Bao FF, Li QS, Zhang ZY, Xiang MH. Treatment Effects of Botulinum Toxin Injection and Acupuncture on Blepharospasm Assessed by the Change in Lower
Eyelid Tension.
Curr Eye Res 2019;
44:679-683. [PMID:
30724635 DOI:
10.1080/02713683.2019.1578379]
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Abstract
Objective: To investigate the treatment effects of botulinum toxin-A (BTA) injection and acupuncture on blepharospasm (BP) evaluated by the change in lower eyelid tension (LET). Methods: A series of 30 patients (male: 8, female: 22) aged between 37 and 83 years (63.80 ± 10.96 yrs) who met the eligibility criteria of BP were recruited in this study, who were randomly assigned to BTA injection group (BTA group, n = 15) and acupuncture treatment group (Acupuncture group, n = 15). BTA injections were administered to the patients in BTA group while patients in acupuncture group received the acupuncture treatment. The LET was measured by a tensiometer in both groups at baseline and at post-treatment. Results: A significant decrease in LETs over 8 weeks was found in acupuncture group (812.76 ± 193.95 Pa at baseline, 549.69 ± 150.04 Pa at 4 weeks, and 510.96 ± 150.66 Pa at 8weeks, respectively; F = 31.127, p << 0.001). There was a significant decrease in LET from 858.61 ± 190.54 Pa at baseline to 414.45 ± 63.38 Pa at 2 weeks after treatment (Z = -4.542, p << 0.01) in BTA group. At the endpoint of the study, a significant difference in LET was found between the acupuncture group (301.80 ± 181.77 Pa) and the BTA group (444.16 ± 193.44 Pa) (t = -2.077, p = 0.047). Conclusions: BP patients have an increased LET. Both BTA and acupuncture are effective in decreasing the LET. Close monitoring of LET holds promise in planning the treatment strategy for Blepharospasm.
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