Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver
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We tested whether gastro-oesophageal pressure gradient is augmented in sliding hiatal hernia and the yield of oesophageal manometry in diagnosing sliding hiatal hernia. ⋯ By using manometry in patients with equivalent body mass index, sliding hiatal hernia presence and size are related with age rather than gastro-oesophageal pressure gradient. This technique may be clinically useful when positive for sliding hiatal hernia.