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Re-evaluation of ascorbic acid deficiency in hemodialysed patients
The International Journal of Artificial Organs
|May 1, 1987
Summary
Patients undergoing chronic hemodialysis show severe ascorbic acid deficiency. This study used a precise enzymatic method to accurately measure vitamin C levels in uremic patients without supplementation.
Area of Science:
- Clinical Chemistry
- Nephrology
- Nutritional Science
Background:
- Chronic kidney disease (CKD) patients often exhibit altered nutritional status.
- Hemodialysis can impact the levels of essential vitamins and minerals.
- Ascorbic acid (vitamin C) plays a crucial role in cellular functions and antioxidant defense.
Purpose of the Study:
- To assess serum ascorbic acid levels in uremic patients undergoing chronic hemodialysis.
- To investigate the prevalence and severity of ascorbic acid deficiency in this population.
- To compare findings with previous studies and explore potential reasons for discrepancies.
Main Methods:
- Serum samples were collected from 92 uremic patients on chronic hemodialysis.
- Ascorbic acid levels were measured before hemodialysis and between sessions.
- A highly specific enzymatic method was employed to ensure accurate quantification, minimizing interference.
Main Results:
- The study revealed a more serious ascorbic acid deficiency in the patient cohort than previously reported.
- Serum ascorbic acid levels were significantly low in patients not receiving supplementation.
- The precise measurement method likely contributed to the detection of more severe deficiency.
Conclusions:
- Chronic hemodialysis patients without ascorbic acid supplementation are at high risk of severe vitamin C deficiency.
- Accurate assessment of ascorbic acid levels requires specific analytical methods.
- Further research into optimal ascorbic acid supplementation strategies for hemodialysis patients is warranted.