Contributions of wound configurations to anastomotic strengths: comparisons of argon and Ho:YAG laser-assisted rat intestine tissue welds

摘要

Temperature feedback control (TFC) of cw argon ion and cw Ho:YAG laser-assisted anastomoses of severed rat intestines increased wound stability during the first 72 hours after surgery when compared to laser anastomosies formed without temperature control. Comparisons of in vitro bursting pressures measurements and qualitative and quantitative histopathology observations of wound healing were performed to discover the factors associated with this increased stability. Close apposition of the wound edges and decreased abscess formation were found to be associated with good wound healing. No differences in bursting pressure measurements and wound healing patterns were associated with the laser (wavelength) used or between the TFC and non-TFC groups.