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    • The Normal Variations of the Caliber of Oesophageal Hiatus in Adults

    Mohamed Saber MSc, Tarek Hegazy MD,MRCS
    Department of General Surgery, Faculty of Medicine, Cairo University

    Gastroesophageal reflux disease (GERD) is one of the most frequent benign disorders of the upper gastrointestinal tract and can be seen at any age [1] . The esophageal hiatus and its function have been described extensively, but an exact anatomical determination of its normal size is lacking. It seems important to define the normal size, as crural closure is an important part of surgical treatment of gastroesophageal reflux disease (GERD) and hiatal or paraesophageal hernias [2] . The aim of this study: was to determine normal values for the size of the esophageal hiatus. in order to improve operative technique in the control of gastric reflux in hiatus hernia by more exact knowledge of the normal size of esophageal hiatus in adults. Methods:This study was conducted on 100 patient ,where the size of the oesophageal hiatus was measured in normal population through a calibrated 36 French bougie with a balloon. Results:(40 male, 60 female) with a mean age of (40.2) years with a standard deviation (SD) of (± 12.4) years. Ranging from (12) years to (68) years. In our study the mean value of the diameter of esophageal hiatus was (2.2) cm with SD (±0.3) cm ranging from 1.6 cm to 2.9 cm. Conclusion: There is a strong positive correlation between length of esophagus till cardia and length of esophagus till hiatus, length of abdominal esophagus. Also there is a strong positive correlation between height and length of esophagus till cardia, length of esophagus till hiatus and length of abdominal esophagus. Also there is a negative correlation between BMI and length of esophagus till cardia, length of esophagus till hiatus. Keywords: Hiatus hernia,Gastroesophageal reflux disease (GERD),fundoplication,laparscopic. 

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