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Published on: February 7, 2015

Dialysis methods may affect carotid intima-media thickness in Chinese end-stage renal disease patients

Zhanqin Shi1, Ming Zhu, Jianming Guan

  • 1Department of Nephrology, The First Affiliated Hospital of Huzhou Teachers College, Huzhou, Zhejiang, PR China.

Renal Failure
|September 27, 2012
PubMed

Insights

Continuous ambulatory peritoneal dialysis (CAPD) and maintenance hemodialysis (MHD) both increase atherosclerosis markers in end-stage renal disease (ESRD) patients. After five years, CAPD patients showed higher carotid intima-media thickness than MHD patients.

Area of Science:

  • Nephrology
  • Cardiology
  • Vascular Biology

Background:

  • Atherosclerosis is a primary cause of cardiovascular disease in end-stage renal disease (ESRD) patients.
  • Carotid intima-media thickness (IMT) serves as an early indicator of atherosclerosis.
  • Comparing dialysis modalities is crucial for managing cardiovascular risk in ESRD.

Purpose of the Study:

  • To compare carotid intima-media thickness (IMT) between continuous ambulatory peritoneal dialysis (CAPD) and maintenance hemodialysis (MHD) in Chinese ESRD patients.
  • To assess the impact of dialysis duration on atherosclerosis markers in CAPD and MHD.
  • To identify potential differences in cardiovascular risk between dialysis modalities.

Main Methods:

  • Cross-sectional study involving 72 CAPD patients, 92 MHD patients, and 50 healthy controls.
  • Carotid intima-media thickness (IMT) and carotid plaque detection via ultrasound.
  • Patients stratified into subgroups based on dialysis duration (3-179 months).

Main Results:

  • Both CAPD and MHD groups exhibited significantly higher carotid IMT and plaque rates than controls (p < 0.01).
  • No significant difference in carotid IMT or plaque rates between CAPD and MHD overall (p > 0.05).
  • After 5 years of dialysis, CAPD subgroups showed higher carotid IMT than MHD subgroups (p < 0.05).

Conclusions:

  • Both CAPD and MHD contribute to atherosclerosis progression in ESRD patients.
  • Long-term CAPD (≥5 years) may be associated with a greater increase in carotid IMT compared to MHD.
  • Further research is needed to elucidate the long-term cardiovascular implications of different dialysis modalities.

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