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IgM-anticardiolipin antibody and vascular access thrombosis in chronic hemodialysis patients

Feng-Rong Chuang1, Te-Chuan Chen, Chih-Chao Yang

  • 1Chang Gung Memorial Hospital, Kaohsiung Medical Center, Kaohsiung, Taiwan.

Renal Failure
|February 19, 2005
PubMed

Insights

Elevated immunoglobulin-M anticardiolipin antibody (IgM-aCL) titers do not appear to cause recurrent vascular access thrombosis (VAT) in chronic hemodialysis patients. Hepatitis C may be a contributing factor to VAT in these patients.

Area of Science:

  • Nephrology
  • Immunology
  • Vascular Surgery

Background:

  • Vascular access failure is a significant complication for patients undergoing chronic hemodialysis (HD).
  • Elevated immunoglobulin-M anticardiolipin antibody (IgM-aCL) titers have been linked to vascular access stenosis in HD patients.
  • The relationship between elevated IgM-aCL titers and recurrent vascular access thrombosis (VAT) in HD patients, particularly in Western populations and Taiwan, remains unclear.

Purpose of the Study:

  • To investigate the association between elevated IgM-aCL titers and recurrent VAT in patients undergoing chronic HD.
  • To explore the clinical significance of IgM-aCL titers in the context of vascular access complications in HD patients.

Main Methods:

  • A cohort of 483 patients undergoing chronic HD was enrolled.
  • Immunoglobulin-M anticardiolipin antibody (IgM-aCL) titers were measured for all participants.
  • Hepatitis C markers were assessed in all subjects.

Main Results:

  • Elevated IgM-aCL titers were identified in 17.4% of the studied patients.
  • No statistically significant association was found between elevated IgM-aCL titers and recurrent VAT (P=0.90).
  • A significant difference in the prevalence of hepatitis C was observed between patients with elevated and normal IgM-aCL titers (P=0.027).

Conclusions:

  • Elevated IgM-aCL titers are not significantly associated with recurrent VAT in chronic HD patients.
  • The findings suggest that elevated IgM-aCL titers may not be a primary cause of recurrent VAT in synthetic or native fistulas.
  • The presence of hepatitis C might act as a potential cofactor in the development of VAT among HD patients.
Abstract

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