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  • Title: Amyloid bone disease and highly permeable synthetic membranes.
    Author: Boccalatte M, Pratesi G, Calabrese G, Bignazzi A, Gonella M.
    Journal: Int J Artif Organs; 1994 Apr; 17(4):203-8. PubMed ID: 8070942.
    Abstract:
    The effect of different highly permeable membranes on amyloid bone disease (ABD) was retrospectively evaluated in patients on renal replacement therapy (RRT) in our Unit with a dialytic age of more than 4 years. A group of 36 patients (age 60 +/- 12 years) after a variable period (28 +/- 29 months) on hemodialysis with cuprophane membrane (CU-HD), were moved to HDF with a reinfusate volume of 22 +/- 1 1/session, for a period of 65 +/- 26 months using the following membranes: AN69 1.6 m2, PAN 1.8, PMMA 2.1, PS 1.3, polyamide (PA) 1.3 and 1.6. Bone x-rays of wrists, hips and shoulders were taken annually and the presence of ABD was evaluated according to generally accepted criteria. ABD occurred in 4 patients after a period of 73 +/- 30 months on CU-HD only; it developed in 4/7 patients an AN69, in 4/6 on PAN, in 3/5 on PMMA, in 3/5 on PS; no patient of the 13 on PA developed ABD. Comparing patients on PA with those on other synthetic membranes, no significant difference was found in dialysis time (73 +/- 19 vs 83 +/- 28 months) as well as in age (59 +/- 13 vs 61 +/- 11 years) at ABD on set, when present. These data strongly encourage prospective studies enrolling more patients for a longer period of observation in order to evaluate possible differences on ABD development among various synthetic membranes.
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