Systematic Evaluation on the Use of Acellular Dermis Matrix Graft in Prevention Frey Syndrome After Parotid Neoplasm Surgery

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Abstract

Objective

To study the effectiveness and safety of acellular dermal matrix (ADM) graft in preventing Frey syndrome after parotid neoplasm surgery, we reviewed foreign reported clinical randomized controlled trials systematically. Based on this review, we aimed to assess the effectiveness of ADM graft and provide reliable evidence for clinical application.

Methods

We reviewed foreign-language databases, such as MEDLINE, applied meta-analysis with Rev.Man 5, and drew forest plots with odds ratio as effect size.

Results

Three trials were recruited. The morbidity of Frey syndrome in experimental group was significantly lower than that in control on both subjective index and objective index, with odds ratios at 0.03 (95% confidence interval, 0.01–0.11) and 0.03 (95% confidence interval, 0.01–0.12), respectively. There was no significant difference between ADM group and blank control in total adverse reactions and complication incidence, whereas results differed for a kind of specific adverse reaction or complication.

Conclusions

Based on existing research data, implanting ADM could effectively prevent Frey syndrome, and its poor prognosis effects did not significantly increase, which suggested that its total safety was reliable. Nevertheless, further investigations about the difference on a specific adverse reaction or complication were still needed.

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