Radiographic Evaluation of Proximal Femoral Nutrient Arteries After Total Hip Arthroplasty With a Short Femoral Stem

Wynn, Malynda; Carender, Christopher N.; Solsrud, Emily; Clark, Charles R.; Otero, Jesse E.; Brown, Timothy S.

doi:10.1016/j.arth.2021.02.003

Cited by 1 publication

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“…In human patients, compared to fracture lines, the femoral nutrient foramina were less radiolucent, smaller in diameter, had less straight pathways through the medullary cavity, showed sclerotic walls in the cortex, and had more blunted ends compared with fracture lines. 12 The scope of our study did not include direct comparison of femoral fissures to foramina, and therefore detailed conclusions or agreement with these findings cannot be ascertained; however, similar findings would be expected to be the case.…”

Section: Discussionmentioning

confidence: 73%

“…In contrast, the anatomy of the femoral nutrient foramina has been extensively studied in the human literature, including their radiographic appearance and differentiation from fracture lines. [11][12][13] The human femur typically has 1 or 2 nutrient foramina, which course proximally after entering the femur around the facies aspera (a landmark on the caudal aspect of the femur, also known as the rough surface). 14,15 In a study by Yun et al, 13 1 foramen was seen on plain radiographs in 53% of cases, and in 47%, no foramen was seen.…”

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confidence: 99%

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The radiographic appearance of the canine femoral nutrient foramen for dogs undergoing total hip replacement is consistent, with some variations

Scott,

Paran,

Bradley

2024

ajvr

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OBJECTIVE This study aimed to document the radiographic appearance of the femoral nutrient foramina and the variation of this in dogs undergoing total hip replacement (THR). Our hypothesis was that the radiographic appearance of the foramen would be consistent with the previously described anatomy, with some variations. ANIMALS 89 client-owned dogs. METHODS Preoperative radiographs were retrospectively analyzed for dogs undergoing THR at a single referral center. The signalment of all dogs was recorded. Radiographs were retrospectively examined to describe the number, direction, appearance, and foraminal index of the femoral nutrient foramen. RESULTS Radiographs of 89 dogs and 102 femurs were examined. In 73 cases, a single foramen was seen; in 19 cases, no foramen was visible; and in 10 cases, 2 foramina were visible. The median foraminal index was 33.1% (range, 26% to 55.3%). On the mediolateral view, 72 were of proximocaudal-to-distocranial orientation, 19 were proximocranial to distocaudal, and 1 was atypical. On the craniocaudal or ventrodorsal views, the foramen was seen as a focal round radiolucency in 65 cases, was curved or atypical in 13 cases, and was not visible in 14. CLINICAL RELEVANCE Radiolucent lines across the cortices that do not fit these criteria should raise suspicion of a femoral fissure, particularly within the context of THR.

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Section: Discussionmentioning

confidence: 73%