期刊
AMERICAN JOURNAL OF KIDNEY DISEASES
卷 78, 期 4, 页码 550-U70出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1053/j.ajkd.2021.01.017
关键词
-
资金
- National Institutes of Health National Institute of Diabetes and Digestive and Kidney Diseases O'Brien Centre for AKI Research Grant [DK079337]
This retrospective cohort study evaluated the safety and efficacy of RCA-CKRT using calcium-containing solutions in critically ill patients with liver disease or sepsis. The results suggest that RCA-CKRT with calcium-containing solutions is feasible and safe in these patients, leading to longer filter life but potential metabolic complications such as hypocalcemia or hypercalcemia.
Objective: Regional citrate anticoagulation (RCA) is the preferred anticoagulation method for continuous kidney replacement therapy (CKRT) recommended by KDIGO. Limited availability of calcium-free solutions often imposes challenges to the implementation of RCA for CKRT (RCA-CKRT). The principal purpose of this study was to characterize the outcomes of RCA-CKRT using calcium-containing solutions. Study Design: Retrospective cohort study. Setting & Participants: We evaluated the safety and efficacy of RCA-CKRT with calcium-containing dialysate and replacement fluid used for 128 patients. A total of 571 filters and 1,227 days of CKRT were analyzed. Exposures: Liver disease, sepsis in the absence of liver disease, and sepsis with liver disease. Outcomes: Filter life and metabolic complications per 100 CKRT days. Analytical Approach: Linear mixed-effects model and generalized linear mixed-effects models. Results: The majority of patients were male (91; 71.1%), 32 (25%) had liver disease, and 29 (22.7%) had sepsis without liver disease. Median filter life was 50.0 (interquartile range, 22.0-118.0) hours, with a maximum of 322 hours, and was significantly lower (33.5 [interquartile range, 17.5-60.5] h) in patients with liver disease. Calcium-containing replacement solutions were used in 41.6% of all CKRT hours and reduced intravenous calcium requirements by 31.7%. Hypocalcemia (ionized calcium <0.85 mmol/L) and hypercalcemia (total calcium >10.6 mg/dL) were observed in 6.0 and 6.7 per 100 CKRT days, respectively. Citrate accumulation was observed in 13.3% of all patients and was associated with metabolic acidosis in 3.9%, which was not significantly different in patients with liver disease (9.3%; P = 0.2). Limitations: Lack of control groups that used calcium-free dialysate and replacement solutions with RCA-CKRT. Possible overestimation of filter life from incomplete data on cause of filter failure. Conclusions: Our study suggests that RCA-CKRT with calcium-containing solutions is feasible and safe in critically ill patients, including those with sepsis and liver disease.
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