Torsional Osteotomy

Schröter, Steffen; Nakayama, Hiroshi; Ihle, Christoph; Ateschrang, Atesch; Maiotti, Marco; Harrer, Jörg; Dickschas, Jörg

doi:10.1055/s-0039-1678677

Cited by 24 publications

(29 citation statements)

References 25 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The study was carried out by CT which is considered the most accurate method to measure the lower limb alignment [13]. The anatomical landmarks used have been chosen by consensus of orthopedics and radiologists [19]. In contrast to other studies (Table 4), we selected only aged subjects without OA in order to consider a cohort that presumably will never develop idiopathic OA.…”

Section: Discussionmentioning

confidence: 99%

Axial and rotational alignment of lower limb in a Caucasian aged non-arthritic cohort

Farinelli

Baldini

Bucci

et al. 2020

Eur J Orthop Surg Traumatol

View full text Add to dashboard Cite

Background The alignment of human lower limb has been an area of ongoing study for decades. The purpose of this study was to analyze the axial and rotational alignment from hip to ankle in a Caucasian aged non-arthritic cohort. Methods A non-arthritic cohort of aged patients was retrospectively analyzed by computer tomography. Anatomical-mechanical angle of femur (AMA), femur inclination (FI), femoral anteversion (FA), posterior condylar angle (PCA), proximal tibial torsion (TEAs-PTC and TEAs-PTT) and tibial fibular torsion (PTC-TFA) were measured. Results The median age of the patients was 76 years (range 67 to 91 years). Regarding axial alignment, the AMA was 5 (2.94; 6.80). No significance differences were reported by side and age. AMA was significantly lower in men. The FI was 125.3 (120.0; 134.8) with no differences in terms of side, age or gender. Regarding torsion alignment, the median values of FA, PTC-TFA and TEAs-PTT were, respectively, 16.8, 28.5 and − 1.4. No differences were reported by age. Right tibia was externally rotated by 1.5 degrees as compared to the left side (P 0.035). Conclusion The broad variability of the parameters analyzed highlights the necessity for a more anatomical and individualized approach during surgery of lower limb. The present study offers the fundament to understand and treat lower limb deformities. Hence, these data can constitute the normal reference values useful to investigate lower limb malalignment. Moreover, it helps to assess the possible changes of axial and rotational alignment in idiopathic OA of lower limb. Level of evidence III Retrospective cohort study

show abstract

Section: Discussionmentioning

confidence: 99%

Axial and rotational alignment of lower limb in a Caucasian aged non-arthritic cohort

Farinelli

Baldini

Bucci

et al. 2020

Eur J Orthop Surg Traumatol

View full text Add to dashboard Cite

show abstract

“…13 The anatomical landmarks used to measure torsion should be chosen by consensus of the orthopaedic surgeon and the radiologist. 5…”

Section: Discussionmentioning

confidence: 99%

A Novel Approach to Lower-limb Axial Alignment Analysis: A CT Study

et al. 2019

View full text Add to dashboard Cite

Purpose:To analyze the torsion of the lower extremities in a healthy cohort and to determine the contribution of different segments of the femur and tibia to the torsion of both bones.Methods:In this cross-sectional study, 32 patients with nonjoint or bone-related symptoms were analyzed by CT angiography. Lower-limb torsion, femoral torsion, proximal femoral torsion, femoral shaft torsion, distal femoral torsion, tibial torsion, proximal tibial torsion, and distal tibial torsion were measured.Results:The median total limb torsion was 25° external torsion, with the median femoral torsion being −9° and the median tibial torsion 30°. Both femoral metaphyses had internal torsion, with the internal torsion of the proximal metaphysis being approximately three times greater than that of the distal femoral metaphysis. The shaft was found to compensate with an external torsion of approximately two-thirds of the internal torsion of both femoral metaphyses. The proximal metaphysis of the tibia accounted for approximately one-third of the external torsion, with the segment from the distal to the tibial tubercle accounting for the remaining two-thirds of the tibial torsion.Conclusions:The diaphysis and distal metaphysis are the major contributors to external torsion of the tibia, whereas the proximal metaphysis is the major contributor to the internal torsion of the femur.

show abstract

“…The median DFT, PTT, TT-TG distance, and AT was À8 (À6 to À8) degrees, 9 (5 to 12) degrees, 14 (11)(12)(13)(14)(15)(16)(17) mm, and 14 (9-21) degrees, respectively (►Table 1). The linear regression shows a significant correlation between TT-TG and AT (p ¼ 0.01), with an R 2 of 0.10 (►Table 2).…”

Section: Resultsmentioning

confidence: 99%

The Distance between Tibial Tubercle and Trochlear Groove Correlates with Knee Articular Torsion

et al. 2020

View full text Add to dashboard Cite

This study aims to correlate the tibial tubercle to trochlear groove (TT-TG) distance with knee axial alignment. The hypothesis is that as internal torsion of the distal femur or external torsion of the proximal tibial increases, the TT-TG distance increases. We designed a cross-sectional study approved by our institutional ethics review board. We reviewed 32 computed tomography angiographies of patients that have nonjoint or bone-related symptoms. Distal femoral torsion, proximal tibial torsion, knee articular torsion (AT), and TT-TG distance were measured. A regression analysis between the TT-TG distance and the AT was performed. A positive correlation between the TT-TG distance and the AT was found. An increase in external torsion of the proximal tibial or an increase in internal torsion of the distal femur increases the TT-TG distance. For a correct interpretation of the TT to trochlear groove distance, we propose that the axial alignment should be included in the regular analysis of patellofemoral disease.

show abstract

Torsional Osteotomy

Cited by 24 publications

References 25 publications

Axial and rotational alignment of lower limb in a Caucasian aged non-arthritic cohort

Axial and rotational alignment of lower limb in a Caucasian aged non-arthritic cohort

A Novel Approach to Lower-limb Axial Alignment Analysis: A CT Study

The Distance between Tibial Tubercle and Trochlear Groove Correlates with Knee Articular Torsion

Contact Info

Product

Resources

About