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Name of Media:

The Efficacy of Albumin Dialysis in the Reversal of Refractory Vasoplegic Shock Due to Amlodipine Toxicity

Author(s):

Randi L. Connor-Schuler, MD; Jennifer M. Carr, MS; Matthew S. Reaven, MD; Bob T. Bridgman, PharmD; Deepa M. Patel, MD; Ram M. Subramanian, MD

Publisher or Source:

Critical Care Explorations

Type of Media:

Medical Journal

Media Originally for:

Critical Care Physicians,General Medical Professionals,Nurses and/or Other Critical Care Medical Professionals

Country of Origin:

United States of America (the)

Primary Focus of Media:

Pre-Use of PICS Designation

COVID-19 Related:

No

Description:

Objectives: Calcium channel blockers are highly protein-bound medications frequently used in the management of hypertension. Overdose results in severe hypotension and is the fourth most common cause of toxicity-related deaths in the United States. Management is mostly supportive, with currently no standard role for targeted drug removal. The protein-bound nature of these medications presents the option of utilizing albumin dialysis for their removal and for the reversal of associated shock.
Design and Subjects: We present two cases of life-threatening intentional amlodipine overdoses successfully treated with albumin dialysis. Both patients experienced profound distributive shock in the setting of preserved cardiac contractility that was refractory to maximal vasoactive agent support.
Interventions and Results: After initiation of albumin dialysis, the patients showed rapid hemodynamic improvement and were able to be weaned off vasopressor support.
Conclusions: These cases demonstrate the safety and efficacy of albumin dialysis in the management of near-fatal calcium channel blocker overdoses related to amlodipine and offer an additional therapeutic option apart from conventional supportive care. Importantly, these cases were not associated with impaired cardiac contractility, thereby making venoarterial extracorporeal membrane oxygenation a less preferable option. Furthermore, this therapeutic benefit of albumin dialysis can potentially be extended to the management of toxicity related to other highly protein-bound drugs and toxins.

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