Table 3

Summary of results for hip arthroscopy with osteoplasty

Study characteristicsSample characteristicsEffect size at follow up
Paper (total score using Downs and Black appraisal)InterventionPathologySample sizeInclusion criteriaGenderAge (years)Duration of symptoms (months)Follow-up (months)OutcomeEffect size (95% CI)Study conclusions (where effect size=ID)
Bardakos31 (19)Femoral osteoplastyCam FAI24Isolated CAM10F; 14M33NR12MHHSIDMHHS pre 59; post 83; improved 24 points
Other4 5Other1
Brunner38 39 (17)Femoral osteoplastyCam FAI53FAI12F; 41M42NR28NAHSNAHS no sport 2.24 (1.17 to 3.30)
NAHS sport 1.72 (1.30 to 2.14)
Sport=45VASVAS no sport 2.93 (1.87 to 3.99)
No sport=8VAS sport 2.09 (1.67 to 2.51)
Brunner38 39 (21)Femoral osteoplastyCam FAIGroup 1–25 (CTN)Cam FAI11F; 39M42NR26NAHSVAS CTN 2.33 (1.76 to 2.90)
VAS no CTN 2.05 (1.48 to 2.62)
NAHS CTN 2.06 (1.51 to 2.61)
Other4 5Group 2–25 (no CTN)VASNAHS no CTN 1.58 (1.01 to 2.15)
Gédouin59 (17)Femoral osteoplastyFAI unspecified38FAI, positive impingement test5F; 33M366 Months–10 years15WOMACWOMAC 1.18 (0.69 to 1.66)
Other46Other1PMAPMA 1.16 (0.71 to 1.62)
Haviv33 (17)Femoral osteoplastyCam FAI170Cam FAI, acetabular chondral lesions34F; 132M37371364 778422MHHSMHHS 0.93 (0.71 to 1.14)
Other4Other2NAHSNAHS 0.92 (0.70 to 1.13)
Horisberger28 37 (17)Femoral osteoplastyCam FAI88 (105 hips)Cam or mixed FAI28F; 60M4040.91657 777928NAHSIDNAHS pre 56.7; post 84.6; improved 27.9
Combined FAIVASVAS pre 5.5; post 1.5; improved 4 points
Other46Other1 2
Ilizaliturri58 (18)Femoral osteoplastyCam FAI19Cam FAI8F; 11M3434254024WOMAC0.78 (0.12 to 1.44)
Other4 5Other1 2
Larson45 (16)Femoral osteoplastyCam FAI96FAI42F; 54M3434.71557 779MHHSMHHS 1.44 (1.15 to 1.73)VAS pre 6.74; post 1.88; improved 4.86 points
Combined FAIVASSF12 pre 60.2; post 77.7 improved 17.5 points
Other4 5 8Other1 2SF12
Nassif44 (17)Femoral osteoplastyFAI unspecified135FAI65F; 70M3232.73 145022HHS1.64 (1.40 to 1.88)
Other4 5Other1 2
Nepple30 (16)Femoral osteoplastyCam FAI25Cam lesion; labral tear8F; 17M33NR20MHHSIDMHHS pre 64.5; post 90.5; improved 26 points
Other4 5Other1 2
Philippon40 71 (17)Femoral osteoplastyCam FAI112FAI, chondrolabral dysfunction62F; 50M4034 (25.2-42.8)28MHHSIDMHHS pre 58; post 84; improved 26 points
Pincer FAIHOSHOS ADL pre 70; post 87; improved 17 points
Combined FAINAHS
Other4 5 79Other1 2NAHS pre 66; post 81; improved 15 points
Philippon4 47 (16)Femoral osteoplastyCam FAI28Professional ice hockey player, unilateral hip pain0F; 28M2719 (1.5 – 99)24MHHSIDMHHS pre 70; post 95; improved 25 points
Pincer FAI
Combined FAI
Other5 8Other1 2
Singh34 (16)Femoral osteoplastyCam FAI24 (27 hips)ARF players, hip/groin pain not responding to conservative treatment0F; 24M22NR22MHHSIDMHHS pre 86; post 96; improved 10 points
Pincer FAI
Combined FAIVASNAHS pre 81; post 96; improved 15 points
Other4 5 8Other13
Stähelin41 (17)Femoral osteoplastyCam FAI22Symptomatic Cam FAI7F; 15M42NR6NAHSNAHS Tonnis 0; 2.2 (1.42 to 2.98)
NAHS Tonnis I-II; 0.92 (–0.15 to 1.98)
VAS Tonnis 0; 2.26 (1.49 to 3.04)
Other4 5 8Other1 2VASVAS Tonnis I-II; 2.0 (0.94 to 3.07)
Tzaveas49 (17)Femoral osteoplastyCam FAI19Acetabular chondral defects14F; 5M36NR12MHHS0.07 (0.42 to 1.73)
Other4 5 8 10Other1 2
  • Mean (SD).

  • Range.

  • 1Labral pathology; 2chondropathy; 3synovitis; 4Labral debridement; 5Chondral debridement; 4Microfracture; 6Removal loose bodies; 7 Synovectomy; 8Labral repair; 9Acetabular osteoplasty; 10Chondral repair (fibrin adhesive)

  • Cam FAI, lesion at femoral head neck junction; CTN, CT-based navigation system; FAI, femoro-acetabular impingement; F, female; ID, insufficient data; HHS, Harris hip score score range 0–100 points, 100 points=best possible outcome; M, male; MHHS, modified Harris hip score score range 0–100 points, 100 points=best possible outcome; NAHS, non-arthritic hip score (score range 0–100 points, 100 points=best possible outcome); NR, not reported; PMA, Postel Merle d’Aubigne score (score range 0–18 points, 18 points=best possible outcome); THA, total hip arthroplasty; Tonnis, preoperative grading of osteoarthritis using Tonnis scale; VAS, visual analogue scale (score range 0–10 points, 0 points=best possible outcome); WOMAC, Western Ontario and McMaster universities osteoarthritis index (score range 0–100 points, 100 points=best possible outcome).