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Hemoglobin A1C in home parenteral nutrition
JPEN. Journal of Parenteral and Enteral Nutrition
|January 1, 1983
Summary
Glycosylated hemoglobin (HbA1C) effectively monitors long-term glucose control in patients receiving home TPN. HbA1C levels remained within the normal range, indicating its accuracy for outpatient glucose monitoring.
Area of Science:
- Endocrinology
- Metabolic Disorders
- Clinical Chemistry
Background:
- Glycosylated hemoglobin (HbA1C) is a standard for monitoring long-term glycemic control in diabetes.
- Home parenteral nutrition (TPN) involves complex nutritional support, often requiring careful glucose management.
- Assessing glucose homeostasis during chronic TPN is crucial for patient outcomes.
Purpose of the Study:
- To evaluate the utility of HbA1C in reflecting glucose homeostasis in patients receiving cyclic home TPN.
- To determine if HbA1C levels are indicative of glucose control during chronic dextrose infusions.
- To assess HbA1C as a convenient method for outpatient glucose monitoring in TPN patients.
Main Methods:
- A study involving 6 patients undergoing cyclic home TPN.
- Monthly monitoring of HbA1C levels over 5 to 10-month study periods.
- Statistical analysis using Student's paired t-test to compare early and final HbA1C values.
Main Results:
- Mean HbA1C levels across all measurements were 7.5 +/- 0.2%, within the normal range (4-8%).
- Final HbA1C values (7.3 +/- 0.4%) were not significantly different from initial values (8.7 +/- 0.6%), despite a change likely due to altered glucose load.
- No elevated HbA1C levels were observed, suggesting adequate glucose control.
Conclusions:
- HbA1C is a convenient and accurate method for assessing chronic glucose tolerance in patients on home TPN.
- HbA1C can serve as an effective alternative for outpatient monitoring of glucose tolerance in TPN recipients.
- The study supports the use of HbA1C for routine monitoring in this patient population.