Cryptogenic Stroke and Valvular Strands

Area of Science:

• Cardiology
• Neurology
• Vascular Medicine

Background:

• Ischemic stroke classification relies on etiology, with cryptogenic stroke requiring consideration of rarer causes.
• Lambl's excrescences, a potential cause of stroke, are often underdiagnosed as they require transesophageal echocardiography (TEE) for detection.
• Current diagnostic protocols may delay the identification of less common stroke etiologies, leading to adverse outcomes.

Purpose of the Study:

• To highlight Lambl's excrescences as an underdiagnosed cause of cryptogenic stroke.
• To emphasize the importance of TEE in diagnosing structural valve abnormalities.
• To illustrate the benefits of appropriate anticoagulation therapy in managing stroke secondary to Lambl's excrescences.

Main Methods:

• Case report of a 63-year-old male with recurrent ischemic cerebral events.
• Diagnosis of Lambl's excrescences via transesophageal echocardiography (TEE) of the aortic valve.
• Modification of antiplatelet therapy to anticoagulant therapy.

Main Results:

• Transesophageal echocardiography revealed Lambl's excrescences on the aortic valve.
• Switching from antiplatelet to anticoagulant therapy resulted in the patient remaining asymptomatic for 3 years.
• Early diagnosis and management prevented further vascular events.

Conclusions:

• Lambl's excrescences are an underdiagnosed cause of embolic stroke.
• Timely diagnosis and management of this structural valve disease are crucial to prevent severe complications.
• Standardized protocols for cryptogenic stroke could improve the identification of rare causes and prevent recurrent events.