Dialysis-Induced Alterations in Left Ventricular Filling: Mechanisms and Clinical Significance

John D. Rozich, Brian Smith, James D. Thomas, Michael R. Zile, Jackie Kaiser, Douglas L. Mann*

*Corresponding author for this work

Research output: Contribution to journalArticle

39 Scopus citations

Abstract

Quantitative two-dimensional (2-D) and Doppler echocardiography were used to determine whether hemodialysis results in alterations in left ventricular (LV) diastolic filling that might contribute to dialysis-induced hypotension, as well as to assess whether any hemodynamic variables or indices of diastolic filling might be used to identify which patients were at the greatest risk of becoming hemodynamically unstable during dialysis. Sixteen male patients undergoing routine maintenance hemodialysis for end-stage renal disease were prospectively studied before and after hemodialysis. Following hemodialysis there was a significant prolongation (P < 0.05) in LV isovolumetric relaxation time (IVRT), as well as a significant reduction in the rate and extent of early rapid ventricular filling (P < 0.005); in contrast, late atrial-assisted filling did not change significantly. A multiple stepwise linear regression analysis of predialysis hemodynamic parameters and noninvasive indices of LV filling showed that there was a significant independent inverse relationship between the frequency of dialysis-related hypotensive episodes and the duration of early LV filling (r = −0.81; P < 0.001). These results suggest that hemodialysis results in discrete alterations in early LV filling, with no significant compensatory increase in late atrial-assisted ventricular filling. Further, patients with the shortest early LV filling times appeared to have the greatest predilection for becoming hemodynamically unstable during dialysis.

Original languageEnglish (US)
Pages (from-to)277-285
Number of pages9
JournalAmerican Journal of Kidney Diseases
Volume17
Issue number3
DOIs
StatePublished - Jan 1 1991

Keywords

  • Doppler echocardiography
  • hemodialysis
  • hypotension

ASJC Scopus subject areas

  • Nephrology

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