Table III.

Clinical information on aseptic revision surgery patients.

Patient	Age (at time of revision)	Comorbidities	Time from primary to revision (years and months)	Diagnosis/reason for revision	Clinical history	Intraoperative findings	Review date (Years and months post-revision)	Outcome
1	80	Hypertension, ischaemic heart disease, asthma	15 Y 0 M	Osteolysis, loose worn components	Primary 2003, ROM 0 to 110 1007, identified failing R TKA 2015 with loosening of tibial and femoral components	Loose tibial base-plate	2 Y 2 M	Stable knee, 0 to 100 ROM, no extensor lag
2	80	Hypothyroidism	4 Y 10 M	Instability	Failing, incompetent MCL	Nil significant	1 Y 6 M	0 to 110, stable, no extensor lag
3	71	Hypertension	17 Y 0 M	Loose worn components	Instability and pain developed ∼ 16 years post primary	Significant bearing surface wear and loose components very easy to remove	1 Y 9 M	0 to 110, no extensor lag
4	80	Type 2 diabetes, ischaemic heart disease, hypertension	2 Y 9 M	Instability	Failing, incompetent MCL	Nil significant	2 Y 1 M	0 to 100, 5° extensor lag
5	58	Gout, DVT	12 Y 2 M	Instability, loose worn components	Primary 2007, presented with instability in 2017, revised 2017	Worn poly, loose components	1 Y 6 M	0 to 105, no extensor lag

DVT, deep vein thrombosis; MCL, medial collateral ligament; ROM, range of movement; TKA, total knee arthroplasty.