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Indian J Ophthalmol. 2019 Jul;67(7):1133-1136. doi: 10.4103/ijo.IJO_1267_18.

Botulinum toxin A in the early treatment of sixth nerve palsy in type 2 diabetes.

Author information

1
Department of Paediatric Ophthalmology, Aravind Eye Hospital, Coimbatore, Tamil Nadu, India.

Abstract

Purpose:

Our study aims at evaluating the efficacy and safety of botulinum toxin A in the early treatment of sixth nerve palsy in type 2 diabetic patients.

Methods:

This study is a prospective and interventional clinical case series of patients presenting with acute onset of sixth cranial nerve palsy, who received injection botulinum toxin A.

Results:

Thirty-one cases were included in the study. 58% of the study subjects had incomplete palsy at presentation (abduction deficit -1 to -3) and 42% had complete palsy (-4 and -5). The median dosage of injection was 5 U (range 3--6 U). The median follow-up period is 2 months. The P value shows that there is statistically significant improvement in head turn, ocular deviation in primary position, and improvement in abduction between baseline and 1 week (P-value <0.001), 1 month (P-value <0.001) and 2 month (P-value <0.001) postinjection follow-up visits. 90.3% of patients had full resolution of symptoms in the last follow-up visit. 83.9% of patients were successfully treated.

Conclusion:

Early injection of botulinum toxin A in select patients with acquired sixth nerve palsy due to diabetes is a safe and efficient treatment option in alleviating symptoms, restoring function and quality of life and reducing need for surgical interventions in future.

KEYWORDS:

Botulinum toxin A; diabetic mononeuropathy; sixth cranial nerve palsy

PMID:
31238428
DOI:
10.4103/ijo.IJO_1267_18
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