What Researchers Did
Researchers reviewed medical records to see whether the timing of hyperbaric oxygen therapy was linked to outcomes in patients with a serious flesh-eating bacterial infection.
What They Found
In this retrospective study of 98 patients with necrotizing soft-tissue infection treated with standard care plus hyperbaric oxygen therapy, the time between diagnosis and the first HBOT session was significantly longer in patients who died than in those who survived (p equals 0.031), and significantly longer in patients who lost a limb than in those whose limb was preserved (p equals 0.031). The time between initial surgery and the first HBOT session showed the same pattern, being longer in patients who died (p equals 0.020) and in patients who were amputated (p equals 0.037). The study authors' own conclusion states that combining early surgical debridement with HBOT may help reduce hospital stay, ICU stay, and the number of debridement procedures, and that earlier onset of HBOT after diagnosis was associated with higher survival and limb preservation rates.
Canadian Relevance
No direct Canadian connection identified.
Study Limitations
This was a retrospective, non-randomized analysis of a single patient cohort, so it can show associations between HBOT timing and outcomes but cannot prove that earlier HBOT caused the lower rates of death and amputation.