Application of regional citrate anticoagulation during plasma adsorption and plasma exchange for patients with liver failure at high risk of bleeding

Ma, Yuanji; Chen, Fang; Xu, Yan; Bai, Lang; Tang, Hong

doi:10.11569/wcjd.v26.i3.165

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“…Citrate is metabolized mainly in the liver, so liver failure was once listed as one of the contraindications of RCA. However, with the development of RCA research, there have been more and more reports on the application of RCA in adult patients with LF in recent years (2)(3)(4)(5)(6), but only a few in children (7)(8)(9)(10)(11)(12). Few studies introduced the detailed RCA-CRRT protocol, especially those after adjustment.…”

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confidence: 99%

Clinical application of regional citrate anticoagulation for continuous renal replacement therapy in children with liver injury

Sun

Bai

et al. 2022

Front. Pediatr.

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BackgroundRegional citrate anticoagulation (RCA) is increasingly used for continuous renal replacement therapy (CRRT) in children, but it is rarely used in children with liver injury, especially liver failure (LF). We analyze this issue through the following research.MethodsWe retrospectively analyzed 75 children with liver injury who underwent RCA-CRRT in the Pediatric Intensive Care Unit (PICU) of Children's Hospital of Chongqing Medical University. The patients were divided into the LF group and liver dysfunction (LD) group. The two groups were compared to evaluate the clinical safety and efficacy of RCA-CRRT in children with liver injury and to explore RCA-CRRT management strategies, in terms of the following indicators: the incidence of bleeding, clotting, citrate accumulation (CA), acid–base imbalance, and electrolyte disturbance, as well as filter lifespans, changes in biochemical indicators, and CRRT parameters adjustment.ResultsThe total incidence of CA (TCA) and persistent CA (PCA) in the LF group were significantly higher than those in the LD group (38.6 vs. 16.2%, p < 0.001; 8.4 vs. 1.5%, p < 0.001); and the CA incidence was significantly reduced after adjustment both in the LF (38.6 vs. 8.4%, p < 0.001) and LD groups (16.2 vs. 1.5%, p < 0.001). The incidence of hypocalcemia was significantly higher in the LF group than in the LD group either before (34.9 vs. 8.8%, p < 0.001) or after treatment (12.0 vs. 0%, p < 0.001). The speed of the blood and citrate pumps after adjustment was lower than the initial setting values in both the LF and LD groups. The dialysis speed plus replacement speed were higher than the initial settings parameters.ConclusionFor children undergoing RCA-CRRT, the risks of CA and hypocalcemia are significantly higher in children with liver failure than those with liver dysfunction, but through the proper adjustment of the protocol, RCA-CRRT can still be safely and effectively approached for children with LD and even LF.

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