1 June 1990 Comparison of sutureless argon- and neodymium:YAG-welded ileo-ileal anastomosis using a biodegradable intraluminal stent
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Abstract
Sutureless end-to-end ileo-ileal intestinal anastomoses were successfully constructed with both the 1.06 jim neodymium:YAG and the 488/515-nm argon lasers. A 5-watt power setting was used with the neodymium:YAG, and various biologic solutions were added to the anastomotic seam during lasing. Power settings of 1.5, 3, 4, and 5 watts were used for argon lasing, with and without an exogenous chromophore. At the 4-watt argon setting, a continuous infusion of normal saline was dripped onto the anastomosis during lasing, replacing the chromophore. All bowel anastomoses were constructed with the aid of a biodegradable intraluminal stent that held the bowel ends in place during construction of the watertight ileal fusion and then completely degraded within 8 hours. We concluded that the neodymium:YAG seemed superior for tissue fusion using the techniques outlined, as it was associated with fewer anastomotic leaks. It appeared easier to determine the end-point of tissue fusion with the neodymium:YAG than the argon, because the tissue changes were more obvious during neodymium:YAG lasing. The deeper penetration into the bowel wall of neodymium:YAG laser energy may confer a welding advantage over the more shallow penetration of the argon wavelength.
© (1990) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Anthony J. Costello, Anthony J. Costello, Douglas E. Johnson, Douglas E. Johnson, Kenneth I. Wishnow, Kenneth I. Wishnow, } "Comparison of sutureless argon- and neodymium:YAG-welded ileo-ileal anastomosis using a biodegradable intraluminal stent", Proc. SPIE 1200, Laser Surgery: Advanced Characterization, Therapeutics, and Systems II, (1 June 1990); doi: 10.1117/12.17426; https://doi.org/10.1117/12.17426
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