Morphometry of the proximal tibia to design the tibial component of total knee arthroplasty for the Korean population

Kwak, Dai-Soon; Surendran, Sibin; Pengatteeri, Yassir Hussain; Park, Sang Eun; Choi, Kwang Nam; Gopinathan, Patinharayil; Han, Seung Ho; Han, Chang Whan

doi:10.1016/j.knee.2007.05.004

Cited by 129 publications

(138 citation statements)

References 8 publications

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“…First, we could not determine the influence of sex because sufficient numbers of male patients could not be gathered. Although patients with varus knee OA undergoing TKA are predominantly women, previous reports [3,13,22] have demonstrated several sex differences. Additional studies with large numbers are required to confirm the influence of sex.…”

Section: Discussionmentioning

confidence: 98%

Tibia Vara Affects the Aspect Ratio of Tibial Resected Surface in Female Japanese Patients Undergoing TKA

Mori¹,

Akagi²,

Asada³

et al. 2013

Clinical Orthopaedics &Amp; Related Research

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Background Tibia vara seen in Japanese patients reportedly influences the tibial component alignment when performing TKA. However, it is unclear whether tibia vara affects the component position and size selection. Questions/purposes We therefore determined (1) the amount of medial tibial bow, (2) whether the tibia vara influences the aspect ratio of the tibial resected surface in aligning the tibial component with the tibial shaft axis, and (3) whether currently available tibial components fit the shapes of resected proximal tibias in terms of aspect ratio. Methods We measured the tibia vara angle (TVA), proximal varus angle (PVA), and the mediolateral and middle AP dimensions of the resected surface using threedimensional preoperative planning software in 90 knees of 74 female patients with varus osteoarthritis. We determined the correlations of the aspect ratio with TVA or PVA and compared the aspect ratios to those of five prosthesis designs. Results The mean TVA and PVA were 0.6°and 2.0°, respectively. The aspect ratio negatively correlated with both TVA and PVA (r = À0.53 and À0.55, respectively). The mean aspect ratio of the resected surface was 1.48 but gradually decreased with increasing AP dimension, whereas four of the five prostheses had a constant aspect ratio. Conclusions The aspect ratio of resected tibial surface was inversely correlated to the degree of tibia vara, and currently available prosthesis designs do not fit well to the resected surface in terms of aspect ratio. Clinical Relevance The design of a tibial component with a smaller aspect ratio could be developed to obtain better bone coverage in Japanese patients.

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Section: Discussionmentioning

confidence: 98%

Tibia Vara Affects the Aspect Ratio of Tibial Resected Surface in Female Japanese Patients Undergoing TKA

Mori¹,

Akagi²,

Asada³

et al. 2013

Clinical Orthopaedics &Amp; Related Research

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“…Previous studies have analyzed the anthropometric measurements of the proximal tibia 1,5,7,8 . In our study, the tibia did not show a difference in AR between men and women when using the medial plateau and a slight difference when using the lateral plateau with women increasing width faster than men.…”

Section: Discussionmentioning

confidence: 99%

Clinical Assessment of Proximal Tibial Morphology at Total Knee Arthroplasty

Long¹,

Dasa²,

Wentorf³

et al. 2012

Reconstructive Review

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“…Several authors have demonstrated distal femoral morphological differences, with the female knee tending to be slightly narrower than the male knee for any given anteroposterior dimension [7,10]. However, there is substantial variability in these patterns [7,10], and there are more differences between races than between genders [11,14,[17][18][19][20].…”

Section: Introductionmentioning

confidence: 99%

The John Insall Award: Gender-specific Total Knee Replacement: Prospectively Collected Clinical Outcomes

MacDonald

Charron

Bourne

et al. 2008

Clinical Orthopaedics &Amp; Related Research

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Morphometry of the proximal tibia to design the tibial component of total knee arthroplasty for the Korean population

Cited by 129 publications

References 8 publications

Tibia Vara Affects the Aspect Ratio of Tibial Resected Surface in Female Japanese Patients Undergoing TKA

Tibia Vara Affects the Aspect Ratio of Tibial Resected Surface in Female Japanese Patients Undergoing TKA

Clinical Assessment of Proximal Tibial Morphology at Total Knee Arthroplasty

The John Insall Award: Gender-specific Total Knee Replacement: Prospectively Collected Clinical Outcomes

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