The Effects of Bougie Diameters on Tissue Oxygen Levels After Sleeve Gastrectomy: A Randomized Experimental Trial

Year 2018, Volume: 35 Issue: 3, 245 - 249, 01.05.2018

Can Konca Ali Abbas Yılmaz Süleyman Utku Çelik Selami İlgaz Kayılıoğlu Özge Tuğçe Paşaoğlu Halil Arda Ceylan Volkan Genç

Abstract

Staple line leak is one of the most frequent and serious complications of laparoscopic sleeve gastrectomy. This study aims to evaluate the effects of different bougie diameters on tissue oxygen partial pressure (PtO2) at the esophagogastric junction after sleeve gastrectomy. The use of narrower bougie along with fibrin sealant has not had a negative effect on tissue perfusion and wound healing. Background: Staple-line leak is the most frightening complication of laparoscopic sleeve gastrectomy and several predisposing factors such as using improper staple sizes regardless of gastric wall thickness, narrower bougie diameter and ischemia of the staple line are asserted. Aims: To evaluate the effects of different bougie diameters on tissue oxygen partial pressure at the esophagogastric junction after sleeve gastrectomy. Study Design: A randomized and controlled animal experiment with 1:1:1:1 allocation ratio. Methods: Thirty-two male Wistar Albino rats were randomly divided into 4 groups of 8 each. While 12-Fr bougies were used in groups 1 and 3, 8-Fr bougies were used in groups 2 and 4. Fibrin sealant application was also carried out around the gastrectomy line after sleeve gastrectomy in groups 3 and 4. Burst pressure of gastrectomy line, tissue oxygen partial pressure and hydroxyproline levels at the esophagogastric junction were measured and compared among groups. Results: Mortality was detected in 2 out of 32 rats (6.25%) and one of them was in group 2 and the cause of this mortality was gastric leak. Gastric leak was detected in 2 out of 32 rats (6.25%). There was no significant difference in terms of burst pressures, tissue oxygen partial pressure and tissue hydroxyproline levels among the 4 groups. Conclusion: The use of narrower bougie along with fibrin sealant has not had a negative effect on tissue perfusion and wound healing.

Keywords

Animal study, bariatric surgeries, bougie diameter, gastric leak, randomization, wound healing

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