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Prognostic implications of echocardiographic measures of left and right atrial pressures on survival in patients with end stage renal disease
Author(s) -
Aftab Waqas,
Motabar Ali,
Pai Ramdas G.,
Varadarajan Padmini
Publication year - 2021
Publication title -
echocardiography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 62
eISSN - 1540-8175
pISSN - 0742-2822
DOI - 10.1111/echo.15139
Subject(s) - medicine , cardiology , dialysis , end stage renal disease , central venous pressure , blood pressure , hemodialysis , population , physical examination , inferior vena cava , transplantation , heart rate , environmental health
Background Volume excess is common in patients with end stage renal disease (ESRD). We examined the prognostic value of clinical and echocardiographic measures of left (LA) and right atrial (RA) hypertension in this population. Method We prospectively collected demographic, clinical, pharmacological, echocardiographic data on 575 consecutive ESRD patients on hemodialysis undergoing cardiac evaluation before renal transplantation in a dedicated cardiac clinic. Survival was analyzed as a function of clinical and echocardiographic measures of LA and (RA) hypertension. Result E levated LA pressure was seen in 48% of the patients based on E/e’ velocity ratio of ≥ 15, and 28% had elevated RA pressure based on inferior vena caval size. Physical examination grossly underestimated the prevalence of both LA and RA hypertension. Atrial pressures were normal in 46% and both atrial pressures were elevated in 20% of the patients. Elevated LA pressure in the presence of normal RA pressure was found in 30%. Over a period of 20 ± 8 months, there were 43 deaths. There was a graded increase in mortality with increases in LA and bi‐atrial hypertension ( p  = .009). The 2‐year mortality rate was 6% in those with normal atrial pressures, 13% in those with isolated LA hypertension and 28% in those with bi‐atrial hypertension. Conclusion Mitral E/e’ ratio and inferior vena caval size are vastly more sensitive than physical examination for recognition of elevated atrial pressures and are strong predictors of survival in ESRD patients. Limited echocardiographic examination may have a role in ESRD patients undergoing dialysis to help achieve euvolemic status.

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