Publications by authors named "Jaap van Netten"

Background: Peripheral neuropathy is a common complication of diabetes and increases the risk of falls, possibly through gait (quality) impairments in daily life. Characteristics of gait quality have been associated with peripheral neuropathy in a laboratory setting, but little is known about the more relevant association with gait quality in daily life.

Research Question: What is the association between peripheral neuropathy and gait quality characteristics in daily life in people with diabetes?

Methods: Data from two cross-sectional studies were combined in an exploratory analysis, including a total of 98 participants with diabetes (mean age: 68 (SD 7) years, 32 females), of which 68 with peripheral neuropathy.

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Article Synopsis
  • - Pressure-relieving footwear is crucial in preventing foot ulcers for individuals with diabetes, and the insole top cover design plays a significant role in this.
  • - The study tested eight different insole top cover materials on 20 participants with diabetes to measure peak pressures and walking comfort, finding that 6 mm thick foams generally provided better pressure relief than 3 mm foams.
  • - Although some differences in peak pressure were noted, the overall comfort ratings remained consistent across the top covers, suggesting that factors like availability and durability may be more important in choosing the best insole than just pressure relief performance.
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Article Synopsis
  • - Diabetes affects 537 million people globally, and 34% are at risk of developing foot ulcers, prompting the need for standard outcomes in treatment studies.
  • - A Core Outcome Set (COS) was created through a structured process involving systematic reviews, patient interviews, and a two-round Delphi survey with input from patients and experts.
  • - The COS includes 8 critical outcomes, such as wound healing and quality of life, which will help improve the consistency of research assessing diabetes-related foot ulcer treatments.
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Introduction: Adherence to wearing prescribed footwear is paramount in reducing the risk of developing diabetes-related foot ulcers, but adherence is often lower than optimal. This study aimed to investigate predictors of footwear adherence and variations in adherence and activity in people at risk of diabetes-related foot ulceration.

Methods: Sixty people at high foot ulcer risk were included.

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Article Synopsis
  • The field of medical grade footwear is transitioning from individual expertise to a more evidence-based approach, but currently lacks sufficient scientific data, making a research agenda essential for growth.
  • A multidisciplinary team followed a structured seven-step methodology to develop this research agenda, gathering insights from various stakeholders including pedorthists, rehabilitation physicians, and users.
  • The process involved surveying 109 participants, generating 228 potential research questions, narrowing them down to 65 prioritized questions, and ultimately creating a final research agenda with 26 questions ready for implementation through collaborative research projects.
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Aims: Diabetes-related foot ulcers are common, costly, and frequently recur. Multiple interventions help prevent these ulcers. However, none of these have been prospectively investigated for cost-effectiveness.

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Reducing high mechanical stress is imperative to heal diabetes-related foot ulcers. We explored the association of cumulative plantar tissue stress (CPTS) and plantar foot ulcer healing, and the feasibility of measuring CPTS, in two prospective cohort studies (Australia (AU) and The Netherlands (NL)). Both studies used multiple sensors to measure factors to determine CPTS: plantar pressures, weight-bearing activities, and adherence to offloading treatments, with thermal stress response also measured to estimate shear stress in the AU-study.

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In this podcast, we discuss the 2023 update of the International Working Group on the Diabetic Foot (IWGDF) Guidelines on the prevention of foot ulcers in people with diabetes. Prevention of foot ulcers is paramount, to reduce their large burden on patients and society. Nevertheless, many clinical guidelines do not cover prevention as a topic.

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Few diseases globally require treatment from so many different disciplines as diabetes-related foot disease. At least 25 different professionals may be involved: casting technicians, dermatologists, diabetes (educator) nurses, diabetologists, dieticians, endocrinologists, general practitioners, human movement scientists, infectious diseases experts, microbiologists, nuclear medicine physicians, orthopaedic surgeons, orthotists, pedorthists, physical therapists, plastic surgeons, podiatric surgeons, podiatrists, prosthetists, psychologists, radiologists, social workers, tissue viability physicians, vascular surgeons, and wound care nurses. A shared vocabulary and shared treatment goals and recommendations are then essential.

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To better understand stress-related foot ulceration in diabetes, the cumulative plantar tissue stress (CPTS) should be quantified accurately, but also feasibly for clinical use. We developed multiple CPTS models with varying complexity and investigated their agreement with the most comprehensive reference model available. We assessed 52 participants with diabetes and high foot ulcer risk for barefoot and in-shoe plantar pressures during overground walking at different speeds, standing, sit-to-stand transitions, and stair walking.

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The 1989 Saint Vincent Declaration established a goal of halving global diabetes-related amputation rates. A generation later, this goal has been achieved for major but not minor amputations. However, diabetic foot disease (DFD) is not only a leading cause of global amputation but also of hospitalisation, poor quality of life (QoL) and disability burdens.

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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.

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Background: Preventing foot ulcers in people with diabetes can increase quality of life and reduce costs. Despite the availability of various interventions to prevent foot ulcers, recurrence rates remain high. We hypothesize that a multimodal treatment approach incorporating various footwear, self-management, and education interventions that matches an individual person's needs can reduce the risk of ulcer recurrence with beneficial cost-utility.

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Background: Orthopaedic footwear can only be effective in preventing diabetic foot ulcers if worn by the patient. Robust data on long-term wearing time of orthopaedic footwear are not available, and needed to gain more insights into wearing patterns and associated factors (i.e.

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Aims: This is the 2023 International Working Group on the Diabetic Foot guideline on the prevention of foot ulcers in persons with diabetes, which updates the 2019 guideline. This guideline is targeted at clinicians and other healthcare professionals.

Materials And Methods: We followed the Grading of Recommendations, Assessment, Development and Evaluations methodology to devise clinical questions and critically important outcomes in the PICO format, to conduct a systematic review of the medical-scientific literature including, where appropriate, meta-analyses, and to write recommendations and their rationale.

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Diabetes-related foot disease results in a major global burden for patients and the healthcare system. The International Working Group on the Diabetic Foot (IWGDF) has been producing evidence-based guidelines on the prevention and management of diabetes-related foot disease since 1999. In 2023, all IWGDF Guidelines have been updated based on systematic reviews of the literature and formulation of recommendations by multidisciplinary experts from all over the world.

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Aims: Prevention of foot ulcers in persons with diabetes is important to help reduce the substantial burden on both individual and health resources. A comprehensive analysis of reported interventions is needed to better inform healthcare professionals about effective prevention. The aim of this systematic review and meta-analysis is to assess the effectiveness of interventions to prevent foot ulcers in persons with diabetes who are at risk thereof.

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Multiple disciplines are involved in the management of diabetes-related foot disease and a common vocabulary is essential for clear communication. Based on the systematic reviews of the literature that form the basis of the International Working Group on the Diabetic Foot (IWGDF) Guidelines, the IWGDF has developed a set of definitions and criteria for diabetes-related foot disease. This document describes the 2023 update of these definitions and criteria.

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Aims: Diabetes-related foot disease is a major source of patient burden and societal costs. Investing in evidence-based international guidelines on diabetes-related foot disease is important to reduce this burden and costs, provided the guidelines are focused on outcomes important to key stakeholders and are evidence-based and properly implemented.

Materials And Methods: The International Working Group on the Diabetic Foot (IWGDF) has published and updated international guidelines since 1999.

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Background: In evaluating therapeutic footwear, in-shoe plantar pressure is usually obtained during mid-gait steps at self-selected walking speed in a laboratory setting. However, this may not accurately represent plantar pressures or indicate the cumulative stress experienced in daily life. We investigated the effects of walking speed and different weight-bearing activities on in-shoe plantar pressure in people with diabetes at high risk of ulceration.

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Adherence to using offloading treatment is crucial to healing diabetes-related foot ulcers (DFUs). Offloading adherence is recommended to be measured using objective monitors. However, self-reported adherence is commonly used and has unknown validity and reliability.

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Background: Most interventions to prevent foot ulcers in people with diabetes do not seek to reverse the foot abnormalities that led to the ulcer. Foot-ankle exercise programs target these clinical and biomechanical factors, such as protective sensation and mechanical stress. Multiple RCTs exist investigating the effectiveness of such programs, but these have never been summarised in a systematic review and meta-analysis.

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People at risk for diabetic foot ulcer (DFU) often misunderstand why foot ulcers develop and what self-care strategies may help prevent them. The etiology of DFU is complex and difficult to communicate to patients, which may hinder effective self-care. Thus, we propose a simplified model of DFU etiology and prevention to aid communication with patients.

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People with diabetes-related foot ulcers (DFUs) need to perform self-care consistently over many months to promote healing and to mitigate risks of hospitalisation and amputation. However, during that time, improvement in their DFU can be hard to detect. Hence, there is a need for an accessible method to self-monitor DFUs at home.

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Adherence to prescribed footwear is essential to prevent diabetes-related foot ulcers. The aim was to compare different measures of adherence and wearing time of prescribed footwear with a reference adherence measure, among people with diabetes at high risk of foot ulceration. We followed 53 participants for 7 consecutive days.

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