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Müller MM, Caspar L, Sazpinar O, Hofmaenner DA, Erlebach R, Andermatt R, Ganter CC, Schuepbach RA, Wendel-Garcia PD, David S. Metabolic disturbances potentially attributable to clogging during continuous renal replacement therapy. Intensive Care Med Exp 2023; 11:99. [PMID: 38127207 PMCID: PMC10739685 DOI: 10.1186/s40635-023-00581-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Accepted: 12/12/2023] [Indexed: 12/23/2023] Open
Abstract
BACKGROUND Clogging is characterized by a progressive impairment of transmembrane patency in renal replacement devices and occurs due to obstruction of pores by unknown molecules. If citrate-based anti-coagulation is used, clogging can manifest as a metabolic alkalosis accompanied by hypernatremia and hypercalcemia, primarily a consequence of Na3Citrate infusion. An increased incidence of clogging has been observed during the COVID-19 pandemic. However, precise factors contributing to the formation remain uncertain. This investigation aimed to analyze its incidence and assessed time-varying trajectories of associated factors in critically ill patients on continuous renal replacement therapy (CRRT). METHODS In this retrospective, single-center data analysis, we evaluated COVID-19 patients undergoing CRRT and admitted to critical care between March 2020 and December 2021. We assessed the proportional incidence of clogging surrogates in the overall population and subgroups based on the specific CRRT devices employed at our institution, including multiFiltrate (Fresenius Medical Care) and Prismaflex System (Baxter). Moderate and severe clogging were defined as Na > 145 or ≥ 150 mmol/l and HCO3- > 28.0 or ≥ 30 mmol/l, respectively, with a total albumin-corrected calcium > 2.54 mmol/l. A mixed effect model was introduced to investigate factors associated with development of clogging. RESULTS Fifty-three patients with 240 CRRT runs were analyzed. Moderate and severe clogging occurred in 15% (8/53) and 19% (10/53) of patients, respectively. Twenty-seven percent (37/136) of CRRTs conducted with a multiFiltrate device met the criteria for clogging, whereas no clogging could be observed in patients dialyzed with the Prismaflex System. Occurrence of clogging was associated with elevated triglyceride plasma levels at filter start (p = 0.013), amount of enteral nutrition (p = 0.002) and an increasing white blood cell count over time (p = 0.002). CONCLUSIONS Clogging seems to be a frequently observed phenomenon in critically ill COVID-19 patients. The presence of hypertriglyceridemia, combined with systemic inflammation, may facilitate the development of an impermeable secondary membrane within filters, thereby contributing to compromised membrane patency.
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Affiliation(s)
- Mattia M Müller
- Institute of Intensive Care Medicine, University Hospital Zurich, Rämistrasse 100, 8091, Zurich, Switzerland
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Canada
| | - Larina Caspar
- Institute of Intensive Care Medicine, University Hospital Zurich, Rämistrasse 100, 8091, Zurich, Switzerland
| | - Onur Sazpinar
- Institute of Intensive Care Medicine, University Hospital Zurich, Rämistrasse 100, 8091, Zurich, Switzerland
| | - Daniel A Hofmaenner
- Institute of Intensive Care Medicine, University Hospital Zurich, Rämistrasse 100, 8091, Zurich, Switzerland
| | - Rolf Erlebach
- Institute of Intensive Care Medicine, University Hospital Zurich, Rämistrasse 100, 8091, Zurich, Switzerland
| | - Rea Andermatt
- Institute of Intensive Care Medicine, University Hospital Zurich, Rämistrasse 100, 8091, Zurich, Switzerland
| | - Christoph C Ganter
- Institute of Intensive Care Medicine, University Hospital Zurich, Rämistrasse 100, 8091, Zurich, Switzerland
| | - Reto A Schuepbach
- Institute of Intensive Care Medicine, University Hospital Zurich, Rämistrasse 100, 8091, Zurich, Switzerland
| | - Pedro D Wendel-Garcia
- Institute of Intensive Care Medicine, University Hospital Zurich, Rämistrasse 100, 8091, Zurich, Switzerland
| | - Sascha David
- Institute of Intensive Care Medicine, University Hospital Zurich, Rämistrasse 100, 8091, Zurich, Switzerland.
- Department of Nephrology, Hannover Medical School, Hanover, Germany.
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Lal A, Nabzdyk C, Ramakrishna H, Radosevich M. Consider Heightened Awareness of Propofol Infusion Syndrome after Extracorporeal Membrane Oxygenation (ECMO) Decannulation. J Cardiothorac Vasc Anesth 2020; 34:2174-2177. [PMID: 31937479 DOI: 10.1053/j.jvca.2019.12.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Accepted: 12/12/2019] [Indexed: 11/11/2022]
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Burstedt D, Tippett JC. Severe Hypertriglyceridemia During Cardiopulmonary Bypass. J Cardiothorac Vasc Anesth 2019; 33:3418-3422. [PMID: 31076303 DOI: 10.1053/j.jvca.2019.04.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2019] [Revised: 04/02/2019] [Accepted: 04/05/2019] [Indexed: 01/04/2023]
Affiliation(s)
- David Burstedt
- Baylor Scott & White Healthcare/Texas A&M University Health Science Center College of Medicine, Temple, TX
| | - J Clint Tippett
- Baylor Scott & White Healthcare/Texas A&M University Health Science Center College of Medicine, Temple, TX.
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