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|Title:||Botulinum a Toxin Treatment for Blepharospasm and Meige Syndrome : Report of 100 Patients|
|Citation:||Journal of the Medical Association of Thailand. Vol.80, No.1 (1997)|
|Abstract:||One hundred patients (9.09 per cent) with blepharospasm from a grand total of 1,100 patients (at the Movement Disorders Clinic at Siriraj Hospital) who had been treated with botulinum A toxin (BTX-A) injection between 1989 and 1996 were analysed. The 100 patients comprised 65 females and 35 males with a female to male ratio of 1.86:1. Their mean age was 53.3 years (S.D. 12.03). Sixty patients had idiopathic blepharospasm, 31 patients were diagnosed with Meige syndrome (blepharospasm plus oromandibular dystonia) and nine patients with segmental dystonia (Meige syndrome plus cervical dystonia). The mean duration of suffering was 39.22 months (S.D. 44.83). Each patient received 30-50 IU of BTX-A injections according to the standard Siriraj injection pattern. Nine patients were lost to follow-up. The results of BTX-A injection were classified as: excellent result (an improvement of more than 75 per cent) in 83.51 per cent; a good response (an improvement of 50-75 per cent) in 13.19 per cent; a moderate response (an improvement of 25-50 per cent) in 2.20 per cent; and minimal or no response in 1.10 per cent. The complications of BTX-A injection were transient minimal ptosis (9.89 per cent), transient double vision (1.10 per cent) and excessive lacrimation (1.10 per cent). The efficacy of BTX-A injection lasted one to two months in 1.10 per cent, two to three months in 23.08 per cent, three to four months in 45.05 per cent, four to five months in 16.48 per cent, five to six months in 4.40 per cent and more than six months in 9.89 per cent. Botulinum A toxin injection is a simple and effective out-patient treatment for patients with blepharospasm, causing no systemic side-effects and minor transient local complications. The only drawback of this treatment is its high cost (100 IU cost 300 US dollars).|
|Appears in Collections:||Scopus 1991-2000|
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