Relationship Between pH Shifts and Rate of Healing in Chronic Nonhealing Venous Stasis Lower-Extremity Wounds.

The Journal of Foot and Ankle Surgery : Official Publication of the American College of Foot and Ankle Surgeons
Arthur TarriconeRonald Soave

Abstract

Venous stasis ulcers represent the majority of lower-extremity ulcers and place a considerable financial burden on the American health care system. Current standard of care therapies remain sub-optimal with 50% of venous stasis ulcers remaining unhealed after 4 months. Sixteen consecutive wounds were enrolled across 8 participants at a single center and underwent pH-driven therapy in addition to standard care as dictated by physicians. Following wound debridement, the pH of the wound bed was measured using pH strips. If acidic, normal saline was used to rinse the wound at every dressing change. If alkaline, nonsterile gauze was soaked in 0.25% acetic acid and applied to the wound for a minimum of 30 seconds. Participants were followed for 4 weeks with research staff observing compliance throughout. All 16 wounds had an alkaline pH at baseline, with an average pH of 8.25 ± 0.55 (range 7.5 to 9). Average area of the wound at the time of enrollment was (mean ± standard deviation) 285.48 ± 43.68 mm2, and average age of the wound was 37.5 ± 20.3 months (range 3 to 72). A simple linear regression model found a moderate relationship between pH and the rate of healing of chronic nonhealing venous stasis lower-extremity wounds (correlat...Continue Reading

Citations

May 1, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Marjan MotieiPetr Sáha

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