Significance of the lower esophageal sphincter preservation in preventing alkaline reflux esophagitis in patients after total gastrectomy reconstructed by Roux-en-Y for gastric cancer

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Abstract

To clarify the significance of the lower esophageal sphincter (LES) for prevention of alkaline reflux esophagitis (ARE) after total gastrectomy reconstructed by Roux-en-Y (TGRY) for gastric cancer, we investigated LES function and lower esophageal pH in TGRY patients with or without LES preservation. A total of 51 patients 5 years after TGRY were divided into groups A (26 patients without preserved LES) and B (25 patients with preserved LES) and compared with 22 control participants (group C). Manometric study and ambulatory 24-hour esophageal pH monitoring were performed on all patients. Symptomatic and endoscopic AREs in group A were significantly higher than those in group B (P < 0.05). The length of LES and maximum LES pressure in group A were significantly shorter and lower, respectively, than in groups B and C (P < 0.01). The length of LES and maximum LES pressure in patients with symptomatic ARE were significantly shorter and lower, respectively, than in patients without symptomatic ARE (P < 0.01). Percentages of time with pH >7 and pH >8 within 24 hours in group A were significantly higher than those in groups B and C (P < 0.01). Preservation of the LES may be necessary to prevent ARE after TGRY.

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APA

Tomita, R., Sakurai, K., & Fujisaki, S. (2014). Significance of the lower esophageal sphincter preservation in preventing alkaline reflux esophagitis in patients after total gastrectomy reconstructed by Roux-en-Y for gastric cancer. International Surgery, 99(2), 174–181. https://doi.org/10.9738/INTSURG-D-13-00007

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