International Heart Journal
Online ISSN : 1349-3299
Print ISSN : 1349-2365
ISSN-L : 1349-2365
Clinical Studies
Relationship Between Doppler Transmitral Flow Velocity Pattern and Plasma Atrial and Brain Natriuretic Peptide Concentrations in Anuric Patients on Maintenance Hemodialysis
Shigenori Ito, Sumiko Murai, Norio Takada, Atsushi Ozasa, Mayumi Hanada, Masaya Sugiyama, Kaoru Suzuki, Yuji Nagae, Toshiaki Inagaki, Yutaka Takeda, Tatsuya Fukutomi, Takashi Joh
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Keywords: Doppler echocardiography, Transmitral flow velocity pattern, Atrial natriuretic peptide, Brain natriuretic peptide, Hemodialysis, Preload
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2006 Volume 47 Issue 3 Pages 401-408

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Abstract

Plasma atrial (ANP) and brain (BNP) natriuretic peptide levels were compared to determine if transmitral flow velocity pattern is an instantaneous marker of body fluid balance in anuric patients on hemodialysis (HD).
We measured plasma ANP and BNP levels and performed Doppler echocardiography in 38 anuric patients before and after HD. Patients with valvular disease, left ventricular systolic dysfunction having a fractional shortening < 0.3, arrhythmia, or left ventricular hypertrophy were excluded. The relationships between plasma ANP or BNP levels and the transmitral flow velocity pattern were evaluated. We also determined if the magnitude of the decrease in plasma ANP level was related to that in the early peak of transmitral flow velocity (peak E). The mean age of the subjects was 61.1 ± 9.7 years.
The ANP level of 213.6 ± 146.1 pg/mL was related to peak E of 61 ± 15 cm/s before HD (R = 0.504, P < 0.001), but not after HD. Plasma ANP level was not related to peak late transmitral flow velocity (peak A) or peak E/peak A before or after HD. BNP level was not related to the transmitral flow velocity pattern. The magnitude of decrease in hANP level during HD was significantly related to that in peak E (R = 0.342, P < 0.05).
Before HD, peak E was related to the plasma ANP level, reflecting volume overload. Change in peak E showed a weak relationship with that of plasma ANP level in the same HD patient. The measurement of peak E during a HD session may potentially enable the assessment of hydration status during HD.

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© 2006 by the International Heart Journal Association
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