PMID: 9007179Dec 1, 1996Paper

Healing of the esophageal suture line: does it differ from the rest of the alimentary tract?

Israel Journal of Medical Sciences
A LeviS Kyzer

Abstract

We investigated the healing pattern of the esophageal suture line in rats. Fifty male wistar rats were divided into experimental (n = 40) and control (n = 10) groups. The rats in the experimental group underwent esophogostomy at the abdominal esophagus, which was immediately sutured, and sacrificed 2, 4, 7 and 14 days later. Esophageal bursting pressure and hydroxyproline content were determined in both groups. The measured bursting pressures in the experimental group on days 2, 4, 7 and 14 were (mean +/- SD) 78 +/- 35, 95 +/- 12, 1,163 +/- 98 and 1,224 +/- 22 cm H2O, respectively, and 1,308 +/- 87 cm H2O in the control group (P <0.05 vs. all the experimental group values). The hydroxyproline content in the experimental group on days 2, 4, 7 and 14 were 13.9 +/- 2.1, 12.53 +/- 2.68, 15.6 +/- 0.85 and 17.75 +/- 5.65 microg/mg, respectively, and 27.88 +/- 2.5 microg/mg in the control group (P <0.05 vs. all the experimental group values). We conclude that the esophagus demonstrates the same healing pattern as the rest of the alimentary tract, but its healing seems to occur at a slower pace.

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