1996
DOI: 10.1016/s0161-6420(96)30644-1
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The Use of Botulinum A Toxin to Ameliorate Facial Kinetic Frown Lines

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Cited by 60 publications
(23 citation statements)
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“…The beneficial effect of botulinum toxin A on glabellar hyperfunctional lines has been reported to last from 4 to 6 months 56 8The patients in this study noted a similar prolonged benefit. This study was designed primarily to examine the effect of a single injection of botulinum toxin A into the glabellar muscles and did not examine the effect of repeated injections, although each patient was asked their opinion whether they needed another injection.…”
Section: Discussionsupporting
confidence: 67%
“…The beneficial effect of botulinum toxin A on glabellar hyperfunctional lines has been reported to last from 4 to 6 months 56 8The patients in this study noted a similar prolonged benefit. This study was designed primarily to examine the effect of a single injection of botulinum toxin A into the glabellar muscles and did not examine the effect of repeated injections, although each patient was asked their opinion whether they needed another injection.…”
Section: Discussionsupporting
confidence: 67%
“…Nevertheless, patient satisfaction is generally high, and it is likely that many patients will continue treatment for several years. 2,[12][13][14][15] Although controlled studies of this duration are impractical, the evaluation of facial lines in identical twins who have had different exposures to Botox can offer insight into the long-term benefits of Botox treatment. This report evaluates the presence of hyperfunctional facial lines in identical twin sisters, one of whom had regular Botox treatment in the forehead and glabellar regions over many years and one of whom did not.…”
Section: Yperfunctional Linesmentioning
confidence: 99%
“…La incidencia publicada con anterioridad relativa a la presencia de blefaroptosis asociada al tratamiento de la zona glabelar mediante toxina botulínica, varía ampliamente, desde un 0% hasta un 20%. 8,11,[15][16][17][18][19][20][21][22][23] La explicació n más probable respecto a este margen tan amplio, así como a los bajos índices presentes en este estudio y en otros publicados recientemente, es que el riesgo de presentació n de este efecto indeseable depende de la técnica aplicada. A medida que los profesionales médicos vayan familiarizándose con la utilizació n de la toxina botulínica para este tipo de indicaciones y las té-cnicas aplicadas sean cada vez más refinadas, se supone que descenderá la aparició n de estos efectos indeseables.…”
Section: Seguridadunclassified