Diabetic Foot Ulcer Epidemiology and Management

Diabetic foot ulcers (DFUs) represent a major global health challenge, affecting up to one in four people with diabetes over their lifetime and contributing substantially to morbidity, mortality and healthcare costs. The development of a foot ulcer reflects the interplay of peripheral neuropathy, peripheral arterial disease and impaired wound healing driven by chronic hyperglycaemia. Key risk factors include long duration of diabetes, poor glycaemic control, smoking, renal impairment and coexisting microvascular complications. Effective management relies on a multidisciplinary strategy encompassing regular foot screening, patient education on self-care, off-loading devices to redistribute pressure and optimisation of metabolic control. Emerging risk-prediction tools employ clinical algorithms and machine-learning models to identify high-risk individuals before ulceration occurs. In parallel, innovations in wound care—from advanced dressings that modulate the wound microenvironment to bioengineered skin substitutes—aim to accelerate healing and reduce the incidence of infection and amputation. Global initiatives now emphasise structured screening programmes, telemedicine support and integrated care pathways to mitigate the personal and economic burden of DFUs.

Research from Nature Portfolio

A novel associative classification approach has yielded a highly accurate predictive model for foot ulcer risk in type 2 diabetes using an Apriori-based algorithm. In a cohort of over 600 patients, the model identified core risk factors such as prolonged disease duration, insulin therapy, neuropathy, smoking and microvascular complications. Performance metrics were notable, with overall accuracy above 96% and an area under the receiver operating characteristic curve exceeding 0.96. This rule-based classifier offers a transparent framework for individual risk stratification and may inform targeted preventive strategies in clinical practice.

Diabetic Foot Ulcer Epidemiology and Management publication trend

The graph below shows the total number of articles in diabetic foot ulcer epidemiology and management across all publications each year (not limited to Nature Index journals).

Technical terms

Diabetic foot ulcer: A full-thickness lesion on the foot of a person with diabetes, typically arising from neuropathy, ischaemia and repetitive trauma.

Peripheral neuropathy: Dysfunction of the peripheral sensory nerves leading to diminished sensation and increased risk of undetected injury.

Peripheral arterial disease: Atherosclerotic narrowing of lower-limb arteries that compromises blood flow and tissue oxygenation.

Glycaemic control: The maintenance of blood glucose levels within a target range to reduce the risk of diabetes-related complications.

Wound microenvironment: The local biochemical, cellular and physical conditions at a wound site—including moisture, pH and growth factors—that influence the healing process.

References

1. Establishment and validation of a nomogram for progression to diabetic foot ulcers in elderly diabetic patients. Frontiers in Endocrinology (2023).
2. Effect of electrospun poly (L-lactide-co-caprolactone) and formulated porcine fibrinogen for diabetic foot ulcers. European Journal of Pharmaceutical Sciences (2024).
3. Diabetic foot ulcers risk prediction in patients with type 2 diabetes using classifier based on associations rule mining. Scientific Reports (2024).
4. Risk factors for diabetic foot complications in type 2 diabetes—A systematic review. Endocrinology Diabetes & Metabolism (2020).