OATS Procedure of Knee

OSTEOCHONDRAL AUTOGRAFT TRANSPLANT
REHABILITATION PROTOCOL

WEIGHT
BEARING
BRACE ROM THERAPEUTIC
EXERCISES
PHASE I
0 - 6 weeks
Non-weight
bearing
0 -1 week: locked in
full extension (removed
for CPM and exercises)
2 -4 weeks: Gradually
open brace 20° in-
crements as quad control
is gained - discontinue use
of brace when quads can
control SLR without an
extension lag
0 - 6 weeks:
CPM: use for
6-8 hours per
day - begin at
0-40°, 1
cycle/minute -
increasing
5-10° daily per
patient comfort -
patient should
gain 100° by
week 6
PROM/AAROM to tolerance, patella and
tibiofibular joint mobs (grades I & II),
stationary bike for ROM, quad, hamstring, adduction, and gluteal
sets, hamstring stretches, hip
strengthening, SLR, ankle pumps
PHASE II
6 - 8 weeks
Progress to
full weight
bearing
None Gradually
increase flexion-
patient should
obtain 130° of
flexion

Gait training, scar and patellar mobs,
quad/hamstring strengthening, begin
closed chain activities (wall sits, shuttle,
mini-squats, toe raises), begin unilateral
stance activities

PHASE III
8 weeks -
12 months
Full with a
normalized
gait pattern
None Full and
pain-free
Advance activities in phase II