American Journal of Clinical Medicine Research
ISSN (Print): 2328-4005 ISSN (Online): 2328-403X Website: Editor-in-chief: Dario Galante
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American Journal of Clinical Medicine Research. 2014, 2(1), 36-42
DOI: 10.12691/ajcmr-2-1-9
Open AccessArticle

Study of Effect of High-Flux Versus Low-Flux Dialysis Membranes on Parathyroid Hormone

Ahmed Rabie El Arbagy1, Mahmoud Abd El Aziz Koura1, Abd El Samad Sobhy Abou El Nasr2 and Hany Said Elbarbary1,

1Departments of Internal Medicine, Faculty of Medicine, Menoufia University, Menoufia, Egypt

2Internal Medicine Department, Benha teaching hospital, Qalyobia, Egypt

Pub. Date: February 16, 2014

Cite this paper:
Ahmed Rabie El Arbagy, Mahmoud Abd El Aziz Koura, Abd El Samad Sobhy Abou El Nasr and Hany Said Elbarbary. Study of Effect of High-Flux Versus Low-Flux Dialysis Membranes on Parathyroid Hormone. American Journal of Clinical Medicine Research. 2014; 2(1):36-42. doi: 10.12691/ajcmr-2-1-9


Objective: Investigate the influence of permeability of low-flux versus high-flux dialysis membranes on intact PTH during hemodialysis. Background: Hyperparathyroidism is a common finding in patients with renal insufficiency and parathyroid hormone (PTH) is considered a uremic toxin responsible for many of the abnormalities of the uremic state and bone disease. Materials and Methods: Forty adult patients on regular hemodialysis were enrolled in a prospective study. Low-flux polysulfone membranes were used for at least 6 months and then the patients were switched to use high-flux polysulfone membranes for 1 month. Serum electrolytes and intact PTH before and after dialysis were compared before and after changes in dialysis membrane. Results: At the end of the 1-month use of high-flux filters, predialysis intact PTH level (415.96 ± 226.72 ng/dL) showed a significant decline (P < 0.05) compared to the predialysis intact PTH (312.28 ± 191.98 ng/dL) with low-flux membranes. Intact PTH level correlated negatively with serum calcium and positively with serum phosphorus levels only in the predialysis samples with the use of low-flux but not high-flux filters. Conclusion: High-flux dialysis membranes are more efficient in removal of intact PTH, one of the middle-sized uremic toxins, than low-flux membranes.

Parathyroid hormone ESRD hemodialysis membrane

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