White Spots on Heel with Pressure: Treatment Approach
White spots on the heel that occur with pressure represent pre-ulcerative lesions requiring immediate professional debridement, pressure offloading, and appropriate footwear modifications to prevent progression to full ulceration. 1, 2
Immediate Treatment Actions
Professional Debridement
- Remove all hyperkeratotic tissue (callus) and any necrotic material immediately through sharp debridement performed by an appropriately trained healthcare professional 1
- Sharp debridement with scalpel, scissors, or tissue nippers is the preferred method as it is most definitive and controllable 1
- Debridement reduces pressure at the affected site, removes colonizing bacteria, and permits full examination of tissue involvement 1
- Repeat debridement sessions as often as needed if nonviable tissue continues to form 1
Pressure Offloading (Critical Priority)
- Ensure complete offloading of pressure from the heel immediately - this is the single most important intervention to prevent ulcer development 2, 3
- Elevate the heel off the underlying support surface to eliminate both pressure and shear forces 4
- Consider wedge-shaped viscoelastic foam cushions, which show superior efficacy compared to standard foam pillows 4
- Instruct the patient to limit standing and walking; use crutches if necessary 2
Footwear and Orthotic Management
Immediate Footwear Modifications
- Prescribe properly fitted footwear with adequate depth, width, and length that accommodates the foot shape without causing pressure points 1, 5
- For patients with foot deformities or significant pressure increases, prescribe extra-depth shoes, custom-made footwear, or custom-made insoles 1
- Ensure therapeutic footwear demonstrates plantar pressure-relieving effects (≥30% reduction in peak pressure or in-shoe peak pressure <200 kPa) 5
Ongoing Footwear Requirements
- Educate the patient to wear appropriate footwear consistently, both indoors and outdoors - not thin-soled slippers 1
- Check inside shoes for foreign objects before each use 1
- Wear seamless socks of natural materials, preferably light-colored to detect drainage 1
Wound Care Protocol
Dressing Selection
- Select dressings based on wound characteristics: hydrogels for dry wounds, alginates or foams for exudative wounds 1, 2
- Establish a moist wound-healing environment 6
- Avoid topical antimicrobials unless infection is clinically evident 1
Infection Surveillance
- Assess daily for signs of infection: increasing pain, erythema, warmth, or purulent drainage 2
- If infection develops, initiate empiric oral antibiotics targeting S. aureus and streptococci for superficial infection 2
- Consider parenteral broad-spectrum antibiotics for deep infection 2
Patient Education and Monitoring
Daily Self-Care Instructions
- Examine feet daily for any changes or new lesions 1
- Wash feet daily with careful drying, particularly between toes 1
- Apply emollients to moisturize dry skin 1
- Contact a healthcare professional immediately if the lesion worsens or new symptoms develop 1
Temperature Monitoring (For High-Risk Patients)
- Consider coaching patients to self-monitor foot skin temperatures daily 1
- If temperature difference between corresponding regions exceeds 2.2°C (4.0°F) on two consecutive days, reduce ambulatory activity and seek professional evaluation 1
Follow-Up and Advanced Interventions
Regular Monitoring
- Measure and document wound size weekly at minimum using objective planimetry 6
- Re-evaluate every 1-3 months for ongoing risk assessment 1
- If no improvement within 6 weeks, evaluate for vascular compromise 2
Vascular Assessment
- Assess arterial supply if healing is delayed - palpate dorsalis pedis and posterior tibial pulses 1
- If pulses are not palpable, obtain ankle-brachial index (ABI); values <0.50 suggest ischemia that will impair healing 1
- Consider revascularization if vascular compromise is identified 2
Advanced Therapies for Non-Healing Lesions
- Consider hyperbaric oxygen therapy for poorly healing wounds 2
- Evaluate for cellular therapy or growth factors if standard treatment fails 6
Critical Pitfalls to Avoid
- Never allow continued pressure on the affected heel - inadequate offloading is the primary cause of progression to ulceration 2, 3
- Do not delay professional debridement - early intervention prevents progression 1, 6
- Avoid continuing to use tight, poorly fitted shoes which perpetuate symptoms 5
- Do not perform debridement without appropriate training, as improper technique can cause harm 1