Comparison of Sustained Hemodiafiltration With Continuous Venovenous Hemodiafiltration for the Treatment of Critically Ill Patients With Acute Kidney Injury

Artificial Organs - Tập 34 Số 4 - Trang 331-338 - 2010
Masanori Abe1, Kazuyoshi Okada1, Midori Suzuki1, Chinami Nagura1, Yuko Ishihara1, Yuki Fujii1, Kazuya Ikeda1, Kazo Kaizu2, Koichi Matsumoto1
1Division of Nephrology, Hypertension and Endocrinology, Department of Medicine, Nihon University School of Medicine, Tokyo
2Department of Nephrology and Blood Purification, Yokohama Social Insurance Central Hospital, Yokohama, Japan

Tóm tắt

AbstractDespite improvements in medical care, the mortality of critically ill patients with acute kidney injury (AKI) who require renal replacement therapy (RRT) remains high. We describe a new approach, sustained hemodiafiltration, to treat patients who suffered from acute kidney injury and were admitted to intensive care units (ICUs). In our study, 60 critically ill patients with AKI who required RRT were treated with either continuous venovenous hemodiafiltration (CVVHDF) or sustained hemodiafiltration (S‐HDF). The former was performed by administering a postfilter replacement fluid at an effluent rate of 35 mL/kg/h, and the latter was performed by administering a postfilter replacement fluid at a dialysate‐flow rate of 300–500 mL/min. The S‐HDF was delivered on a daily basis. The baseline characteristics of the patients in the two treatment groups were similar. The primary study outcome—survival until discharge from the ICU or survival for 30 days, whichever was earlier—did not significantly differ between the two groups: 70% after CVVHDF and 87% after S‐HDF. The hospital‐survival rate after CVVHDF was 63% and that after S‐HDF was 83% (P < 0.05). The number of patients who showed renal recovery at the time of discharge from the ICU and the hospital and the duration of the ICU stay significantly differed between the two treatments (P < 0.05). Although there was no significant difference between the mean number of treatments performed per patient, the mean duration of daily treatment in the S‐HDF group was 6.5 ± 1.0 h, which was significantly shorter. Although the total convective volumes—the sum of the replacement‐fluid and fluid‐removal volumes—did not differ significantly, the dialysate‐flow rate was higher in the S‐HDF group. Our results suggest that in comparison with conventional continuous RRT, including high‐dose CVVHDF, more intensive renal support in the form of postdilution S‐HDF will decrease the mortality and accelerate renal recovery in critically ill patients with AKI.

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Artificial Organs

Tập 34 Số 4

331-338

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