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2018 ; 13
(7
): e0200271
Nephropedia Template TP
gab.com Text
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English Wikipedia
Associations between perfluorinated chemicals and serum biochemical markers and
performance status in uremic patients under hemodialysis
#MMPMID30016344
Liu WS
; Lai YT
; Chan HL
; Li SY
; Lin CC
; Liu CK
; Tsou HH
; Liu TY
PLoS One
2018[]; 13
(7
): e0200271
PMID30016344
show ga
Perfluorooctanesulfonate (PFOS) and perfluorooctanoic acid (PFOA) are commonly
used perfluorinated chemicals (PFCs). PFCs are mainly excreted by urine. Uremic
patients tend to accumulate toxins in their body and have poor functional status.
We investigated the associations between PFCs and the clinical profile of uremic
patients under hemodialysis (HD). Liquid chromatography tandem mass spectrometry
coupled with isotope dilution was used to quantify PFOA and PFOS. We enrolled 126
patients under regular HD. Compared with previous research, the concentration of
PFOA was lower, but that of PFOS was higher in uremic patients than in the
general population. The levels of PFOA and PFOS in uremic patients before
dialysis were 0.52 (ng/ml) and 21.84 (ng/ml) respectively. The PFOA level
remained unchanged but that of PFOS decreased to1.85 ng/mL after dialysis. PFOS
can be removed by HD. Patients using hypertensive medication had a lower PFOS
then those who did not. The PFOS level was negatively correlated with the
duration of the HD session and patient performance status, but positively
correlated with levels of cholesterol, chloride (an indicator of acidemia),
ferritin, and total protein. (p<0.05). The association with serum protein may
explain the long half-life of PFCs in humans. This is the first study which
investigated PFCs in uremic patients and showed PFCs are associated with adverse
effects in this population.