[Study of the length of the installed gastric tube for children].

The purpose of this study was to find the proper measurement of the length of gastric tube for children preoperatively. The author found that the tube can only reach the cardia of stomach by routine measurement and can not achieve the purpose of gastrointestinal decompression. This study was done to 34 patients. The length of the inserted gastric tube was measured by the distance from the hair border of the middle forehead to the umbilicus. The tube was confirmed to reach the body of stomach during surgery and can reduce gastro-intestinal pressure effectively after operation.