| خلاصه مقاله | Introduction: IgA autoantibodies against (b2-glycoproteinI (b2-GPI) are
linked with cardiovascular and thrombotic events and death in patients
with chronic kidney disease (CKD). Identification of risk factors can
improve management strategies. The aim of this study was to compare
the levels of these antibodies in patients undergoing hemodialysis and
peritoneal dialysis.
Methods: The presence of anti-b2-GPI IgA auto-antibodies was evaluated in a cohort of 115 patients under hemodialysis (HD, n= 73) and
peritoneal dialysis (PD, n=42). Moreover, retrospective data on the
incidence of myocardial infarction and cerebrovascular accident (CVA),
arteriovenous fistula (AVF) failure, and history of peritonitis were
analyzed.
Results: Forty-six (40%) of patients were positive for IgA-ab2-GPI
with median levels of 74.95 U/mL (IRQ = 47.27). Anti-IgA-ab2-
GPIantibodies titer was higher in HD than PD group [median 76.35
(47) vs. 63.85 (56.35)]; however, it was statistically insignificant (p =
0.721). AVF thrombosis occurred in 12% and 28.6% of patients in
HD and PD, respectively (p = 0.030). There was no significant difference between AVF failure and lgA-aP2-GPI positivity (p =
0.0901). Sixty-one percent of PD patients had a history of peritonitis,
21.4% (n = 9) of which were positive for IgA-ab2GPI (p = 0.554).
Positive lgA-aP2-GPI increased the risk of thrombotic events (CVA
and MI) (OR= 2.43, CI: 0.65-9.17. p = 0.18), it was not statistically
significant though.
Conclusions: The results indicate that lgA-ap2GPI levels were not
associated with the type of dialysis (HD, or PD). Moreover, the presence
of anti-lgA-aP2-GPI in patients underlying dialysis may be linked with
the incidence of thrombotic events |