ESPASMO HEMIFACIAL PDF

Ehni G, Woltman HW. Hemifacial spasm: review of one hundred and six cases. Arch Neurol Psychiatry, , Arq Neuropsiquiatr, 55 3B ,

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It is usually treated with botulinum toxin BTX. The classically described unilateral application of BTX results in an asymmetry similar to facial paralysis. The aim of this study was to standardize the treatment of HFS by applying BTX bilaterally to prevent the occurrence of iatrogenic facial asymmetry. On reassessment 15 days later, a complementary dose was administered to patients who exhibited some residual degree of spasm or asymmetry with the aim of determining the dose required to achieve satisfactory spasm control without causing facial asymmetry.

There was a significant difference between the doses applied to the zygomaticus, orbicularis oris, and orbicular oculi muscles on each hemiface. In general, application should be performed at a ratio of In the remaining muscles, the same dose should be administered on both sides and an additional dose can be applied 15 days later if some degree of spasm is present.

The pretarsal region of the orbicularis oculi muscle is the only area for which BTX application on the healthy side is unnecessary. All scientific articles published at www. Previous Article Next Article. Figure 1. Standardized points of application of botulinum toxin for the treatment of hemifacial spasm to avoid iatrogenic asymmetry. Pretarsal sites were added to the original protocol, seen in red. Figure 2. A year-old patient with hemifacial spasm on the left side for 9 years before and after the application of botulinum toxin.

The sites of application and dose used at each site are shown for the resting face upper photographs and smiling face lower photographs. Note that after application, the resting face shows relaxation of the orbicularis oculi and softening of the left nasolabial fold, in addition to improved smile quality after treatment.

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espasmo hemifacial

It is usually treated with botulinum toxin BTX. The classically described unilateral application of BTX results in an asymmetry similar to facial paralysis. The aim of this study was to standardize the treatment of HFS by applying BTX bilaterally to prevent the occurrence of iatrogenic facial asymmetry. On reassessment 15 days later, a complementary dose was administered to patients who exhibited some residual degree of spasm or asymmetry with the aim of determining the dose required to achieve satisfactory spasm control without causing facial asymmetry. There was a significant difference between the doses applied to the zygomaticus, orbicularis oris, and orbicular oculi muscles on each hemiface.

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Espasmo Hemifacial

Objective : To evaluate botulinum toxin A therapy in patients with hemifacial spasm attended in a Neurology Service in Cuba. Patients and methods : 35 patients with hemifacial spasm were treated with botulinum toxin A during 15 months. Some parameters of botulinum toxin were collected including doses, latency, maximum duration and total duration of improvement. Clinical data were determined, such as functional status, gravity, frequency and adverse events. Results : There was a high percentage of female with hemifacial spasm. Most patients showed a latency of 48 hs, maximum duration until 60 days and total duration of improvement of 3 months.

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2006, NĂșmero 4

Venegas E. Hemiespasmo facial. Tomo II. Alteraciones del movimiento no parkinsonianas. Santiago,

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