";s:4:"text";s:24906:" In severe cases, however, surgery may be needed to correct the rotation. Although femoral retroversion has been linked to the onset of slipped capital femoral epiphysis (SCFE), and may result from a rotation of the femoral epiphysis around the epiphyseal tubercle leading to femoral retroversion, femoral version has rarely been described in patients with SCFE. We detected mean differences ranging from -19 to 4 (all p < 0.005) for 8 of 10 pairwise comparisons in hips with SCFE. Femoral retroversion is a rotational or torsional deformity in which the femur twists backward (outward) relative to the knee. This underlines the complex, multifactorial pathogenesis of SCFE, which further includes endocrine disorders [26] and altered epiphyseal orientation [24] and morphology [17, 23] and warrants further investigation. Hip dysplasia. 2021 May 1;479(5):960-961. doi: 10.1097/CORR.0000000000001704. All five methods were compared side-by-side (involved versus uninvolved hip), and comparisons among all five methods were performed using paired t-tests. 2016;36:239-246. It also appears to be related to the position of the baby as it grows in the womb. The prevalence of femoral retroversion (< 0) was compared using a chi-square test. 12. 1996;5:74-76. 479(5):960-961, May 2021. Japanese. Femoral retroversion is a condition in which the femoral neck is rotated backward in relation to the femoral shaft. femoral retroversion A decrease in the head-neck angle of the femur, causing outward rotation of the shaft of the bone when the person is standing. 2018;38(suppl 1):S5-S12. This procedure may be done for children over age 10 and adults and has a quick and reliable recovery. As mentioned, measurement of femoral version in children with SCFE should include the femoral heads center as a proximal reference axis; that is, it should not be solely based on the orientation of the femoral neck. 2020;14:190-200. [18] reported normal femoral neck version of 8.8 9.7 in 328 hips without radiographic signs of osteoarthritis. To facilitate communication among physicians and for the design of future studies, we recommend consistently reporting the applied measurement technique. 2017;21:487-506. 1993;75:1141-1147. Am J Sports Med. Sucato DJ. In addition, we observed increasing femoral version angles with selection of more-distal landmarks in SCFE hips regardless of whether or not previous in situ pinning had been performed (Table 5). Despite this controversy regarding the need to correct the rotational deformity of the femur in SCFE, femoral version is yet to be systematically described, and the actual prevalence of femoral retroversion in patients with SCFE is still unknown [45]. 2011;31:153-158. Interobserver reliability and intraobserver reproducibility were high (ICC values > 0.80) for all five measurement methods (Table 6). [30]), and the corresponding prevalence of femoral retroversion were compared between hips with SCFE and the unaffected contralateral side. [35]; range, -53 to 15) to 100 (Murphy et al. Femoral retroversion can occur in one or both legs. [35] uses the center of the femoral neck as a reference at the level where both cortices run parallel. During the period in question, the general indication for obtaining a CT scan was to define the surgical strategy based on the assessment of deformity severity in patients with newly diagnosed SCFE or with previous in situ fixation. Femoral antetorsion was significantly higher in patients with pincer-type FAI than in those with cam-type FAI for reader 1 (18.3 9.8 vs 10.0 9.1, P = .02) and reader 2 (18.7 10.5 vs 11.6 8.8, P = .04). The opposite condition, in which the femur has an abnormal forward (inward) rotation, is called femoral anteversion. He may also order an. Bethesda, MD 20894, Web Policies The mean femoral neck version was lower in hips with SCFE than in the contralateral side (-2 13 versus 7 11; p < 0.001). J Pediatr Orthop. Bone Jt Open. At times, pure femoral retroversion may be the only source of hip impingement. The human hip is a modified spherical (ball-and-socket) joint. Furthermore, the prevalence of actual femoral retroversion and the effect of different measurement methods on femoral version angles has yet to be studied in SCFE. Retroversion refers to an abnormal backward rotation of the hip relative to the knee. Symptoms of femoral retroversion usually begin with the visual recognition of the rotated femur. Torsional deformity can also occur after a fracture where the bone heals with deformity or malunion. Clin Orthop Relat Res. Bone Joint Res. Abstract Slipped capital femoral epiphysiolysis (SCFE) may result in femoroacetabular. Femoral anteversion occurs in up to 10 percent of children; 99 percent of cases resolve over time without the need for surgery. Twenty-nine percent (23 of 79) of patients had no previous surgical treatment for SCFE. The orientation of the distal femoral condyles served as the distal reference axis for all five measurement methods. The method of Reikers et al. Unlike in- toeing, out-toeing may lead to pain and disability as the child grows into adulthood. Lee YS, Oh SH, Seon JK, Song EK, Yoon TR. Tnnis D, Heinecke A. Acetabular and femoral anteversion: relationship with osteoarthritis of the hip. We retrospectively examined 35 patients with unilateral PHF, who were treated with double plating for PHF between 2013 and 2019. Example Sentences: (1) The measurement mean for anteversion among these specimens was 7.4 degrees with a range from -10.8 degrees (retroversion) to 22.1 degrees. 2021 May 1;479(5):935-944. doi: 10.1097/CORR.0000000000001590. We reviewed our institutional database for patients who were treated for SCFE and had undergone pelvic CT scanning for surgical planning. In other words the knee is excessively twisted inward relative to the hip. 1) [15]. Fourth, although we compared our observations in SCFE hips with the unaffected contralateral side, we note that these hips may not reflect a normal population. Exclusion criteria were bilateral SCFE in 31% (38 patients), any contralateral hip condition in 1% (one patient), and previous femoral osteotomies in 4% (five patients). A subset of patients was measured twice by the first observer and by a second orthopaedic resident (2 years of experience) to assess intraobserver reproducibility and interobserver reliability; for this assessment, we used intraclass correlation coefficients. J Pediatr Orthop B. In hips with SCFE, there was a mean difference of -13 9 (95% CI -15 to -12; p < 0.001) between femoral neck version and Reikers et al.s [35] method, which reflects femoral neck orientation relative to the femoral heads center (Table 4). (1) Do femoral version and the prevalence of femoral retroversion differ between hips with SCFE and the asymptomatic contralateral side? Case reports: acetabular damage after mild slipped capital femoral epiphysis. Akiyama M, Nakashima Y, Kitano T, et al. and Reikers et al.) Also called hip anteversion, femoral anteversion is a forward (inward) rotation in the femur (thighbone), which connects to the pelvis to form the hip joint. Many children are born with femoral anteversions that they eventually grow out of. Recognizing this impairment and its impact on a patient's function is . J Orthop Trauma. By contrast, Stanitski et al. Novais EN, Hosseinzadeh S, Emami SA, Maranho DA, Kim YJ, Kiapour AM. 44. Finite-element studies have demonstrated that shear forces across the capital femoral physis increase with reduced femoral anteversion and increased BMI [13, 33]. The Lisbon agreement on femoroacetabular impingement imaging-part 1: overview. The mean age was 15 4 years, 48% (38 of 79) of the patients were male, and 56% (44 of 79) were obese (defined as a BMI > 95th percentile (mean BMI 34 9 kg/m2). Seventy-one percent (56 of 79) of patients in whom previous in situ pinning had been performed as the initial treatment of SCFE presented with a symptomatic SCFE deformity. 2019;477:1073-1083. 1956;88:3-41. 30. 2019:47:3120-3132. Based on these findings, we believe it is worthwhile to add evaluation of femoral version to the diagnostic workup of children with SCFE. Initial diagnosis of unilateral SCFE was based on an absence of radiographic signs of SCFE and of pain at clinical examination. Your message has been successfully sent to your colleague. In many cases, the abnormal rotation of the femur develops while the fetus is growing in the womb. Relative contribution of epiphyseal tubercle and peripheral cupping to capital femoral epiphysis stability during daily activities. Basheer SZ, Cooper AP, Maheshwari R, Balakumar B, Madan S. Arthroscopic treatment of femoroacetabular impingement following slipped capital femoral epiphysis. Femoral malversion (excessive femoral anteversion or femoral retroversion) is increasingly recognised as an important factor that may influence mechanical loads around the hip and development of both intra-articular and extra-articular pathologies. During this time period, 754 patients were diagnosed with SCFE. method), we used the most cephalic junction of the greater trochanter as the landmark and, most distally, we used the center base of the femoral neck superior to the lesser trochanter (Murphy et al.). Results: The femoral vein is the major deep vein of the lower extremity. This yielded a mean difference of -19 7 (95% CI -21 to -18; p < 0.001) between the methods of Lee et al. Radiology. Despite this proposed association, little is known about femoral neck version in patients with SCFE. These side-by-side differences increased up to -22 (according to the method of Murphy et al. However, in some cases, this may be difficult to identify, especially if femoral retroversion is combined with a separate rotation deformity such as tibial torsion. 1). This procedure may be done for children over age 10 and adults and has a quick and reliable recovery. Mechanical factors in slipped capital femoral epiphysis. Some abnormalities may resolve spontaneously. Based on these findings, we believe it is worthwhile to add evaluation of femoral version to the diagnostic workup of children with SCFE. The mean age was 59.5 12 years and the . The association of femoral retroversion with slipped capital femoral epiphysis. Femoral anteversion causes the child's knees and feet to turn inward, or have what is also known as a "pigeon-toed" appearance. 38. Bone Joint J. The prevalence of femoral retroversion was high in our study and ranged from 47% to 91%, depending on the applied measurement method (Table 3). 2. Femoral version by measurement method and by side (affected versus contralateral) was summarized using the mean, SD, and 95% confidence interval. Double plating for proximal humeral fractures (PHF) is an option to increase the primary fixation stability. You may be trying to access this site from a secured browser on the server. Wolters Kluwer Health
The prevalence of femoral retroversion (< 0) was compared using a chi-square test. 39. [19] and Reikers et al. Reduced femoral neck version is more common in adolescents with obesity than in those without obesity [14]. 1973;55:1218-1224. Bob & Brad 3.9M views 5 years ago. Excessive femoral anteversion can cause instability, damage of the articular cartilage and acetabular labrum, and eventually osteoarthritis. Increased BMI leads to an increase in simulated loads across the physis [33] and may be further aggravated by retroversion of the femoral neck, which has been associated with obesity [14]. 212-606-1415| 212-606-1550| 212-606-1637 | 212-606-1097. Int Orthop. Clinical Orthopaedics and Related Research479(5):947-959, May 2021. J Bone Joint Surg Am. Three-dimensional CT was performed with all patients supine in the neutral position. This is the story of her diagnosis, operations and recovery to date: Hi I'm Elise and I live in Northern Ireland. The most significant clinical implication of femoral retroversion is that it is not soft tissue-related. She was treated with an open reduction and bracing in infancy. Obesity and decreased femoral anteversion in adolescence. The data table on the chart reports the mean SD. Retrotorsion is a pathologic decrease in the torsion angle; ie it is less than 8 degrees. Reikers O, Bjerkreim I, Kolbenstvedt A. Anteversion of the acetabulum and femoral neck in normals and in patients with osteoarthritis of the hip. The physician may also order an X-ray or CT scan to look for possible deformities. 18. This causes rotation of the legs inwards leading to twisting of the knee and foot towards the midline of the body (center of the body). The method of Murphy et al. This condition can affect patients of all ages and leads to abnormal stress in the low back, hip and knee, as well as an abnormal gait (walking stance). 2009;467:724-731. The doctor will also observe the patients gait (manner of walking) to look for signs of out-toeing or gait compensation. While both femoral anteversion and retroversion do not always cause discomfort, they can eventually bring about pain in the lower back, hip, and knee. 6 It is the angular [44] and Murphy et al. Liu RW, Armstrong DG, Levine AD, Gilmore A, Thompson GH, Cooperman DR. An anatomic study of the epiphyseal tubercle and its importance in the pathogenesis of slipped capital femoral epiphysis. SCFE and its complications may lead to lifelong disability encompassing pain, gait disturbances, degenerative changes, osteonecrosis and chondrolysis. [30] (47% [95% CI 36% to 58%] and 60% [95% CI 49% to 71%], respectively [all p < 0.001]) (Table 3). PMC Among these, the greatest differences were between the most-proximal methods and the more-distal methods, with a mean difference of -19 7 (95% CI -21 to -18; p < 0.001), comparing the methods of Lee et al. This may also make the legs look bowed. The greatest differences were between measurement methods that are based on the most-proximal landmarks and those based on the more-distal landmarks. However, in excessive cases, surgery may be needed to correct the rotation. We also compared isolated femoral neck version with aligning the orientation of the femoral neck with the femoral head center to define the proximal reference, as described by Reikers et al. Wylie JD, McClincy MP, Uppal N, et al. In the axial HASTE images over the proximal and distal femur a femoral retroversion can be seen, i.e. Femoral anteversion is a medical condition in which the neck of femur bone leans forward as compared to the rest of the femur. Federal government websites often end in .gov or .mil. Femoral retroversion is often a congenital condition, meaning it is present from birth and develops in the womb. 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