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Related Experiment Videos

[Mitral annular calcification in dialysis patients].

T Ritschard1, A Blumberg, H R Jenzer

  • 1Kardiologische und Nephrologische Abteilung, Medizinische Klinik, Kantonsspital Aarau.

Schweizerische Medizinische Wochenschrift
|September 12, 1987
PubMed
Summary

Degenerative mitral annular calcifications (MAC) are significantly more common in chronic dialysis patients. These calcifications often lead to mitral valve dysfunction, impacting patient health.

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Area of Science:

  • Cardiology
  • Nephrology

Context:

  • Degenerative mitral annular calcifications (MAC) typically affect individuals over 70.
  • Advanced MAC can encircle the mitral valve, affecting the aortic root.

Purpose:

  • To investigate the incidence and clinical significance of MAC in patients undergoing chronic dialysis.

Summary:

  • Echocardiography revealed a 55% MAC incidence in 33 chronic dialysis patients versus 0% in age/sex-matched controls (p<0.001).
  • MAC patients were older, on longer dialysis, with higher parathormone levels.
  • Associated findings included left atrial dilatation, aortic root/valve sclerosis, and mitral valve dysfunction (regurgitation/stenosis) in 12 patients.

Impact:

  • Chronic dialysis is a significant risk factor for MAC.
  • MAC in dialysis patients frequently causes mitral valve dysfunction, highlighting its clinical importance.

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