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Radiofrequency in the treatment of primary hyperhidrosis: systematic review and meta-analysis

Purpose To evaluate, via a systematic review, the effectiveness of radiofrequency (RF) for treatment of primary hyperhidrosis (PH). Methods Experimental or observational studies were included where RF treatment (ablation or microneedling) was performed, comparing the periods before and after treatme...

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Bibliographic Details
Published in:Clinical autonomic research 2020-04, Vol.30 (2), p.111-120
Main Authors: Hasimoto, Fabio Nishida, Cataneo, Daniele Cristina, Hasimoto, Erica Nishida, Ximenes, Aglaia Moreira Garcia, Cataneo, Antônio José Maria
Format: Article
Language:English
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Summary:Purpose To evaluate, via a systematic review, the effectiveness of radiofrequency (RF) for treatment of primary hyperhidrosis (PH). Methods Experimental or observational studies were included where RF treatment (ablation or microneedling) was performed, comparing the periods before and after treatment. Results Nine studies were considered eligible and included for analysis. In seven of nine studies, patients were subjected to RF only, and in two of nine studies RF was compared to video-assisted thoracoscopic sympathectomy (VATS). There was a reduction in the severity of PH in microneedling (three studies, mean difference −1.24, 95% CI −1.44 to −1.03). In a study that performed sympathetic RF ablation there was a greater reduction in PH severity compared to studies that performed microneedling (−2.42, 95% CI −2.55 to −2.29). There was improvement in the quality of life (QoL) after sympathetic RF ablation (two studies, mean difference −15.92, 95% CI −17.61 to −14.24). Regarding the microneedling procedure, there was a lower improvement in QoL, (two studies, −9.0, 95% CI −9.15 to −8.85). One study comparing sympathetic RF ablation with VATS applied the QoL questionnaire, and the VATS showed superior results. One of the two studies comparing compensatory sweating in RF ablation with VATS showed that compensatory hyperhidrosis was higher in VATS; however, the other study did not observe this difference. One study compared the recurrence of symptoms between VATS and RF ablation; symptom recurrence was shown to be higher in RF. Conclusions RF is effective for PH treatment, with superior results obtained with sympathetic ablation compared to microneedling.
ISSN:0959-9851
1619-1560
DOI:10.1007/s10286-019-00640-w