What Researchers Did
Researchers conducted randomized, prospective, controlled trials to evaluate hyperbaric oxygen therapy for diabetic foot ulcers and assessed the prognostic significance of transcutaneous oxygen measurement in patient selection.
What They Found
They found that hyperbaric oxygen therapy is beneficial as an adjunctive treatment for diabetic lower extremity ulcers. Transcutaneous oxygen measurements predict healing success, with peri-wound oxygen tensions over 400 mmHg in 2.5 ATA hyperbaric oxygen or over 50 mmHg in normobaric pure oxygen indicating high accuracy. Adding hyperbaric oxygen is recommended if transcutaneous oxygen tension near the lesion in 2.5 ATA hyperbaric oxygen exceeds 200 mmHg.
What This Means for Canadian Patients
Canadian patients with diabetic foot ulcers may benefit from adjunctive hyperbaric oxygen therapy, especially when conventional treatments are insufficient. Transcutaneous oxygen measurements can help identify those most likely to respond, potentially improving healing rates and reducing amputations.
Canadian Relevance
This study has no direct Canadian connection.
Study Limitations
The abstract does not explicitly state limitations, but the generalizability of the specific transcutaneous oxygen thresholds to diverse clinical settings and patient populations may warrant further validation.