Table 3 Patient and implant characteristics including date of implantation and implant type, allergy history, symptoms, patch test results, timing of allergy work-up and revision surgery, and change in KOOS scores (CoCroMo incl. Ni+, cobalt-chromium-molybdenum alloy includes up to 1% nickel; AA, allergic asthma; AR, allergic rhinitis; FA, family history of atopy; AE, atopic eczema; ARM, self-reported intolerance reactions to metallic objects; JP, joint pain; Sw, swelling; Er, localized erythema; Ec, localized eczema; JE, joint effusion; LA, limited ambulation; Genta, gentamicin; Ni, nickel; BPO, benzoyl peroxide)
ID | Implantation | Manufacturer: model | Alloy | Allergy history | Symptoms | Patch test | JR→WU † | JR→RS § | WU→FU £ | KOOS Diff ‡ |
|---|---|---|---|---|---|---|---|---|---|---|
1 | Apr 04, 2008 | Zimmer: Protasul | CoCroMo (incl. Ni+) | none | JP, Sw, JE, LA | Genta | 28 | 33 | 56 | + 62.1 |
2 | Apr 09, 2009 | DePuy: LCS | CoCroMo (incl. Ni+) | FA | JP, LA | Genta | 19 | 22 | 54 | + 18.9 |
3 | Apr 22, 2010 | Smith and Nephew: Genesis II | CoCroMo (incl. Ni+) | FA | JP, Sw, JE, LA | Genta | 11 | 15 | 52 | + 07.6 |
4 | Jul 02, 2010 | DePuy: PFC | CoCroMo (incl. Ni+) | FA | JP, Sw, JE, LA | Genta | 13 | 17 | 45 | + 68.9 |
5 | Apr 12, 2011 | DePuy: PFC | CoCroMo (incl. Ni+) | AR, ARM | JP, Sw, Er, Ec, LA | Genta | 4 | no rev | 45 | + 11.3 |
6 | Mar 28, 2010 | Biomet Oxford: Vanguard | CoCroMo (incl. Ni+) | AR, AA, AE | Sw, JE | Genta | 19 | no rev | 43 | − 04.6 |
7 | Jan 21, 2011 | Zimmer: INNEX | CoCroMo (incl. Ni+) | none | JP, Sw, LA | Genta | 14 | 18 | 37 | + 33.4 |
8 | Feb 28, 2011 | DePuy: PFC | CoCroMo (incl. Ni+) | none | JP, Sw | Genta | 13 | 17 | 37 | + 19.2 |
9 | Feb 18, 2011 | DePuy: PFC | CoCroMo (incl. Ni+) | none | Sw, LA | Genta | 16 | no rev | 35 | + 01.5 |
10 | Aug 06, 2009 | Endoplant: Solution EPP | CoCroMo (incl. Ni+) | AR, AA, AE, FA | JP, Sw, LA | Genta | 35 | 38 | 33 | − 14.4 |
11 | Sep 16, 2011 | DePuy: PFC | CoCroMo (incl. Ni+) | none | JP, Ec, JE, LA | Genta, BPO | 13 | no rev | 31 | + 03.8 |
12 | Sep 09, 2008 | DePuy: LCS | CoCroMo (incl. Ni+) | AR, ARM, FA | JP, Sw, LA | Ni, Genta | 53 | no rev | 26 | + 56.0 |
13 | Aug 20, 2012 | Stryker: Triathlon | CoCroMo (incl. Ni+) | ARM | JP, Ec, JE, LA | Genta | 6 | no rev | 26 | + 28.8 |
14 | Aug 26, 2011 | Zimmer: INNEX | CoCroMo (incl. Ni+) | FA | JP, Sw, JE, LA | Genta | 19 | 27 | 25 | + 03.7 |
15 | Jun 06, 2012 | Zimmer: Nexgen | CoCroMo (incl. Ni+) | ARM | JP, Sw, JE, LA | Ni, Genta | 12 | 15 | 23 | + 16.7 |