What does this research mean for the field?

While both echocardiography and angiocardiography can accurately detect large clots in the left atrial body, echocardiography cannot detect clots in the left atrial appendage, which requires transseptal left atriography for definitive diagnosis. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

January 1, 1976Open Access

Echocardiography and Angiocardiography for Detection of Left Atrial Thrombus

AFA FuruseTokyo University of Foreign Studies AMAkira MizunoEarth and Space Research HIHiroshi InoueKanazawa University

Structured PICO

How does echocardiography compare to angiocardiography for the detection of left atrial thrombus in patients with mitral stenosis?

Population

Patients with mitral stenosis

Intervention

Echocardiography

Comparator

Angiocardiography (pulmonary arteriography and transseptal left atriography)

Outcome

Detection of left atrial clotsurrogate

While echocardiography can detect large clots in the left atrial body, transseptal left atriography is required for definite diagnosis of clots in the left atrial appendage in patients with mitral stenosis.

Abstract

Diagnostic capabilities for detection of the left atrial clot in patients with mitral stenosis were compared between echocardiography and angiocardiography. Large clots in the left atrial body were correctly diagnosed either by echocardiography or by angiocardiography. Clots in the left atrial appendage were not disclosed by echocardiography. Left atrial visualization with pulmonary arteriography offers only possible diagnosis of the clot in the appendage. Definite diagnosis of the clot in this location requires transseptal left atriography.

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