Journal
CLINICAL CASE REPORTS
Volume 10, Issue 9, Pages -Publisher
WILEY
DOI: 10.1002/ccr3.6185
Keywords
COVID-19; ECMO; fulminant myocarditis; impella; mechanical circulatory support (MCS)
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This case report describes a 49-year-old man who developed myocarditis as a complication of COVID-19 and was successfully treated with mechanical circulatory support using Impella 5.0. Despite chest pain, abnormal ECG findings, and elevated troponin levels, prompt diagnosis and treatment led to a favorable outcome with the patient recovering and being discharged without heart failure symptoms.
A 49-year-old man, who had not been vaccinated against COVID-19 visited the hospital for fever and cough, and a PCR test for COVID-19 was positive on the Day X. Initially, there was no decrease in oxygen saturation and the patient was under observation as a mild case without medication. Five days after the onset (Day X + 5), chest pain appeared. Electrocardiogram showed widespread ST-segment elevation, and blood tests showed high levels of troponin I. However, given that there was no stenotic lesion on coronary computed tomography, myocarditis was suspected, and he was transferred to our hospital on the Day X + 6. We started treatment with lemdesivir and dexamethasone. On the Day X + 7, the patient developed decreased left ventricular ejection fraction, hypotension, and hyperlactatemia. We decided that mechanical circulatory support was necessary and an Impella 5.0 was inserted under ventilator management. The patient was successfully weaned from the Impella 5.0 on the Day X + 17, was transferred to the general ward on the Day X + 24, continued rehabilitation, and was discharged home on the Day X + 39 with no heart failure symptoms. In this case, we performed daily bedside echocardiography and chose the Impella 5.0 instead of extra corporeal membrane oxygenation (ECMO) because there were no findings of severe pneumonia or right heart failure. The Impella 5.0 device was inserted via an axillary artery approach, given that it provides more assisted flow than the Impella CP inserted through the inguinal route. Furthermore, early rehabilitation was possible due to the lack of restriction of the lower body.
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