PMID- 30677951 OWN - NLM STAT- MEDLINE DCOM- 20190214 LR - 20190215 IS - 1879-1026 (Electronic) IS - 0048-9697 (Linking) VI - 657 DP - 2019 Mar 20 TI - Decreased plasma levels of perfluoroalkylated substances one year after bariatric surgery. PG - 863-870 LID - S0048-9697(18)34808-3 [pii] LID - 10.1016/j.scitotenv.2018.11.453 [doi] AB - Per- and polyfluoroalkylated substances (PFASs) are classified as persistent organic pollutants (POPs), and known to be protein bound. The aim of the present study was to determine the levels of 17 different PFASs before and one year after bariatric surgery, and to assess whether weight loss and changed serum protein concentrations could be influencing factors. Plasma samples from 63 patients were analyzed for nine perfluoroalkyl carboxylic acids (PFCAs), three perfluoroalkane sulfonic acids (PFSAs), and five perfluoroalkyl sulfonamide based substances (PASF) before and after surgery. Protein determination was performed in the corresponding serum samples. Mean weight loss one year after surgery was 32.1 kg. The plasma levels of all PFASs decreased with 4-34% compared to preoperative values, and included perfluorononanoic acid (PFNA), perfluorodecanoic acid (PFDA), perfluoroundecanoic acid (PFUnDA), and perfluorobutane sulfonate (PFBS), which have been identified with increasing levels in the general population during recent years. Serum protein concentrations also decreased with 7-8%. Although protein levels were positively correlated with PFOA, PFBS, PFHxS and PFOS, regression analysis revealed that neither weight loss nor reductions in concentrations of serum protein could explain the decreased PFAS levels. The type of surgical procedure did not influence the changes of PFAS levels between the two sample points. A reduced food intake and alterations in absorptions of nutrients after bariatric surgery may have influenced the observed decreasing plasma levels of PFASs. CI - Copyright (c) 2018 Elsevier B.V. All rights reserved. FAU - Jansen, Aina AU - Jansen A AD - Department of Surgery, Innlandet Hospital Trust, Gjovik, Norway; Department of Food Safety and Infection Biology, Norwegian University of Life Sciences (NMBU), Oslo, Norway. Electronic address: aina.jansen@sykehuset-innlandet.no. FAU - Muller, Mette H B AU - Muller MHB AD - Department of Food Safety and Infection Biology, Norwegian University of Life Sciences (NMBU), Oslo, Norway. FAU - Gronnestad, Randi AU - Gronnestad R AD - Department of Food Safety and Infection Biology, Norwegian University of Life Sciences (NMBU), Oslo, Norway; Department of Biology, Norwegian University of Science and Technology (NTNU), Trondheim, Norway. FAU - Klungsoyr, Ole AU - Klungsoyr O AD - Oslo Centre for Biostatistics and Epidemiology, Section for Treatment Research, Department for Research and Education, Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway. FAU - Polder, Anuschka AU - Polder A AD - Department of Food Safety and Infection Biology, Norwegian University of Life Sciences (NMBU), Oslo, Norway. FAU - Skjerve, Eystein AU - Skjerve E AD - Centre for Epidemiology and Biostatistics, Norwegian University of Life Sciences (NMBU), Oslo, Norway. FAU - Aaseth, Jan AU - Aaseth J AD - Innlandet Hospital Trust, Research Department, Brumunddal, Norway; Faculty of Health and Social Sciences, Inland Norway University of Applied Sciences, Elverum, Norway. FAU - Lyche, Jan L AU - Lyche JL AD - Department of Food Safety and Infection Biology, Norwegian University of Life Sciences (NMBU), Oslo, Norway. LA - eng PT - Journal Article DEP - 20181203 PL - Netherlands TA - Sci Total Environ JT - The Science of the total environment JID - 0330500 RN - 0 (Carboxylic Acids) RN - 0 (Decanoic Acids) RN - 0 (Environmental Pollutants) RN - 0 (Fluorocarbons) RN - 0 (Sulfonic Acids) RN - 335-76-2 (perfluorodecanoic acid) RN - SE4TWR0K2C (perfluorobutane) SB - IM MH - Adult MH - *Bariatric Surgery MH - Body Mass Index MH - Carboxylic Acids/blood MH - Decanoic Acids/blood MH - Environmental Pollutants/*blood MH - Female MH - Fluorocarbons/blood MH - Follow-Up Studies MH - Humans MH - Male MH - Middle Aged MH - Regression Analysis MH - Sulfonic Acids/blood OTO - NOTNLM OT - Albumin OT - Bariatric surgery OT - Obesity OT - Perfluoroalkylated substances OT - Total protein OT - Weight loss EDAT- 2019/01/27 06:00 MHDA- 2019/02/15 06:00 CRDT- 2019/01/26 06:00 PHST- 2018/10/01 00:00 [received] PHST- 2018/11/24 00:00 [revised] PHST- 2018/11/29 00:00 [accepted] PHST- 2019/01/26 06:00 [entrez] PHST- 2019/01/27 06:00 [pubmed] PHST- 2019/02/15 06:00 [medline] AID - S0048-9697(18)34808-3 [pii] AID - 10.1016/j.scitotenv.2018.11.453 [doi] PST - ppublish SO - Sci Total Environ. 2019 Mar 20;657:863-870. doi: 10.1016/j.scitotenv.2018.11.453. Epub 2018 Dec 3.