Vongsanim, S;
Fan, S;
Davenport, A;
(2019)
Comparison of skin autofluorescence, a marker of tissue advanced glycation end-products in peritoneal dialysis patients using standard and biocompatible glucose containing peritoneal dialysates.
Nephrology
, 24
(8)
pp. 835-840.
10.1111/nep.13510.
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Abstract
BACKGROUND: Heat sterilisation of peritoneal dialysis (PD) dialysates leads to the generation of advanced glycation products (AGEs), which can then deposit in the skin and be measured by skin autofluorescence (SAF). Newer biocompatible dual chamber dialysates contain less AGEs. We wished to determine whether the use of these newer dialysates resulted in lower SAF. METHODS: SAF was measured using the AGE reader, which directs ultraviolet light, intensity range 300-420 nm (peak 370 nm) in patients established on PD for > 3 months using glucose containing dialysates. RESULTS: We screened 196 consecutive patients, and measured SAF in 150; 86(57.3%) male, median age 62 (53-71) years, median duration of PD treatment 17 (8.6-34.3) months. The median SAF was 3.48 (2.92-4.26) AU. The median SAF in the 57 (38%) patients prescribed biocompatible dual chamber bag dialysates was 3.39 (2.69-3.98) vs 3.5 (3.05-4.54) for those using standard dialysates (p=0.044). Although prescription of biocompatible fluids was associated with SAF on univariate analysis, but not on multivariable testing, SAF was independently associated with Stoke-Davies co-morbidity grade (β 0.045, 95% confidence limits (CL) 0.015 to 0.075, p=0.002), log duration of PD therapy (β 0.051, CL 0.001 to 0.101, p=0.045), white ethnicity (β 0.066, CL 0.028 to 0.104, p=0.001), and negatively with serum albumin (β -0.006, CL -0.008 to -0.004, p=0.014) CONCLUSIONS: Although SAF was lower in PD patients prescribed biocompatible dual chamber dialysates, on multivariable testing these dialysates were not independently associated with SAF. Other factors than PD fluid AGE content appear more important in determining SAF.
| Type: | Article |
|---|---|
| Title: | Comparison of skin autofluorescence, a marker of tissue advanced glycation end-products in peritoneal dialysis patients using standard and biocompatible glucose containing peritoneal dialysates |
| Location: | Australia |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1111/nep.13510 |
| Publisher version: | https://doi.org/10.1111/nep.13510 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | advanced glycosylation end product, bio-compatible dialysate, dual-chamber, peritoneal dialysis, skin autofluorescence |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Medicine |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10059646 |
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