Femoroacetabular impingement is defined as anterior hip abutment between the acetabular rim and proximal femur. When it is secondary to acetabular overcoverage, it is pincer impingement. When it is secondary to femoral head and neck deformity, it is cam impingement. Open remodeling of impinging deformities is the standard treatment of this condition. We describe arthroscopic treatment of cam impingement in 19 patients using standard hip arthroscopy portals by the lateral approach. Sixteen patients improved their symptoms after the procedure; and 3 patients deteriorated, with 1 needing a total hip arthroplasty at 2 years follow-up. We had no cases with postoperative femoral neck fractures or avascular necrosis. Hip arthroscopy can be successfully used to treat cam impingement. The precautions used in open surgery to preserve femoral neck bone stock and hip vascularity should be followed.
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Femoroacetabular Impingement Morphological Changes in Sample of Patients Living in Southern Mexico Using Tomographic Angle Measures.
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Hospital Regional de Alta Especialidad de la Peninsula de Yucatan, Servicios de Salud del IMSS-BIENESTAR, Merida 97130, Yucatan, Mexico.
Background: Femoroacetabular impingement (FAI) is a condition caused by abnormal contact between the femur head and the acetabulum, which damages the labrum and articular cartilage. While the prevalence and the type of impingement may vary across human groups, the variability among populations with short height or with a high prevalence of overweight has not yet been explored. Latin American studies have rarely been conducted in reference to this condition, including the Mayan and mestizo populations from the Yucatan Peninsula.
View Article and Find Full Text PDF[Prospective study of three-dimensional-printed guide plates assisted hip arthroscopy in treatment of Cam-type femoroacetabular impingement].
Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
December 2024
Department of Orthopedics, the First Affiliated Hospital of Anhui Medical University, Hefei Anhui, 230032, P. R. China.
Objective: A prospective study was conducted to investigate the feasibility and effectiveness of three-dimensional printed guide plates assisted hip arthroscopy in the treatment of Cam-type femoroacetabular impingement (FAI).
Methods: The clinical data of 25 patients with Cam-type FAI who met the selection criteria between December 2016 and September 2022 were collected. There were 13 males and 12 females with an average age of 42 years (range, 19-66 years).
Acetabular cartilage delamination (ACD) can result in focal chondral defects, increasing contact stresses and contributing to osteoarthritis. This is commonly associated with femoroacetabular impingement, particularly with cam deformities due to shearing of the cam on the acetabulum. Additionally, ACD associated with labral tears or chondrolabral separation, when untreated, can compromise labral repair outcomes.
View Article and Find Full Text PDFRemplissage Using Tendon Graft Can Improve Impaired Suction Seal Caused by Over-resection During Femoroplasty in an Ovine Model.
Arthroscopy
December 2024
Department of Orthopaedics and Traumatology, Oncology Training and Research Hospital, Ankara, Turkey.
Purpose: To evaluate the effect of depth and location of femoral osteoplasty or the use of remplissage on the suction seal in a sheep hip model.
Methods: The hips of 32 twelve-month-old sheep were used as a cam-type femoroacetabular impingement model. The subjects were divided into 4 groups, each undergoing a distinct surgical procedure: group I underwent a 5% cam resection at the head/neck junction, group II had a 10% cam resection at the head/neck junction, group III received a 5% cam resection from 5 mm proximal to the head/neck junction, and group IV underwent remplissage to replace the loss of the suction seal with an extensor tendon graft in the defected area after a 10% cam resection at the head-neck junction.
Feasibility and potential of intraoperative ultrasound in arthroscopy of femoroacetabular impingement.
J Hip Preserv Surg
July 2024
Department of Ultrasound, Peking University Third Hospital, 49 Huayuan N Rd, Haidian District, Beijing 100191, China.
This study aimed to evaluate the feasibility of using ultrasound for monitoring osteochondroplasty intraoperatively, determine the factors that interfere with ultrasound imaging and assess its influence on surgeon performance. Intraoperative ultrasonography was performed during osteochondroplasty in 39 cases of arthroscopy. The femoral head-neck junction (FHNJ) was evaluated using ultrasonography.
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