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May 2006

Pure Monoparesis: What Makes It Different—Reply

Arch Neurol. 2006;63(5):786. doi:10.1001/archneur.63.5.786-b

In reply

We were very interested in the results from Castaldo and colleagues, who reported a cardioembolic etiology for the distal arm monoparesis they found in 16 of 35 cases. In our study of monoparesis (195 cases where 123 cases with monoparesis involved an arm), we could not find any particular stroke etiology. We analyzed the 3 subgroups in combination as well as separately. Differences in the selection of the patients and the investigation in the acute phase may play an essential role. As was stated in our article, only 37% of the patients had a positive cardiac history or clinical findings followed by an evaluation of echocardiography as compared with 74% in the Castaldo et al study.

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