Comparison of sutureless argon- and neodymium:YAG-welded ileo-ileal anastomosis using a biodegradable intraluminal stent

Anthony J. Costello; Douglas E. Johnson M.D.; Kenneth I. Wishnow M.D.

doi:10.1117/12.17426

1 June 1990 Comparison of sutureless argon- and neodymium:YAG-welded ileo-ileal anastomosis using a biodegradable intraluminal stent

Anthony J. Costello, Douglas E. Johnson M.D., Kenneth I. Wishnow M.D.

Author Affiliations +

Proceedings Volume 1200, Laser Surgery: Advanced Characterization, Therapeutics, and Systems II; (1990) https://doi.org/10.1117/12.17426
Event: OE/LASE '90, 1990, Los Angeles, CA, United States

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.

Citation Download Citation

Anthony J. Costello, Douglas E. Johnson M.D., and Kenneth I. Wishnow M.D. "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); https://doi.org/10.1117/12.17426

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