Diabetic Foot Foot Ulcers Wounds on the sole of the foot in people with diabetes
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Diagnosed diabetes mellitus type 1 or 2; 2. Age 18 or above; 3. Loss of protective sensation based on the presence of peripheral neuropathy; 4. Healed plantar foot ulcer of which the cause was repetitive stress, at the hallux or any of the metatarsal heads or midfoot.
Exclusion criteria
Exclusion criteria: 1. Foot ulcer present or a healed foot ulcer with another cause than from repetitive mechanical stress; 2. Active Charcot*s neuroarthropathy; 3. Foot infection, based on PEDIS classification; 4. Amputation of hallux or any more proximal region in the contralateral foot that prevents comparison with the healed site; 5. Severe ischaemia, determined by absent dorsalis pedis or tibialis posterior arterial pulses, combined with an ankle-brachial systolic blood pressure index
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary parameter for this study is the Plantar Foot Soft Tissue Stiffness at the region of interest (ROI), defined as the extent to which the tissue resists deformation in response to an applied force. | — |
Secondary
| Measure | Time frame |
|---|---|
| Other relevant study parameters are: 1. Plantar Foot Soft Tissue Thickness at the ROI, defined as the distance from the bone to the outermost layer of the skin. 2. Plantar Fat Pad Migration at the ROI, defined as the progressive distal misplacement of the plantar fat pad from its former positioning; 3. Fat/Water Ratio in the plantar fat pad at the ROI, defined as the ratio between fat and water signals that reflects fat pad composition that can be evaluated via T1-weighted MRI chemical shifting imaging; 4. Metatarsophalangeal and inter-phalangeal joint angle; 5. Plantar pressure at the ROI (barefoot plantar pressures in all appropriate footwear measured using the Pedar-X system (Novel, GmbH, Munich, Germany); defined as the average of the average peak plantar pressure at the risk location(s) in all appropriate footwear) 6. Cumulative plantar tissue stress (defined as the average daily tissue stress; 7. Forefoot ulcer recurrence in 6 months. | — |
Countries
Netherlands
Contacts
Amsterdam UMC