Femoral Neck Stress Fractures

Harris, Joshua D.; Chahal, Jaskarndip

doi:10.1053/j.otsm.2015.07.001

Cited by 12 publications

(4 citation statements)

References 23 publications

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“…This results in increased stress on the femoral neck. Therefore, the coxa valga and coxa vara could serve as intrinsic risk factors for femoral head and femoral neck stress fractures, respectively [2,16,17]. Our results are consistent with the biomechanism of femoral neck shaft anatomy affecting the femur according to the FNSA.…”

Section: Discussionsupporting

confidence: 87%

“…Therefore, the purpose of our study is to evaluate the influence of FNSA on the location of the femoral stress fracture, given that differences in FNSA could affect the induced stress on the femur [ 2 ]. Furthermore, we aimed to assess the potential difference in FNSA between the fractured and the contralateral normal femurs in the same patients.…”

Section: Introductionmentioning

confidence: 99%

“…Femoral stress fractures occur in individuals of all ages but can particularly impact young individuals who engage in physical activities such as running. This is because pathophysiologically lower extremity bone stress injury is a type of overuse injury [1][2][3]. There are known extrinsic and intrinsic factors (e.g., prior stress fracture, training intensity, smoking, and metabolic disease) associated with an increased risks of femoral stress fractures [4,5].…”

Section: Introductionmentioning

confidence: 99%

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Femoral neck shaft angle in relation to the location of femoral stress fracture in young military recruits: femoral head versus femoral neck stress fracture

Kim

2020

Skeletal Radiol

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Objective To evaluate the influences of the femoral neck shaft angle (FNSA) on the location of the femoral stress fracture and to assess the potential differences in FNSA between fractured and normal femurs. Materials and methods Thirty-seven patients with femoral stress fractures who underwent both plain hip radiographs and MRI, from January 2016 to September 2019, were retrospectively included. Patients were classified as having either femoral head stress fracture (group A, n = 26) or femoral neck stress fracture (group B, n = 11). The FNSA was measured in anteroposterior (AP) hip radiograph. The Mann-Whitney U testing was used to compare the continuous values between the two groups. A receiver operating characteristic (ROC) analysis was used to evaluate the value of FNSA for predicting the risk of femoral stress fracture. Results The FNSA was significantly higher in group A (median 135.9°, range 129.5–138.6°) than group B (median 124.3°, range 119.5–129.0°) (p < 0.001), but there were no significant differences in other clinical factors. Furthermore, the FNSA was significantly higher at the fractured femurs (median 135.9°, range 129.9–138.6°) than contralateral normal femurs (median 127.9°, range 123.8–132.1°) in the patients with unilateral femoral head stress fracture (n = 22) (p < 0.001). The ROC analysis revealed that the area under curve (AUC), sensitivity, and specificity for predicting the risk of femoral head stress fracture were 0.807, 72.7%, and 68.2%, respectively, at a FNSA cutoff of 131.0°. Conclusion FNSA was associated with the location of the femoral stress fracture. In addition, FNSA could serve as a predictive factor for the risk of femoral head stress fractures.

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Section: Discussionsupporting

confidence: 87%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Femoral neck shaft angle in relation to the location of femoral stress fracture in young military recruits: femoral head versus femoral neck stress fracture

Kim

2020

Skeletal Radiol

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“…Differences in energy level is being used to hyperattenuate various tissue compositions allowing for increased diagnosis of radiographically occult fractures. Signs such with less than 120 degrees respective to femoral shaft), or experience insufficiency secondary to a myriad of causes (metabolic bone disease, chronic renal disease, endocrinopathy, smoking, infection, bone tumor at femoral neck, bisphosphonate therapy, post radiation therapy) [12]. Special attention is given to long term bisphosphonate therapy due to its unique presentations and unknown pathophysiology.…”

Section: Computed Tomography (Ct)mentioning

confidence: 99%

Femur Stress - Can You Take It?

Saagar¹,

Areeb²,

Girija³

et al. 2019

Int Arch Orthop Surg

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Background and objective: Outline the biomechanics and pathophysiology of stress-induced injuries to the femur. Provide various imaging presentations of stress injuries of the femur including radiographs, computed tomography (CT), and Magnetic resonance imaging (MRI). Understand treatment modalities, recognize complications and become proficient in avoiding pitfalls. Methods: This paper will discuss detailed macro and microanatomical features of the femur and associated soft tissues such as muscles, tendons, and cartilage. A review of biomechanics of the femur with consideration to the remodeling process of the femur will be provided. Emphasis will be placed on structural integrity and composure of trabecular bone and its response to stress. Results: Multiple cases of stress response and fractures in the femur using various modalities such as radiographs, CT, and MRI will be used to review presentations of stress related injuries to the femur. Treatment options and imaging follow up for these cases will also be discussed. Conclusion: The learner will be exposed to key concepts of stress related injuries and informed of pitfalls.

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Stress Fractures of the Hip and Femur

Harris

Jotwani

2020

Stress Fractures in Athletes

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Femoral Neck Stress Fractures

Cited by 12 publications

References 23 publications

Femoral neck shaft angle in relation to the location of femoral stress fracture in young military recruits: femoral head versus femoral neck stress fracture

Femoral neck shaft angle in relation to the location of femoral stress fracture in young military recruits: femoral head versus femoral neck stress fracture

Femur Stress - Can You Take It?

Stress Fractures of the Hip and Femur

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