Rakesh Garg All India Institute of Medical Sciences India
J Anaesthesiol Clin Pharmacol 2012 Jan;28(1):70-5
Department of Anaesthesiology and Intensive Care, Postgraduate Institute of Medical Education and Research and Dr. Ram Manohar Lohia Hospital, New Delhi, India.
Background: Hyperbaric oxygen therapy (HBOT) is a treatment option for chronic nonhealing wounds. Transcutaneous oximetry (TCOM) is used for wound assessment. We undertook a randomized prospective controlled trial to evaluate the role of HBOT in healing of chronic nonhealing wounds and to determine whether TCOM predicts healing.
Materials And Methods: This study was conducted in 30 consenting patients with nonhealing ulcer. The patients were randomized into group HT (receiving HBOT in addition to conventional treatment) and group CT (receiving only conventional treatment). Duration of treatment in both the groups was 30 days. Wound ulcer was analyzed based on size of the wound, exudates, presence of granulation tissue, and wound tissue scoring. Tissue oxygenation (TcPO(2)) was measured on 0, 10(th), 20(th), and 30(th) day.
Results: There was 59% reduction in wound area in group HT and 26% increase in wound area in group CT. Ten patients in group HT showed improvement in wound score as compared to five patients in group CT. Complete healing was seen in three patients in group HT as compared to none in group CT. Surgical debridement was required in 6 patients in group HT and 10 patients in group CT. One patient in group HT required amputation as compared to five patients in group CT. A positive correlation was found between TcPO(2) value and various markers of wound healing.
Conclusion: HBOT has a definitive adjunctive role in the management of chronic nonhealing ulcers. It decreases the amputation rate and improves patient outcome. Periwound TcPO(2) may be used as a predictor of response to HBOT and has a positive correlation with wound healing.
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