蛋白丢失性胃肠病(protein-losing gastroenteropathy,PLG)是由各种不同原因引起的血浆蛋白,尤其是白蛋白,经胃肠粘膜向胃肠腔内异常漏出,临床上以低白蛋白血症作为其主要症状的一种综合症。本病在婴幼儿发病较多,新生儿也有报道。据记载血清蛋白从肠道丢失的现象早在1937年welch就报道了在溃疡性结肠炎病人大便中氮的排 Protein-losing gastroenteropathy (PLG) is caused by a variety of different causes of plasma proteins, especially albumin, the gastrointestinal mucosa to the gastrointestinal abnormal leakage, clinically low hypoalbuminemia As a syndrome of its main symptoms. The disease in infants and young children more, newborns have also been reported. It has been documented that the loss of serum proteins from the intestine was reported by welch in 1937 as the nitrogen row in the stool of patients with ulcerative colitis