Motor-Sparing Neural Ablation with Modified Techniques for Knee Pain: Case Series on Knee Osteoarthritis and Updated Review of the Underlying Anatomy and Available Techniques

Table 2

Patient demographics.

Patient no.	1R	2R	3A	4A	5R
Age (year)	78	78	79	71	62
Sex	Male	Male	Female	Female	Male
Preintervention ambulatory status	Walk unaided with gait alterations	Walk unaided with gait alterations	Wheelchair outdoors; walk with cane indoors	Walk with sticks outdoors and indoors	Wheelchair outdoors; walk with cane indoors
KOA grading	Grade 3	Grade 3	Grade 4	Grade 4	Grade 4
Knee side	Left	Right	Right	Right	Left
Pain duration (years)	6	5	10	4	9
Denervation modality	Thermal RF ablation	Thermal RF ablation	Alcohol neurolysis	Alcohol neurolysis	Thermal RF ablation

KOA: knee osteoarthritis; RF: radiofrequency.