Table V.
Rates of major, moderate, and minor complications for each study including revision and conversion rates.
| Study | Patients, n |
THA conversion, n (%) |
Repeat procedures, n (%) | Major | Moderate | Minor |
|---|---|---|---|---|---|---|
| Arthroscopy | ||||||
| Kunze et al 202,04526 | 310 | NR | 4 revision arthroscopies Total: 4 (1.3) |
NR | NR | NR |
| Öhlin et al 202,04728 | 184 | 36 (19.6) | NR | NR | NR | NR |
| Ortiz-Declet et al 202,04829 | 34 | 0 (0) | 3 revision arthroscopies for adhesions; 1 revision arthroscopies for labral retear Total: 4 (11.8) |
0 (0) | 0 (0) | 1 temporary neuropraxia Total: 1 (2.9) |
| Bolia et al 201,94930 | 99 | 9 (9.1) | 10 evision arthroscopies for adhesions; 3 revision arthroscopies for adhesions and a small cam regrowth Total: 13 (13.1) |
3 cases of small cam regrowth Total: 3 (3.0) |
NR | NR |
| Hassebrock et al 201,95031 | 133 | 1 (0.8) | NR | 0 (0) | 1 infection Total: 1 (0.8) |
8 temporary neuropraxia; 2 heterotopic ossification;* 9 other‡
Total: 19 (14.3) |
| Perets et al 201,95233 | 295 | 25 (8.5) | 25 revision arthroscopies for persistent symptoms; 11 revision arthroscopies for hip reinjury; 3 revision arthroscopies for heterotopic ossification; 1 revision arthroscopy for femoral neck stress fracture Total: 40 (13.6) |
25 persistent hip symptoms; 1 femoral neck stress fracture Total: 26 (8.8) |
3 heterotopic ossification;†
3 cases of infection that resolved with antibiotics treatment Total: 6 (2.0) |
16 temporary neuropraxia Total: 16 (5.4) |
| de Girolamo et al 201,85334 | AMIC-59 MFx-50 |
AMIC -0 (0) MFx- 11 (22) |
5 revision arthroscopies for persistent or recurrent mechanical hip symptoms Total: 5 (4.6) |
5 persistent symptoms Total: 5 (4.6) |
0 (0) | 0 (0) |
| Kaldau et al 201,85435 | 84 | 15 (17.9) | 7 repeat arthroscopies (reasons unspecified) Total: 7 (8.3) |
0 (0) | 0 (0) | 0 (0) |
| Mansell et al 201,85536 | 66 | 1 (7.5) | 5 revision arthroscopies for persistent symptoms Total: 5 (7.6) |
1 hip fracture Total: 1 (7.5) |
7 postoperative diagnosis of hip osteoarthritis Total: 7 (10.6) |
1 heterotopic ossification* Total: 1 (7.5) |
| Tahoun et al 201,85637 | 23 | 1 (4.3) | NR | 0 (0) | 1 periarticular muscular pain and stiffness; 3 perineal hypoesthesia Total: 4 (17.4) |
0 (0) |
| Menge et al 201,75839 | 154 | 50 (32.5) | 7 repeat arthroscopies (reasons unspecified) Total: 7 (4.5) |
NR | NR | NR |
| Murata et al 201,75940 | 74 | NR | 7 revision arthroscopies due to persistent hip pain Total: 7 (9.5) |
NR | NR | NR |
| Tjong et al 201,76041 | 86 | 0 (0) | 0 (0) | 0 (0) | 5 superficial erythema that resolved with ABx Total: 5 (5.8) |
0 (0) |
| Degen et al 201,66142 | 70 | NR | 1 arthroscopy for irrigation and debridement of a subcutaneous wound infection Total: 1 (1.4) |
0 (0) | 1 subcutaneous wound infection Total: 1 (1.4) |
0 (0) |
| Hufeland et al 201,66243 | 44 | 5 (11.4) | 0 (0) | 0 (0) | 0 (0) | 3 temporary neuropraxia; 1 asymptomatic heterotopic ossifications Brooker type II Total: 4 (9.1) |
| Gicquel et al 201,43146 | 51 | 8 (15.7) | NR | NR | 13 Tönnis grade progression Total: 13 (25.5) |
NR |
| Nielsen et al 201,46648 | 117 | 5 (4.3) | NR | NR | NR | NR |
| Domb et al 201,36749 | 20 | NR | 1 iliopsoas release because of new-onset symptomatic internal snapping. Total: 1 (0.5) |
1 iliopsoas release because of new-onset symptomatic internal snapping. Total: 1 (0.5) |
NR | NR |
| Zingg et al 201,37052 | 23 | NR | 0 (0) | 0 (0) | 1 transient neuropraxia of LFCN Total: 1 (4.4) |
0 (0) |
| Larson et al 201,27153 | 94 | 1 (1.1) | 2 revision arthroscopies for HO; 2 revision femoral osteochondroplasty for inadequate initial decompression; 1 open surgical dislocation for a symptomatic posterior cam-type lesion Total: 5 (5.3) |
2 persistent symptoms Total: 2 (2.1) |
2 heterotopic ossifications†
Total: 2 (2.1) |
1 heterotopic ossification*
Total: 1 (1.1) |
| Palmer et al 201,27254 | 185 | 13 (7.0) | 0 (0%) | 1 case of symptomatic Brooker type 3 heterotopic ossification Total: 1 (0.5) |
1 case of Superficial phlebitis; 1 superficial portal infection; 1 transient foot paraesthesia; 2 Tönnis grade progression. Total: 4 (2.2) |
0 (0) |
| Philippon et al 201,27355 | 153 | 31 (20.3) | 2 revision arthroscopies before THA; 1 revision arthroscopy for adhesions Total: 3 (2.0) |
NR | NR | NR |
| Byrd and Jones 201,17456 | 200 | 1 (0.5) | 4 revision arthroscopies for persistent or recurrent mechanical hip symptoms Total: 4 (2.0) |
4 persistent or recurrent mechanical hip symptoms Total: 4 (2.0) |
5 transient neurapraxias 1 LFCN 1 Femoral nerve 1 Sciatic nerve 1 Pudendal nerve 1 Contralateral sciatic nerve (all resolved within a few days) Total: 5 (2.5%) |
1 heterotopic ossification Total: 1 (0.5) |
| Haviv et al 201,07557 | 166 | 2 (1.2) | 10 revision arthroscopies for repeat symptoms; 8 revision arthroscopies for osteochondroplasty; 4 revision arthroscopies for labral tears Total: 22 (13.3) |
10 repeat symptoms; 8 cam re-growths Total: 18 (10.8) |
0 (0) | 0 (0) |
| Horisberger et al 201,07658 | 88 | 9 (10.3) | 0 (0) | 0 (0) | 9 cases of dysesthesia/ hypesthesia of the pudendal nerve and LFCN; 2 transient neurapraxias of the sciatic nerve Total: 11 (12.5) |
1 superficial labia minora tear Total: 1 (1.1) |
| Philippon et al 200,97759 | 112 | 10 (8.9) | NR | 0 (0) | 0 (0) | 0 (0) |
| AMO approach | ||||||
| Skowronek et al60 | 39 | 4 (10.3) | 0 (0) | 0 (0) | 3 meralgia paresthetica, which resolved within 10 months; 4 osteoarthritis developments Total: 7 (17.9) |
1 heterotopic ossification (Brooker Type 2) Total: 1 (2.6) |
| Ezechieli et al 201,67961 | 72 | NR | 1 deep infection with Staphylococcus aureus that needed to be revised Total: 1 (1.4) |
1 deep infection with Staphylococcus aureus
Total: 1 (1.4) |
8 transient neuropraxia of LFCN; 4 hypercorrections Total: 12 (16.7) |
1 asymptomatic heterotopic ossification; 2 LFCN irritations Total: 3 (4.2) |
| Srinivasan et al 201,38062 | 25 | 1 (4.0) | 0 (0) | 1 perineal numbness and sciatic nerve paralysis with foot drop that resolved within 6 months Total: 1 (4.0) |
3 transient neuropraxia of LFCN; 3 patients had a slow recovery period and needed steroid injections to help with their rehabilitation Total: 6 (24.0) |
1 asymptomatic heterotopic ossification Brooker grade one Total: 1 (4.0) |
| Chiron et al 201,28163 | 106 | 4 (3.8) | 2 revision arthroscopies to complete the femoral neck plasty 2 revision arthroscopies for capsular adhesions and lengthening of the psoas tendon; 4 revision arthroscopies for drainage of painful haematomas Total: 8 (7.5) |
2 incomplete femoro osteoplasties Total: 2 (1.9) |
18 cases of osteoarthritis progression; 2 cases of complex regional pain syndrome which quickly improved with conservative treatment that included bisphosphonates; 4 postoperative painful haematomas Total: 24 (22.6) |
0 (0) |
| Ribas et al 201,03264 | 105 | 9 (8.6) | 2 revision arthroscopies for capsulolabral adhesions; 1 revision arthroscopy for persisting retrolabral ulceration Total: 3 (2.9) |
4 cases of permanent neuropraxia of LFCN; 1 retrolabral ulceration Total: 5 (4.8) |
2 postoperative haematomas; 18 transient neuropraxias of LFCN Total: 20 (19.0) |
32 cases of hypertrophic scar formation Total: 32 (30.5) |
| SHD | ||||||
| Kockara et al 201,88366 | 33 | 2 (6.1) | 0 (0) | 2 avascular necrosis; 1 DVT Total: 3 (9.1) |
1 superficial wound infection Total: 1 (3.0) |
0 (0) |
| İnan et al 201,63367 | 22 | 4 (18.2) | 1 revision arthroscopy for persistent symptoms Total: 1 (4.5) |
1 persistent symptom Total: 1 (4.5) |
0 (0) | 8 minor trochanteric irritation; 2 heterotopic ossification*
Total: 10 (45.5) |
| Hingsammer et al 201,58468 | 30 | NR | NR | 0 (0) | 0 (0) | 0 (0) |
| Steppacher et al 201,48569 | 75 | 11 (14.7) | 1 revision of iliotibial band dehiscence; 1 arthroscopic acetabular rim trimming; 2 refixations of greater trochanter; 6 arthroscopic adhesiolysis; 2 evacuations of wound haematoma; 1 irrigation and debridement for subcutaneous wound infection Total: 13 (17.3) |
1 iliotibial band dehiscence; 2 trochanteric nonunion Total: 3 (4.0) |
8 cases of osteoarthritis progression; 1 subcutaneous wound infection; 2 wound haematomas Total: 11 (14.7) |
0 (0) |
| Domb et al 201,36749 | 10 | NR | 1 patient underwent hip arthroscopy at the time of hardware removal where a microfracture was performed; 1 patient underwent revision arthroscopy for labral debridement, chondroplasty, and lysis of adhesions. Total: 2 (20.0) |
2 revision arthroscopies due to persisting symptoms Total: 2 (20.0) |
0 (0) | 0 (0) |
| Zingg et al 201,37052 | 18 | NR | 1 arthroscopic adhesiolysis Total: 1 (5.6) |
0 (0) | 0 (0) | 0 (0) |
| Naal et al 201,18771 | 22 | NR | NR | 0 (0) | 1 patient had osteoarthritis progression Total: 1 (4.5) |
0 (0) |
| Yun et al 200,93072 | 14 | NR | NR | 3 trochanteric nonunions Total: 3 (21.4) |
0 (0) | 0 (0) |
| Espinosa et al 200,63873 | 52 | NR | NR | 0 (0) | 0 (0) | 0 (0) |
*
Brooker grade 2 (minor) was assumed for studies that did not report Brooker grade.
†
Brooker grade 3 (moderate) was assumed for studies that did not report Brooker grade but reported arthroscopic treatment for heterotopic ossifications.
‡
Complications stated as “other” were classed as minor complications.