Radiographic Landmarks for the Femoral Attachment of the Medial Patellofemoral Complex: A Cadaveric Study

Bhimani, Rohan; Ashkani-Esfahani, Soheil; Mirochnik, Karina; Lubberts, Bart; DiGiovanni, Christopher W.; Tanaka, Miho J.

doi:10.1016/j.arthro.2022.01.046

Cited by 6 publications

(1 citation statement)

References 29 publications

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“…The NSA was approximately 140° in newborns and approximately 125° by the end of growth [9]. These changes might be caused by developmental processes and dynamic upright walking forces [2]. The reason for the positive correlation between the femur NSA and ACT in FAIS patients may be the presence of cam impingement.…”

Section: Discussionmentioning

confidence: 99%

Femoral neck-shaft angle can predict the anterior capsular thickness in patients with femoracetabular impingement syndrome

Yang

Zhang

et al. 2023

Knee Surg Sports Traumatol Arthrosc

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Purpose To measure the femoral neck-shaft angle (NSA) on computed tomography (CT) images in femoracetabular impingement syndrome (FAIS) patients and explore its relationship with the anterior capsular thickness (ACT). Methods A retrospective review of prospectively collected data from 2022 was performed. Inclusion criteria included: primary hip surgery, 18 to 55 years of age, and CT imaging of the hips. Exclusion criteria included: revision hip surgery, mild or borderline hip dysplasia, hip synovitis, and incomplete radiographs and medical records. NSA was measured on CT imaging. ACT was measured using magnetic resonance imaging (MRI). Multiple linear regression was performed to assess the association between ACT and related variables, including age, sex, body mass index (BMI), lateral center-edge angle (LCEA), alpha angle, Beighton test score (BTS), and NSA. Results A total of 150 patients were included. The mean age, BMI, and NSA were 35.8 ± 11.2 years, 22.8 ± 3.5, and 129.4° ± 7.7°, respectively. Eighty-ive (56.7%) patients were females. Multivariable regression analysis revealed that NSA (P = 0.002) and sex (P = 0.001) were signiicantly negatively correlated with ACT. Age, BMI, LCEA angle, alpha angle, and BTS were not correlated with ACT. Conclusions This study conirmed that NSA signiicantly predicts ACT. A decrease in the NSA by 1° increases the ACT by 0.24 mm. Level of evidence Level III.

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Section: Discussionmentioning

confidence: 99%