Effects of carperitide on contrast-induced acute kidney injury with a minimum volume of contrast in chronic kidney disease patients.
OBJECTIVE
Although contrast-induced acute kidney injury (CIAKI) is a major complication associated with angiography, the prophylaxis is not well established. Use of a low dose of carperitide for preventing CIAKI remains controversial. We examined the protective effect of carperitide on CIAKI after coronary angiography with a small contrast volume in chronic kidney disease (CKD) patients with coronary artery disease.


METHODS
We randomly assigned 112 consecutive patients to a carperitide or a control group. The contrast volume was kept under 150 ml. The primary endpoint was the incidence of CIAKI defined by a serum creatinine of ≥25% or a serum creatinine of ≥0.5 mg/dl from baseline within 48 h. The secondary endpoint was a change in renal function at 1 week after the procedure.


RESULTS
The baseline characteristics and contrast volumes (carperitide group: 67.4 ± 38.2 ml vs. control group: 64.8 ± 20.5 ml, p = 0.661) were comparable in the two groups. The incidence of CIAKI was similar in the two groups (carperitide group: 8.5% vs. control group: 5.7%, p = 0.564). A multivariate analysis revealed that a hypotension ≥20 mm Hg was a significant predictor of developing CIAKI in the carperitide group (p = 0.015). The incidence of CIAKI in the carperitide group without hypotension was rare, but not significantly different (carperitide group: 2.4% vs. control group: 5.7%, p = 0.432).


CONCLUSIONS
This study indicated that the use of a small contrast volume suppressed the incidence of CIAKI and that carperitide had no prophylactic effect against CIAKI. Our results also revealed the impact of hypotension on the development of CIAKI in the carperitide group.
Department of Cardiology, Nagoya University Graduate School of Medicine, Nagoya, Japan.
Naoki
N
Okumura
Mutsuharu
M
Hayashi
Enyu
E
Imai
Hideki
H
Ishii
Daiji
D
Yoshikawa
Yoshinari
Y
Yasuda
Motomitsu
M
Goto
Seiichi
S
Matsuo
Yutaka
Y
Oiso
Toyoaki
T
Murohara
Carperitide; Chronic kidney disease; Contrast medium volume; Contrast-induced acute kidney injury