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[Changes in the pharyngeal bacterial flora during hyperbaric oxygenation]

K Ulewicz, D Zannini, P Varaldo

    Minerva Medica
    |December 30, 1981
    PubMed
    Summary

    Hyperbaric oxygen therapy, involving breathing pure oxygen in a pressurized chamber, reduced bacterial strains in patients and the chamber environment. This suggests oxygen hyperbaria impacts both microorganisms and patient immune responses.

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    Area of Science:

    • Microbiology
    • Hyperbaric Medicine
    • Infectious Disease

    Context:

    • Bacteriological analysis of throat smears from patients undergoing hyperbaric oxygen therapy.
    • Evaluation of microbial changes in patients and the hyperbaric environment.

    Purpose:

    • To assess the impact of oxygen hyperbaria on bacterial flora in patients and therapeutic chambers.
    • To investigate the relationship between hyperbaric oxygen exposure and microbial reduction.

    Summary:

    • Bacteriological tests were conducted on three patient groups: those with repeated, single, or no oxygen hyperbaria exposure.
    • Several hundred bacterial strains (Streptococcus, Staphylococcus, Klebsiella, Nocardia) were isolated and analyzed.
    • Reduced bacterial counts were observed in patients and within the hyperbaric chamber, including walls and masks.

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    Impact:

    • Hyperbaric oxygenation appears to influence microbial populations, reducing bacterial strain numbers.
    • Findings suggest a dual effect of hyperbaric oxygen on microorganisms and patient reactivity.
    • This research contributes to understanding the antimicrobial potential of hyperbaric oxygen therapy.