Canine colonic anastomoses reinforced with dye-enhanced fibrinogen and a diode laser

Steven K. Libutti, Mehmet C. Oz, Kenneth A. Forde, Joseph S. Auteri, Jeffrey P. Johnson, Lawrence S. Bass, Michael R. Treat

Research output: Contribution to journalArticlepeer-review

26 Scopus citations


Leakage from colonic anastomoses is a common cause of morbidity in patients recovering from bowel surgery. We evaluated a technique of laser-fibrinogen reinforcement to strengthen colonic anastomoses in a canine model. After creation of eight single-layer interrupted suture anastomoses in six dogs, indocyanine green-dye-enhanced fibrinogen was topically applied to the serosal surface and exposed to 808 mm diode laser energy. Immediately following colonic anastomosis, the mean leakage pressure was 137±22 mm Hg in the group (n=8) using sutures alone and 326±67 mm Hg (P<0.001) in the group (n=8) after the sutured anastomosis was reinforced with lasered-fibrinogen. On histological examination, no evidence of thermal injury to the tissue edges was noted and a layer of fibrinogen bridged the anastomotic gap. Laser dye-enhanced fibrinogen reinforcement significantly enhances the strength of sutured colonic anastomoses without causing appreciable thermal injury to the host tissues.

Original languageEnglish (US)
Pages (from-to)97-99
Number of pages3
JournalSurgical endoscopy
Issue number2
StatePublished - Jun 1 1990


  • 808 nm diode lasers
  • Colonic anastomosis
  • Fibrinogen
  • Indocyanine green dye
  • Laser welding

ASJC Scopus subject areas

  • Surgery


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