Research recommendation(s) from an individual piece of guidance Guidance: Arthroscopic trochleoplasty for patellar instability Date issued: 23 January 2014 Research recommendations coming out of this guidance NICE encourages further research into arthroscopic trochleoplasty for patellar instability, including publication of consecutive patient series. Patient selection should be described in detail. Reported outcomes should include functional and quality‑of‑life measures, as well as reoperation rates.