Protocol-driven Therapy for Lower Extremity Ulcers: A Case Series Supporting the Use of Porcine Intestine Extracellular Matrix

Abstract

Introduction. Chronic ulcers pose a public health challenge. Thus, it is imperative to be aware of and assess new management strategies that contribute to patient quality of life and optimize health resources. This study evaluated the efficacy of a new protocol for chronic wound management that includes porcine intestine ECM. Materials and Methods. Twenty-one patients with chronic wounds of different etiologies were included in this study. A new healing protocol that incorporates the use of porcine ECM was initiated for a maximum period of 12 weeks. Follow-up included a weekly visit to photograph the ulcers and record their size. Results. Wounds ranged in size from 0.5 cm2 to 10 cm2 at the outset of the study. Two of the 21 patients who started the protocol withdrew, 1 for nonadherence to the protocol and 1 for health complications unrelated to the study. Most lesions occurred in the lower limbs. All patients who completed the treatment protocol achieved wound regeneration and total wound closure within an average of 4.5 weeks. The average percentage closure rate was 100% at 8 weeks, with no AEs. Conclusions. The findings of this study demonstrate the efficacy of an evidence-based wound management protocol in achieving safe, complete tissue regeneration in a short period of time.