Paediatrics Publications

Title

When CRRT on ECMO Is not Enough for potassium clearance: A case report

Document Type

Article

Publication Date

1-1-2017

Journal

Canadian Journal of Kidney Health and Disease

Volume

4

First Page

1

Last Page

5

URL with Digital Object Identifier

10.1177/2054358117722559

Abstract

Background: Continuous renal replacement therapy (CRRT) is an excellent method used to remove fluid and solutes. It may also reduce the systemic inflammatory response for patients on extracorporeal membrane oxygenation (ECMO) support. Theobjective of this report is to describe a case where CRRT in combination with ECMO was insufficient to control hyperkalemia. Methods: We report the case of an adolescent patient with refractory symptomatic hyperkalemia due to substantial rhabdomyolysis in which CRRT insufficiently cleared the patient's excess potassium. Results: Intermittent hemodialysis (IHD) was added and proved successful. The patient was weaned off ECMO, CRRT, and IHD, and his cardiac and renal function eventually normalized. Conclusions: Two important lessons can be learned from this case report: (1) If CRRT is insufficient in achieving a desirable potassium balance, additional IHD should be considered and (2) separate IHD access should be considered to improve efficacy.

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