Table 1.

Preoperative and intraoperative patient data.

Patient	Age	Sex	BMI	Date of primary surgery	Side	Primary implants	Prior revisions	Symptoms	Preoperative labs/aspiration	Date of cementless revision surgery	Intraoperative findings	Revision implants
1	72	Male	26.7	6/2006	Right	Stryker Triathlon	8/2006: Revision to Depuy PFC Sigma PS 3/2009: Liner exchange	Pain, chronic effusions, instability	ESR: 1 CRP: 2.9 Cell count: 420 PMN: 24%	7/2014	None	Biomet Vanguard custom titanium alloy, hydroxyapatite coated, plasma sprayed
2	69	Female	39.5	12/2017	Right	Aesculap Vega PS	None	Pain, chronic effusions, arthrofibrosis	ESR: 13 CRP: 8.39a Cell count: 422 PMN: 57%	5/2019	Femoral component loosening	Biomet Vanguard custom titanium alloy, porous coated, ion bombarded
3	71	Male	32	4/2009	Left	Biomet Vanguard PS	5/2010: Liner exchange	Pain, chronic effusions, arthrofibrosis	ESR: 5 CRP: 2.9 Cell count: 33 PMN: 20%	7/2011	None	Depuy PFC Sigma TC3 custom porous coated
4	59	Female	26.3	11/2009	Left	Stryker Triathlon PS	None	Pain, chronic effusions	ESR: 4 CRP: 2.9 Cell count: 1031 PMN: 65%	4/2012	Instability	Biomet Vanguard custom titanium alloy, porous coated, plasma sprayed
5	68	Male	26.2	10/2001	Right	Depuy PFC Sigma PS	2/2012: Liner exchange 11/2013: Revision to Depuy PFC Sigma	Pain, chronic effusions, instability	ESR: 4 CRP: 2.9 Cell count: 436 PMN: 47%	11/2019	Femoral component loosening	Biomet Vanguard custom titanium alloy, porous coated, ion bombarded
6	71	Female	32	7/2012	Left	Smith & Nephew Legion CR (Oxinium)	None	Pain, instability	ESR: 5 CRP: 2.9 Cell count: 240 PMN: 8%	2/2015	None	Biomet Vanguard custom titanium alloy, hydroxyapatite coated, ion bombarded
7A	65	Male	24	6/2014	Right	Depuy Attune PS	None	Pain, arthrofibrosis	ESR: 2 CRP: 2.9 Cell count: 477 PMN: 19%	9/2018	None	Biomet Vanguard custom titanium alloy, porous coated, ion bombarded
7B	65	Male	24	9/2014	Left	Depuy Attune PS	None	Pain, arthrofibrosis	ESR: 2 CRP: 2.9 Cell count: 268 PMN: 13%	10/2019	Patellar component loosening, instability	Biomet Vanguard custom titanium alloy, porous coated, ion bombarded

BMI, body mass index; CRP, C-reactive protein; PMN, polymorphonuclear; ESR, erythrocyte sedimentation rate; ROM, range of motion.

^aElevated value.