Radiofrequency (RF) of sensory branches innervating the knee joint is an alternative
intervention for patients with refractory knee pain to conventional therapy and invasive
procedures. Herein we report performing pulsed RF targeting the area between the popliteal
artery and capsule of the knee (R-PACK) in two patients with persistent knee pain. A 25-year-
old female who had a previous history of total knee arthroplasty after a traumatic accident,
presented to our pain clinic suffering from severe knee pain localised in the left posterior …

Background and Aims Chronic posterior knee pain is a common patient complaint that
patients seek medical attention from their physicians. Although first line treatments including
physical therapy, oral medications or steroid injections are often efficacious, they could
provide temporary benefits. Ultrasound-guided infiltration of the interspace between the
popliteal artery and capsule of the knee (iPACK) block is suggested for controlling posterior
knee pain. We present two patients of posterior knee pain successfully managed with a …