体内蛋白丢失的途径不外乎从呼吸道(如支气管扩张时大量咯痰)、泌尿道(如肾病综合征时的大量蛋白尿)和胃肠道[1]丢失。蛋白可以从胃肠的各个部位丢失,临床上称为蛋白丢失性胃肠病(protein losing gastro enteropathy,PLG),包括蛋白丢失性胃病及蛋白丢失性肠病(protein losing e The pathways for loss of protein in the body are nothing more than loss from the respiratory tract (such as massive expectoration during bronchiectasis), urinary tract (massive proteinuria at nephrotic syndrome), and gastrointestinal tract [1]. Protein can be lost from all parts of the gastrointestinal tract, clinically known as protein losing gastroenteropathy (protein losing gastroenteropathy, PLG), including protein-losing stomach disorders and protein losing e