Abstract

Objective To investigate the effects of transplantation with autologous fat granules to cure unilateral vocal cord paralysis. Methods In this study we treated 36 cases of unilateral vocal cord paralysis with improved autologous fat grafting technique.Each case was treated 1-2 times and the interval period 3-6 months.The result was based on comparing the size of fissure glottis,the surface area of paralyzed vocal cord and patients self evaluation. Results Long time follow up showed that fat graft can be alive in the recipient site for long time after 1-2 times autologous fat injection.More than 75.00% patients were satisfactory with the curative effect while less than 11 11% patients were unsatisfactory. Conclusions Autologous fat grafting technique is an effective and safe treatment for unilateral vocal cord paralysis. Key words: Autologous fat graft; Fat granule injection grafting; Vocalcord paralysis

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