Conclusion: Serum NO may influence low esophageal sphincter (LES) and cause gastroesophageal reflux, but little effectiveness on esophageal peristalsis.

• 结论：肝硬化患者血浆NO含量的升高可能使食管下括约肌(LES)松弛而产生胃食管反流，但不影响食管蠕动功能。