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[Coagulation in hemodialysis]

M Camici1, L Evangelisti, P Balestri

  • 1Divisione di Nefrologia, Ospedale Santa Chiard, Università degli Studi, Pisa.

Minerva Medica
|November 1, 1996
PubMed
Summary
This summary is machine-generated.

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Hemodialysis significantly increased protein C activity and coagulation factors in patients with kidney disease. However, serum lipoprotein(a) levels remained elevated, suggesting a complex interaction during dialysis treatment.

Area of Science:

  • Cardiovascular Science
  • Nephrology
  • Hematology

Context:

  • Patients undergoing maintenance hemodialysis often exhibit altered coagulation profiles.
  • Uremic patients present unique challenges in managing cardiovascular risk factors.
  • Hemodialysis is a critical intervention for end-stage renal disease.

Purpose:

  • To investigate the impact of hemodialysis on specific coagulation factors and lipoprotein(a) levels.
  • To compare pre- and post-hemodialysis plasma concentrations of protein C, factor X, factor VII, and lipoprotein(a).
  • To explore the in vitro effects of uremic plasma and heparin on lipoprotein(a) stability.

Summary:

  • Hemodialysis treatment led to a significant increase in protein C activity and coagulant activity of factor X and factor VII in patients on maintenance hemodialysis.

Related Experiment Videos

  • Despite heparinization, these coagulation factors showed improvement. Serum lipoprotein(a) levels were initially high and did not change post-hemodialysis.
  • In vitro studies indicated that lipoprotein(a) concentration decreased upon incubation, but heparin addition increased it specifically in uremic blood.

    • Impact:

    • Findings suggest hemodialysis may positively influence certain coagulation parameters in uremic patients.
    • Elevated lipoprotein(a) persists post-hemodialysis, highlighting a potential ongoing cardiovascular risk factor.
    • The study provides insights into the complex interplay between uremia, hemodialysis, anticoagulation, and lipoprotein(a) metabolism.