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We read with interest the study by Maeder-Ingvar et al.¹ They reported 195 cases of pure monoparesis, with 42 (22%) cases involving the face, 123 (63%) cases involving an arm, and 30 (15%) cases involving a leg, from the Lausanne Stroke Registry (1979 through 2000). No correlation between stroke type and etiology was found. Echocardiography was performed in only 37% of the patients in this group; cardioembolic risk factors were found in 5% and patent foramen ovale in 4%.

We believe that pure monoparesis is an important stroke syndrome that could be easily misdiagnosed and confused with other causes of weakness. We reported 35 cases of distal arm monoparesis progressively collected from 1997 to 2002.² We found that 16 (46%) of 35 cases had a cardioembolic source determined clinically or by echocardiography. In our study group, 26 (74%) of 35 patients had echocardiography performed.

Because in almost half of the . . . [Full Text of this Article]

AUTHOR INFORMATION

Yevgeniy Isayev, MD; John Castaldo, MD; Alex Rae-Grant, MD; Peter Barbour, MD

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