Hyperbaric Oxygen Therapy Improves Oral Graft Take In Hypospadias Stag Reoperations.
JOURNAL OF UROLOGY(2019)
Abstract
Purpose: Increased complications following failed hypospadias repairs suggest that impaired wound healing is a contributing factor. We used perioperative hyperbaric oxygen therapy to promote wound healing determined by graft take in staged tubularized autograft reoperations using oral graft. Materials and Methods: Hyperbaric oxygen therapy was recommended for patients with 3 or more failed hypospadias repairs, comprising 20 preoperative and 10 postoperative sessions. All patients underwent reoperative staged tubularized autograft repair using oral mucosa. Graft lengths and widths were measured at grafting and again at the second stage, from which graft area was calculated. The primary outcomes were percent graft contracture and graft failure, defined as contracture 50% or greater. Patients who received hyperbaric oxygen therapy were compared to other patients who underwent reoperative staged tubularized autograft who did not receive therapy. Results: Among 57 patients 32 received hyperbaric oxygen therapy and 25 did not as they had fewer than 3 prior repairs, or were not able to receive treatment due to insurance issues or lack of local availability. Grafts were healthier in those receiving hyperbaric oxygen therapy, with significantly less percent area contracture (9% vs 26%, p=0.04) and graft failure (6% vs 28%, p=0.03) compared to those not receiving therapy, although treated patients had significantly more prior failed hypospadias repairs. Conclusions: Hyperbaric oxygen therapy improved graft take in hypospadias reoperations. This observation also calls attention to wound healing as another variable to consider in hypospadias surgery.
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Key words
hypospadias,reoperation,postoperative complications,autografts,hyperbaric oxygenation
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