Sciatic Nerve Palsy following Total Hip Replacement: Are Patients Personal Characteristics More Important than Limb Lengthening? A Systematic Review

Table 2

Postarthroplasty sciatic nerve injuries and limb lengthening.

Authors	Number of sciatic injuries	Average lengthening (cm)	Rate of lengthened hips	Rate of previous hip surgery
Johanson	34	N.A.	5 limbs ≥ 2 cm (15%)	7 cases (21%); (2 Girdlestone, 2 arthrodesis, 1 Colonna arthroplasty, 1 hemiarthroplasty, 1 ORIF)
Edwards	23	1,9 (range −1,5–5,1)	12 limbs ≥ 2 cm (52%)	10 cases (43%); (8 THRs, 2 arthrodesis)
Schmalzried	48	N.A.	N.C.	N.C.
Simon et al.	16	N.A.	3 limbs ≥ 2 cm (19%)	2 cases (12%) (THRs)
Nercessian	29	0,6 (range 0–2)	N.A.	9 cases (31%) (THRs)
Pekkarinen	27	1,4 (range 1–4,1)	8 limbs ≥ 2 cm (30%)	6 cases (22%) (THRs)
Park	30	0,3 (range 0–2,5)	N.A.	4 cases (13%) (THRs)

N.A.: not available; N.C.: not clear.