances in the use of organic nanoparticles in the field of skin regeneration, considering papers published in the last 5 years, and highlighting the effects of this class of materials on the wound healing process. The analysis of the literature shows that the materials being considered are carbon-based and organic materials, including polymeric, cellulosic, lipid, and liposome nanoparticles, which are covered in this review (inorganic nanoparticles are not considered). Furthermore, important aspects to prevent the development of chronic wounds are presented, as well as general characteristics of wounds, the healing process, and their particularities.
Endotracheal intubation is a crucial intervention for mechanically ventilated patients in the intensive care unit (ICU). However, the presence of the tube and bite block in the mouth significantly raises the risk of mucosal pressure injuries (MMPI) and other oral complications. These complications not only compromise oral health but also prolong hospitalisation and increase medical costs. Despite advances in airway management, effective solutions to mitigate these risks remain limited. Few studies have explored reducing mucosal pressure and improving oral health by optimising the design and reducing the volume of oral devices. Therefore, this study aimed to design and evaluate a novel nested tracheal tube device to reduce oral MMPI and improve oral health outcomes in intubated patients. A prospective, non-blinded, randomised, parallel-controlled intervention study was conducted, involving 151 patients who were intubated for more than 48 h. Participants were randomly assigned into two groups: the intervention group (n = 75), which received the novel nested tracheal tube device, and the control group (n = 76), which received the standard endotracheal tube with bite block. The primary outcome measure was the incidence of MMPI. Secondary outcomes included the Beck Oral Health Score, plaque index, ventilator-associated pneumonia (VAP) and costs. Compared to the standard group, the nested tracheal tube group showed a significant reduction in MMPI (χ 2 = 8.796, p < 0.05). In addition, the nested tracheal tube group demonstrated significantly better outcomes in Beck Oral Health Scores (Z = −2.948, p < 0.05) and plaque index (Z = −2.010, p < 0.05), indicating improvements in oral function and hygiene. However, there were no significant differences between the two groups in VAP incidence and average daily ICU costs (p > 0.05). The nested tracheal tube effectively reduces localised pressure on oral tissues and improves oral function, offering a practical solution to mitigate MMPI in mechanically ventilated patients and enhance their oral health outcomes.
Renal disease, including chronic kidney disease (CKD) and end-stage renal disease (ESRD), has a profound impact on wound healing. Multiple studies have demonstrated that renal disease leads to an increased risk of diabetic foot ulcers, the formation of unique wounds like calciphylaxis, slower wound healing and a higher risk of amputation. This review details the interrelated mechanisms by which renal disease impacts wound healing. Motor and sensory neuropathies contribute to wound formation via foot deformities and decreased sensation. Neuropathies also decrease neuropeptide release, impairing angiogenesis and inflammatory regulation. Accumulation of uremic toxins in renal disease leads to vessel wall calcification, impairing blood supply and predisposing patients to calciphylaxis. Vitamin and mineral deficiencies lead to impaired clotting, development of a chronic inflammatory state and decreased collagen production. Renal disease and its comorbidities are also associated with immune dysregulation, increasing the risk of wound infections and promoting the persistence of pro-inflammatory macrophages. While hypoxia-inducible factor-1α (HIF-1α) promotes angiogenesis under hypoxic conditions in normal wound healing, oxidative stress and chronic hypoxia in renal disease generate an environment that compromises the activity of HIF-1α. Inadequate erythropoietin response to hypoxia also leads to anaemia, further impairing oxygen delivery to wound sites. Clinically, these factors result in increased 10-year mortality for patients with DFU and CKD compared to those with DFU alone, both with and without amputation. We must utilise our understanding of the pathophysiology of impaired wound healing in renal disease to target preventative measures, optimise treatment and improve overall outcomes.
The aim of this scoping review was to map the literature pertaining to the use of eHealth interventions to prevent pressure injuries in populations at risk of the complication, and describe the interventions encountered with the help of Greenhalgh et al.'s Nonadoption, Abandonment, Scale-up, Spread and Sustainability framework. Articles were retrieved using database queries to CINAHL, Medline, ScienceDirect and the Cochrane library with a search string strategy that considered articles from the inception of each database until the 29th of January 2024. The interventions from the 27 included studies were then evaluated using the Nonadoption, Abandonment, Scale-up, Spread and Sustainability framework. The included studies had a publication date range from 1997 to 2023 and included diverse study designs encompassing experimental trials, qualitative designs, mixed-methods, cohort studies and randomised control trials (including secondary analyses). There was a preference for app-based interventions (15/27) that are installed on smartphones, while other interventions encompassed a bed with sensors that automatically adjusted air cell pressure, clinical support algorithms and continuous sensing devices. In conclusion, this scoping review provides an overview of the various technological solutions currently available for pressure injury prevention as well as recommendations for improving the long-term adoption of future eHealth interventions.
Chronic wounds decrease patients' quality of life and pose an economic burden on healthcare systems and individuals. Wound assessment tools and monitoring technologies may reduce the costs related to chronic wound management. Bioimpedance has attracted growing attention as a quantitative tool for monitoring chronic ulcers, owing to its proven ability to detect tissue changes throughout the wound healing process. The main objective of this study was to review the state-of-the-art literature on the use of bioimpedance in chronic wound monitoring. A systematic review of literature was performed on the 30th of August 2024 according to PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines in three electronic databases (PubMed, Scopus and Web of Science). Sixteen studies were included in the systematic review. Studies on bioimpedance measurements for chronic lower leg wound monitoring were analysed, confirming significant differences in bioimpedance between wound and healthy skin, with changes observed throughout the healing process. The variety of electrode types and setups highlights the method's complexity, with electrode configuration playing a critical role in ensuring accurate results. Several challenges remain before it can be effectively implemented in clinical practice. Our review emphasises the potential usefulness of bioimpedance-based methods in monitoring chronic wounds on the lower legs.
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