To analyze the dietary nutrition and dietary fiber (DF) intake of maintenance hemodialysis (MHD) patients, and explore the effect of dietary nutrition and DF intake balance on the nutritional status and pre-dialysis hyperkalemia of MHD patients.

A total of 100 MHD patients were retrospectively enrolled, including 67 males and 33 females. The daily diet was recorded by 3-day dietary recording method. The daily average dietary nutritional intake and DF intake of MHD patients were calculated by professional software. Dietary guidance and analysis were conducted according to the Expert Consensus on Nutrition in Chronic Kidney Disease (2005) and the Dietary Guidelines for Chinese Residents (2016). Of the 100 patients, 37 had hyperkalemia (serum potassium > 5.5 mmol/L) before dialysis.

Inclusion Criteria:

• 18-65 years old; undergoing hemodialysis at least 3months; with a certain level of education; with complete behavioral ability

Exclusion Criteria:

• In the acute phase of acute cardiovascular disease, acute cerebrovascular disease, and acute digestive system disease；Anorexia, long-term malnutrition, or dietary disorders；poor compliance；

patients undergoing hemodialysis

undecided