Changes in the femoral osteotomy level coefficient and neck shaft angle during limb lengthening with an intramedullary magnetic nail

Gigi, Roy; Hemo, Yoram; Danino, Baruch; Ovadia, Dror; Segev, Eitan

doi:10.1007/s00402-020-03740-9

Cited by 2 publications

(2 citation statements)

References 20 publications

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“…Bone parameters of the pelvis included the distance between the anterior superior iliac spines (dASIS) (Okano et al, 2014), the distance between the posterior superior iliac spines (dPSIS) (Banno et al, 2017), intercrestal diameter (IC) (Fan et al, 2022), anteroposterior diameter of the pelvic inlet (API) (Huang et al, 2021), anteroposterior diameter of the midplane (APM) (Huang et al, 2021), IS (Huang et al, 2021), subpubic angle (SPA) (Rizzo et al, 2021), sagittal outlet (SO) (Hampel et al, 2018), and intertuberous distance (IT) (Huang et al, 2021). Bone parameters of the hip included ischial angel (IA) (Ten et al, 2022), neck shaft angle (NSA) (Gigi et al, 2021; Hu et al, 2018), femur neck angle (FNA) (Gomez‐Hoyos et al, 2016; Ten et al, 2022), lesser trochanteric angle (LTA) (Gomez‐Hoyos et al, 2016), femoral neck axis length (FNAL) (Hu et al, 2018), and IFS. All DICOM MRI images were imported into Mimics 14.11 (Materialise, Leuven, Belgium) for the reconstruction of 3D anatomic skeletal models.…”

Section: Methodsmentioning

confidence: 99%

Sex‐specific bone and muscular morphological features in ischiofemoral impingement: A three‐dimensional study

Liang

Chen

et al. 2023

Clinical Anatomy

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The study aimed to investigate how hip bone and muscular morphology features differ between ischiofemoral impingement (IFI) patients and healthy subjects among males and females. Three‐dimensional models were reconstructed based on magnetic resonance imaging images from IFI patients and healthy subjects of different sexes. Bone morphological parameters and the cross‐sectional area of the hip abductors were measured. The diameter and angle of the pelvis were compared between patients and healthy subjects. Bone parameters of the hip and cross‐sectional area of the hip abductors were compared between affected and healthy hips. The comparison results of some parameters were significant for females but not males. For females, the comparison results of pelvis parameters showed that the anteroposterior diameter of the pelvic inlet (p = 0.001) and intertuberous distance (p < 0.001) were both larger in IFI patients than in healthy subjects. Additionally, the comparison results of hip parameters showed that the neck shaft angle (p < 0.001) and the cross‐sectional area of the gluteus medius (p < 0.001) and gluteus minimus (p = 0.005) were smaller, while the cross‐sectional area of the tensor fasciae latae (p < 0.001) was significantly larger in affected hips. Morphological changes in IFI patients demonstrated sexual dimorphism, including bone and muscular morphology. Differences in the anteroposterior diameter of the pelvic inlet, intertuberous distance, neck shaft angle, gluteus medius, and gluteus minimus may explain why females are more susceptible to IFI.

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Section: Methodsmentioning

confidence: 99%

Sex‐specific bone and muscular morphological features in ischiofemoral impingement: A three‐dimensional study

Liang

Chen

et al. 2023

Clinical Anatomy

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“…Chowdhury et al compared the results of distal and proximal tibial osteotomies for lengthening of the tibia in children and found no significant differences in the external fixation index 37 . In another study, the osteotomy level coefficient, defined as the distance between the tip of the greater trochanter and the osteotomy level divided by the length of the femur, was used to evaluate the effect of the osteotomy level on the femoral neck-shaft angle following antegrade intramedullary lengthening 38 . The authors determined that, although the level of osteotomy did not influence the postoperative femoral neck-shaft angle, a trochanteric entry point had a significantly increased tendency to a reduction in the neck-shaft angle compared with a piriformis entry point.…”

Section: Limb Lengtheningmentioning

confidence: 99%