Summary
The pathophysiology of the lower esophagus in 18 patients with hiatus hernia and 15 normal controls was investigated by esophageal manometry and prolonged pH monitoring.
Thirteen patients with symptoms of severe gastroesophageal reflux had lower than normal pressures at the gastroesophageal junction. In 5 patients without symptoms, the pressure was normal. Nine of the 13 patients were inadequately controlled by conservative measures and underwent Nissen or Dor-Nissen fundoplication. All were free of esophageal symptoms postoperatively. Fundoplication resulted in a significant increase in the lower esophageal pressure. Prolonged esophageal pH monitoring showed significant improvement in all indices.
Hiatus hernia and gastroesophageal reflux are related etiologically. However, further observations are needed to explain the association between reflux esophagitis and hiatus hernia. Nissen and Dor-Nissen fundoplications restored competence to the gastroesophageal junction as judged by esophageal manometry and prolonged pH monitoring.
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Iwai, N., Kaneda, H., Tsuto, T. et al. Manometric study and prolonged ph monitoring of esophagus in patients with hiatus hernia before and after operation. Gastroenterol Jpn 19, 307–312 (1984). https://doi.org/10.1007/BF02779119
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DOI: https://doi.org/10.1007/BF02779119