Related Experiment Video
Updated: Jun 27, 2026

Chronic Implantation of Multiple Flexible Polymer Electrode Arrays
Published on: October 4, 2019
Augmentation of the malar area with polyacrylamide hydrogel: experience with more than 1300 patients
1drlari@hotmail.com
Background:
Polyacrylamide hydrogel (PAHG) is widely used in biomedical research and industry and has been used as a soft tissue filler in some countries for more than a decade.
Objective:
The author evaluated the results of malar area augmentation with PAHG.
Methods:
Results from 1306 patients who were treated with PAHG for soft tissue augmentation of the malar area from 2000 to 2006 were retrospectively assessed. Follow-up ranged from 3 months to 6 years.
Results:
Patients were initially satisfied in 95% of cases (1241 patients). In 5% of cases (65 patients), patients were not satisfied with the result because the injected volume was insufficient. Adverse events occurred in 8.4% of cases (111 patients) with lumps, gel displacement, and pain being the most frequent complications.
Conclusions:
In our experience, PAHG has proven to be a safe material for achieving facial soft tissue augmentation with minimal side effects. A follow-up study is necessary to evaluate longer-term results and possible side effects of augmentation with PAHG.
