AIM: Purpose of this retrospective comparative study is to evaluate the results of reconstruction of diabetic feet by split thickness skin graft (STSG) and by dermal substitute Integra® covered by STSG in terms of vascularity of the reconstructed wound-bed by measurements of tissue oxygenation (TcPO2). PATIENTS AND METHODS: 23 patients were included into the study (12 were reconstructed by STSG only and 11 with Integra® and STSG three weeks later). In each patient TcPO2 measurements were performed at the same spot of the reconstructed area at 14 days, one month, 3 months, 6 months, 12 months and 24 months after reconstruction. RESULTS: Wound beds reconstructed by Integra® showed on average 10 mmHg higher TcPO2. CONCLUSIONS: Our study estimated in an objective way, by TcPO2 value measurements, the oxygenation of the wound bed in diabetic feet after reconstruction by STSG only and after adding dermal substitute Integra® to the wound bed before final STSG coverage. During first month after reconstruction no statistically significant differences were found. After 3 months TcPO2 studies revealed statistically significant higher oxygen tissue pressure in diabetic feet covered by Integra® plus STSG. These findings endorse in an objective way the clinical findings already reported while using the dermal substitute. It remains to explain the role of this increase of oxygen tissue pressure in redefine the indications for the use of dermal substitutes in reconstruction of poor vascularized regions.
AIM: Purpose of this retrospective comparative study is to evaluate the results of reconstruction of diabetic feet by split thickness skin graft (STSG) and by dermal substitute Integra® covered by STSG in terms of vascularity of the reconstructed wound-bed by measurements of tissue oxygenation (TcPO2). PATIENTS AND METHODS: 23 patients were included into the study (12 were reconstructed by STSG only and 11 with Integra® and STSG three weeks later). In each patient TcPO2 measurements were performed at the same spot of the reconstructed area at 14 days, one month, 3 months, 6 months, 12 months and 24 months after reconstruction. RESULTS: Wound beds reconstructed by Integra® showed on average 10 mmHg higher TcPO2. CONCLUSIONS: Our study estimated in an objective way, by TcPO2 value measurements, the oxygenation of the wound bed in diabetic feet after reconstruction by STSG only and after adding dermal substitute Integra® to the wound bed before final STSG coverage. During first month after reconstruction no statistically significant differences were found. After 3 months TcPO2 studies revealed statistically significant higher oxygen tissue pressure in diabetic feet covered by Integra® plus STSG. These findings endorse in an objective way the clinical findings already reported while using the dermal substitute. It remains to explain the role of this increase of oxygen tissue pressure in redefine the indications for the use of dermal substitutes in reconstruction of poor vascularized regions.
Authors: P Fang; L H Engrav; N S Gibran; S Honari; D B Kiriluk; J K Cole; Philip Fleckman; D M Heimbach; G J Bauer; H Matsumura; P Warner Journal: J Burn Care Rehabil Date: 2002 Sep-Oct
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