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Cay G, Finco M, Garcia J, McNitt-Gray JL, Armstrong DG, Najafi B. Towards a Remote Patient Monitoring Platform for Comprehensive Risk Evaluations for People with Diabetic Foot Ulcers. SENSORS (BASEL, SWITZERLAND) 2024; 24:2979. [PMID: 38793835 PMCID: PMC11124849 DOI: 10.3390/s24102979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 04/28/2024] [Accepted: 05/06/2024] [Indexed: 05/26/2024]
Abstract
Diabetic foot ulcers (DFUs) significantly affect the lives of patients and increase the risk of hospital stays and amputation. We suggest a remote monitoring platform for better DFU care. This system uses digital health metrics (scaled from 0 to 10, where higher scores indicate a greater risk of slow healing) to provide a comprehensive overview through a visual interface. The platform features smart offloading devices that capture behavioral metrics such as offloading adherence, daily steps, and cadence. Coupled with remotely measurable frailty and phenotypic metrics, it offers an in-depth patient profile. Additional demographic data, characteristics of the wound, and clinical parameters, such as cognitive function, were integrated, contributing to a comprehensive risk factor profile. We evaluated the feasibility of this platform with 124 DFU patients over 12 weeks; 39% experienced unfavorable outcomes such as dropout, adverse events, or non-healing. Digital biomarkers were benchmarked (0-10); categorized as low, medium, and high risk for unfavorable outcomes; and visually represented using color-coded radar plots. The initial results of the case reports illustrate the value of this holistic visualization to pinpoint the underlying risk factors for unfavorable outcomes, including a high number of steps, poor adherence, and cognitive impairment. Although future studies are needed to validate the effectiveness of this visualization in personalizing care and improving wound outcomes, early results in identifying risk factors for unfavorable outcomes are promising.
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Affiliation(s)
- Gozde Cay
- Digital Health and Access Center (DiHAC), Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX 77030, USA; (G.C.)
| | - M.G. Finco
- Digital Health and Access Center (DiHAC), Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX 77030, USA; (G.C.)
| | - Jason Garcia
- Southwestern Academic Limb Salvage Alliance (SALSA), Department of Surgery, Keck School of Medicine of University of Southern California, Los Angeles, CA 90033, USA
| | - Jill L. McNitt-Gray
- Department of Biological Sciences, Dornsife College of Letters, Arts and Sciences, University of Southern California, Los Angeles, CA 90007, USA
- Department of Biomedical Engineering, Viterbi School of Engineering, University of Southern California, Los Angeles, CA 90007, USA
| | - David G. Armstrong
- Southwestern Academic Limb Salvage Alliance (SALSA), Department of Surgery, Keck School of Medicine of University of Southern California, Los Angeles, CA 90033, USA
| | - Bijan Najafi
- Digital Health and Access Center (DiHAC), Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX 77030, USA; (G.C.)
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Surmann J, Meyer P, Epple J, Schmitz-Rixen T, Böckler D, Grundmann RT. Long-Term Outcome of Lower Extremity Bypass Surgery in Diabetic and Non-Diabetic Patients with Critical Limb-Threatening Ischaemia in Germany. Biomedicines 2023; 12:38. [PMID: 38255145 PMCID: PMC10813329 DOI: 10.3390/biomedicines12010038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 12/09/2023] [Accepted: 12/18/2023] [Indexed: 01/24/2024] Open
Abstract
AIM To present the short- and long-term outcomes of lower extremity bypass (LEB) surgery in patients with critical limb-threatening ischaemia (CLTI), comparing diabetic (DM) and non-diabetic (non-DM) patients. METHODS Retrospective analysis of anonymised data from a nationwide health insurance company (AOK). Data from 22,633 patients (DM: n = 7266; non-DM: n = 15,367; men: n = 14,523; women: n = 8110; mean patient age: 72.5 years), who underwent LEB from 2010 to 2015, were analysed. The cut-off date for follow-up was December 31, 2018 (mean follow-up period: 55 months). RESULTS Perioperative mortality was 10.0% for DM and 8.2% for non-DM (p < 0.001). Patients with crural/pedal bypasses (n = 8558) had a significantly higher perioperative mortality (10.3%) than those with above-the-knee (n = 7246; 5.8%; p < 0.001) and below-the-knee bypasses (n = 6829; 8.9%; p = 0.003). The 9-year survival rates in DM patients were significantly worse, at 21.5%, compared to non-DM, at 31.1% (p < 0.001). This applied to both PAD stage III (DM: 34.4%; non-DM: 45.7%; p < 0.001) and PAD stage IV (DM: 18.5%; non-DM: 25.0%; p < 0.001). Patients with crural/pedal bypasses had a significantly inferior survival rate (25.5%) compared to those with below-the-knee (27.7%; p < 0.001) and above-the-knee bypasses (31.7%; p < 0.001). CONCLUSION Perioperative and long-term outcomes regarding survival and major amputation rate for CLTI patients undergoing LEB are consistently worse for DM patients compared to non-DM patients.
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Affiliation(s)
- Johanna Surmann
- Department of Vascular and Endovascular Surgery, University Hospital Heidelberg, 69120 Heidelberg, Germany; (J.S.); (P.M.); (D.B.)
| | - Philipp Meyer
- Department of Vascular and Endovascular Surgery, University Hospital Heidelberg, 69120 Heidelberg, Germany; (J.S.); (P.M.); (D.B.)
| | - Jasmin Epple
- Department of Vascular and Endovascular Surgery, University Hospital Frankfurt am Main, 60596 Frankfurt am Main, Germany;
| | - Thomas Schmitz-Rixen
- Department of Vascular and Endovascular Surgery, Goethe University Frankfurt, 60629 Frankfurt am Main, Germany;
| | - Dittmar Böckler
- Department of Vascular and Endovascular Surgery, University Hospital Heidelberg, 69120 Heidelberg, Germany; (J.S.); (P.M.); (D.B.)
| | - Reinhart T. Grundmann
- German Institute for Vascular Healthcare Research (DIGG), German Society for Vascular Surgery and Vascular Medicine, 10115 Berlin, Germany
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Blanchette V, Patry J, Brousseau-Foley M, Todkar S, Libier S, Leclerc AM, Armstrong DG, Tremblay MC. Diabetic foot complications among Indigenous peoples in Canada: a scoping review through the PROGRESS-PLUS equity lens. Front Endocrinol (Lausanne) 2023; 14:1177020. [PMID: 37645408 PMCID: PMC10461566 DOI: 10.3389/fendo.2023.1177020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 07/18/2023] [Indexed: 08/31/2023] Open
Abstract
Introduction Indigenous peoples in Canada face a disproportionate burden of diabetes-related foot complications (DRFC), such as foot ulcers, lower extremity amputations (LEA), and peripheral arterial disease. This scoping review aimed to provide a comprehensive understanding of DRFC among First Nations, Métis, and Inuit peoples in Canada, incorporating an equity lens. Methods A scoping review was conducted based on Arksey and O'Malley refined by the Joanna Briggs Institute. The PROGRESS-Plus framework was utilized to extract data and incorporate an equity lens. A critical appraisal was performed, and Indigenous stakeholders were consulted for feedback. We identified the incorporation of patient-oriented/centered research (POR). Results Of 5,323 records identified, 40 studies were included in the review. The majority of studies focused on First Nations (92%), while representation of the Inuit population was very limited populations (< 3% of studies). LEA was the most studied outcome (76%). Age, gender, ethnicity, and place of residence were the most commonly included variables. Patient-oriented/centered research was mainly included in recent studies (16%). The overall quality of the studies was average. Data synthesis showed a high burden of DRFC among Indigenous populations compared to non-Indigenous populations. Indigenous identity and rural/remote communities were associated with the worse outcomes, particularly major LEA. Discussion This study provides a comprehensive understanding of DRFC in Indigenous peoples in Canada of published studies in database. It not only incorporates an equity lens and patient-oriented/centered research but also demonstrates that we need to change our approach. More data is needed to fully understand the burden of DRFC among Indigenous peoples, particularly in the Northern region in Canada where no data are previously available. Western research methods are insufficient to understand the unique situation of Indigenous peoples and it is essential to promote culturally safe and quality healthcare. Conclusion Efforts have been made to manage DRFC, but continued attention and support are necessary to address this population's needs and ensure equitable prevention, access and care that embraces their ways of knowing, being and acting. Systematic review registration Open Science Framework https://osf.io/j9pu7, identifier j9pu7.
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Affiliation(s)
- Virginie Blanchette
- Department of Human Kinetics and Podiatric Medicine, Université du Québec à Trois-Rivières, Trois-Rivières, QC, Canada
- VITAM-Centre de Recherche en Santé Durable, Québec, QC, Canada
- Centre de Recherche du Centre Intégré de Santé et Services Sociaux de Chaudière-Appalaches, Lévis, QC, Canada
| | - Jérôme Patry
- Centre de Recherche du Centre Intégré de Santé et Services Sociaux de Chaudière-Appalaches, Lévis, QC, Canada
- Faculty of Medicine, Family and Emergency Medicine Department, Université Laval, Québec, QC, Canada
| | - Magali Brousseau-Foley
- Department of Human Kinetics and Podiatric Medicine, Université du Québec à Trois-Rivières, Trois-Rivières, QC, Canada
- Faculty of Medicine, Centre Intégré Universitaire de Santé et de Services Sociaux de la Mauricie et du Centre-du-Québec Affiliated with Université de Montréal, Trois-Rivières Family Medicine University Clinic, Trois-Rivières, QC, Canada
| | - Shweta Todkar
- Department of Nursing, Université du Québec à Trois-Rivières, Trois-Rivières, QC, Canada
| | - Solène Libier
- Department of Human Kinetics and Podiatric Medicine, Université du Québec à Trois-Rivières, Trois-Rivières, QC, Canada
| | - Anne-Marie Leclerc
- Department of Nursing, Université du Québec à Trois-Rivières, Trois-Rivières, QC, Canada
| | - David G. Armstrong
- Southwestern Academic Limb Salvage Alliance (SALSA), Department of Surgery, Keck School of Medicine of University of Southern California, Los Angeles, CA, United States
| | - Marie-Claude Tremblay
- VITAM-Centre de Recherche en Santé Durable, Québec, QC, Canada
- Faculty of Medicine, Family and Emergency Medicine Department, Université Laval, Québec, QC, Canada
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Lorenz EC, Hickson LJ, Khairallah P, Najafi B, Kennedy CC. Cellular Senescence and Frailty in Transplantation. CURRENT TRANSPLANTATION REPORTS 2023; 10:51-59. [PMID: 37576589 PMCID: PMC10414789 DOI: 10.1007/s40472-023-00393-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/16/2023] [Indexed: 03/28/2023]
Abstract
Purpose of review To summarizes the literature on cellular senescence and frailty in solid-organ transplantation and highlight the emerging role of senotherapeutics as a treatment for cellular senescence. Recent findings Solid-organ transplant patients are aging. Many factors contribute to aging acceleration in this population, including cellular senescence. Senescent cells accumulate in tissues and secrete proinflammatory and profibrotic proteins which result in tissue damage. Cellular senescence contributes to age-related diseases and frailty. Our understanding of the role cellular senescence plays in transplant-specific complications such as allograft immunogenicity and infections is expanding. Promising treatments, including senolytics, senomorphics, cell-based regenerative therapies, and behavioral interventions, may reduce cellular senescence abundance and frailty in patients with solid-organ transplants. Summary Cellular senescence and frailty contribute to adverse outcomes in solid-organ transplantation. Continued pursuit of understanding the role cellular senescence plays in transplantation may lead to improved senotherapeutic approaches and better graft and patient outcomes.
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Affiliation(s)
| | - LaTonya J. Hickson
- Division of Nephrology and Hypertension, Mayo Clinic, Jacksonville, Florida
| | | | - Bijan Najafi
- Division of Vascular Surgery and Endovascular Therapy, Baylor College of Medicine, Houston, Texas
| | - Cassie C. Kennedy
- Division of Pulmonary, Critical Care, and Sleep Medicine, Mayo Clinic, Rochester, Minnesota
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Beauchesne N, Wagenaar-Tison A, Brousseau-Foley M, Moisan G, Cantin V, Blanchette V. Using a contralateral shoe lift to reduce gait deterioration during an offloading fast-walk setting in diabetic peripheral neuropathy: A comparative feasibility study. Diabetes Res Clin Pract 2023; 199:110647. [PMID: 37003479 DOI: 10.1016/j.diabres.2023.110647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Revised: 03/10/2023] [Accepted: 03/24/2023] [Indexed: 04/01/2023]
Abstract
AIMS Diabetic peripheral neuropathy (DPN) is a predictor of foot ulcers and leads to sedentary behaviour. This comparative study evaluated gait and feasibility of a 20-minute fast walk, at 40-60% of cardiopulmonary capacity, in individuals with DPN wearing an offloading boot and a contralateral shoe balancer. METHODS Gait parameters were measured with inertial sensors on 32 individuals (group with DPN [n = 16], group with diabetes but without DPN [n = 9], and a group without diabetes/DPN [n = 7]). Feasibility was assessed by feedback on perceived effort and adverse events. Gait outcomes were compared between groups with or without a shoe balancer using one-way ANOVAs. RESULTS The three groups were equivalent in terms of activity level and age and gender except for the body mass index. Both groups with diabetes exhibited minimal decreased gait speed (p > 0.005) and the DPN group exhibited increased double-support percentage (+4.6%, p = 0.01) while walking with an offloading boot and contralateral shoe balancer. The use of a contralateral shoe balancer reduced gait asymmetry. Lower physical activity level was associated with further gait deterioration in all groups. Few adverse events were reported, and 91% of participants reported that the proposed activity would be feasible daily. CONCLUSIONS The offloading boot deteriorated gait function, but a contralateral shoe balancer minimized its impact, especially in the context of physical activity in people with diabetes and DPN.
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Affiliation(s)
- Nikolas Beauchesne
- Department of Human Kinetics and Podiatric Medicine, Université du Québec à Trois-Rivières, 3351, boul. des Forges, C.P. 500, Trois-Rivières G9A 5H7, Canada
| | | | - Magali Brousseau-Foley
- Department of Human Kinetics and Podiatric Medicine, Université du Québec à Trois-Rivières, 3351, boul. des Forges, C.P. 500, Trois-Rivières G9A 5H7, Canada; Centre intégré universitaire de santé et de services sociaux de la Mauricie et du Centre-du-Québec (CIUSSS-MCQ) affiliated to Université de Montréal, Faculty of Medicine, Trois-Rivières Family Medicine University Clinic, 731, rue Ste-Julie, 2nd Floor, Trois- Rivières G9A 1X9, Canada
| | - Gabriel Moisan
- Department of Human Kinetics and Podiatric Medicine, Université du Québec à Trois-Rivières, 3351, boul. des Forges, C.P. 500, Trois-Rivières G9A 5H7, Canada
| | - Vincent Cantin
- Department of Human Kinetics and Podiatric Medicine, Université du Québec à Trois-Rivières, 3351, boul. des Forges, C.P. 500, Trois-Rivières G9A 5H7, Canada
| | - Virginie Blanchette
- Department of Human Kinetics and Podiatric Medicine, Université du Québec à Trois-Rivières, 3351, boul. des Forges, C.P. 500, Trois-Rivières G9A 5H7, Canada; Centre de recherche du Centre intégré de santé et services sociaux de Chaudière-Appalaches (CISSS-CA), 143 rue Wolfe, Lévis G6V 3Z1, Canada; VITAM - Sustainable Health Research Centre, 2480, Rue de la Carnardière, Québec G1J 2G1, Canada.
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