Article: Comparison of plasma amino acid concentrations in end-stage renal disease patients on hemodialysis and peritoneal dialysis.
The Korean journal of internal medicine
1997 Volume 13, Issue 1, Page(s) 33–40
Abstract: ... of overnight fasting plasma amino acid concentrations was performed on 12 CAPD and 45 HD patients with ESRD ... concerning the prevalence of low amino acid levels in both HD and CAPD patients. But the difference in plasma ... plasma amino acid levels between patients with ESRD on HD and CAPD.: Methods: A cross sectional study ...
| Abstract | Objectives: Recent reports have suggested that patients treated by CAPD have a relatively increased risk of death compared to patients undergoing HD, although the cause of this discrepancy is poorly understood. Protein malnutrition is an important risk factor in ESRD. Also, amino acid concentrations, for which the physiological function differs from that of protein, may be an independent risk factor in ESRD. There is no doubt concerning the prevalence of low amino acid levels in both HD and CAPD patients. But the difference in plasma amino acid levels between these two groups has not been well defined. The purpose of this study is to compare plasma amino acid levels between patients with ESRD on HD and CAPD. Methods: A cross sectional study of overnight fasting plasma amino acid concentrations was performed on 12 CAPD and 45 HD patients with ESRD, matched by age, sex and body mass index. The levels of individual plasma amino acid and TAA, EAA, NEAA and BCAA were compared for the HD and CAPD groups. In order to measure losses during HD and CAPD, amino acid and protein concentrations were measured from 10 dialysates obtained from 10 HD patients and 12 peritoneal dialysis solutions from 12 CAPD patients. Results: All of the measured amino acid concentrations were found to be lower in the CAPD group compared to the HD group. Furthermore, the levels of TAA (2017.3 +/- 781.1 vs. 903.3 +/- 316.1 mumole/L), EAA(1201.8 +/- 492.6 vs. 567.6 +/- 223.2 mumole/L), NEAA(815.5 +/- 308.6 vs. 335.7 +/- 100.2 mumole/L); and BCAA (315.0 +/- 146.0 vs. 145.2 +/- 65.0 mumole/L), were all lower in the CAPD group than in the HD group. The protein loss was 2.0 +/- 0.2 g/L in the peritoneal dialysate but was not detectable in the hemodialysates. TAA loss over a one week period was about 61.8 +/- 13.0mmole for the HD group and 38.0 +/- 13.0 mmole for the CAPD group. Conclusions: Our results show that amino acid concentrations are lower in ESRD patients on CAPD than on HD. It seems likely that protein loss in the peritoneal dialysate is a contributing factor to lowered plasma amino acid concentrations in ESRD patients on CAPD than on HD. We believe that the lowered amino acid concentrations observed in CAPD patients may worsen the clinical outcome compared to HD patients. |
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| MeSH term(s) | Adult ; Amino Acids/analysis ; Amino Acids/blood ; Dialysis Solutions/chemistry ; Female ; Humans ; Kidney Failure, Chronic/blood ; Kidney Failure, Chronic/therapy ; Male ; Middle Aged ; Peritoneal Dialysis, Continuous Ambulatory/adverse effects ; Renal Dialysis/adverse effects | |||||
| Chemical Substances | Amino Acids ; Dialysis Solutions | |||||
| Language | English | |||||
| Publishing date | 1997-12-17 | |||||
| Publishing country | Korea (South) | |||||
| Document type | Comparative Study ; Journal Article | |||||
| ZDB-ID | 639023-7 | |||||
| ISSN | 1226-3303 | |||||
| ISSN | 1226-3303 | |||||
| DOI | 10.3904/kjim.1998.13.1.33 | |||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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