Clinical Results and Serum Metal Ion Concentrations following Ceramic-on-Metal Total Hip Arthroplasty at a Mean Follow-Up of 60 Months

Table 2

Metal ion concentrations, revision rates, and time of follow-up of several studies reporting their results following MoM and CoM THA.

Study	Revision rate (%)	Metal ion concentrations (μg/L)		Follow-up (months)
		Co	Cr
Large diameter MoM
Hug et al. [12]	13	14 (0–150)	5 (0–87)	36 (12–61)
Langton et al. [13]	6	3.26 (1.1–32)	3.71 (2.4–22)	41 (10–57)
Lavigne et al. [14]	0	1.78 (0.32–7.59)	1.78 (0.24–6.20)	24
Reito et al. [15]	36	Unilateral: 4.2 (0.3–191.7); Bilateral: 13 (1.5–139.9)	Unilateral: 2.1 (0.4–115); Bilateral: 3.4 (0.8–61)	—
Maurer-Ertl et al. [16]	32	20.1 (0.3–190.5)	12.8 (1.0–89.8)	78 (20–98)
Engh et al. [5]	3	1.01	0.95	60
Schouten et al. [17]	—	1.57	1.73	12
Lainiala et al. [4]	—	3.3 (0.3–191.7)	1.9 (0.4–114.8)	3.4 years (0.6–6.5)
MoM resurfacing
Hug et al. [12]	12	12 (0–126)	7 (0–60)	54 (12–74)
Langton et al. [13]	3.2	2.74 (0.4–271)	4.16 (1.5–69.8)	35 (8–57)
Langton et al. [18]	1.3	1.89 (0.4–228.0)	3.61 (0.6–115.0)	26 (13–44)
Reito et al. [15]	30	Unilateral: 2.3 (0.7–217.7); Bilateral: 2.4 (0.9–96.9)	Unilateral: 2.0 (0.8–94); Bilateral: 2.7 (1–54)	—
Maurer-Ertl et al. [16]	30	16.0 (0–171.8)	13.1 (0.31–125.0)	86 (68–109)
Lainiala et al. [4]	—	1.3 (0.5–224.7)	1.6 (6.4–13.1)	4 years (1–6.8)
CoM THA
Engh et al. [5]	1.5	0.85	1.13	60
Schouten et al. [17]	—	1.77	1.84	12
Hill et al. [3]	3.1	0.83 (0.24–27.56)	0.78 (0.21–8.84)	34 (23–45)
Yi et al. [7]	0	2.82 ()	2.41 ()	50
Kazi et al. [19]	—	1.37 (0.12–10.68)	1.09 (0.00–5.51)	24
Isaac et al. [20]	—	0.72	0.43	12
Cadossi et al. [6]	—	0.78 (0.14–1.67)	0.97 (0.11–2.61)	36
Joyce et al. [8]	10.7	—	—	18
Current series	7	3.1 (0.3–15.2)	1.6 (0.1–5.5)	58 (49–68)