Development and validation of a new method for the radiologic measurement of the tibial slope

Utzschneider, Sandra; Goettinger, Michael; Weber, Patrick; Horng, Annie; Gläser, Christian; Jansson, Volkmar; Müller, Peter E.

doi:10.1007/s00167-011-1414-3

Cited by 150 publications

(187 citation statements)

References 22 publications

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“…Compared with MRI and CT, X-rays have been widely used because of easy access, sufficient tibia length, precise landmarks, and significant results. 1,17,21 The large number of X-ray analyses provided a large sample size, which greatly enriched this study. Moreover, the FTA is easy to evaluate in long X-ray images of lower extremities.…”

Section: Discussionmentioning

confidence: 99%

“…In published studies, 1,17,18,[21][22][23] PTS data have been based on X-ray, magnetic resonance imaging (MRI), and computed tomography (CT). Compared with MRI and CT, X-rays have been widely used because of easy access, sufficient tibia length, precise landmarks, and significant results.…”

Section: Sun Age-related Posterior Tibial Slope Roles In Acl Injury 74mentioning

confidence: 99%

“…Senis ik et al 7 reported that a higher PTS was determined in dominant legs compared with the nondominant side for ACL-injured soccer players, and the different PTS measures in dominant and nondominant legs might be the result of different loading and/or adaptation patterns. In the present study, the PTS differences between left side and right side may be related to skeletal physiologic degeneration with patient aging and dominant leg loading.In published studies, 1,17,18,[21][22][23] PTS data have been based on X-ray, magnetic resonance imaging (MRI), and computed tomography (CT). Compared with MRI and CT, X-rays have been widely used because of easy access, sufficient tibia length, precise landmarks, and significant results.…”

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confidence: 99%

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Age-Related Changes of Posterior Tibial Slope and Its Roles in Anterior Cruciate Ligament Injury

Sun

Chen

Jiao

et al. 2016

International Surgery

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Nearly all previous studies in posterior tibial slope (PTS) and anterior cruciate ligament (ACL) injuries ignored age-related changes, and the published data are inconsistent. The objective of this study was to reveal age-related changes of PTS and its roles in ACL injury. Data for 2618 lower limbs were included initially based on the availability of lateral X-rays and a suitable femorotibial angle. The final 1431 subjects were analyzed according to age, sex, side, and injury status. Student t-tests, 1-way analysis of variance, and curve fitting were used to analyze data. The PTS in males was greater than that in females in the 0-9 and 30-39-year-old groups, but this pattern was reversed in the 40-49, 60-69, 70-79, and 80-89-year-old groups. The PTS was greater on the left side than on the right side in the 0-9, 10-19, 50-59, 60-69, and 80-89-year-old groups. The curve fitting for PTS demonstrated a trend of first decreasing and then increasing with aging. The PTS values differed significantly between knees with an ACL injury and those without in the 20-29, 30-39, and 40-49-year-old groups but not in the 50-59-year-old group. The PTS follows a trend of first decreasing and then increasing, and its role in ACL injury changes with advancing age. The higher PTS is only unrelated to the risk of ACL injury in age groups with a lower mean PTS value.Key words: Age-related -Posterior tibial slope -Anterior cruciate ligament -Injury -X-ray T he posterior inclination of the tibial plateau relative to the longitudinal axis of the bone, known as the posterior tibial slope (PTS), is important to know for the pathology of anterior cruciate ligament (ACL) injury.1 On the basis of large X-rays of the lower limbs of adults, Genin et al 1 reported that the PTS ranges from 08 to 188. Jiang et al 2 found that the PTS, as determined from lateral radiography of the knee, is 108 6 48 (range, 08 to 208). Chiu et al 3 studied 25 pairs of Chinese cadaveric tibias and concluded that the medial PTS is 14.88, the lateral PTS is 11.88, the PTS according to intramedullary radiographic measurement is 11.58, and the PTS based on extramedullary radiographic measurement is 14.78. Moreover, many studies have reported that an increased PTS is a risk factor for ACL injury. Brandon et al 4 found that an increased PTS is associated with noncontact ACL rupture in both males and females. Todd et al 5 and Hohmann et al 6 reported that an increased PTS is a possible risk factor for noncontact ACL injury only among women. Senis ik et al 7 found that there is a higher PTS in injured male soccer players compared with uninjured male players. Webb et al 8 suggested that an increased PTS is associated with a greater chance for further ACL injury after ACL reconstruction. Recently, Li et al 9 reported that a PTS of 58 or greater is a new risk factor for ACL reconstruction failure. However, some other studies refuted the conclusions above. Meister et al 10 found that the PTS is not an identifiable risk factor for noncontact ACL injury on the basis of 100 knee jo...

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Section: Discussionmentioning

confidence: 99%

Section: Sun Age-related Posterior Tibial Slope Roles In Acl Injury 74mentioning

confidence: 99%

mentioning

confidence: 99%

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Age-Related Changes of Posterior Tibial Slope and Its Roles in Anterior Cruciate Ligament Injury

Sun

Chen

Jiao

et al. 2016

International Surgery

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“…Tibia vara angle was the angle between the tibial plateau tangent and the tibial MA (a line from the center of the tibial plateau extending distally to the center of the tibial plafond). On lateral radiographs, the tibial slope angle was measured as the angle between the posterior tibial anatomic axis (a line from the center of the cortex between 5 cm distal to the tibial tubercle and 10 cm distal to the proximal joint facet) and the line tangential to the proximal joint facet of tibia [24] (Fig. 1).…”

Section: Evaluation Methodsmentioning

confidence: 99%

Comparison between conservative treatment and arthroscopic pull-out repair of the medial meniscus root tear and analysis of prognostic factors for the determination of repair indication

Ahn

Jeong

Lee

et al. 2015

Arch Orthop Trauma Surg

130

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The MMRT pull-out repair group had better clinical results than that the conservative treatment group. However, severe varus alignment and severe degeneration of cartilage status were a poor prognostic factor, and there was no significant difference between the severe varus alignment or severe cartilage change and the conservative treatment group in the clinical results. The other optional treatment could be recommended for patients who have MMRT with a severe varus knee alignment or severe cartilage.

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“…The posterior slope of each proximal tibia was measured on the lateral radiographs using the method described by Utzschneider et al [15]. The magnitude of the varus deformity was measured on long-leg radiographs by constructing a line extending from the center of the femoral head to the center of the intercondylar notch.…”

Section: Methodsmentioning

confidence: 99%

Wear Patterns in Knee Articular Surfaces in Varus Deformity

Rajgopal

Noble

Vasdev

et al. 2015

The Journal of Arthroplasty

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Development and validation of a new method for the radiologic measurement of the tibial slope

Abstract: Diagnostic study, Level II.

Cited by 150 publications

References 22 publications

Age-Related Changes of Posterior Tibial Slope and Its Roles in Anterior Cruciate Ligament Injury

Age-Related Changes of Posterior Tibial Slope and Its Roles in Anterior Cruciate Ligament Injury

Comparison between conservative treatment and arthroscopic pull-out repair of the medial meniscus root tear and analysis of prognostic factors for the determination of repair indication

Wear Patterns in Knee Articular Surfaces in Varus Deformity

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