Clinical evidence · Education
Clinical evidence for collagen dressings, hydrocolloid dressings, and compression therapy
A plain-language summary of the clinical evidence behind collagen wound dressings, hydrocolloid dressings, and graduated compression therapy.
Graduated compression therapy
Graduated compression stockings for DVT prevention
Meta-analysis of 20 randomized trials (n = 1,681) on graduated compression hosiery for deep vein thrombosis prevention during long-distance travel. Pooled DVT incidence fell from ~3.7% in the no-stocking arm to under 0.2% in the compression arm, with similar reductions in lower-extremity edema.
Read the study at doi.org →Compression hosiery on long-haul flights
Randomized controlled trial measuring ankle and calf volume change and venous symptom scores in passengers on flights longer than four hours. The 20-30 mmHg compression group showed significantly less swelling and lower symptom scores at landing.
Read the study at doi.org →Graduated compression for chronic venous insufficiency
Randomized trial in patients with CEAP C2-C4 chronic venous insufficiency. The compression arm showed improved venous return, less end-of-day swelling, and higher quality-of-life scores at 12 weeks vs. usual care.
Read the study at doi.org →International consensus on compression classes
International expert consensus on graduated compression therapy. Establishes 20-30 mmHg as the recommended class for symptomatic chronic venous insufficiency without active ulceration, and the threshold for DVT-prevention travel use.
Read the consensus at doi.org →Collagen wound dressings
Bovine collagen vs. standard care in diabetic foot ulcers
Randomized controlled trial of bovine collagen wound dressings vs. standard moist wound care in chronic diabetic foot ulcers. The collagen arm showed faster percentage wound-area reduction and a shorter time to complete closure.
Read the study at doi.org →Advanced dressings for chronic, non-healing wounds
Systematic review of collagen, hydrocolloid, and foam advanced wound dressings against standard gauze for chronic non-healing wounds. Collagen scaffolds outperformed gauze across multiple endpoints, particularly for stalled wounds with elevated matrix metalloproteinase activity.
Read the review at doi.org →Hydrocolloid & sock-aid assistive devices
Hydrocolloid dressings in dermatology
2025 review of hydrocolloid dressings for dermatologic indications: acne lesions, post-procedure healing, Mohs, biopsies, and minor surgical sites. Discusses moist-wound-healing benefits, scar minimization, and the rationale for cut-to-size rolls vs. pre-cut patches.
Read the review at doi.org →Hydrocolloid patches for inflammatory acne lesions
Randomized controlled trial comparing hydrocolloid patches to uncovered acne lesions. Patches reduced inflammation, hyperpigmentation, and shielded active lesions from friction trauma, with measurable improvement in lesion appearance at the study endpoint.
Read the abstract at PubMed →Assistive technologies for activities of daily living
Cochrane systematic review of assistive devices, including sock-aid donning devices, for lower-limb dressing and undressing in patients with limited mobility, post-hip or post-knee replacement, arthritis, or back limitations. Aids significantly improved independence and reduced caregiver burden.
Read the review at doi.org →A note on how we cite
Summaries on this page are written for general readers and procurement teams to skim. Each card links to the original source so clinicians and reviewers can verify the underlying methodology, sample size, and effect estimates directly. None of these summaries should be taken as medical advice, talk to a clinician for individual care decisions.