Key result
Over a 7-year follow-up of a patient with AL cardiac amyloidosis, progressive amyloid deposition led to the conversion of sinus rhythm to atrial tachycardia, worsening intraventricular conduction block, and ultimately atrial stand-still.
Why the study?
Although electrocardiography is useful for the diagnosis and management of AL cardiac amyloidosis, there are few reports on long-term follow-up of electrocardiographic changes in affected patients.
Population
One 62-year-old woman with AL cardiac amyloidosis
Design
Case report
Authors
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May support serial ECG surveillance in AL amyloidosis; leaves open generalizability and need for prospective confirmation.
Case Report (n=1)
No
Long-term follow-up of AL cardiac amyloidosis reveals progressive conduction system disorders and atrial arrhythmias, culminating in atrial stand-still.
Ohara et al. (2021) conducted a case report in Light-Chain Cardiac Amyloidosis (n=1). Long-term electrocardiographic follow-up was evaluated on Electrocardiographic changes over time. Over a 7-year follow-up of a patient with AL cardiac amyloidosis, progressive amyloid deposition led to the conversion of sinus rhythm to atrial tachycardia, worsening intraventricular conduction block, and ultimately atrial stand-still.
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