Although the observational reports collectively support its efficacy, more substantial controlled studies are essential as existing details clearly show variable efficacy for different noted ailments. Further, the claimed effectiveness was mostly short-expression. The applying of water-cooled radiofrequency ablation has less info, with one randomized controlled demo by Hacker et al. https://www.sgvascularctr.com/navigating-pain-relief-radiofrequency-ablation-in-singapore/