A prospective clinical study using standardized measurements for dissection was undertaken to determine the effectiveness of an extended superficial musculoaponeurotic system (SMAS) procedure in correcting platysma bands. Favorable results were obtained in 77 consecutive patients without the risk of midline deformities. All patients were followed for one year; some have now been followed for 2 1/2 years. The maxi-SMAS operation has a low complication rate and there was no nerve damage in this series.
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McKinney et al. (1984) studied this question.