Bioimpedance Analysis Guided Volume Expansion for the Prevention of Contrast Induced-acute Kidney Injury

Bioimpedance Analysis Guided Volume Expansion for the Prevention of Contrast

Bioelectrical impedance analysis guided volume expansion for the prevention of contrast induced-acute kidney injury

Compared bioelectrical impedance analysis guided hydration therapy versus standard hydration for the prevention of contrast induced-acute kidney injury

Inclusion Criteria:

1. Age 18-90 yr
2. Chronic kidney disease stage 3 & 4 (eGFR 15-60 ml/min/m2)
3. elective cardiac catheterization

Exclusion Criteria:

1. Contrast media administration in the past 14 days
2. congestive heart failure (NYHA III-IV, ascites , pleuropericardial effusion ,severe valvular heart disease
3. Kidney transplant status or RRT
4. Emergency cardiac catheterization
5. Allergy to radiographic contrast media
6. Unstable renal function (change in serum creatinine ≥ 0.5 mg/dl or 25% within 14 days prior to the study
7. Not inform consent
8. left ventricular ejection fraction < 40 %
9. Liver cirrhosis child B or C
10. Dosage of angiotensin-converting enzyme inhibitor /angiotensin II receptor blocker changed in past 2 wk