Annals of Indian Academy of Neurology
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LETTER TO THE EDITOR
Year : 2010  |  Volume : 13  |  Issue : 2  |  Page : 152-153
 

Author's reply


1 Department of Neurology, PGIMER, Chandigarh, India
2 Alchemist Hospital, Panchkula, India

Date of Web Publication25-Jun-2010

Correspondence Address:
Monica Saini
Department of Neurology, PGIMER, Chandigarh
India
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PMID: 20814505

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How to cite this article:
Saini M, Khurana D. Author's reply. Ann Indian Acad Neurol 2010;13:152-3

How to cite this URL:
Saini M, Khurana D. Author's reply. Ann Indian Acad Neurol [serial online] 2010 [cited 2014 Oct 21];13:152-3. Available from: http://www.annalsofian.org/text.asp?2010/13/2/152/64647


Sir,

We thank Luis I. Gonzalez-Granado for his comments [1] regarding our case report. [2] Chronic relapsing optic neuropathy (CRION) is a recently described disorder, and there is a paucity of systematic studies evaluating the type/duration of immunosuppressive therapy required to maintain remission and preserve vision. Long-term steroids certainly have well-known adverse effects. Deflazacort is reported to cause less metabolic dysfunction in comparison to the usual oral steroids and is a safer option in patients requiring long-term steroids. [3] The adverse effects of oral steroids are known to be dose related. [4] In our patient, we were successfully able to taper steroids to a very low dose (1 mg of deflazacort on alternate days), following which steroids have presently been discontinued. Patients of CRION may, however, require long-term moderate to high doses of steroids in order to mantain remission. CRION is diagnosed once demyelinating disorders and autoimmune diseases have been excluded. Its steroid resposiveness argues in favor of a localized immune pathophysiology. Corticosteroid-sparing immunosupressive agents and intravenous immunoglobulins (IvIg) have been reported to allow decrease in dose, and in some cases, discontinuation of oral steroids, in patients with corticosteroid-dependent autoimmune optic neuropathy and optic neuritis not associated with demyelinating disease. [5],[6] Based on these observations, we agree that in patients of CRION, steroid-sparing agents including IvIg should be considered in those becoming steroid dependent.

 
   References Top

1.Gonzalez-Granado LI. Immunoglobulins as steroid sparing agents in chronic relapsing inflammatory optic neuropathy. Ann Indian Acad Neurol 2010;13:153.  Back to cited text no. 1      
2.Saini M, Khurana D. Chronic relapsing inflammatory optic neuropathy. Ann Indian Acad Neurol 2010;13:61-3.  Back to cited text no. 2  [PUBMED]  Medknow Journal  
3.Nayak S, Acharjya B. Deflazacort versus other glucocorticoids: a comparison. Indian J Dermatol 2008;53:167-70.  Back to cited text no. 3  [PUBMED]  Medknow Journal  
4.Walsh LJ, Wong CA, Oborne J, Cooper S, Lewis SA, Pringle M, et al. Adverse effects of oral corticosteroids in relation to dose in patients with lung disease. Thorax 2001;56:279-84.  Back to cited text no. 4  [PUBMED]  [FULLTEXT]  
5.Stiebel-Kalish H, Hammel N, van Everdingen J, Huna-Baron R, Lee AG. Intravenous immunoglobulin in recurrent-relapsing inflammatory optic neuropathy. Can J Ophthalmol 2010;45:71-5.  Back to cited text no. 5  [PUBMED]  [FULLTEXT]  
6.Myers TD, Smith JR, Wertheim MS, Egan RA, Shults WT, Rosenbaum JT. Use of corticosteroid sparing systemic immunosuppression for treatment of corticosteroid dependent optic neuritis not associated with demyelinating disease. Br J Ophthalmol 2004;88:673-80.  Back to cited text no. 6  [PUBMED]  [FULLTEXT]  




 

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