title: Effect of preload reduction by hemodialysis on myocardial ultrasonic characterization, left atrial volume, and Doppler tissue imaging in patients with end-stage renal disease.
abstract: The purpose of this study was to investigate the effect of hemodialysis (HD) on myocardial cyclic variation of integrated backscatter (CVIBS), left atrium (LA) volume and tissue Doppler imaging (TDI) in end-stage renal disease (ESRD) patients. We examined 25 patients with ESRD undergoing routine HD and 19 age-matched healthy volunteers. CVIBS, LA volume and left ventricular echocardiographic parameters were measured before and after HD in ESRD patients. CVIBS of both the intervetricular septum and posterior wall were significantly diminished after HD (8.2 +/- 2.5 dB vs. 6.5 +/- 1.8 dB, P < 0.001; 9.2 +/- 2.6 dB vs. 7.6 +/- 2.2dB, p < 0.05 respectively). LA volume decreased significantly after HD (P < 0.05). There was no change in the mitral annulus early diastolic velocity (Em) estimated by TDI. The results of our study demonstrate that HD leads to decrease of CVIBS in ESRD patients and that early mitral annulus velocity (Em) could be preload independent marker of left ventricular diastolic function in ESRD patients.
authors.affiliation: First Department of Cardiology, Medical University of Gdansk, Gdansk, Poland. mfijalkowski@amg.gda.pl <mfijalkowski@amg.gda.pl>
authors.forename: Marcin
authors.initials: M
authors.lastname: Fijalkowski
authors.forename: Andrzej
authors.initials: A
authors.lastname: Koprowski
authors.forename: Marcin
authors.initials: M
authors.lastname: Gruchala
authors.forename: Rafal
authors.initials: R
authors.lastname: Galaska
authors.forename: Alicja
authors.initials: A
authors.lastname: Debska-Slizien
authors.forename: Jan
authors.initials: J
authors.lastname: Rogowski
authors.forename: Boleslaw
authors.initials: B
authors.lastname: Rutkowski
authors.forename: Andrzej
authors.initials: A
authors.lastname: Rynkiewicz
mesh_terms: D015150:Echocardiography, Doppler; D005260:Female; D006325:Heart Atria / Q000000981:diagnostic imaging* / Q000503:physiopathology; D006801:Humans; D007676:Kidney Failure, Chronic / Q000150:complications / Q000000981:diagnostic imaging* / Q000503:physiopathology / Q000628:therapy*; D008297:Male; D008875:Middle Aged; D006435:Renal Dialysis; D016896:Treatment Outcome; D018487:Ventricular Dysfunction, Left / Q000000981:diagnostic imaging* / Q000209:etiology / Q000503:physiopathology