Abstract
Introduction
Rituximab is a monoclonal antibody that has shown efficacy in non-Hodgkin's lymphoma, chronic lymphocytic leukemia (CLL), both as a single agent and in combination with traditional chemotherapies.
Case report
Here, we present a case wherein a 56-year-old man developed dilated cardiomyopathy following one cycle of rituximab and bendamustine chemotherapy protocol used to treat chronic lymphocytic leukemia. On the fifth day the patient developed hypotensive shock followed closely by the development of cough after two days.
Management and outcome
The patient was started on carvedilol 3.125 mg, ramipril 2.5 mg, and torsemide 5 mg for treatment of cardiomyopathy. Blood transfusion was necessary for hypotensive shock. Antibiotic regimen was started for sepsis and progressive cough. The patient recovered fully from all the symptoms.
Discussion
This case illustrates the potential for cardiomyopathy with rituximab, particularly in patients with chronic lymphocytic leukemia, and its proposed mechanisms and treatment. The expanding utility of rituximab impels us to increase monitoring and awareness of this serious cardiovascular adverse effect.
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