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A new approach to classifying malnutrition in the hemodialysis patient
1San Diego Dialysis-National City, National City, CA, USA.
Background:
Novel classification nomenclature defining the type of malnutrition by the root cause of the hypoalbuminenia has been developing in the literature since 1999. As the classification of malnutrition became more definite in the literature, the need to assess the type of malnutrition, thereby the root cause(s) and initiate appropriate intervention(s), has become apparent.
Methods:
In September 1999, San Diego Dialysis began a continuous quality improvement (CQI) project to assess the root causes of hypoalbuminemia for patients with serum albumin level <3.5 g/dL. An extensive review of the literature was conducted on the subject of malnutrition, inflammation, and the acute-phase reaction.
Findings:
Two major groups of patients emerged: those consuming adequate protein and calories, yet presenting with hypoalbuminemia, and those suffering from a protein calorie deficit. Observation of the second group showed that although the monthly percentage of patients with hypoalbuminemia remained fairly constant, the names on the list changed from month to month.
Conclusions:
The CQI team developed a protocol and a unique nomenclature to classify the types of malnutrition, type I, type IIa, type IIb, or mixed, by adapting the definitions in the literature through clinical practice. Interventions were developed to address each classification of malnutrition.