[Treatment of femoro-acetabular impingement by a minimally invasive approach. Results at 2 years follow-up].
BACKGROUND
Surgical treatment of femoroacetabular impingement (FAI) is becoming a worldwide current practice. In this work we describe our developed minimal-invasive anterior technique as well as the results obtained in our first 117 patients.


METHODS
We evaluated our first 117 operated hips in 115 patients, who underwent to femoroacetabular osteoplasty through minimally invasive anterior approach with a minimal follow up of 2 years. Hips were divided into 3 groups according to radiological Tönnis classification: 32 cases were included in group A (stage 0), 61 cases in group B (stage 1), 24 cases in group C (stage 2). A combined score method (Dexeus Combined Score) was used to compare these groups at 3 months, 6 months and 1 year and each subsequent year.


RESULTS
In 30 cases (93.7%) group A, 56 (91.8%) group B and 14 (58.3%) group C satisfactory result was obtained at 6 months, without significant changes over the year (96.8%, 91.8%, 54.1% respectively). After 2 years same behaviour was observed in groups A and B, exception made with group C (96.8%, 93.4%, 45.8% respectively). Differences between groups A and B when compared to group C were statistically significant (p < 0.01). No statistical difference was observed between groups A and B (p > 0.05).


CONCLUSIONS
Patients improve in their clinical and functional scores. However these results differed in patients with Tönnis stage 0 and 1 when compared to Tönnis 2. Thus, it seems reasonable to recommend to symptomatic patients surgical treatment of FAI as early as it appears.
Treviño-Garza
Oscar
O
Departamento de Cirugía Ortopédica y Traumatología, OCA Hospital, OCA Medical Center, Monterrey, Nuevo León, México. oscarmedico@hotmail.com
Rivas-Fernández
Manuel
M
Marín-Peña
Oliver
O
Esteban-Ledezma
Rubén
R
Vilarubias-Guillament
José María
JM
D000077:Acetabulum; D000293:Adolescent; D000328:Adult; D005260:Female; D005269:Femur; D006621:Hip Joint; D006801:Humans; D007592:Joint Diseases / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D019060:Minimally Invasive Surgical Procedures; D019637:Orthopedic Procedures / Q000379:methods; D011446:Prospective Studies; D055815:Young Adult