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Orkin R, Sharma A, Armstrong DG, John JV. Current and Future Directions in Fluorescence Imaging Guided Debridement. Adv Wound Care (New Rochelle) 2024. [PMID: 38970426 DOI: 10.1089/wound.2024.0067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/08/2024] Open
Abstract
Sterility and reduction of the bioburden are crucial for healing in chronic wounds such as diabetic foot ulcers (DFU). Although there are methods for measuring bioburdens, such as semi-quantitative analysis of swab/biopsy samples, microbiological sampling, and molecular diagnostics, these tools are less accessible owing to costs or not being as quick as other methods. These methods are also dependent on clinical assessment by the clinician, and high bacterial burden may appear asymptomatic. Autofluorescence (AF) imaging is a novel technology for identifying and quantifying chronic inhibitory bacterial load (CIBL) in chronic wounds. 87% of bacteria that frequent chronic wounds have fluorophores that fluoresce under violet light as red or cyan, depending on the type of fluorophore. Therefore, AF image-guided treatment is becoming increasingly effective for physicians to implement wound dressing changes and debridement because bacterial burdens are difficult to locate clinically. Products such as the commercially available MolecuLight i:X and MolecuLight DX function as handheld cameras for physicians to use as a reference but require additional work to ensure that the photo will be taken with adequate lighting. Designs for Vision Inc. introduced a device called REVEAL, an AF imaging form factor that allows the device to be worn on top of a pair of glasses, which the physician would wear intraoperatively. The benefits of this form factor include not requiring certain lighting conditions and not having to interpret the results using a handheld camera, allowing the device to be used during active surgical debridement.
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Affiliation(s)
- Rachael Orkin
- University of Southern California Keck School of Medicine, Los Angeles, California, United States;
| | - Arjun Sharma
- University of Southern California Keck School of Medicine, Los Angeles, California, United States;
| | - David G Armstrong
- University of Southern California Keck School of Medicine, Los Angeles, California, United States;
| | - Johnson V John
- Terasaki institute for Biomedical Innovation, 21100 Erwin Street, Los Angeles, Los Angeles, California, United States, 91367;
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Shen Q, Li B, Chen H, Gao S, Hu Y, Sun Y, Li G. Podiatrist intervention could reduce the incidence of foot ulcers in patients with diabetes: a hospital survey in China. J Wound Care 2024; 33:S25-S32. [PMID: 38573950 DOI: 10.12968/jowc.2024.33.sup4.s25] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/06/2024]
Abstract
OBJECTIVE This study aimed to evaluate the effectiveness of podiatrists in preventing diabetic foot ulcers (DFUs) in China. METHOD The study was a prospective investigation. A total of 300 patients were enrolled from May 2016 to May 2018 in Handan Central Hospital, China. All patients who participated in this study had been diagnosed with type 2 diabetes, according to the International Classification of Diseases (ICD-10). All participants underwent our survey, which included basic patient data and information about DFUs. The patients were followed for one year, during which time they received appropriate intervention from podiatrists, including lifestyle guidance, callus resection, tinea grinding and ingrown nail correction. At the end of the year all the patients were surveyed again. The data before and after the year were statistically compared. RESULTS The results showed that the incidence of DFUs in patients with diabetes was significantly decreased after one year of intervention from podiatrists (20.7% versus 6.7%, p<0.001). Additionally, there was a negative correlation between the number of intervention visits and the number of DFU occurrences (Spearman correlation coefficient: -0.496, p<0.001). Furthermore, we found that 68 patients with a history of DFUs or amputation had an obviously reduced incidence of DFUs after intervention by a podiatrist (89.7% versus 27.9%, p<0.001). We also investigated other foot risk factors in all participants, such as limb neuropathy (76.3%), lower extremity vascular disease (65.7%) and foot paralysis (43.7%). CONCLUSION The results of this study help in understanding the situation of patients with diabetes in China and to prove that standardised podiatrist intervention has an important role in inhibiting the occurrence and development of DFUs.
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Affiliation(s)
- Qian Shen
- School of Foreign Studies of Zhongnan University of Economics and Law; Wuhan, China
| | - Binghui Li
- Department of Wound Repair Surgery, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Huating Chen
- Department of Wound Repair Surgery, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Suwen Gao
- Department of Endocrinology, Handan Central Hospital, Handan, China
| | - Yingyue Hu
- Department of Wound Repair Surgery, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yi Sun
- School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Gongchi Li
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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van Netten JJ, Apelqvist J, Bus SA, Fitridge R, Game F, Monteiro-Soares M, Senneville E, Schaper NC. The International Working Group on the Diabetic Foot: Stories and Numbers Behind Three Decades of Evidence-Based Guidelines for the Management of Diabetes-Related Foot Disease. Diabetes Ther 2024; 15:19-31. [PMID: 37971638 PMCID: PMC10786793 DOI: 10.1007/s13300-023-01510-5] [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: 10/24/2023] [Accepted: 11/02/2023] [Indexed: 11/19/2023] Open
Abstract
Foot disease is a devastating complication of diabetes. For almost 3 decades, the mission of the International Working Group on the Diabetic Foot (IWGDF) is to produce evidence-based guidelines to inform health care providers worldwide on strategies for the prevention and management of diabetes-related foot disease. In this publication, we aim to better inform the reader about 'the story behind' the IWGDF Guidelines and thus facilitate improved uptake of the recommendations described in the guidelines. The first IWGDF Guidelines were published in 1999, and these have been successfully updated every 4 years since. With each update, IWGDF has improved the methodological rigour and extended the topics covered. This has been possible thanks to the involvement of > 100 experts from > 60 countries, all voluntarily dedicating their time. We estimate that the 2023 update of the IWGDF Guidelines required a total 10 years of full-time work, which would have cost 2 million euros if the voluntary work had been financially compensated. The IWGDF Guidelines are not only published in English but also translated to support local implementation. Currently available translations serve 2.9 billion people globally in their native language. As an independent and multidisciplinary organisation, IWGDF hopes that the 2023 update will continue to stimulate clinicians from all different disciplines to deliver the best care possible for these patients, will motivate researchers to undertake the high-quality trials needed to deliver the new evidence to advance the field further, and collectively will support people with diabetes-related foot disease to minimize their disease burdens.
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Affiliation(s)
- Jaap J van Netten
- Department of Rehabilitation Medicine, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands.
- Program Rehabilitation, Amsterdam Movement Sciences, Amsterdam, The Netherlands.
| | - Jan Apelqvist
- Department of Endocrinology, University Hospital of Malmö, Malmö, Sweden
| | - Sicco A Bus
- Department of Rehabilitation Medicine, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
- Program Rehabilitation, Amsterdam Movement Sciences, Amsterdam, The Netherlands
| | - Robert Fitridge
- Faculty of Health and Medical Sciences, University of Adelaide, Vascular and Endovascular Surgery Service, Royal Adelaide Hospital, Adelaide, Australia
| | - Fran Game
- Department of Diabetes and Endocrinology, University Hospitals of Derby and Burton NHS Foundation Trust, Derby, UK
| | - Matilde Monteiro-Soares
- Portuguese Red Cross School of Health-Lisbon, Lisbon, Portugal
- MEDCIDS-Departamento de Medicina da Comunidade Informação e Decisão em Saúde, Faculty of Medicine of the University of Porto, Porto, Portugal
- RISE@ CINTESIS, Faculty of Medicine, Oporto University, Porto, Portugal
| | - Eric Senneville
- Department of Infectious Diseases, Gustave Dron Hospital, Tourcoing, France
- Univ-Lille, Lille, France
| | - Nicolaas C Schaper
- Division of Endocrinology, MUMC+, CARIM and CAPHRI Institute, Maastricht, The Netherlands
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OuYang H, Tang Y, Yang F, Ren X, Yang J, Cao H, Yin Y. Platelet-rich plasma for the treatment of diabetic foot ulcer: a systematic review. Front Endocrinol (Lausanne) 2023; 14:1256081. [PMID: 38169990 PMCID: PMC10760804 DOI: 10.3389/fendo.2023.1256081] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 11/23/2023] [Indexed: 01/05/2024] Open
Abstract
Background With the increasing incidence of diabetes, diabetic foot ulcer(DFU) has become one of the most common and serious complications in people with diabetes. DFU is associated with significant morbidity and mortality, and can also result in significant economic, social and public health burdens. Due to peripheral neuropathy, peripheral vascular disease, hyperglycemic environment, inflammatory disorders and other factors, the healing of DFU is impaired or delayed, resulting in the formation of diabetic chronic refractory ulcer. Because of these pathological abnormalities in DFU, it may be difficult to promote wound healing with conventional therapies or antibiotics, whereas platelet-rich plasma(PRP) can promote wound healing by releasing various bioactive molecules stored in platelets, making it more promising than traditional antibiotics. Therefore, the purpose of this systematic review is to summarize and analyze the efficacy of PRP in the treatment of DFU. Methods A literature search was undertaken in PubMed, CNKI, EMB-ASE, the Cochrane Library, the WanFang Database and the WeiPu Database by computer. Included controlled studies evaluating the efficacy of PRP in the treatment of diabetic foot ulcers. The data extraction and assessment are on the basis of PRISMA. Results Twenty studies were evaluated, and nineteen measures for the evaluation of the efficacy of PRP in DFU treatment were introduced by eliminating relevant duplicate measures. The efficacy measures that were repeated in various studies mainly included the rate of complete ulcer healing, the percentage of ulcer area reduction, the time required for ulcer healing, wound complications (including infection rate, amputation rate, and degree of amputation), the rate of ulcer recurrence, and the cost and duration of hospitalization for DFU, as well as subsequent survival and quality of life scores. One of the most important indicators were healing rate, ulcer area reduction and healing time. The meta-analysis found that PRP was significantly improve the healing rate(OR = 4.37, 95% CI 3.02-6.33, P < 0.001) and shorten the healing time(MD = -3.21, 95% CI -3.83 to -2.59,P < 0.001)of patients with DFU when compared to the conventional treatment, but there was no significant difference in reducing the of ulcer area(MD = 5.67, 95% CI -0.77 to 12.11,P =0.08>0.05 ). Conclusion The application of PRP to DFU can improve ulcer healing rate and shorten ulcer healing time, but more clinical data are needed to clarify some efficacy measures. At the same time, a standardized preparation process for PRP is essential.
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Affiliation(s)
- Hong OuYang
- Geriatric Diseases Institute of Chengdu, Department of Endocrine and Metabolism, Chengdu Fifth People’s Hospital (The Second Clinical Medical College, Affiliated Fifth People’s Hospital of Chengdu University of Traditional Chinese Medicine), Chengdu, China
| | - Yi Tang
- Geriatric Diseases Institute of Chengdu, Department of Endocrine and Metabolism, Chengdu Fifth People’s Hospital (The Second Clinical Medical College, Affiliated Fifth People’s Hospital of Chengdu University of Traditional Chinese Medicine), Chengdu, China
| | - Fan Yang
- Geriatric Diseases Institute of Chengdu, Department of Endocrine and Metabolism, Chengdu Fifth People’s Hospital (The Second Clinical Medical College, Affiliated Fifth People’s Hospital of Chengdu University of Traditional Chinese Medicine), Chengdu, China
| | - Xin Ren
- Geriatric Diseases Institute of Chengdu, Department of Endocrine and Metabolism, Chengdu Fifth People’s Hospital (The Second Clinical Medical College, Affiliated Fifth People’s Hospital of Chengdu University of Traditional Chinese Medicine), Chengdu, China
| | - Jing Yang
- Geriatric Diseases Institute of Chengdu, Department of Endocrine and Metabolism, Chengdu Fifth People’s Hospital (The Second Clinical Medical College, Affiliated Fifth People’s Hospital of Chengdu University of Traditional Chinese Medicine), Chengdu, China
| | - Hongyi Cao
- Geriatric Diseases Institute of Chengdu, Department of Endocrine and Metabolism, Chengdu Fifth People’s Hospital (The Second Clinical Medical College, Affiliated Fifth People’s Hospital of Chengdu University of Traditional Chinese Medicine), Chengdu, China
| | - Yifan Yin
- Department of Nephrology, Chengdu Third People’s Hospital, Chengdu, China
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Xu X, Fu Y, Bao M. Comparison Between the Efficacy of Spinal Cord Stimulation and of Endovascular Revascularization in the Treatment of Diabetic Foot Ulcers: A Retrospective Observational Study. Neuromodulation 2023; 26:1424-1432. [PMID: 37610397 DOI: 10.1016/j.neurom.2023.07.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 07/24/2023] [Accepted: 07/25/2023] [Indexed: 08/24/2023]
Abstract
OBJECTIVE We aimed to compare the effects of spinal cord stimulation (SCS) with those of endovascular revascularization on the treatment of diabetic foot ulcers. MATERIALS AND METHODS A total of 104 patients with diabetic foot ulcers who met the inclusion criteria were retrospectively analyzed and classified to the SCS treatment group (n = 46) and endovascular revascularization treatment group (n = 46). The quality-of-life scores (Quality of Life Scale for Patients with Liver Cancer v2.0), visual pain analog scale score, lower limb skin temperature, lower limb arterial ultrasound results, and lower extremity electromyography results were analyzed to compare the efficacy of the two treatments for diabetic foot ulcers in the two groups before surgery and six months after surgery. RESULTS A total of 92 patients (men: 73.9%, mean age: 66.51 ± 11.67 years) completed the six-month postoperative follow-up period. The patients in the SCS treatment group had a higher quality-of-life score (25.54% vs 13.77%, p < 0.05), a larger reduction in pain scores (69.18% vs 37.21%, p < 0.05), and a larger reduction in foot temperature (18.56% vs 7.24%, p < 0.05) than those of the endovascular revascularization treatment group at six months after surgery. The degree of vasodilation in the lower limbs on color Doppler arterial ultrasound and the nerve conduction velocity were higher in the SCS treatment group than in the endovascular revascularization treatment group at six months after surgery (p < 0.05). CONCLUSION SCS was more effective than endovascular revascularization in improving quality of life, relieving pain, improving lower limb skin temperature, increasing lower limb blood flow, and improving nerve conduction in patients with diabetic foot ulcers at six months after surgery.
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Affiliation(s)
- Xin Xu
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yu Fu
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Min Bao
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, China.
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Tehsin S, Kausar S, Jameel A. Diabetic wounds and artificial intelligence: A mini-review. World J Clin Cases 2023; 11:84-91. [PMID: 36687200 PMCID: PMC9846989 DOI: 10.12998/wjcc.v11.i1.84] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/12/2022] [Accepted: 12/23/2022] [Indexed: 01/04/2023] Open
Abstract
Diabetic wound takes longer time to heal due to micro and macro-vascular ailment. This longer healing time can lead to infections and other health complications. Foot ulcers are one of the most common diabetic wounds. These are one of the leading cause of amputations. Medical science is continuously striving for improving quality of human life. A recent trend of amalgamation of knowledge, efforts and technological advancement of medical science experts and artificial intelligence researchers, has made tremendous success in diagnosis, prognosis and treatment of a variety of diseases. Diabetic wounds are no exception, as artificial intelligence experts are putting their research efforts to apply latest technological advancements in the field to help medical care personnel to deal with diabetic wounds in more effective manner. The presented study reviews the diagnostic and treatment research under the umbrella of Artificial Intelligence and computational science, for diabetic wound healing. Framework for diabetic wound assessment using artificial intelligence is presented. Moreover, this review is focused on existing and potential contribution of artificial intelligence to improve medical services for diabetic wound patients. The article also discusses the future directions for the betterment of the field that can lead to facilitate both, clinician and patients.
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Affiliation(s)
- Samabia Tehsin
- Computer Science, Bahria University, Karachi 75260, Sindh, Pakistan
| | - Sumaira Kausar
- Computer Science, Bahria University, Islamabad 46000, Pakistan
| | - Amina Jameel
- Department of Computer Engineering, Bahria University, Islamabad 46000, Pakistan
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Askø Andersen J, Rasmussen A, Engberg S, Bencke J, Frimodt-Møller M, Kirketerp-Møller K, Rossing P. Flexor Tendon Tenotomy Treatment of the Diabetic Foot: A Multicenter Randomized Controlled Trial. Diabetes Care 2022; 45:2492-2500. [PMID: 36151947 DOI: 10.2337/dc22-0085] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Accepted: 05/06/2022] [Indexed: 02/03/2023]
Abstract
OBJECTIVE The aim of this study was to evaluate the effects of needle flexor tendon tenotomy treatment of the diabetic hammertoe deformity. RESEARCH DESIGN AND METHODS A multicenter randomized controlled trial of individuals with diabetes and ulcers or impending ulcers associated with hammertoes was performed between 1 November 2019 and 31 March 2021. Participants were stratified by the presence of ulcers or impending ulcers. Participants were randomly assigned to tenotomy and standard nonsurgical treatment or to standard nonsurgical treatment alone. Primary outcomes were time to ulcer healing and progression from impending ulcer to active ulcer. RESULTS Of 224 screened participants with diabetes, 95 (59.0% men) were included. The mean follow-up was 291 ± 70 days, 28 (29.5%) had type 1 diabetes, mean diabetes (presented with 25-75% quartile) duration was 20 (13-26) years, and mean age was 67.7 ± 9.8 years. Of the included participants, 16 had ulcers, of whom 8 were randomly assigned to intervention. Of the remaining 79 with impending ulcers, 39 were randomly assigned to intervention. For participants with ulcers, healing rates favored tenotomy (100% vs. 37.5%, P = 0.026) as did time to ulcer healing (P = 0.04). For those with impending ulcers, incidence of progression to an active ulcer was lower (1 vs. 7, P = 0.028) and the number of ulcer-free days higher (P = 0.043) in the tenotomy group. No serious adverse events were recorded. CONCLUSIONS This randomized study showed that the simple procedure of needle flexor tendon tenotomy was effective and safe when treating and preventing ulcers associated with the diabetic hammertoe deformity.
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Affiliation(s)
- Jonas Askø Andersen
- Steno Diabetes Center Copenhagen, Herlev, Denmark.,Orthopedic Department, North Zealand Hospital, Hillerød Hospital, Hillerød, Denmark
| | | | - Susanne Engberg
- Steno Diabetes Center Copenhagen, Herlev, Denmark.,Novo Nordisk A/S, Søborg, Denmark
| | - Jesper Bencke
- Human Movement Analysis Laboratory, Department of Orthopedic Surgery, Copenhagen University Hospital at Amager-Hvidovre, Hvidovre, Denmark
| | | | - Klaus Kirketerp-Møller
- Steno Diabetes Center Copenhagen, Herlev, Denmark.,Copenhagen Wound Healing Center, Bispebjerg Hospital, Copenhagen, Denmark
| | - Peter Rossing
- Steno Diabetes Center Copenhagen, Herlev, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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Du L, Zeng D, Hu X, Ren X, He D. The efficacy of autologous platelet-rich gel and traditional Chinese medicine in diabetic foot treatment: a parallel randomized controlled clinical trial. Ann Vasc Surg 2022; 87:529-537. [PMID: 36064130 DOI: 10.1016/j.avsg.2022.07.026] [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: 06/04/2022] [Revised: 06/30/2022] [Accepted: 07/18/2022] [Indexed: 11/26/2022]
Abstract
INTRODUCTION Diabetic Foot (DF) is a prevalent metabolic infection. DF wounds are the basis for all cases of non-traumatic lower limbs amputations in diabetes. DF care approaches include debridement of wound, pressure relief in the wounded area, proper wound, infection and ischemia management. However, there is a need for research to develop more effective therapeutic approaches. This study investigated the effectivity and safety of autologous platelet-rich gel combined with conventional treatment and traditional Chinese medicine (TCM) in diabetic foot ulcers therapy. METHODS Sixty diabetic foot ulcer patients were divided into treatment and control groups of 30 patients each. The treatment group involved a combination of autologous platelet-rich gel, conventional treatment, and TCM. The control group was only treated with a combination of conventional therapy and TCM. Laboratory variables, including platelets, hemoglobin, albumin, and HbA1c, were analyzed and compared between treatment and control groups at baseline and end-point. Healing area, volume, and rates were compared in both groups. RESULTS basic patients' data and the wound conditions had no significant difference between treatment and control group. The treatment and control groups cure rates were 93.3% vs. 50%, respectively. The healing rate per two weeks was significantly higher in the treatment than in control group (0.78±0.05 vs. 0.43±0.04). There was no statistically significant difference in the platelets, hemoglobin, albumin, and HbA1c levels in the treatment and control groups. CONCLUSION Autologous platelet-rich gel combined with conventional treatment and traditional Chinese medicine (TCM) is effective and safe for diabetic foot ulcers treatment.
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Affiliation(s)
- Liangliang Du
- Department of Endocrinology, Yueyang Hospital of Traditional Chinese Medicine, No.269 Fengqiao Lake Road, Yueyang City, Hunan Province
| | - Douyun Zeng
- Department of Endocrinology, Yueyang Hospital of Traditional Chinese Medicine, No.269 Fengqiao Lake Road, Yueyang City, Hunan Province
| | - Xian Hu
- Department of Endocrinology, Yueyang Hospital of Traditional Chinese Medicine, No.269 Fengqiao Lake Road, Yueyang City, Hunan Province
| | - Xi Ren
- Department of Endocrinology, Yueyang Hospital of Traditional Chinese Medicine, No.269 Fengqiao Lake Road, Yueyang City, Hunan Province
| | - Dazhi He
- Department of Endocrinology, Yueyang Hospital of Traditional Chinese Medicine, No.269 Fengqiao Lake Road, Yueyang City, Hunan Province.
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Kuguyo O, Chirenda J, Chikwasha V, Mukona DM, Mageza A, Gwanzura L, Matimba A. Needs assessment of diabetic foot services in Zimbabwe. Diabetes Res Clin Pract 2022; 188:109925. [PMID: 35577036 DOI: 10.1016/j.diabres.2022.109925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 04/30/2022] [Accepted: 05/09/2022] [Indexed: 11/25/2022]
Abstract
INTRODUCTION Due to the increasing incidence of diabetes in Zimbabwe, complications such as diabetic foot (DF) are anticipated. Establishing local gaps and needs in DF healthcare is paramount for tailoring management strategies. AIMS To determine the status of DF services in the healthcare system and explore awareness of DF management and practices among registered general nurses (RGNs) in Zimbabwe. METHODS A mixed-methods approach was applied. Thirty-one RGNs from 16 public health facilities in Harare, Zimbabwe attending a DF workshop were administered with a cross-sectional survey instrument and a semi-structured questionnaire. Data collected included presence/absence of DF services and podiatrists in healthcare facilities, healthcare system approaches in DF care and availability of DF training/education programs for RGNs. Analysis was performed using Stata and Nvivo software. RESULTS No respondents reported availability of podiatrists. Only 1 (3%) of RGNs reported DF screening in primary care. Sixty percent (18) did not know or had never screened for DF. The RGNs reported inadequate DF educational programs/modules in primary care settings. CONCLUSION This data highlights a need to improve DF education for RGNs at the frontline of managing PLWD. Understanding the needs for DF services may guide interventions to improve education and awareness programs that are appropriately tailored to local constraints in the health system. The non-communicable diseases director is encouraged to develop DF educational programmes for frontline health care workers.
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Affiliation(s)
- Oppah Kuguyo
- University of Zimbabwe, Faculty of Medicine and Health Sciences, P.O. Box A178, Avondvale, Harare, Zimbabwe.
| | - Joconiah Chirenda
- University of Zimbabwe, Faculty of Medicine and Health Sciences, P.O. Box A178, Avondvale, Harare, Zimbabwe.
| | - Vasco Chikwasha
- University of Zimbabwe, Faculty of Medicine and Health Sciences, P.O. Box A178, Avondvale, Harare, Zimbabwe.
| | - Doreen Macherera Mukona
- University of Zimbabwe, Faculty of Medicine and Health Sciences, P.O. Box A178, Avondvale, Harare, Zimbabwe; Parirenyatwa Group of Hospitals, Department of Surgery, Parirenyatwa Complex, Mazowe Street, Harare, Zimbabwe.
| | - Akimu Mageza
- Parirenyatwa Group of Hospitals, Department of Surgery, Parirenyatwa Complex, Mazowe Street, Harare, Zimbabwe.
| | - Lovemore Gwanzura
- University of Zimbabwe, Faculty of Medicine and Health Sciences, P.O. Box A178, Avondvale, Harare, Zimbabwe.
| | - Alice Matimba
- University of Zimbabwe, Faculty of Medicine and Health Sciences, P.O. Box A178, Avondvale, Harare, Zimbabwe.
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10
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Kurkipuro J, Mierau I, Wirth T, Samaranayake H, Smith W, Kärkkäinen HR, Tikkanen M, Yrjänheikki J. Four in one-Combination therapy using live Lactococcus lactis expressing three therapeutic proteins for the treatment of chronic non-healing wounds. PLoS One 2022; 17:e0264775. [PMID: 35226700 PMCID: PMC8884502 DOI: 10.1371/journal.pone.0264775] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 02/17/2022] [Indexed: 01/03/2023] Open
Abstract
Diabetes mellitus is one of the major concerns for health care systems, affecting 382 million people worldwide. Among the different complications of diabetes, lower limbs chronic ulceration is a common, severe and costly cause of morbidity. Diabetic foot ulcers are a leading cause of hospitalization in diabetic patients and its rate exceed the ones of congestive heart failure, depression or renal disease. Diabetic non-healing ulcers account for more than 60% of all non-traumatic lower limb amputations and the five-year mortality after amputation is higher than 50%, being equal to several types of advanced cancer. The primary management goals for an existing diabetic foot ulcer are to achieve primary healing as expeditiously as possible and to achieve a reduction of the amputation rate in the patients. Unfortunately, approximately a quarter of patients do not partially or fully respond to the standard of care. Advanced therapies for chronic wounds are existing, however, recent guidelines including the latest reviews and meta-analyses of the scientific and clinical evidence available from current treatment strategies and new therapeutic agents revealed that there is a lack of clinical data and persistent gap of evidence for many of the advanced therapeutic approaches. In addition, no pharmacological wound healing product has gained authority approval for more than 10 years in both US and EU, constituting a highly unmet medical need. In this publication we present data from a live biopharmaceutical product AUP1602-C designed as a single pharmaceutical entity based on the non-pathogenic, food-grade lactic acid bacterium Lactococcus lactis subsp. cremoris that has been genetically engineered to produce human fibroblast growth factor 2,interleukin4 and colony stimulating factor 1. Designed to address different aspects of wound healing (i.e. fibroblast proliferation, angiogenesis and immune cell activation) and currently in phase I clinical study, we show how the combination of the individual components on the wound micro-environment initiates and improves the wound healing in chronic wounds.
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Rodrigues BT, Vangaveti VN, Urkude R, Biros E, Malabu UH. Prevalence and risk factors of lower limb amputations in patients with diabetic foot ulcers: A systematic review and meta-analysis. Diabetes Metab Syndr 2022; 16:102397. [PMID: 35085918 DOI: 10.1016/j.dsx.2022.102397] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Revised: 12/24/2021] [Accepted: 01/12/2022] [Indexed: 10/19/2022]
Abstract
BACKGROUND AND AIMS The study aimed at determining prevalence and risk factors (RFs) of diabetic lower limb amputations (LLAs). METHODS Electronic databases including PubMed, Medline, Web of Science, and Cochrane Library were searched from January 2003 to April 2021. RESULTS Sixteen full-text published studies were reviewed. The prevalence of LLAs stood as high as 66%, with a combined prevalence of 19% (95% CI 10-29) using the random-effects model. The most prominent RFs for LLA were duration of diabetes mellitus (DM), age, renal impairment, and ethnic minority. Amongst Australians, Indigenous background is strongly associated with increased risk of the diabetic foot (DF) LLA. CONCLUSIONS LLAs are considerably prevalent amongst patients with the DF and occur at even higher rates in patients with multimorbidity.
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Affiliation(s)
- Beverly T Rodrigues
- Translational Research in Endocrinology and Diabetes, College of Medicine and Dentistry, James Cook University, Australia
| | - Venkat N Vangaveti
- Translational Research in Endocrinology and Diabetes, College of Medicine and Dentistry, James Cook University, Australia
| | - Ravindra Urkude
- Department of Neurology, Townsville University Hospital, Australia
| | - Erik Biros
- Translational Research in Endocrinology and Diabetes, College of Medicine and Dentistry, James Cook University, Australia
| | - Usman H Malabu
- Translational Research in Endocrinology and Diabetes, College of Medicine and Dentistry, James Cook University, Australia; Department of Diabetes and Endocrinology, Townsville University Hospital, Australia.
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12
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Rebolledo JA, Rhodes NJ, Valdes AM, Kulekowskis A, Kliethermes MA. Implementation of a clinical pharmacist-driven comprehensive medication management program in an outpatient wound healing center. J Am Pharm Assoc (2003) 2021; 62:475-480.e3. [PMID: 34764034 DOI: 10.1016/j.japh.2021.10.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 09/17/2021] [Accepted: 10/19/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND The role of the pharmacist in wound healing management among patients with diabetic and nondiabetic foot ulcers (DFU) is unclear. We sought to implement and evaluate an integrated pharmacist-driven comprehensive medication management (CMM) program in a multidisciplinary podiatrist-led wound healing center (WHC). OBJECTIVES The objectives were to determine the role of the clinical pharmacist in a WHC and evaluate the impact of CMM interventions on prescribing rates and wound healing rates. METHODS A pharmacist-driven CMM program was implemented in a podiatrist-led WHC, and an evaluation spanning 6 years was conducted. RESULTS Overall, 1018 patients were treated over 6 years, and 515 received wound treatment after the CMM period, of which, 309 received CMM services. A total of 441 medication related problems (MRPs) were identified; most were related to medication safety (35.1%) and inappropriate or ineffective therapy (31.3%), and problems with adherence accounted for 22.5% of documented MRPs. An average of 3.41 interventions per patient were documented, and most were related to patient education (40.8%). Only metformin (20.3 vs. 34.2%; P < 0.001) and insulin prescription (57.3 vs. 73.8%; P < 0.001) prevalence increased after CMM implementation. Other prescriptions were not significantly different among patients presenting in the pre- and post-CMM periods, respectively. Wound healing rates among patients with DFU were similar before and after implementation (55 vs. 52%; P = 0.49). Likewise, wound healing rates among those with non-DFUs were similar before- and after implementation (56 vs. 53%; P = 0.56). CONCLUSION The implementation of a novel pharmacist-driven CMM program embedded within a multidisciplinary podiatrist-managed WHC provided the initial evidence of the potential benefits of providing pharmacist-driven CMM services to patients with lower extremity ulcers. Prospective studies of CMM in this patient population are needed.
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Hidayati L, Pratiwi IN, Pawanis Z, McKenna L, Widyawati IY. Buerger Exercise Reduces the Risk of Neuropathy in People with Diabetes Mellitus. Open Access Maced J Med Sci 2021. [DOI: 10.3889/oamjms.2021.6743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Introduction: Diabetes mellitus (DM) remains the major global health problem, predicted to exceed half a billion people in 2040. One of the major complications was lower extremity neuropathy leading to foot ulcer and amputation. This study aimed to investigate the effect of routine Buerger exercise on the neuropathy index of people with DM. Methods: A pre-and posttest quasi-experimental study between May and August 2018 involving DM patients in primary health centre was conducted. They were prospectively recruited and either be allocated into the intervention group where the monitored routine Buerger exercise was performed or control group with the standard education on DM. Michigan Neuropathy Screening Instrument (MNSI) with subjective and objective measurement was used to evaluate the neuropathy index. Results: Seventy-seven participants (63 females) with mean age of 58.2±7.2 years completed the study with similar characteristics. Mean pretest MNSI score for intervention and control group were 3.8±1.7 and 3.9±1.6 respectively, and were not different (P = 0.561). At the end of follow up, significant decrease was observed in the intervention group (2.8±2.2, P = 0.011) but not in control group (4.0±1.9, P=0.947). Physical examination according to MNSI guideline showed a significant reduction in the neuropathy score for the intervention group from 1.8±1.4 at the start to 1.3±1.1 at the end of the study (P< 0.001), but this was not seen in the control group. Conclusion: Buerger exercise had a beneficial effect on improving the neuropathy index and symptoms of DM patients with high risk of diabetic foot ulcer.
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Yuniati R, Innelya I, Rachmawati A, Charlex HJM, Rahmatika A, Khrisna MB, Mundhofir FEP, Hario Seno KHN, Kristina TN. Application of Topical Sucralfate and Topical Platelet-Rich Plasma Improves Wound Healing in Diabetic Ulcer Rats Wound Model. J Exp Pharmacol 2021; 13:797-806. [PMID: 34429664 PMCID: PMC8374851 DOI: 10.2147/jep.s296767] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 05/24/2021] [Indexed: 01/13/2023] Open
Abstract
Purpose One of the most serious and devastating complications of diabetes mellitus is diabetic ulcers. They are difficult to treat and often result in limb loss. Topical sucralfate and platelet-rich plasma have the potential to improve the healing outcomes of chronic ulcers, including diabetic ulcers. This research aims to determine the effectiveness of sucralfate and platelet-rich plasma therapy for the improvement of diabetic ulcer wound healing. Patients and Methods Ninety Wistar rats were used in this study and were classified into five groups. Four of the five groups were diabetic induced and were treated with topical sucralfate only, platelet-rich plasma only, combination of topical sucralfate and platelet-rich plasma, and diabetic control group which received standard therapy only. The non-diabetic control group did not receive any therapy. We observed macrophage amount, platelet-derived growth factor, vascular endothelial growth factor, and hypoxia-inducible factor as a biomarker. Rats were terminated after 7th and 14th days and were subjected to immunohistochemistry staining and examination. Results We found that topical sucralfate and platelet-rich plasma increase macrophage levels, vascular endothelial growth factor expression and platelet-derived growth factor expression in diabetic wound cells. We also found a reduction in hypoxia inducible factor-1α expression. Combination of topical sucralfate and platelet-rich plasma for 14 days gave the most significant improvement in terms of wound healing compared to topical sucralfate or platelet-rich plasma alone. Conclusion The combination of topical sucralfate and platelet-rich plasma therapy results in the best improvement in diabetic ulcer wound healing compared to sucralfate or platelet-rich plasma monotherapy or conventional wound healing therapy.
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Affiliation(s)
- Renni Yuniati
- Dermatology and Venereology Department, Faculty of Medicine, Diponegoro University, Semarang, Indonesia
| | - Innelya Innelya
- Undergraduate Student, Faculty of Medicine, Diponegoro University, Semarang, Indonesia
| | - Arti Rachmawati
- Undergraduate Student, Faculty of Medicine, Diponegoro University, Semarang, Indonesia
| | | | - Alfi Rahmatika
- Undergraduate Student, Faculty of Medicine, Diponegoro University, Semarang, Indonesia
| | - Matthew Brian Khrisna
- Dermatology and Venereology Department, Faculty of Medicine, Diponegoro University, Semarang, Indonesia
| | | | | | - Tri Nur Kristina
- Microbiology Department, Faculty of Medicine, Diponegoro University, Semarang, Indonesia
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Chan KS, Chan YM, Tan AHM, Liang S, Cho YT, Hong Q, Yong E, Chong LRC, Zhang L, Tan GWL, Chandrasekar S, Lo ZJ. Clinical validation of an artificial intelligence-enabled wound imaging mobile application in diabetic foot ulcers. Int Wound J 2021; 19:114-124. [PMID: 33942998 PMCID: PMC8684856 DOI: 10.1111/iwj.13603] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 04/08/2021] [Indexed: 12/18/2022] Open
Abstract
There is a lifetime risk of 15% to 25% of development of diabetic foot ulcers (DFUs) in patients with diabetes mellitus. DFUs need to be followed up on and assessed for development of complications and/or resolution, which was traditionally performed using manual measurement. Our study aims to compare the intra- and inter-rater reliability of an artificial intelligence-enabled wound imaging mobile application (CARES4WOUNDS [C4W] system, Tetsuyu, Singapore) with traditional measurement. This is a prospective cross-sectional study on 28 patients with DFUs from June 2020 to January 2021. The main wound parameters assessed were length and width. For traditional manual measurement, area was calculated by overlaying traced wound on graphical paper. Intra- and inter-rater reliability was analysed using intra-class correlation statistics. A value of <0.5, 0.5-0.75, 0.75-0.9, and >0.9 indicates poor, moderate, good, and excellent reliability, respectively. Seventy-five wound episodes from 28 patients were collected and a total of 547 wound images were analysed in this study. The median wound area during the first clinic consultation and all wound episodes was 3.75 cm2 (interquartile range [IQR] 1.40-16.50) and 3.10 cm2 (IQR 0.60-14.84), respectively. There is excellent intra-rater reliability of C4W on three different image captures of the same wound (intra-rater reliability ranging 0.933-0.994). There is also excellent inter-rater reliability between three C4W devices for length (0.947), width (0.923), and area (0.965). Good inter-rater reliability for length, width, and area (range 0.825-0.934) was obtained between wound nurse measurement and each of the C4W devices. In conclusion, we obtained good inter-rater and intra-rater reliability of C4W measurements against traditional wound measurement. The C4W is a useful adjunct in monitoring DFU wound progress.
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Affiliation(s)
- Kai Siang Chan
- Department of General Surgery, Vascular Surgery Service, 11 Jalan Tan Tock Seng, Singapore
| | - Yam Meng Chan
- Department of General Surgery, Vascular Surgery Service, 11 Jalan Tan Tock Seng, Singapore
| | - Audrey Hui Min Tan
- Department of General Surgery, Vascular Surgery Service, 11 Jalan Tan Tock Seng, Singapore
| | - Shanying Liang
- Department of General Surgery, Vascular Surgery Service, 11 Jalan Tan Tock Seng, Singapore
| | - Yuan Teng Cho
- Department of General Surgery, Vascular Surgery Service, 11 Jalan Tan Tock Seng, Singapore
| | - Qiantai Hong
- Department of General Surgery, Vascular Surgery Service, 11 Jalan Tan Tock Seng, Singapore
| | - Enming Yong
- Department of General Surgery, Vascular Surgery Service, 11 Jalan Tan Tock Seng, Singapore
| | | | - Li Zhang
- Department of General Surgery, Vascular Surgery Service, 11 Jalan Tan Tock Seng, Singapore
| | - Glenn Wei Leong Tan
- Department of General Surgery, Vascular Surgery Service, 11 Jalan Tan Tock Seng, Singapore
| | - Sadhana Chandrasekar
- Department of General Surgery, Vascular Surgery Service, 11 Jalan Tan Tock Seng, Singapore
| | - Zhiwen Joseph Lo
- Department of General Surgery, Vascular Surgery Service, 11 Jalan Tan Tock Seng, Singapore
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Monteiro-Soares M, Vale-Lima J, Martiniano J, Pinheiro-Torres S, Dias V, Boyko EJ. A systematic review with meta-analysis of the impact of access and quality of diabetic foot care delivery in preventing lower extremity amputation. J Diabetes Complications 2021; 35:107837. [PMID: 33423910 DOI: 10.1016/j.jdiacomp.2020.107837] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 11/30/2020] [Accepted: 11/30/2020] [Indexed: 11/24/2022]
Abstract
AIMS To assess the impact of diabetic foot care delivery in preventing lower extremity amputation (LEA). METHODS We systematically searched the MEDLINE database for research evaluating the association between any aspect of diabetic foot care delivery and risk of LEA. Meta-analysis was conducted by calculating a pooled odds ratio through a random effects model. RESULTS Our search retrieved 5093 articles. In total, 58 articles were included: 9 addressing healthcare access, 4 educating health professionals, 2 implementing guidelines, 6 receiving chiropody/podiatry care services and 37 implementing structured diabetic foot care services (SDFC). All of these aspects of diabetic foot care seemed to have a positive impact on preventing LEA. Only SDFC literature met criteria for performing a meta-analysis. For SDFC impact on preventing overall and major LEA but not for minor LEA compelling evidence was observed [aggregated odds ratio (OR) of 0.45 (95% CI 0.37-0.57), 0.40 (95% CI 0.32-0.51), and 0.87 (95% CI 0.67-1.14), respectively]. However, high heterogeneity (superior to 60%) was observed for all outcomes. CONCLUSIONS Results support a reduction in diabetic LEA frequency in association with structured diabetic foot care, and, in particular, major LEA. Less evidence is available for the remaining aspects of diabetic foot care delivery.
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Affiliation(s)
- Matilde Monteiro-Soares
- MEDCIDS - Departamento de Medicina da Comunidade Informação e Decisão em Saúde, Faculty of Medicine, University of Porto, Porto, Portugal; CINTESIS - Center for Health Technology and Services Research, Faculty of Medicine, University of Porto, Porto, Portugal.
| | - Jorge Vale-Lima
- Unidade de Saúde Familiar Nova Salus, Agrupamento de Centros de Saúde Grande Porto VII, Vila Nova de Gaia, Portugal
| | - João Martiniano
- Escola Superior de Saúde da Cruz Vermelha Portuguesa de Lisboa, Portugal
| | - Sofia Pinheiro-Torres
- Unidade de Saúde Familiar Aldoar, Agrupamento de Centros de Saúde Porto Ocidental, Porto, Portugal
| | - Vanessa Dias
- Unidade de Saúde Familiar St André de Canidelo, Agrupamento de Centros de Saúde Grande Porto VII, Vila Nova de Gaia, Portugal; Centro de Investigação Interdisciplinar em Saúde(CIIS)- UCP- ICS Porto, Portugal
| | - Edward J Boyko
- Seattle Epidemiologic Research and Information Center, Department of Veterans Affairs, Puget Sound Health Care System and the University of Washington, Seattle, WA, USA
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Electric Stimulation as an Effective Adjunctive Therapy for Diabetic Foot Ulcer: A Meta-analysis of Randomized Controlled Trials. Adv Skin Wound Care 2020; 33:608-612. [DOI: 10.1097/01.asw.0000695784.82605.1e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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18
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Li CI, Cheng HM, Liu CS, Lin CH, Lin WY, Wang MC, Yang SY, Li TC, Lin CC. Association between glucose variation and lower extremity amputation incidence in individuals with type 2 diabetes: a nationwide retrospective cohort study. Diabetologia 2020; 63:194-205. [PMID: 31686118 DOI: 10.1007/s00125-019-05012-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 08/23/2019] [Indexed: 01/21/2023]
Abstract
AIMS/HYPOTHESIS Elevated glucose level is one of the risk factors for lower extremity amputation (LEA), but whether glycaemic variability confers independent risks of LEA remains to be elucidated. This study aimed to investigate the association between visit-to-visit glycaemic variability and minor and major LEA risks during 8 years of follow-up in type 2 diabetic individuals aged 50 years and older. METHODS This retrospective cohort study included 27,574 ethnic Chinese type 2 diabetic individuals aged ≥50 years from the National Diabetes Care Management Program in Taiwan. Glycaemic variability measures were presented as the CVs of fasting plasma glucose (FPG-CV) and of HbA1c (A1c-CV). The effect of glycaemic variability on the incidence of LEA events was analysed using Cox proportional hazards models. RESULTS After a median follow-up of 8.9 years, 541 incident cases of LEA with a crude incidence density rate of 2.4 per 1000 person-years were observed. After multivariate adjustment, FPG-CV and A1c-CV were found to be significantly associated with minor LEA, with corresponding HRs of 1.53 (95% CI 1.15, 2.04) and 1.34 (95% CI 1.02, 1.77) for the third tertiles of FPG-CV and A1c-CV, respectively. In addition, these associations were stronger amongst older adults with longer diabetes duration (≥3 years) than amongst those with shorter duration (<3 years) (pinteraction < 0.01). CONCLUSIONS/INTERPRETATION Our study suggests that visit-to-visit variations in HbA1c and FPG are important predictors of minor LEA amongst older adults with type 2 diabetes, particularly for those with more than 3 years of diabetes duration.
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Affiliation(s)
- Chia-Ing Li
- School of Medicine, College of Medicine, China Medical University, 91 Hsueh-Shih Road, Taichung, 40402, Taiwan
- Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Hui-Man Cheng
- School of Chinese Medicine, College of Chinese Medicine, China Medical University, Taichung, Taiwan
- Department of Integration of Traditional Chinese and Western Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Chiu-Shong Liu
- School of Medicine, College of Medicine, China Medical University, 91 Hsueh-Shih Road, Taichung, 40402, Taiwan
- Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
- Department of Family Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Chih-Hsueh Lin
- School of Medicine, College of Medicine, China Medical University, 91 Hsueh-Shih Road, Taichung, 40402, Taiwan
- Department of Family Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Wen-Yuan Lin
- School of Medicine, College of Medicine, China Medical University, 91 Hsueh-Shih Road, Taichung, 40402, Taiwan
- Department of Family Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Mu-Cyun Wang
- School of Medicine, College of Medicine, China Medical University, 91 Hsueh-Shih Road, Taichung, 40402, Taiwan
- Department of Family Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Shing-Yu Yang
- Department of Public Health, College of Public Health, China Medical University, 91 Hsueh-Shih Road, Taichung, 40402, Taiwan
| | - Tsai-Chung Li
- Department of Public Health, College of Public Health, China Medical University, 91 Hsueh-Shih Road, Taichung, 40402, Taiwan.
- Department of Healthcare Administration, College of Medical and Health Science, Asia University, Taichung, Taiwan.
| | - Cheng-Chieh Lin
- School of Medicine, College of Medicine, China Medical University, 91 Hsueh-Shih Road, Taichung, 40402, Taiwan.
- Department of Medical Research, China Medical University Hospital, Taichung, Taiwan.
- Department of Family Medicine, China Medical University Hospital, Taichung, Taiwan.
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Guo Z, Yue C, Qian Q, He H, Mo Z. Factors associated with lower-extremity amputation in patients with diabetic foot ulcers in a Chinese tertiary care hospital. Int Wound J 2019; 16:1304-1313. [PMID: 31448507 DOI: 10.1111/iwj.13190] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 07/28/2019] [Indexed: 12/30/2022] Open
Abstract
Providing a better understanding of the risk factors for amputation in this particular region, Hunan province, in China might help patients with diabetic foot ulcers receive timely and appropriate medical care and help prevent amputation. Diabetic foot ulcer patients referred to the Third Xiangya Hospital during the period between December 2014 and September 2018 were enrolled. Participants who underwent amputations and received conservative treatments were compared using univariate and multivariate analyses to identify the independent predictors of amputation. Those who required amputation presented significantly higher levels of white blood cell counts, platelet counts, erythrocyte sedimentation rate, C-reactive protein, and glycated haemoglobin (HbA1c) levels. However, levels of haemoglobin, postprandial plasma C-peptide, triglyceride, high-density lipoprotein cholesterol, albumin, and uric acid were decreased in patients with amputations. Patients with more advanced Wagner grades had much higher rates of amputation. Multivariable-adjusted odds ratios in stepwise logistic regression model was 1.317 for HbA1c (95% CI: 1.015-1.709), 0.255 for triglyceride (95% CI: 0.067-0.975), and 20.947 for Wagner grades (95% CI: 4.216-104.080). Independent risk factors for amputation in these Chinese diabetic foot ulcer patients included an elevated HbA1c level, lower triglyceride level, and higher Wagner grades.
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Affiliation(s)
- Zi Guo
- Department of Endocrinology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Chun Yue
- Department of Endocrinology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Qiang Qian
- Department of Endocrinology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Honghui He
- Department of Endocrinology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Zhaohui Mo
- Department of Endocrinology, The Third Xiangya Hospital, Central South University, Changsha, China
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Alvarado-Vázquez PA, Grosick RL, Moracho-Vilrriales C, Ward E, Threatt T, Romero-Sandoval EA. Cytokine production capabilities of human primary monocyte-derived macrophages from patients with diabetes mellitus type 2 with and without diabetic peripheral neuropathy. J Pain Res 2018; 12:69-81. [PMID: 30588081 PMCID: PMC6305162 DOI: 10.2147/jpr.s186372] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
INTRODUCTION Monocytes from patients with diabetes mellitus type 2 (DM2) are dysfunctional, persistently primed, and prone to a proinflammatory phenotype. This may alter the phenotype of their differentiation to macrophages and result in diabetic peripheral neuropathy (DPN), nerve damage, nerve sensitization, and chronic pain. We have previously demonstrated that CD163 is a molecule that promotes an anti-inflammatory cellular phenotype in human primary macrophages, but this has not been proven in macrophages from patients with DM2 or DPN. Thus, we hypothesize that macrophages from patients with DM2 or DPN display an altered proinflammatory functional phenotype related to cytokine production and that the induction of CD163 expression will promote a more homeostatic phenotype by reducing their proinflammatory responsiveness. PATIENTS AND METHODS We tested these hypotheses in vitro using blood monocyte-derived macrophages from healthy subjects and patients with DM2 with and without DPN. Cells were incubated in the presence or the absence of 5 µg/mL of lipopolysaccharide (LPS). The concentrations of interleukin-10, interleukin-6, tumor necrosis factor-alpha (TNF-α), TGF-β, and monocyte chemoattractant protein-1 (MCP-1) were measured using ELISA assays. Macrophages were transfected with an empty vector plasmid or a plasmid containing the CD163 gene using mannosylated polyethylenimine nanoparticles. RESULTS Our results show that nonstimulated DM2 or DPN macrophages have a constitutive primed proinflammatory state and display a deficient production of proinflammatory cytokines upon a proinflammatory challenge when compared to healthy macrophages. CD163 induction produced an anti-inflammatory phenotype in the healthy control group, and this effect was partial in DM2 or DPN macrophages. CONCLUSION Our results suggest that diabetic macrophages adopt a complex phenotype that is only partially reversed by CD163 induction. Future experiments are focused on elucidating this differential responsiveness between healthy and diabetic macrophages.
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Affiliation(s)
| | - Rachel L Grosick
- Department of Pharmacy Practice, Presbyterian College School of Pharmacy, Clinton, SC, USA
| | | | - Eileen Ward
- Department of Pharmacy Practice, Presbyterian College School of Pharmacy, Clinton, SC, USA
| | - Tiffaney Threatt
- Department of Pharmacy Practice, Presbyterian College School of Pharmacy, Clinton, SC, USA
| | - Edgar Alfonso Romero-Sandoval
- Department of Anesthesiology, Pain Mechanisms Laboratory, Wake Forest University School of Medicine, Winston-Salem, NC, USA,
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Shatnawi NJ, Al-Zoubi NA, Hawamdeh H, Khader YS, Omari AEK, Khammash MR. Redefined clinical spectra of diabetic foot syndrome. Vasc Health Risk Manag 2018; 14:291-298. [PMID: 30425505 PMCID: PMC6201996 DOI: 10.2147/vhrm.s169502] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Purpose The aim of this study was to present the redefined clinical spectra of diabetic foot syndrome (RCS-DFS) and determine whether the RCS-DFS can be used to predict amputations. Patients and methods This is a retrospective study of type 2 diabetic patients referred with DFS for management at King Abdullah University Hospital (KAUH) between January 2014 and December 2015. Data collection form and diabetic foot (DF) characteristic chart were used to document the following: demographic data, diabetes-related parameters, DF characteristics, surgical interventions and amputations. The predominant clinical presentations of DF problems (ulcer, sepsis or gangrene) were integrated with the clinical criteria for diabetic foot infection (DFI) diagnosis and classification of Infectious Diseases Association of America (IDSA)/International Working Group on Diabetic Foot (IWGDF) to redefine the clinical spectra of DFS. Related risk characteristics and amputation rate at all levels were compared between the three RCS. Results In this study, there were 95 (47.0%) septic DFS (SDFS) patients, 65 (32.2%) ulcerative DFS (UDFS) patients and 42 (20.8%) gangrenous DFS (GDFS) patients. Poor glycemic control (HbA1c >7.5%), hypertension, history of the same foot problems, duration of symptoms, revascularizations and ischemic severity were significantly different between the three RCS. UDFS had the highest rate of limb salvage without amputations (70.8%). GDFS had the highest rate for final toe amputations (52.4%) and major amputations (23.8%). Final minor amputation rate was around 20% for both SDFS and GDFS. Conclusion Redefining DFS into ulcerative, septic and gangrenous by integration of the predominant clinical presentation and the clinical criteria for DFI diagnosis and classification of IDSA/IWGDF showed significant differences in amputation rate. Therefore, it can be used clinically to categorize patients with DFS to predict amputations and to help in planning their management. Further prospective studies are suggested to validate these results.
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Affiliation(s)
- Nawaf J Shatnawi
- Department of Surgery, Jordan University of Science and Technology, Irbid, Jordan,
| | - Nabil A Al-Zoubi
- Department of Surgery, Jordan University of Science and Technology, Irbid, Jordan,
| | - Hasan Hawamdeh
- Department of Basic Medical Science, Faculty of Medicine, Hashemite University, Zarqa, Jordan
| | - Yousef S Khader
- Department of Community Medicine, Public Health and Family Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Abd El-Karim Omari
- Department of Surgery, Jordan University of Science and Technology, Irbid, Jordan,
| | - Muhammad R Khammash
- Department of Surgery, Jordan University of Science and Technology, Irbid, Jordan,
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Sarfo-Kantanka O, Kyei I, Mbanya JC, Owusu-Ansah M. Diabetes-related foot disorders among adult Ghanaians. Diabet Foot Ankle 2018; 9:1511678. [PMID: 30202507 PMCID: PMC6127807 DOI: 10.1080/2000625x.2018.1511678] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2018] [Revised: 07/30/2018] [Accepted: 08/05/2018] [Indexed: 01/13/2023]
Abstract
Background: Diabetic foot remains a challenge in most low-middle-income countries (LMICs). A severe deficit in data exists on them in sub-Saharan Africa (SSA). Up-to-date data on the longitudinal trajectories and determinants can provide a benchmark for reducing diabetic foot complications in SSA. Objective: The primary objective of this study was to estimate trends in the incidence of diabetic foot and determine predictors in an adult Ghanaian diabetes cohort. Design: The study is a retrospective longitudinal study over a 12 year period. Methods: We applied Poisson regression analysis and Cox proportional hazard models to demographic and clinical information obtained from patients who enrolled in a diabetes specialist clinic in Ghana from 2005 to 2016 to identify longitudinal trends in incidence and predictors of diabetic foot. Results: The study comprised 7383 patients (63.8% female, mean follow-up duration: 8.6 years). The mean incidence of foot disorders was 8.39% (5.27% males and 3.12% females). An increase in the incidence of diabetic foot ranging from 3.25% in 2005 to 12.57% in 2016, p < 0.001, was determined. Diabetic foot, with adjusted hazard ratio (HR; 95% confidence interval (CI)), was predicted by disease duration, that is, for every 5-year increase in diabetes duration: 2.56 (1.41-3.06); male gender: 3.51 (1.41-3.06); increased body mass index (BMI), that is, for every 5 kg/m2: 3.20 (2.51-7.52); poor glycaemic control, that is, for every percentage increase in HbA1c: 1.11 (1.05-2.25), hypertension: 1.14 (1.12-3.21); nephropathy: 1.15 (1.12-3.21); and previous foot disorders: 3.24 (2.12-7.21). Conclusions: We have found a trend towards an increased incidence of diabetic foot in an outpatient tertiary diabetes setting in Ghana. Systemic and individual-level factors aimed at preventive foot screening as well as vascular risk factor control should be intensified in diabetic patients in Ghana and other LMICs. Abbreviations: BMI: Body Mass Index, BP: Blood Pressure, CI: Confidence Interval, HR: Hazard Ratio, HbA1c: Glycated Hemoglobin, PAD: Peripheral Arterial Disease, NCDs: Non Communicable Disease, SSA: Sub Saharan Africa.
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Affiliation(s)
- Osei Sarfo-Kantanka
- Directorate of Internal Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana
| | - Ishmael Kyei
- General Surgery Department, Komfo Anokye Teaching Hospital, Kumasi, Ghana
| | | | - Micheal Owusu-Ansah
- Department of Family Medicine, Komfo Anokye Teaching Hospital, Kumasi, Ghana
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Shatnawi NJ, Al-Zoubi NA, Hawamdeh HM, Khader YS, Garaibeh K, Heis HA. Predictors of major lower limb amputation in type 2 diabetic patients referred for hospital care with diabetic foot syndrome. Diabetes Metab Syndr Obes 2018; 11:313-319. [PMID: 29950877 PMCID: PMC6018853 DOI: 10.2147/dmso.s165967] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
PURPOSE This study was conducted to determine the risk factors of major lower extremity amputations in type 2 diabetic patients referred for hospital care with diabetic foot syndrome. PATIENTS AND METHODS This retrospective study involved 225 type 2 diabetic patients referred for management of diabetic foot syndrome at King Abdullah University Hospital in the period between January 2014 and December 2015. A structured customized diabetic foot data collection form with diabetic foot characteristics chart was used for documentation of relevant information, which checks for age, sex, body mass index, smoking, duration of diabetes, diabetic control therapy, associated hypertension, cardiac diseases, stroke, chronic renal impairment, renal replacement therapy (hem-dialysis), and history of diabetes-related complication in both feet prior to the study period. The predictors for major lower limb amputations were compared between groups using chi-square test, and binary logistic regression was used to determine the factors associated with major amputation. RESULTS Twenty-seven limbs underwent major amputations with an overall rate of major amputation of 11.6%. The following predictors were found to be associated with the higher incidence of major lower limb amputations: duration of diabetes ≥15 years, HbA1c ≥8%, patients on insulin, with hypertension, cardiac diseases, chronic renal impairment, stroke, having gangrene, higher number of components, higher Wagner classification, and ischemia. However, the rate did not differ significantly between men and women. CONCLUSION Presentation with gangrenous tissue and poor glycemic control are the important risks and significant predictive factors for type 2 diabetes-related major lower limb amputations.
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Affiliation(s)
- Nawaf J Shatnawi
- Department of Surgery, Jordan University of Science and Technology, Irbid, Jordan
| | - Nabil A Al-Zoubi
- Department of Surgery, Jordan University of Science and Technology, Irbid, Jordan
| | - Hassan M Hawamdeh
- Department of Basic Medical Science, Jordan University of Science and Technology, Irbid, Jordan
| | - Yousef S Khader
- Department of Community Medicine, Public Health and Family Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Khaled Garaibeh
- Department of Orthopedic Surgery, Jordan University of Science and Technology, Irbid, Jordan
| | - Hussein A Heis
- Department of Surgery, Jordan University of Science and Technology, Irbid, Jordan
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Patil A, More D, Patil A, Jadhav KA, Vijil Mejia ME, Patil SS. Clinical, Etiological, Anatomical, and Bacteriological Study of "Diabetic Foot" Patients: Results of a Single Center Study. Cureus 2018; 10:e2498. [PMID: 29928559 PMCID: PMC6005397 DOI: 10.7759/cureus.2498] [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] [Indexed: 11/17/2022] Open
Abstract
Objective: To examine the clinical pattern of foot-related complications in type 2 diabetes patients. Material and methods: A cross-sectional study was conducted among indoor, adult type 2 diabetes patients with risk factors for diabetic foot complications. The diabetic neuropathy symptom score (DNSS), Doppler scanning, ankle brachial pressure index (ABPI) assessment, neuropathy assessment, neuropathic disability score (NDS), biothesiometry evaluation, and bacteriological examination was performed. Diabetic foot risk stratification was done using the NICE risk stratification system. Foot ulcer severity was assessed with the Lipsky severity grading system. Results: Ninety-one patients (mean age 59 years; male 65.9%) were included, of which 20 (22%) had a history of ulcer and 40 (44%) were smokers. Seventy-seven (83.5%) patients had a neuropathy symptom score between 4 and 9. Biothesiometry vibration perception threshold (VPT) was “severe” in 55 (60.4%) patients. Doppler assessment showed triphasic flow in 53 patients (58.2%). Out of 52 patients (57.1%) with neuropathy, 30 (57.7%) had a severe problem. Diabetic foot ulcer, cellulitis, and callus were present in 44 (48.3%), 29 (31.5%), and 11 (12.4%) patients, respectively. Foot ulcers were present on 21 (38%) metatarsal heads, 11 (20%) toes, 10 (18%) heels, 08 (15%) ankles, and 05 (09%) lateral foot borders. Of the 55 patients who underwent culture examination, 30 (33.3%) showed the presence of Staphylococcus aureus. As per NICE risk stratification, 55 patients (60%) were at “very high risk.” Conclusion: A foot ulcer is the commonest complication in diabetic patients followed by cellulitis. Standardized simple noninvasive testing methods should be used to identify patients at risk for the diabetic foot. Multidisciplinary diabetic foot care could be useful to prevent diabetes-related amputation of the lower extremities.
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Affiliation(s)
| | | | - Anant Patil
- Pharmacology, Dr Dy Patil Medical College, Navi Mumbai
| | | | | | - Suresh S Patil
- Sona Hospital, Appasaib Patil Nagar, Sangli, Sona Hospital, Sangli
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Gonchar IV, Lipunov AR, Afanasov IM, Larina V, Faller AP, Kibardin AV. Platelet rich plasma and growth factors cocktails for diabetic foot ulcers treatment: State of art developments and future prospects. Diabetes Metab Syndr 2018; 12:189-194. [PMID: 29050916 DOI: 10.1016/j.dsx.2017.09.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Accepted: 09/20/2017] [Indexed: 01/13/2023]
Abstract
Current advances in diabetic foot ulcers (DFU) treatment are discussed. Normal and pathological wound healing process are observed and the role of growth factors (GFs) is elucidated. Current techniques involving GFs and platelet rich plasma (PRP) are compared. Up-to-date research suggests that treatment with single growth factor (GF) could be insufficient and not encompassing all pathological changes in DFU bed. Efficiency of PRP is rather controversial and lacks evidence. Thus the use of cocktail of particular GFs is suggested. Pro et contra of each approach are discussed.
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Affiliation(s)
- I V Gonchar
- Center for Theoretical Problems of Physicochemical Pharmacology, RAS, Moscow, Russia
| | - A R Lipunov
- Moscow State University, Chemistry Department, Moscow, Russia.
| | | | - V Larina
- Pirogov Russian National Research Medical University, Moscow, Russia
| | - A P Faller
- Pirogov Russian National Research Medical University, Moscow, Russia
| | - A V Kibardin
- Institute of Gene Biology of the Russian Academy of Sciences, Moscow, Russia; Dmitry Rogachev National Research Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russia.
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Howell RS, Criscitelli T, Woods JS, Gillette BM, Brem H, Gorenstein S. A Perioperative Approach to Increase Limb Salvage When Treating Foot Ulcers in Patients With Diabetes. AORN J 2018; 107:431-440. [PMID: 29595900 DOI: 10.1002/aorn.12099] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Foot ulceration in patients with diabetes increases the risk of lower extremity amputation. Major amputations produce substantial adverse consequences, increase length of hospital stay, diminish quality of life, and increase mortality. In this article, we describe approaches that decrease amputations and improve the quality of life for patients with diabetes and foot ulcers. We highlight the role of the perioperative nurse, who is essential to providing optimal patient care in the perioperative period. Perioperative care of patients with diabetes involves providing optimal surveillance for a break in the skin of the foot, screening for neuropathy, following guidelines for foot ulcer infections, preparing for pathophysiology-based debridement, using adjuvant therapies, and offloading the patient's affected foot. Nurses should understand the disease process and pathophysiology and how to use these approaches in the perioperative setting to assist in curtailing the morbidity and mortality associated with foot ulcers in patients with diabetes.
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Costa RHR, Cardoso NA, Procópio RJ, Navarro TP, Dardik A, de Loiola Cisneros L. Diabetic foot ulcer carries high amputation and mortality rates, particularly in the presence of advanced age, peripheral artery disease and anemia. Diabetes Metab Syndr 2017; 11 Suppl 2:S583-S587. [PMID: 28465149 DOI: 10.1016/j.dsx.2017.04.008] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Accepted: 04/10/2017] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Foot ulcer is also a clinical marker for limb amputation and for death in diabetic patients. The purpose of this study was to determine amputation and mortality rates and its associated factors in patients with diabetic foot ulcerations in a tertiary hospital in Brazil. METHODS Retrospective medical records from 654 diabetic foot patients were reviewed. The risk factors were determined using the conditional logistic regression model analysis. RESULTS The mean patient age was 63.1 years (SD 12.20). Peripheral arterial disease was present in 160 patients (24.5%). Major amputations were performed in 135 (21%). The in-hospital mortality rate was 12% and the mortality rate of the amputees was 22.2%. The lowest hemoglobin level, the median value was 9.50g/dL, (4.0-17.0). Anemia was detected in 89.6% of patients submitted to amputation and in 82,1% of those who died. Hemoglobin <11g/dL was the most significant risk factor for major amputation (odds ratio 5.57, p<0.0001). The presence of peripheral arterial disease and old age were also a risk for major amputation (odds ratio 1.84, p=0.007 and 1.02, p=0.028, respectively). Factors associated with increased risk for death were hemoglobin <11g/dL (odds ratio 4.04, p<0.001), major amputation (1.79, p=0.03) and old age (1.05, p<0,001). CONCLUSIONS Diabetic foot ulcer is associated with high amputation and mortality rates. Old age, peripheral arterial disease and low hemoglobin level are risk factor for major amputation. Old age, major amputation and low hemoglobin level are risk factors for death.
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Affiliation(s)
| | - Natália Anício Cardoso
- Post-Graduate Program for Surgery and Ophthalmology, Faculty of Medicine, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Ricardo Jayme Procópio
- Endovascular Unit of University Hospital, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Túlio Pinho Navarro
- Faculty of Medicine, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Alan Dardik
- Department of Surgery, Yale School of Medicine, New Haven, CT, USA
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Dillon MP, Quigley M, Fatone S. A systematic review describing incidence rate and prevalence of dysvascular partial foot amputation; how both have changed over time and compare to transtibial amputation. Syst Rev 2017; 6:230. [PMID: 29162147 PMCID: PMC5696800 DOI: 10.1186/s13643-017-0626-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Accepted: 11/13/2017] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Partial foot amputation (PFA) is a common consequence of advanced peripheral vascular disease. Given the different ways incidence rate and prevalence data have been measured and reported, it is difficult to synthesize data and reconcile variation between studies. As such, there is uncertainty in whether the incidence rates and prevalence of PFA have increased over time compared to the decline in transtibial amputation (TTA). The aims of this systematic review were to describe the incidence rate and prevalence of dysvascular PFA over time, and how these compare to TTA. METHOD Databases (i.e., MEDLINE, EMBASE, psychINFO, AMED, CINAHL, ProQuest Nursing and Allied Health) were searched using MeSH terms and keywords related to amputation level and incidence rate or prevalence. Original research published in English from 1 January 2000 to 31 December 2015 were independently appraised, and data extracted, by two reviewers. The McMaster Critical Review Forms were used to assess methodological quality and bias. Results were reported as narrative summaries given heterogeneity of the literature and included the weighted mean annual incidence rate and 95% confidence interval. RESULTS Twenty two cohort studies met the inclusion criteria. Twenty one reported incidence rate data for some level of PFA; four also included a TTA cohort. One study reported prevalence data for a cohort with toe(s) amputation. Samples were typically older, male and included people with diabetes among other comorbidities. Incidence rates were reported using a myriad of denominators and strata such as diabetes type or initial/recurrent amputation. CONCLUSION When appropriately grouped by denominator and strata, incidence rates were more homogenous than might be expected. Variation between studies did not necessarily reduce confidence in the conclusion; for example, incidence rate of PFA were many times larger in cohorts with diabetes (94.24 per 100,000 people with diabetes; 95% CI 55.50 to 133.00) compared to those without (3.80 per 100,000 people without diabetes; 95% CI 1.43 to 6.16). It is unclear whether the incidence rates of PFA have changed over time or how they have changed relative to TTA. Further research requires datasets that include a large number of amputations each year and lengthy time periods to determine whether small annual changes in incidence rates have a cumulative and statistically significant effect over time. SYSTEMATIC REVIEW REGISTRATION PROSPERO CRD42015029186 .
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Affiliation(s)
- Michael P Dillon
- Discipline of Prosthetics and Orthotics, College of Science, Health and Engineering, La Trobe University, Melbourne, 3086, Australia.
| | - Matthew Quigley
- Discipline of Prosthetics and Orthotics, College of Science, Health and Engineering, La Trobe University, Melbourne, 3086, Australia
| | - Stefania Fatone
- Northwestern University Prosthetics-Orthotics Center, Feinberg School of Medicine, Northwestern University, 680 N Lake Shore Drive, Suite 1100, Chicago, IL, 60611, USA
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Laurent I, Astère M, Wang KR, Cheng QF, Li QF. Efficacy and Time Sensitivity of Amniotic Membrane treatment in Patients with Diabetic Foot Ulcers: A Systematic Review and Meta-analysis. Diabetes Ther 2017; 8:967-979. [PMID: 28895073 PMCID: PMC5630554 DOI: 10.1007/s13300-017-0298-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Indexed: 02/02/2023] Open
Abstract
INTRODUCTION Diabetic foot ulcers (DFUs) are complex chronic wounds which have a major long-term impact on the morbidity, mortality and quality of patients. The objective of this study was to assess the efficacy and time sensitivity of human amnion/chorion membrane treatment in patients with chronic DFUs. METHODS The Cochrane Library, PubMed, Embase and Web of Science databases were systematically searched to identify relevant articles up to 10 April 2017. All randomized controlled trials (RCTs) comparing human amnion/chorion membrane + standard therapy and standard therapy alone in patients with DFUs were included in the analysis. Eligible studies were reviewed and data extracted into standard form. The Cochrane Collaboration's tool for assessing the risk of bias was used. Review manager version 5.3 software was used for statistical analysis. Data were analyzed using a random effect model. RESULTS Overall, the initial search of the four databases identified 352 published studies; of these, seven RCTS were ultimately included in the meta-analysis. The overall test effect in the group assessed at 4 weeks was Z = 4.14 [P < 0.0001; odds ratio (OR) 0.05; 95% confidence interval (CI) 0.01-0.21]. The overall test effect in the group assessed at 6 weeks was Z = 4.28 (P < 0.0001; OR 0.07; 95% CI 0.02-0.23). The overall effect in the group assessed at 12 weeks was Z = 4.96 (P < 0.00001; OR 0.10; 95% CI 0.04-0.24. The results showed that patients receiving amniotic membrane + standard therapy had far fewer incomplete healing wounds than those receiving standard of care alone. Assessment of the wound healing state at 4 and 6 weeks revealed that the wound healing state was almost the same, but there was a net difference of wound healing state at 12 weeks. CONCLUSION Human amnion/chorion membrane + standard of care treatment heals DFUs significantly faster than standard of care alone. When using the amnion in patients with DFUs, the optimal times to assess progress in wound healing should be 4 and 12 weeks.
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Affiliation(s)
- Irakoze Laurent
- Department of Endocrinology, First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Manirakiza Astère
- Department of Oncology, First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Kan Ran Wang
- Department of Endocrinology, First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Qing-Feng Cheng
- Department of Endocrinology, First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
| | - Qi Fu Li
- Department of Endocrinology, First Affiliated Hospital of Chongqing Medical University, Chongqing, China
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Asadi MR, Torkaman G, Hedayati M, Mohajeri-Tehrani MR, Ahmadi M, Gohardani RF. Angiogenic effects of low-intensity cathodal direct current on ischemic diabetic foot ulcers: A randomized controlled trial. Diabetes Res Clin Pract 2017; 127:147-155. [PMID: 28371685 DOI: 10.1016/j.diabres.2017.03.012] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2016] [Accepted: 03/16/2017] [Indexed: 12/27/2022]
Abstract
AIMS This study investigated the effect of low-intensity cathodal direct current (CDC) of electrical stimulation (ES) on the release of hypoxic inducible factor-1α (HIF-1α), nitric oxide (NO), vascular endothelial growth factor (VEGF), and soluble VEGF receptor-2 (sVEGFR-2) in the wound fluid of ischemic diabetic foot ulcers (DFUs). METHODS This study was a randomized, single-blind, placebo-controlled trial. Thirty type 2 diabetes patients with ischemic foot ulcerations were randomly assigned to receive either low-intensity CDC at sensory threshold (ES group, n=15) or placebo treatment (control group, n=15) for 1h/day, 3days/week, for 4weeks (12 sessions). After debridement during the first and twelfth treatment sessions, wound fluid was collected before and after ES application to determine the levels of HIF-1α, NO, VEGF, and sVEGFR-2. Wound surface area (WSA) was measured at the first, sixth, and twelfth sessions. RESULTS At the first session, after ES application, wound-fluid levels of HIF-1α were significantly increased (+61.98pg/mL) compared to the control group (-3.85pg/mL, P=0.01). After ES application at the first and twelfth sessions, wound-fluid levels of VEGF were also significantly increased (+36.77 and +39.57pg/mL, respectively) compared to the control group (+4.15 and +0.15pg/mL, P=0.007 and P=0.019, respectively). There was no significant effect on NO and sVEGFR-2 levels between the groups. CONCLUSIONS Low-intensity CDC has positive effects on the release of HIF-1α and VEGF in the wound area of ischemic DFUs. Furthermore, our results suggest that applying ES to ischemic DFUs can be a promising way to promote angiogenesis and to achieve better outcomes in diabetic wound healing.
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Affiliation(s)
- Mohammad Reza Asadi
- Department of Physical Therapy, School of Rehabilitation Sciences, Hamadan University of Medical Sciences, Hamadan, Iran; Physical Therapy Department, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Giti Torkaman
- Physical Therapy Department, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
| | - Mehdi Hedayati
- Cellular and Molecular Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Mousa Ahmadi
- Faculty of Medicine, Aja University of Medical Sciences, Tehran, Iran
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de Jesus-Silva SG, de Oliveira JP, Brianezi MHC, Silva MADM, Krupa AE, Cardoso RS. Análise dos fatores de risco relacionados às amputações maiores e menores de membros inferiores em hospital terciário. J Vasc Bras 2017; 16:16-22. [PMID: 29930618 PMCID: PMC5829687 DOI: 10.1590/1677-5449.008916] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Contexto As amputações dos membros inferiores, sejam definidas como maiores ou menores, são um grave problema de saúde, com altos índices de morbimortalidade e de relevante impacto social. Diferentes características clínicas dos pacientes parecem estar relacionadas aos diferentes tipos de amputação realizados. Objetivos Analisar os fatores de risco presentes em pacientes submetidos a amputações de membros inferiores em hospital terciário. Métodos Estudo retrospectivo, transversal, envolvendo 109 pacientes submetidos a amputação de membro inferior em um período de 31 meses, através da análise de gênero e idade, 15 dados clínicos e cinco parâmetros laboratoriais presentes no momento da admissão. Os dados foram submetidos a estatística descritiva e comparativa através do teste t de Student não pareado (para variáveis numéricas), e dos testes de Mann-Whitney e exato de Fisher (para variáveis categóricas). Resultados Das 109 amputações realizadas, 59 foram maiores e 50 menores. A maioria dos pacientes era do gênero masculino (65%), e a média de idade foi de 65 anos (mín. 39, máx. 93). Dentre os fatores de risco observados, idade avançada, acidente vascular encefálico, isquemia, sepse e níveis baixos de hemoglobina e hematócrito estavam estatisticamente mais relacionados às amputações maiores (p < 0,05). Diabetes melito, neuropatia e pulsos distais palpáveis foram fatores mais associados às amputações menores. Conclusões Os níveis das amputações de membros inferiores estão relacionados a diferentes fatores de risco. Os quadros isquêmicos mais graves e de maior morbidade estiveram associados a amputações maiores, enquanto a neuropatia e perfusão preservada, mais relacionados às amputações menores.
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Budiman-Mak E, Epstein N, Brennan M, Stuck R, Guihan M, Huo Z, Emanuele N, Sohn MW. Systolic blood pressure variability and lower extremity amputation in a non-elderly population with diabetes. Diabetes Res Clin Pract 2016; 114:75-82. [PMID: 26809904 PMCID: PMC4841717 DOI: 10.1016/j.diabres.2016.01.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2015] [Revised: 10/13/2015] [Accepted: 01/07/2016] [Indexed: 11/20/2022]
Abstract
OBJECTIVE Systolic blood pressure (SBP) variability is emerging as a new risk factor for cardiovascular diseases, diabetic nephropathy, and other atherosclerotic conditions. Our objective is to examine whether it has any prognostic value for lower-extremity amputations. RESEARCH DESIGN AND METHODS This is a nested case-control study of a cohort of patients with diabetes aged<60 years and treated in the US Department of Veterans Healthcare system in 2003. They were followed over five years for any above-ankle (major) amputations. For each case with a major amputation (event), we randomly selected up to five matched controls based on age, sex, race/ethnicity, and calendar time. SBP variability was computed using three or more blood pressure measures taken during the one-year period before the event. Patients were classified into quartiles according to their SBP variability. RESULTS The study sample included 1038 cases and 2932 controls. Compared to Quartile 1 (lowest variability), Quartile 2 had 1.4 times (OR=1.44, 95% CI=1.00-2.07) and Quartiles 3 and 4 (highest) had 2.5 times (OR for Quartile 3=2.62, 95% CI=1.85-3.72; OR for Quartile 4=2.50, 95% CI=1.74-3.59) higher risk of major amputation (P for trend<0.001). This gradient relationship held in both normotensive and hypertensive groups as well as for individuals without prior peripheral vascular disease. CONCLUSIONS This is the first study to show a significant graded relationship between SBP variability and risk of major amputation among non-elderly persons with diabetes.
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Affiliation(s)
- Elly Budiman-Mak
- Hines VA Hospital, 5000 South 5th Avenue, Hines, IL 60141, USA; Stritch School of Medicine, Loyola University Chicago, 2160 South 1st Avenue, Maywood, IL 60153, USA
| | - Noam Epstein
- Hines VA Hospital, 5000 South 5th Avenue, Hines, IL 60141, USA
| | - Meghan Brennan
- Middleton VA Medical Center, 2500 Overlook Terrace, Madison, WI 53705, USA; School of Medicine and Public Health, University of Wisconsin, 750 Highland Avenue, Madison, WI 53726, USA
| | - Rodney Stuck
- Hines VA Hospital, 5000 South 5th Avenue, Hines, IL 60141, USA; Stritch School of Medicine, Loyola University Chicago, 2160 South 1st Avenue, Maywood, IL 60153, USA
| | - Marylou Guihan
- Hines VA Hospital, 5000 South 5th Avenue, Hines, IL 60141, USA; Department of Physical Medicine and Rehabilitation and Center for Healthcare Studies, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Zhiping Huo
- Hines VA Hospital, 5000 South 5th Avenue, Hines, IL 60141, USA
| | - Nicholas Emanuele
- Hines VA Hospital, 5000 South 5th Avenue, Hines, IL 60141, USA; Stritch School of Medicine, Loyola University Chicago, 2160 South 1st Avenue, Maywood, IL 60153, USA
| | - Min-Woong Sohn
- Department of Public Health Sciences, University of Virginia School of Medicine, Hospital West, 3rd Floor, RM 3181, Charlottesville, VA 22908, USA.
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Rasmussen BSB, Yderstraede KB, Carstensen B, Skov O, Beck-Nielsen H. Substantial reduction in the number of amputations among patients with diabetes: a cohort study over 16 years. Diabetologia 2016; 59:121-129. [PMID: 26590707 DOI: 10.1007/s00125-015-3781-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2015] [Accepted: 09/11/2015] [Indexed: 10/22/2022]
Abstract
AIMS/HYPOTHESIS The aim of this study was to describe the trends in rates of amputation among individuals with and without diabetes. METHODS We studied amputation rates in the County of Funen (approximately 0.5 million residents) during the period 1996-2011. Amputations were identified from the hospital administrative system, diabetes status by linkage with the Danish National Diabetes Register, and mortality and population data by extraction from Statistics Denmark. Amputation rates were analysed using proportional hazard models. We analysed the incidence of the first amputation at each level as well as the incidence of further amputations, subdivided by level of amputation. RESULTS During the period 1996-2011, a total of 2,832 amputations were performed, of which 1,285 were among patients with diabetes and 1,547 among individuals without diabetes. Relative to persons without diabetes, patients with diabetes had an HR for below-ankle amputations (BAAs) of 14.7 for men and 7.5 for women, and for from-ankle-to-knee amputations (BKAs) of 7.6 and 8.4 for men and women, respectively. For above-knee amputations (AKAs) the numbers were 4.0 for men and 3.7 for women. We found an annual reduction in BAA rates among patients with diabetes of 9.8%, and the annual reduction in BKA for patients with diabetes was 15.1%. CONCLUSIONS/INTERPRETATION The amputation rate in patients with diabetes is still several-fold higher than in persons without diabetes, but the improvements in diabetes care in recent years have resulted in a steady decline in amputation rates among patients with diabetes from this Danish cohort.
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Affiliation(s)
- Benjamin S B Rasmussen
- Department of Medical Endocrinology, Odense University Hospital Denmark, Sdr. Boulevard 29, 5000, Odense C, Denmark.
| | - Knud B Yderstraede
- Department of Medical Endocrinology, Odense University Hospital Denmark, Sdr. Boulevard 29, 5000, Odense C, Denmark
| | | | - Ole Skov
- Department of Orthopaedic Surgery, Odense University Hospital, Odense, Denmark
| | - Henning Beck-Nielsen
- Department of Medical Endocrinology, Odense University Hospital Denmark, Sdr. Boulevard 29, 5000, Odense C, Denmark
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Salem A, Tawfik AM. Role of Platelet Rich Plasma in Treatment of Diabetic Foot Ulcers. ACTA ACUST UNITED AC 2016. [DOI: 10.4236/ss.2016.76038] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Opioid use in the management of diabetic peripheral neuropathy (DPN) in a large commercially insured population. Clin J Pain 2015; 31:414-24. [PMID: 25853725 DOI: 10.1097/ajp.0000000000000124] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
OBJECTIVE To examine the proportion of diabetic peripheral neuropathy (DPN) patients receiving pharmacologic DPN treatments and specifically to identify the rates and factors associated with opioid use and first-line opioid use. METHODS A 10% sample of IMS-LifeLink claims data from 1998 through 2008 was used. The study population consisted of diabetic patients who met DPN criteria using a validated DPN algorithm. Multivariable logistic regression controlling for demographics, comorbidities, and other clinical characteristics was used to identify factors associated with any DPN pharmacologic treatment, any opioid use, and first-line opioid treatment. Sensitivity analyses were conducted to explore variations in exclusion criteria as well as opioid use definitions. RESULTS A total of 666 DPN patients met inclusion criteria and pharmacologic treatment was received by 288 patients (43.24%) and of those, 154 (53.47%) had DPN-related opioid use and 96 (33.33%) received opioid as first-line treatment. Persons with diabetic complications were more likely to use opioids (odds ratio=4.53; 95% confidence interval, 1.09-18.92). Food and Drug Administration-approved DPN agents duloxetine 1.04% (n=3) and pregabalin 5.56% (n=16) had much lower rates of use. DPN-related drug use and DPN-related opioid usage increased as we used less restrictive samples in sensitivity analyses. CONCLUSIONS Opioids were the most frequently prescribed first-line agents for DPN. More than 50% of DPN patients remained untreated with pharmacologic agents 1 year after a DPN diagnosis.
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Baba M, Davis WA, Norman PE, Davis TME. Temporal changes in the prevalence and associates of diabetes-related lower extremity amputations in patients with type 2 diabetes: the Fremantle Diabetes Study. Cardiovasc Diabetol 2015; 14:152. [PMID: 26684912 PMCID: PMC4683723 DOI: 10.1186/s12933-015-0315-z] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Accepted: 12/04/2015] [Indexed: 12/14/2022] Open
Abstract
Background
To determine temporal changes in the prevalence and associates of lower extremity amputation (LEA) complicating type 2 diabetes. Methods Baseline data from the longitudinal observational Fremantle Diabetes Study (FDS) relating to LEA and its risk factors collected from 1296 patients recruited to FDS Phase 1 (FDS1) from 1993 to 1996 and from 1509 patients recruited to FDS Phase 2 (FDS2) from 2008 to 2011 were analysed. Multiple logistic regression was used to determine associates of prevalent LEA in individual and pooled phases. Generalised linear modelling was used to examine whether diabetes related LEA prevalence and its associates had changed between Phases. Results There were 15 diabetes-related LEAs at baseline in FDS1 (1.2 %) and 15 in FDS2 (1.0 %; P = 0.22 after age, sex and race/ethnicity adjustment). In multivariable analysis, independent associates of a baseline LEA in FDS1 were a history of vascular bypass surgery or revascularisation, urinary albumin:creatinine ratio, peripheral sensory neuropathy and cerebrovascular disease (P ≤ 0.035). In FDS2, prevalent LEA was independently associated with a history of vascular bypass surgery or revascularisation, past hospitalisation for/current foot ulcer and fasting serum glucose (P ≤ 0.001). In pooled analyses, a history of vascular bypass or revascularisation, past hospitalisation for/current foot ulcer at baseline, urinary albumin:creatinine ratio (P < 0.001), as well as FDS Phase as a binary variable [odds ratio (95 % confidence interval): 0.28 (0.09–0.84) for FDS2 vs FDS1, P = 0.023] were associated with a lower risk of LEA at study entry. Conclusions The risk of prevalent LEA in two cohorts of patients with type 2 diabetes from the same Australian community fell by 72 % over a 15-year period after adjustment for important between-group differences in diabetes-related and other variables. This improvement reflects primary care foot health-related initiatives introduced between Phases, and should have important individual and societal benefits against a background of a progressively increasing diabetes burden.
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Affiliation(s)
- Mendel Baba
- School of Medicine and Pharmacology, University of Western Australia, Fremantle Hospital, PO Box 480, Fremantle, WA, 6959, Australia. .,Podiatric Medicine Unit, University of Western Australia, Crawley, Perth, WA, Australia.
| | - Wendy A Davis
- School of Medicine and Pharmacology, University of Western Australia, Fremantle Hospital, PO Box 480, Fremantle, WA, 6959, Australia.
| | - Paul E Norman
- School of Surgery, University of Western Australia, Fremantle Hospital, Fremantle, WA, Australia.
| | - Timothy M E Davis
- School of Medicine and Pharmacology, University of Western Australia, Fremantle Hospital, PO Box 480, Fremantle, WA, 6959, Australia.
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Burdette-Taylor MS. Prevent Wounds by Conducting a Comprehensive Foot Examination and Intervention. Healthcare (Basel) 2015; 3:586-92. [PMID: 27417781 PMCID: PMC4939567 DOI: 10.3390/healthcare3030586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Revised: 07/07/2015] [Accepted: 07/09/2015] [Indexed: 12/03/2022] Open
Abstract
Lower extremity wounds and falls are on the rise with the demographics and projected aging population. Diabetes and heart disease supersede cancer deaths. A basic foot exam—performed routinely on patients identified as high risk allows time for early intervention and prevention. A Certified Foot and Nail Care Nurse (CFCN) who evaluates clients on a regular basis, conducts a comprehensive lower extremity exam for loss of protective sensation (LOPS) and compromised peripheral blood flow is more likely to provide needed care in a timely manner. Why a nurse? Because nurses who have the level of education, expertise through acquired training, and are board certified are competent to assess, educate, provide intervention, and refer. Utilizing CFCNs is cost-effective and efficient. CFCN is utilized as a member of the multidisciplinary team. Nurses are educators and education is an effective method for prevention. Nurses, as the most trusted health care provider, communicate, establish rapport, and develop sustaining relationships. Utilizing the Wound Ostomy Continence Nurses’ Credentialing Board (WOCNCB) CFCN raises the standard of care substantially and reduces overall costs to life, limbs, and dollars. This innovation in practice improves outcomes, patient satisfaction, and safety while reducing hospital admissions.
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Affiliation(s)
- Michele Shelly Burdette-Taylor
- Health Science Building, College of Health, School of Nursing, University of Alaska Anchorage, #357, 3211 Providence Drive, Anchorage, AK 99508, USA.
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Chang CF, Chang CC, Hwang SL, Chen MY. Effects of Buerger Exercise Combined Health-Promoting Program on Peripheral Neurovasculopathy Among Community Residents at High Risk for Diabetic Foot Ulceration. Worldviews Evid Based Nurs 2015; 12:145-53. [DOI: 10.1111/wvn.12091] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/18/2015] [Indexed: 11/28/2022]
Affiliation(s)
- Chyong-Fang Chang
- Nursing Instructor, Nursing Department, Min-Hwei College of Health Care Management; Tainan Taiwan
| | - Chang-Cheng Chang
- Attending Surgeon, Plastic Surgery; Chang Gung Memorial Hospital; Chayi Taiwan
| | - Su-Lun Hwang
- Assistant Professor, College of Nursing; Chang Gung University of Science and Technology; Chayi Taiwan
| | - Mei-Yen Chen
- Professor, Community Health Nursing, College of Nursing; Chang Gung University of Science and Technology; Chayi Taiwan
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Rhou YJJ, Henshaw FR, McGill MJ, Twigg SM. Congestive heart failure presence predicts delayed healing of foot ulcers in diabetes: An audit from a multidisciplinary high-risk foot clinic. J Diabetes Complications 2015; 29:556-62. [PMID: 25804931 DOI: 10.1016/j.jdiacomp.2015.02.009] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2014] [Revised: 02/11/2015] [Accepted: 02/15/2015] [Indexed: 12/17/2022]
Abstract
AIMS This retrospective study aimed to investigate both established and less well-explored factors as potential predictive variables for failed and delayed ulcer healing. METHODS Patients with type 1 or 2 diabetes with foot ulceration presenting consecutively to, and then subsequently managed at, a multidisciplinary, high-risk foot clinic were followed until ulcer healing, amputation or death. Data comprised prospective standardised documentation at each visit and retrospective collection from hospital records, and included patient demographics, comorbidities, laboratory variables, and ulcer infection, depth and area at each presentation. Multiple regression analysis was used to determine independent predictors of failure to heal and delayed healing. RESULTS Of the 107 consecutive patients studied, 95 (89%) healed overall, 50 (47%) had healed in 12 weeks and the mean healing rate was a 10% decrease in ulcer area per week. Amongst all variables examined, comorbid congestive heart failure (CHF) was the only factor independently predictive of all measured outcomes of failure to heal overall, delayed healing at 12 weeks, and reduced healing rate. Ulcer infection at presentation, longer duration of antibiotic use, and liver enzyme abnormalities of raised ALT and AST:ALT<1 (each suggestive of non-alcoholic fatty liver disease), were also predictive of poor ulcer outcomes. CONCLUSIONS Comorbid congestive cardiac failure is predictive of delayed foot ulcer healing rate as well as a lower probability of healing overall. Liver enzyme abnormalities also predicted delayed ulcer healing outcomes. The mechanisms underlying these associations with foot ulcer outcomes in diabetes are unclear. Further studies are needed to determine the role of systematic routine documentation of heart failure and its severity, and then targeting of heart failure to potentially aid the management of foot ulcers in diabetes.
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Affiliation(s)
| | | | - M J McGill
- Sydney Medical School, University of Sydney; Diabetes Centre, Dept of Endocrinology, Royal Prince Alfred Hospital, Sydney
| | - S M Twigg
- Sydney Medical School, University of Sydney; Diabetes Centre, Dept of Endocrinology, Royal Prince Alfred Hospital, Sydney.
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Trends in Major Lower Limb Amputation Related to Peripheral Arterial Disease in Hungary: A Nationwide Study (2004-2012). Eur J Vasc Endovasc Surg 2015; 50:78-85. [PMID: 25842279 DOI: 10.1016/j.ejvs.2015.02.019] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2014] [Accepted: 02/25/2015] [Indexed: 11/23/2022]
Abstract
OBJECTIVES To assess the trends of peripheral arterial disease associated major lower limb amputation in Hungary over a 9 year period (2004-2012) in the whole Hungarian population. METHODS This was a retrospective cohort study employing administrative health care data. Major amputations were identified in the entire Hungarian population during a 9 year period (2004-2012) using the health care administrative data. Direct standardization was used to eliminate the potential bias induced by the different age and sex structure of the compared populations. For external direct standardization, the ESP 2013 was chosen as reference. RESULTS 76,798 lower limb amputations were performed. The number of major amputations was 38,200; these procedures affected 32,084 patients. According to case detection, 50.4% of the amputees were diabetic. The overall primary amputation rate was 71.5%. The annual crude and age adjusted major amputation rates exhibited no significant long-term pattern over the observation period. The major lower limb amputation incidence for the overall period was 42.3/10(5) in the total population and 317.9/10(5) in diabetic population. CONCLUSION According to this whole population based study from Hungary, the incidence of lower limb major amputation is high with no change over the past 9 years. An explanation for this remains to be determined, as the traditional risk factors in Hungary do not account for it. The characteristics of major amputation (the rate of primary amputation, the ratio of below to above knee amputation and the age of the affected population) underline the importance of screening, early detection, improved vascular care and an optimal revascularization policy. Standardization and validation of amputation detection methods and reporting is essential.
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Lai YJ, Hu HY, Lin CH, Lee ST, Kuo SC, Chou P. Incidence and risk factors of lower extremity amputations in people with type 2 diabetes in Taiwan, 2001-2010. J Diabetes 2015; 7:260-7. [PMID: 24823436 DOI: 10.1111/1753-0407.12168] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2014] [Accepted: 04/30/2014] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Diabetic patients have an increased risk of lower extremity amputations (LEAs). In the present study we analyzed the incidence of LEA in patients with type 2 diabetes mellitus (T2DM) in Taiwan from 2001 to 2010, and determined risk factors for LEA. METHODS Data from the Taiwan National Health Insurance Research Database collected between 1 January 2001 and 31 December 2010 were analyzed. First, the incidence of LEA in the diabetic population was calculated. Subsequently, patients with new-onset T2DM during the study period were selected, and Cox's proportional hazards model was used to identify factors associated with LEA. The characteristics of patients who underwent major and multiple amputations were also analyzed. RESULTS From 2001 to 2010, 1588 non-traumatic LEAs were performed among the study subjects; 776 (48.9%) were minor and 812 (51.1%) were major LEAs. Over the period in question, the incidence of LEAs decreased from 3.08 to 1.65 per 1000 person-years. Factors associated with LEA included peripheral arterial occlusive disease (hazard ratio [HR] 4.134; 95% confidence interval [CI] 2.72-6.29), diabetic neuropathy (HR 2.34; 95% CI 1.62-3.38), diabetic retinopathy (HR 2.07; 95% CI 1.12-3.82), heart failure (HR 2.13; 95% CI 1.45-3.15), male gender (HR 1.64; 95% CI 1.24-2.18), and adult onset diabetes (HR 1.02; 95% CI 1.01-1.04). Patients with a history of stroke were more likely to undergo major and multiple amputations (P < 0.001 and P < 0.01, respectively). CONCLUSIONS The incidence of LEA in the Taiwan diabetic population decreased over the study period. The results indicate that efforts to improve diabetic care should be supported and sustainable, especially for those at high risk.
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Affiliation(s)
- Yun-Ju Lai
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Puli Branch of Taichung Veterans General Hospital, Nantou, Taiwan; Institute of Public Health and Community Medicine Research Center, National Yang-Ming University, Taipei, Taiwan
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Santos ICRV, Carvalho EFD, Souza WVD, Albuquerque ECD. Factors associated with diabetic foot amputations. J Vasc Bras 2015. [DOI: 10.1590/1677-5449.20140049] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND: Diabetes and the problem of the diabetic foot specifically are a severe burden on the public healthcare system. Amputations caused by this condition are still common in our setting (Brazil), although the true magnitude of the problem is not known with certainty. Lower limb amputation rates have come to be seen as an indicator of the quality of preventative care of the diabetic foot. OBJECTIVE: To identify associations between amputations and factors related to people, to morbidities and to primary care received. METHODS: This was a cross-sectional study of a sample of 137 patients with diabetic feet admitted to a large hospital in the city of Recife, Pernambuco, Brazil. Logistic regression analysis was conducted. RESULTS: Associations with amputation were detected for the following variables: age over 60; resident of the Metro zone; income of three minimum salaries or less; presence of gangrene on admission; glycemia ≥ 126 mg/dL; smoking; not receiving information about results of glycemia testing; not having feet examined, and not being given guidance on caring for feet at consultations during the previous year. CONCLUSIONS: Factors related to Primary Care, such as time since onset of ulcers, information about results of glycemia testing and lack of guidance on how to care for their feet, were associated with occurrence of lower limb amputations.
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Rubio JA, Aragón-Sánchez J, Jiménez S, Guadalix G, Albarracín A, Salido C, Sanz-Moreno J, Ruiz-Grande F, Gil-Fournier N, Álvarez J. Reducing major lower extremity amputations after the introduction of a multidisciplinary team for the diabetic foot. INT J LOW EXTR WOUND 2014; 13:22-6. [PMID: 24659624 DOI: 10.1177/1534734614521234] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
We analyzed the incidence of lower extremity amputations (LEAs) in the 3rd Health Care Area of Madrid before and after the March 2008 introduction of a multidisciplinary team for managing diabetic foot disease. We compared the amputation rates in people with and without diabetes during 2 periods: before (2001-2007) and after (2008-2011) the introduction of a Multidisciplinary Diabetic Foot Unit (MDFU). We also analyzed the trend of the amputation rates by joinpoint regression analysis and measured the annual percentage change (APC). During the study period, 514 nontraumatic LEAs were performed, 374 (73%) in people with diabetes and 140 (27%) in people without the disease. The incidence of LEAs showed a significant reduction in major amputations in people with diabetes, from 6.1 per 100 000 per year (95% confidence interval [CI] = 4.9 to 7.2), in the 2001 to 2007 period, to 4.0 per 100 000 per year (95% CI = 2.6 to 5.5) in the 2008 to 2011 period (P = .020). There were no changes in incidence of minor or total amputations in the diabetic population or in amputations in the nondiabetic population during the study period. Joinpoint regression analysis showed a significant reduction in the incidence of major LEAs in diabetic population with an APC of -6.6% (95% CI = -10.2 to -2.8; P = .003), but there were no other significant changes. This study demonstrates that the introduction of a multidisciplinary team, coordinated by an endocrinologist and a podiatrist, for managing diabetic foot disease is associated with a reduction in the incidence of major amputations in patients with diabetes.
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Affiliation(s)
- José Antonio Rubio
- 1Hospital Universitario Príncipe de Asturias, Alcalá de Henares, Madrid, Spain
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Oliveira AFD, De Marchi ACB, Leguisamo CP, Baldo GV, Wawginiak TA. Estimativa do custo de tratar o pé diabético, como prevenir e economizar recursos. CIENCIA & SAUDE COLETIVA 2014; 19:1663-71. [DOI: 10.1590/1413-81232014196.09912013] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2013] [Accepted: 06/20/2013] [Indexed: 11/22/2022] Open
Abstract
Neste trabalho estimamos o custo do tratamento hospitalar do pé diabético e discutimos a literatura referente à profilaxia destas lesões. Para isto revisamos os prontuários dos pacien tes submetidos a tratamento cirúrgico num período de 16 meses em um hospital público e revisamos os métodos de prevenção do pé diabético. Foram 44 internações com duração média de 11,93 dias (± 6,34), 61 procedimentos cirúrgicos, com amputações em 65% dos casos. Encontramos um custo médio de R$ 4.367,05 (± 9.249,01) e um custo total de R$ 192.150,40 para estes tratamentos hospitalares. O tratamento do pé diabético teve um alto custo e exigiu amputações na maioria dos casos. A revisão da literatura evidenciou diversos modelos possíveis de serem adotados para atuar na profilaxia de lesões associadas ao pé diabético, os quais podem evitar amputações e economizar recursos.
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Tran TDX, Le PTB, Van Pham P. Diabetic foot ulcer treatment by activated platelet rich plasma: a clinical study. BIOMEDICAL RESEARCH AND THERAPY 2014. [DOI: 10.7603/s40730-014-0008-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Uçkay I, Gariani K, Pataky Z, Lipsky BA. Diabetic foot infections: state-of-the-art. Diabetes Obes Metab 2014; 16:305-16. [PMID: 23911085 DOI: 10.1111/dom.12190] [Citation(s) in RCA: 97] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2013] [Revised: 07/05/2013] [Accepted: 07/11/2013] [Indexed: 01/18/2023]
Abstract
Foot infections are frequent and potentially devastating complications of diabetes. Unchecked, infection can progress contiguously to involve the deeper soft tissues and ultimately the bone. Foot ulcers in people with diabetes are most often the consequence of one or more of the following: peripheral sensory neuropathy, motor neuropathy and gait disorders, peripheral arterial insufficiency or immunological impairments. Infection develops in over half of foot ulcers and is the factor that most often leads to lower extremity amputation. These amputations are associated with substantial morbidity, reduced quality of life and major financial costs. Most infections can be successfully treated with optimal wound care, antibiotic therapy and surgical procedures. Employing evidence-based guidelines, multidisciplinary teams and institution-specific clinical pathways provides the best approach to guide clinicians through this multifaceted problem. All clinicians regularly seeing people with diabetes should have an understanding of how to prevent, diagnose and treat foot infections, which requires familiarity with the pathophysiology of the problem and the literature supporting currently recommended care.
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Affiliation(s)
- I Uçkay
- Service of Infectious Diseases, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland; Orthopaedic Surgery Service, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
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Jørgensen ME, Almdal TP, Faerch K. Reduced incidence of lower-extremity amputations in a Danish diabetes population from 2000 to 2011. Diabet Med 2014; 31:443-7. [PMID: 24111834 DOI: 10.1111/dme.12320] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2013] [Revised: 08/21/2013] [Accepted: 09/18/2013] [Indexed: 01/03/2023]
Abstract
AIMS Diabetic foot disease and amputations severely reduce quality of life and have major economic consequences. The aim of this study was to estimate time trends in the incidence of lower-extremity amputations in Danish people with diabetes. METHODS We studied major and minor lower-extremity amputations from 2000 to 2011 among 11,332 people with diabetes from the Steno Diabetes Center. Amputations were identified by linkage of the electronic medical system with the National Patient Registry. Sex-specific incidence rates of amputations by age, diabetes duration, calendar time and diabetes type were modelled by Poisson regression. RESULTS From 2000 to 2011, 384 incident lower-extremity amputations (205 major, 179 minor) occurred during 100,495 years of patient follow-up. From 2000 to 2011, the incidence of all lower-extremity amputations decreased by 87.5% among men and 47.4% among women with type 1 diabetes and by 83.3% among men and 79.1% among women with type 2 diabetes (P < 0.001). In particular, there was a decline in major lower-extremity amputations. In 2011, the incidence rates of major lower-extremity amputations were 0.25 (95% CI 0.07-0.82) among men and 0.21 (95% CI 0.06-0.71) among women per 1000 patient-years at age 50 years and 0.56 (95% CI 0.18-1.89) among men and 0.41 (95% CI 0.16-1.09) among women per 1000 patient-years at age 70 years. No significant change in incidence of minor amputations was observed. CONCLUSION The incidence of major lower-extremity amputations reduced significantly from 2000 to 2011 in Danish people with diabetes followed at a diabetes specialist centre.
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Wang A, Sun X, Wang W, Jiang K. A study of prognostic factors in Chinese patients with diabetic foot ulcers. Diabet Foot Ankle 2014; 5:22936. [PMID: 24765244 PMCID: PMC3955769 DOI: 10.3402/dfa.v5.22936] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2013] [Revised: 01/24/2014] [Accepted: 01/24/2014] [Indexed: 12/13/2022]
Abstract
OBJECTIVE Few studies have identified factors as predictors of clinical prognosis of patients with diabetic foot ulcers (DFUs), especially of Chinese patients. In this study, we assessed the prognostic factors of Chinese patients with DFUs. METHODS AND MATERIALS This was a retrospective study (January 2009-January 2011) of 194 DFUs conducted in an inpatient population at PLA 454 Hospital in Nanjing, China, to determine the prognostic influential factors of DFUs in Chinese patients. All of the studied patients were grouped into an amputation group, a non-healing group, and a cured group, according to the clinical prognosis. Patient parameters, including gender, age, smoking habits, education level, family history of diabetes mellitus, medical history, duration of foot lesions and complications, ankle-brachial index (ABI), transcutaneous oxygen pressure (TcPO2), urinary albumin/creatinine ratio (Alb/Cr), fundus oculi, electrocardiogram, DFU characteristics, bacterial nature, and neuropathy, were cross-studied among the three groups. RESULTS Compared with the other two groups, the amputation group showed a higher number of males, older in age, lower ABI and TcPO2 levels, higher Wagner wound grading and size, and significantly higher urinary Alb/Cr ratio, blood urea nitrogen, serum creatinine, white blood cell count, and erythrocyte sedimentation rate. Compared to the cured group (162 patients), more patients with an older age, smoking, family history of diabetes mellitus, medical history of foot ulcerations, lower ABI and TcPO2 levels, higher urine Alb/Cr ratio, and serum creatinine were found in the non-healing group. Regression analysis was used to study the correlation between various factors and clinical prognosis, and the results were as follows: age, Wagner wound classification, and heel ulcerations were negatively correlated to the DFU prognosis, whereas the female population, ABI, and TcPO2 were positively correlated with DFU prognosis. CONCLUSION In this retrospective study, we conclude that the DFU prognosis may be related to age, gender, wound location (heel), Wagner wound classification, ABI, and TcPO2 levels in the Chinese population.
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Affiliation(s)
- Aiping Wang
- Department of Endocrinology, 454 Hospital of PLA, Nanjing, China
| | - Xinjuan Sun
- Department of Endocrinology, 454 Hospital of PLA, Nanjing, China
| | - Wei Wang
- Department of Endocrinology, 454 Hospital of PLA, Nanjing, China
| | - Kechun Jiang
- Department of Endocrinology, 454 Hospital of PLA, Nanjing, China
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Colberg SR, Vinik AI. Exercising with peripheral or autonomic neuropathy: what health care providers and diabetic patients need to know. PHYSICIAN SPORTSMED 2014; 42:15-23. [PMID: 24565817 DOI: 10.3810/psm.2014.02.2043] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Both peripheral and autonomic neuropathies are characterized by a progressive loss of nerve fiber function. Most peripheral neuropathy affects the extremities, particularly the lower legs and the feet, but also the hands, whereas damage to the autonomic nervous system may lead to imbalances between the sympathetic and parasympathetic nerve fibers that innervate the heart and blood vessels, as well as abnormalities in heart rate control and vascular dynamics. To prescribe or engage in exercise that is both safe and effective, health care providers and patients with diabetes mellitus need to increase their understanding of the pathophysiological nature of neuropathies and the physical activity hurdles that may arise from the presence of a neuropathy. With proper care and preventative measures, patients with diabetes mellitus that experience either type of neuropathy can benefit from regular participation in mild to moderate aerobic, resistance, and balance activities, assuming they take any potential alterations into account to ensure that exercise is safe and effective.
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Affiliation(s)
- Sheri R Colberg
- Human Movement Sciences Department, Old Dominion University, Norfolk, VA.
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Martínez-Santamaría L, Conti CJ, Llames S, García E, Retamosa L, Holguín A, Illera N, Duarte B, Camblor L, Llaneza JM, Jorcano JL, Larcher F, Meana Á, Escámez MJ, Del Río M. The regenerative potential of fibroblasts in a new diabetes-induced delayed humanised wound healing model. Exp Dermatol 2013; 22:195-201. [PMID: 23489422 DOI: 10.1111/exd.12097] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/19/2013] [Indexed: 01/13/2023]
Abstract
Cutaneous diabetic wounds greatly affect the quality of life of patients, causing a substantial economic impact on the healthcare system. The limited clinical success of conventional treatments is mainly attributed to the lack of knowledge of the pathogenic mechanisms related to chronic ulceration. Therefore, management of diabetic ulcers remains a challenging clinical issue. Within this context, reliable animal models that recapitulate situations of impaired wound healing have become essential. In this study, we established a new in vivo humanised model of delayed wound healing in a diabetic context that reproduces the main features of the human disease. Diabetes was induced by multiple low doses of streptozotocin in bioengineered human-skin-engrafted immunodeficient mice. The significant delay in wound closure exhibited in diabetic wounds was mainly attributed to alterations in the granulation tissue formation and resolution, involving defects in wound bed maturation, vascularisation, inflammatory response and collagen deposition. In the new model, a cell-based wound therapy consisting of the application of plasma-derived fibrin dermal scaffolds containing fibroblasts consistently improved the healing response by triggering granulation tissue maturation and further providing a suitable matrix for migrating keratinocytes during wound re-epithelialisation. The present preclinical wound healing model was able to shed light on the biological processes responsible for the improvement achieved, and these findings can be extended for designing new therapeutic approaches with clinical relevance.
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