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NEUROLOGY 2005;64:1471-1475
© 2005 American Academy of Neurology
Brief Communications

Clinical and electrophysiologic correlates of IVIg responsiveness in CIDP

M. Iijima, MD, M. Yamamoto, MD, M. Hirayama, MD, F. Tanaka, MD, M. Katsuno, MD, K. Mori, MD, H. Koike, MD, N. Hattori, MD, K. Arimura, MD, M. Nakagawa, MD, H. Yoshikawa, MD, K. Hayasaka, MD, O. Onodera, MD, M. Baba, MD, H. Yasuda, MD, T. Saito, MD, M. Nakazato, MD, K. Nakashima, MD, J. Kira, MD, R. Kaji, MD, N. Oka, MD and G. Sobue, MD

From the Department of Neurology (Drs. Iijima, Yamamoto, Hirayama, Tanaka, Katsuno, Mori, Koike, Hattori, and Sobue), Nagoya University Graduate School of Medicine, Third Department of Internal Medicine (Dr. Arimura), Kagoshima University School of Medicine, Department of Neurology (Dr. Nakagawa), Kyoto Prefectural University of Medicine, Department of Neurology (Dr. Yoshikawa), Osaka Kosei-Nenkin Hospital, Department of Pediatrics (Dr. Hayasaka), Yamagata University School of Medicine, Department of Neurology (Dr. Onodera), Niigata University Graduate School of Medicine Dental Sciences, Department of Neurology (Dr. Baba), Hirosaki University Internal Medicine, Third Department of Internal Medicine (Dr. Yasuda), Shiga University of Medical Science, Department of Internal Medicine (Dr. Saito), Kitasato University School of Medicine, Third Department of Internal Medicine (Dr. Nakazato), Miyazaki University of Medical Science, Department of Neurology (Dr. Nakashima), Tottori University Faculty of Medicine, Department of Neurology (Dr. Kira), Kyushu University Graduate School of Medicine, Department of Clinical Neuroscience (Dr. Kaji), Graduate School of Medicine, University of Tokushima School of Medicine, and Department of Rehabilitation (Dr. Oka), National Minami-Kyoto Hospital, Japan.

Address correspondence and reprint requests to Dr. G. Sobue, Department of Neurology, Nagoya University Graduate School of Medicine, Tsurumai, Nagoya 466-8550, Japan; e-mail: sobueg{at}med.nagoya-u.ac.jp

To identify clinical and electrophysiologic features related to IV immunoglobulin (IVIg) responsiveness in chronic inflammatory demyelinating polyneuropathy (CIDP), the authors conducted a multicenter study on 312 patients with CIDP (199 responders and 113 nonresponders). Muscle atrophy and decreased compound muscle action potential were pronounced in nonresponders of IVIg. Male gender, longer disease duration, and slow progression of symptoms were also associated with IVIg unresponsiveness. Features suggesting axonal dysfunction in peripheral nerves indicated IVIg unresponsiveness in CIDP.

Additional material related to this article can be found on the Neurology Web site. Go to www.neurology.org and scroll down the Table of Contents for the April 26 issue to find the title link for this article.

Received July 30, 2004. Accepted in final form January 5, 2005.




This article has been cited by other articles:


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M Iijima, H Koike, N Hattori, A Tamakoshi, M Katsuno, F Tanaka, M Yamamoto, K Arimura, G Sobue, and the Refractory Peripheral Neuropathy Study Group o
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[Abstract] [Full Text] [PDF]


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